-- Functions: public
-- Gerado automaticamente em 2026-04-17T12:23:05.222Z
-- Total: 126

CREATE FUNCTION public.__rls_ping() RETURNS text
    LANGUAGE sql STABLE
    AS $$
  select 'ok'::text;
$$;

CREATE FUNCTION public.activate_subscription_from_intent(p_intent_id uuid) RETURNS public.subscriptions
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_intent record;
  v_sub public.subscriptions;
  v_days int;
  v_user_id uuid;
  v_plan_id uuid;
  v_target text;
begin
  -- l?? pela VIEW unificada
  select * into v_intent
  from public.subscription_intents
  where id = p_intent_id;

  if not found then
    raise exception 'Intent n??o encontrado: %', p_intent_id;
  end if;

  if v_intent.status <> 'paid' then
    raise exception 'Intent precisa estar paid para ativar assinatura';
  end if;

  -- resolve target e plan_id via plans.key
  select p.id, p.target
    into v_plan_id, v_target
  from public.plans p
  where p.key = v_intent.plan_key
  limit 1;

  if v_plan_id is null then
    raise exception 'Plano n??o encontrado em plans.key = %', v_intent.plan_key;
  end if;

  v_target := lower(coalesce(v_target, ''));

  -- ??? supervisor adicionado
  if v_target not in ('clinic', 'therapist', 'supervisor') then
    raise exception 'Target inv??lido em plans.target: %', v_target;
  end if;

  -- regra por target
  if v_target = 'clinic' then
    if v_intent.tenant_id is null then
      raise exception 'Intent sem tenant_id';
    end if;
  else
    -- therapist ou supervisor: vinculado ao user
    v_user_id := v_intent.user_id;
    if v_user_id is null then
      v_user_id := v_intent.created_by_user_id;
    end if;
  end if;

  if v_target in ('therapist', 'supervisor') and v_user_id is null then
    raise exception 'N??o foi poss??vel determinar user_id para assinatura %.', v_target;
  end if;

  -- cancela assinatura ativa anterior
  if v_target = 'clinic' then
    update public.subscriptions
    set status = 'cancelled',
        cancelled_at = now()
    where tenant_id = v_intent.tenant_id
      and plan_id = v_plan_id
      and status = 'active';
  else
    -- therapist ou supervisor
    update public.subscriptions
    set status = 'cancelled',
        cancelled_at = now()
    where user_id = v_user_id
      and plan_id = v_plan_id
      and status = 'active'
      and tenant_id is null;
  end if;

  -- dura????o do plano (30 dias para mensal)
  v_days := case
    when lower(coalesce(v_intent.interval, 'month')) = 'year' then 365
    else 30
  end;

  -- cria nova assinatura
  insert into public.subscriptions (
    user_id,
    plan_id,
    status,
    started_at,
    expires_at,
    cancelled_at,
    activated_at,
    tenant_id,
    plan_key,
    interval,
    source,
    created_at,
    updated_at
  )
  values (
    case when v_target = 'clinic' then null else v_user_id end,
    v_plan_id,
    'active',
    now(),
    now() + make_interval(days => v_days),
    null,
    now(),
    case when v_target = 'clinic' then v_intent.tenant_id else null end,
    v_intent.plan_key,
    v_intent.interval,
    'manual',
    now(),
    now()
  )
  returning * into v_sub;

  -- grava v??nculo intent ??? subscription
  if v_target = 'clinic' then
    update public.subscription_intents_tenant
    set subscription_id = v_sub.id
    where id = p_intent_id;
  else
    update public.subscription_intents_personal
    set subscription_id = v_sub.id
    where id = p_intent_id;
  end if;

  return v_sub;
end;
$$;

CREATE FUNCTION public.admin_credit_addon(p_tenant_id uuid, p_addon_type text, p_amount integer, p_product_id uuid DEFAULT NULL::uuid, p_description text DEFAULT 'Cr??dito manual'::text, p_payment_method text DEFAULT 'manual'::text, p_price_cents integer DEFAULT 0) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_credit   addon_credits%ROWTYPE;
  v_balance_before INTEGER;
  v_balance_after  INTEGER;
  v_tx_id    UUID;
BEGIN
  -- Upsert addon_credits
  INSERT INTO addon_credits (tenant_id, addon_type, balance, total_purchased)
  VALUES (p_tenant_id, p_addon_type, 0, 0)
  ON CONFLICT (tenant_id, addon_type) DO NOTHING;

  -- Lock e leitura
  SELECT * INTO v_credit
  FROM addon_credits
  WHERE tenant_id = p_tenant_id AND addon_type = p_addon_type
  FOR UPDATE;

  v_balance_before := v_credit.balance;
  v_balance_after  := v_credit.balance + p_amount;

  -- Atualiza saldo
  UPDATE addon_credits
  SET balance         = v_balance_after,
      total_purchased = total_purchased + p_amount,
      low_balance_notified = CASE WHEN v_balance_after > COALESCE(low_balance_threshold, 10) THEN false ELSE low_balance_notified END,
      updated_at      = now()
  WHERE id = v_credit.id;

  -- Registra transa????o
  INSERT INTO addon_transactions (
    tenant_id, addon_type, type, amount,
    balance_before, balance_after,
    product_id, description,
    admin_user_id, payment_method, price_cents
  ) VALUES (
    p_tenant_id, p_addon_type, 'purchase', p_amount,
    v_balance_before, v_balance_after,
    p_product_id, p_description,
    auth.uid(), p_payment_method, p_price_cents
  )
  RETURNING id INTO v_tx_id;

  RETURN jsonb_build_object(
    'success', true,
    'transaction_id', v_tx_id,
    'balance_before', v_balance_before,
    'balance_after', v_balance_after
  );
END;
$$;

CREATE FUNCTION public.admin_delete_email_template_global(p_id uuid) RETURNS boolean
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
BEGIN
  DELETE FROM public.email_templates_global WHERE id = p_id;
  IF NOT FOUND THEN
    RAISE EXCEPTION 'Template com id % n??o encontrado', p_id;
  END IF;
  RETURN true;
END;
$$;

CREATE FUNCTION public.admin_fix_plan_target(p_plan_key text, p_new_target text) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_plan_id uuid;
begin
  -- (opcional) restringe targets v??lidos
  if p_new_target not in ('clinic','therapist') then
    raise exception 'Target inv??lido: %', p_new_target using errcode='P0001';
  end if;

  -- trava o plano
  select id into v_plan_id
  from public.plans
  where key = p_plan_key
  for update;

  if v_plan_id is null then
    raise exception 'Plano n??o encontrado: %', p_plan_key using errcode='P0001';
  end if;

  -- seguran??a: n??o mexer se existe subscription
  if exists (select 1 from public.subscriptions s where s.plan_id = v_plan_id) then
    raise exception 'Plano % possui subscriptions. Migra????o bloqueada.', p_plan_key using errcode='P0001';
  end if;

  -- liga bypass SOMENTE nesta transa????o
  perform set_config('app.plan_migration_bypass', '1', true);

  update public.plans
  set target = p_new_target
  where id = v_plan_id;

end
$$;

CREATE FUNCTION public.admin_upsert_email_template_global(p_id uuid DEFAULT NULL::uuid, p_key text DEFAULT NULL::text, p_domain text DEFAULT NULL::text, p_channel text DEFAULT 'email'::text, p_subject text DEFAULT NULL::text, p_body_html text DEFAULT NULL::text, p_body_text text DEFAULT NULL::text, p_is_active boolean DEFAULT true, p_variables jsonb DEFAULT '{}'::jsonb) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_result jsonb;
  v_id uuid;
BEGIN
  -- UPDATE existente
  IF p_id IS NOT NULL THEN
    UPDATE public.email_templates_global
    SET
      subject   = COALESCE(p_subject, subject),
      body_html = COALESCE(p_body_html, body_html),
      body_text = p_body_text,
      is_active = p_is_active,
      variables = COALESCE(p_variables, variables),
      version   = version + 1
    WHERE id = p_id
    RETURNING to_jsonb(email_templates_global.*) INTO v_result;

    IF v_result IS NULL THEN
      RAISE EXCEPTION 'Template com id % n??o encontrado', p_id;
    END IF;

    RETURN v_result;
  END IF;

  -- INSERT novo
  IF p_key IS NULL OR p_domain IS NULL OR p_subject IS NULL OR p_body_html IS NULL THEN
    RAISE EXCEPTION 'key, domain, subject e body_html s??o obrigat??rios para novo template';
  END IF;

  INSERT INTO public.email_templates_global (key, domain, channel, subject, body_html, body_text, is_active, variables)
  VALUES (p_key, p_domain, p_channel, p_subject, p_body_html, p_body_text, p_is_active, p_variables)
  RETURNING to_jsonb(email_templates_global.*) INTO v_result;

  RETURN v_result;
END;
$$;

CREATE FUNCTION public.agenda_cfg_sync() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
begin
  if new.agenda_view_mode = 'custom' then
    new.usar_horario_admin_custom := true;
    new.admin_inicio_visualizacao := new.agenda_custom_start;
    new.admin_fim_visualizacao := new.agenda_custom_end;
  else
    new.usar_horario_admin_custom := false;
  end if;

  return new;
end;
$$;

CREATE FUNCTION public.agendador_dias_disponiveis(p_slug text, p_ano integer, p_mes integer) RETURNS TABLE(data date, tem_slots boolean)
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_owner_id     uuid;
  v_antecedencia int;
  v_agora        timestamptz;
  v_data         date;
  v_data_inicio  date;
  v_data_fim     date;
  v_db_dow       int;
  v_tem_slot     boolean;
  v_bloqueado    boolean;
BEGIN
  SELECT c.owner_id, c.antecedencia_minima_horas
  INTO v_owner_id, v_antecedencia
  FROM public.agendador_configuracoes c
  WHERE c.link_slug = p_slug AND c.ativo = true
  LIMIT 1;

  IF v_owner_id IS NULL THEN RETURN; END IF;

  v_agora       := now();
  v_data_inicio := make_date(p_ano, p_mes, 1);
  v_data_fim    := (v_data_inicio + interval '1 month' - interval '1 day')::date;

  v_data := v_data_inicio;
  WHILE v_data <= v_data_fim LOOP
    v_db_dow := extract(dow from v_data::timestamp)::int;

    -- ?????? Dia inteiro bloqueado? (agenda_bloqueios) ???????????????????????????????????????????????????????????????????????????
    SELECT EXISTS (
      SELECT 1 FROM public.agenda_bloqueios b
      WHERE b.owner_id     = v_owner_id
        AND b.data_inicio <= v_data
        AND COALESCE(b.data_fim, v_data) >= v_data
        AND b.hora_inicio IS NULL   -- bloqueio de dia inteiro
        AND (
          (NOT b.recorrente)
          OR (b.recorrente AND b.dia_semana = v_db_dow)
        )
    ) INTO v_bloqueado;

    IF v_bloqueado THEN
      v_data := v_data + 1;
      CONTINUE;
    END IF;

    -- ?????? Tem slots dispon??veis no dia? ???????????????????????????????????????????????????????????????????????????????????????????????????????????????
    SELECT EXISTS (
      SELECT 1 FROM public.agenda_online_slots s
      WHERE s.owner_id = v_owner_id
        AND s.weekday  = v_db_dow
        AND s.enabled  = true
        AND (v_data::text || ' ' || s.time::text)::timestamp
              AT TIME ZONE 'America/Sao_Paulo'
            >= v_agora + (v_antecedencia || ' hours')::interval
    ) INTO v_tem_slot;

    IF v_tem_slot THEN
      data      := v_data;
      tem_slots := true;
      RETURN NEXT;
    END IF;

    v_data := v_data + 1;
  END LOOP;
END;
$$;

CREATE FUNCTION public.agendador_gerar_slug() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
DECLARE
  v_slug text;
  v_exists boolean;
BEGIN
  -- s?? gera se ativou e n??o tem slug ainda
  IF NEW.ativo = true AND (NEW.link_slug IS NULL OR NEW.link_slug = '') THEN
    LOOP
      v_slug := lower(substring(replace(gen_random_uuid()::text, '-', ''), 1, 8));
      SELECT EXISTS (
        SELECT 1 FROM public.agendador_configuracoes
        WHERE link_slug = v_slug AND owner_id <> NEW.owner_id
      ) INTO v_exists;
      EXIT WHEN NOT v_exists;
    END LOOP;
    NEW.link_slug := v_slug;
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.agendador_slots_disponiveis(p_slug text, p_data date) RETURNS TABLE(hora time without time zone, disponivel boolean)
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_owner_id       uuid;
  v_duracao        int;
  v_antecedencia   int;
  v_agora          timestamptz;
  v_db_dow         int;
  v_slot           time;
  v_slot_fim       time;
  v_slot_ts        timestamptz;
  v_ocupado        boolean;
  -- loop de recorr??ncias
  v_rule           RECORD;
  v_rule_start_dow int;
  v_first_occ      date;
  v_day_diff       int;
  v_ex_type        text;
BEGIN
  SELECT c.owner_id, c.duracao_sessao_min, c.antecedencia_minima_horas
  INTO v_owner_id, v_duracao, v_antecedencia
  FROM public.agendador_configuracoes c
  WHERE c.link_slug = p_slug AND c.ativo = true
  LIMIT 1;

  IF v_owner_id IS NULL THEN RETURN; END IF;

  v_agora  := now();
  v_db_dow := extract(dow from p_data::timestamp)::int;

  -- ?????? Dia inteiro bloqueado? (agenda_bloqueios sem hora) ?????????????????????????????????????????????????????????
  -- Se sim, n??o h?? nenhum slot dispon??vel ??? retorna vazio.
  IF EXISTS (
    SELECT 1 FROM public.agenda_bloqueios b
    WHERE b.owner_id     = v_owner_id
      AND b.data_inicio <= p_data
      AND COALESCE(b.data_fim, p_data) >= p_data
      AND b.hora_inicio IS NULL   -- bloqueio de dia inteiro
      AND (
        (NOT b.recorrente)
        OR (b.recorrente AND b.dia_semana = v_db_dow)
      )
  ) THEN
    RETURN;
  END IF;

  FOR v_slot IN
    SELECT s.time
    FROM public.agenda_online_slots s
    WHERE s.owner_id = v_owner_id
      AND s.weekday  = v_db_dow
      AND s.enabled  = true
    ORDER BY s.time
  LOOP
    v_slot_fim := v_slot + (v_duracao || ' minutes')::interval;
    v_ocupado  := false;

    -- ?????? Anteced??ncia m??nima ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
    v_slot_ts := (p_data::text || ' ' || v_slot::text)::timestamp
                  AT TIME ZONE 'America/Sao_Paulo';
    IF v_slot_ts < v_agora + (v_antecedencia || ' hours')::interval THEN
      v_ocupado := true;
    END IF;

    -- ?????? Bloqueio de hor??rio espec??fico (agenda_bloqueios com hora) ?????????????????????????????????
    IF NOT v_ocupado THEN
      SELECT EXISTS (
        SELECT 1 FROM public.agenda_bloqueios b
        WHERE b.owner_id     = v_owner_id
          AND b.data_inicio <= p_data
          AND COALESCE(b.data_fim, p_data) >= p_data
          AND b.hora_inicio IS NOT NULL
          AND b.hora_inicio  < v_slot_fim
          AND b.hora_fim     > v_slot
          AND (
            (NOT b.recorrente)
            OR (b.recorrente AND b.dia_semana = v_db_dow)
          )
      ) INTO v_ocupado;
    END IF;

    -- ?????? Eventos avulsos internos (agenda_eventos) ????????????????????????????????????????????????????????????????????????????????????
    IF NOT v_ocupado THEN
      SELECT EXISTS (
        SELECT 1 FROM public.agenda_eventos e
        WHERE e.owner_id = v_owner_id
          AND e.status::text NOT IN ('cancelado', 'faltou')
          AND (e.inicio_em AT TIME ZONE 'America/Sao_Paulo')::date = p_data
          AND (e.inicio_em AT TIME ZONE 'America/Sao_Paulo')::time < v_slot_fim
          AND (e.fim_em    AT TIME ZONE 'America/Sao_Paulo')::time > v_slot
      ) INTO v_ocupado;
    END IF;

    -- ?????? Recorr??ncias ativas (recurrence_rules) ?????????????????????????????????????????????????????????????????????????????????????????????
    IF NOT v_ocupado THEN
      FOR v_rule IN
        SELECT
          r.id,
          r.start_date::date                AS start_date,
          r.end_date::date                  AS end_date,
          r.start_time::time                AS start_time,
          r.end_time::time                  AS end_time,
          COALESCE(r.interval, 1)::int      AS interval
        FROM public.recurrence_rules r
        WHERE r.owner_id = v_owner_id
          AND r.status   = 'ativo'
          AND p_data    >= r.start_date::date
          AND (r.end_date IS NULL OR p_data <= r.end_date::date)
          AND v_db_dow = ANY(r.weekdays)
          AND r.start_time::time < v_slot_fim
          AND r.end_time::time   > v_slot
      LOOP
        v_rule_start_dow := extract(dow from v_rule.start_date)::int;
        v_first_occ      := v_rule.start_date
                              + (((v_db_dow - v_rule_start_dow + 7) % 7))::int;
        v_day_diff       := (p_data - v_first_occ)::int;

        IF v_day_diff >= 0 AND v_day_diff % (7 * v_rule.interval) = 0 THEN
          v_ex_type := NULL;
          SELECT ex.type INTO v_ex_type
          FROM public.recurrence_exceptions ex
          WHERE ex.recurrence_id = v_rule.id
            AND ex.original_date = p_data
          LIMIT 1;

          IF v_ex_type IS NULL OR v_ex_type NOT IN (
            'cancel_session', 'patient_missed',
            'therapist_canceled', 'holiday_block',
            'reschedule_session'
          ) THEN
            v_ocupado := true;
            EXIT;
          END IF;
        END IF;
      END LOOP;
    END IF;

    -- ?????? Recorr??ncias remarcadas para este dia ????????????????????????????????????????????????????????????????????????????????????????????????
    IF NOT v_ocupado THEN
      SELECT EXISTS (
        SELECT 1
        FROM public.recurrence_exceptions ex
        JOIN public.recurrence_rules r ON r.id = ex.recurrence_id
        WHERE r.owner_id  = v_owner_id
          AND r.status    = 'ativo'
          AND ex.type     = 'reschedule_session'
          AND ex.new_date = p_data
          AND COALESCE(ex.new_start_time, r.start_time)::time < v_slot_fim
          AND COALESCE(ex.new_end_time,   r.end_time)::time   > v_slot
      ) INTO v_ocupado;
    END IF;

    -- ?????? Solicita????es p??blicas pendentes ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????
    IF NOT v_ocupado THEN
      SELECT EXISTS (
        SELECT 1 FROM public.agendador_solicitacoes sol
        WHERE sol.owner_id        = v_owner_id
          AND sol.status          = 'pendente'
          AND sol.data_solicitada = p_data
          AND sol.hora_solicitada = v_slot
          AND (sol.reservado_ate IS NULL OR sol.reservado_ate > v_agora)
      ) INTO v_ocupado;
    END IF;

    hora       := v_slot;
    disponivel := NOT v_ocupado;
    RETURN NEXT;
  END LOOP;
END;
$$;

CREATE FUNCTION public.auto_create_financial_record_from_session() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_price          NUMERIC(10,2);
  v_services_total NUMERIC(10,2);
  v_already_billed BOOLEAN;
BEGIN
  -- ?????? Guards de sa??da r??pida ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

  -- S?? processa quando o status muda PARA 'realizado'
  IF NEW.status::TEXT <> 'realizado' THEN
    RETURN NEW;
  END IF;

  -- S?? processa quando houve mudan??a real de status
  IF OLD.status IS NOT DISTINCT FROM NEW.status THEN
    RETURN NEW;
  END IF;

  -- S?? sess??es (n??o bloqueios, feriados, etc.)
  IF NEW.tipo::TEXT <> 'sessao' THEN
    RETURN NEW;
  END IF;

  -- Paciente obrigat??rio para vincular a cobran??a
  IF NEW.patient_id IS NULL THEN
    RETURN NEW;
  END IF;

  -- Sess??es de pacote t??m cobran??a gerenciada por billing_contract
  IF NEW.billing_contract_id IS NOT NULL THEN
    RETURN NEW;
  END IF;

  -- Idempot??ncia: j?? existe financial_record para este evento?
  SELECT billed INTO v_already_billed
  FROM public.agenda_eventos
  WHERE id = NEW.id;

  IF v_already_billed = TRUE THEN
    -- Confirma no financial_records tamb??m (dupla verifica????o)
    IF EXISTS (
      SELECT 1 FROM public.financial_records
      WHERE agenda_evento_id = NEW.id AND deleted_at IS NULL
    ) THEN
      RETURN NEW;
    END IF;
  END IF;

  -- ?????? Busca do pre??o ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

  v_price := NULL;

  -- Prioridade 1: soma dos servi??os da regra de recorr??ncia
  IF NEW.recurrence_id IS NOT NULL THEN
    SELECT COALESCE(SUM(rrs.final_price), 0)
    INTO v_services_total
    FROM public.recurrence_rule_services rrs
    WHERE rrs.rule_id = NEW.recurrence_id;

    IF v_services_total > 0 THEN
      v_price := v_services_total;
    END IF;

    -- Prioridade 2: price direto da regra (fallback se sem servi??os)
    IF v_price IS NULL OR v_price = 0 THEN
      SELECT price INTO v_price
      FROM public.recurrence_rules
      WHERE id = NEW.recurrence_id;
    END IF;
  END IF;

  -- Prioridade 3: price do pr??prio evento de agenda
  IF v_price IS NULL OR v_price = 0 THEN
    v_price := NEW.price;
  END IF;

  -- Sem pre??o ??? n??o criar registro (n??o ?? erro, apenas skip silencioso)
  IF v_price IS NULL OR v_price <= 0 THEN
    RETURN NEW;
  END IF;

  -- ?????? Cria????o do financial_record ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

  INSERT INTO public.financial_records (
    owner_id,
    tenant_id,
    patient_id,
    agenda_evento_id,
    type,
    amount,
    discount_amount,
    final_amount,
    clinic_fee_pct,
    clinic_fee_amount,
    status,
    due_date
    -- payment_method: NULL at?? o momento do pagamento (mark_as_paid preenche)
  ) VALUES (
    NEW.owner_id,
    NEW.tenant_id,
    NEW.patient_id,
    NEW.id,
    'receita',
    v_price,
    0,
    v_price,
    0,    -- clinic_fee_pct: sem campo de configura????o global no schema atual.
    0,    -- clinic_fee_amount: calculado manualmente ou via update posterior.
    'pending',
    (NEW.inicio_em::DATE + 7)  -- vencimento padr??o: 7 dias ap??s a sess??o
  );

  -- ?????? Marca sess??o como billed ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
  -- UPDATE em billed (n??o em status) ??? n??o re-dispara este trigger
  UPDATE public.agenda_eventos
  SET billed = TRUE
  WHERE id = NEW.id;

  RETURN NEW;

EXCEPTION
  WHEN OTHERS THEN
    -- Log silencioso: nunca bloquear a agenda por falha financeira
    RAISE WARNING '[auto_create_financial_record_from_session] evento=% erro=%',
      NEW.id, SQLERRM;
    RETURN NEW;
END;
$$;

CREATE FUNCTION public.can_delete_patient(p_patient_id uuid) RETURNS boolean
    LANGUAGE sql STABLE SECURITY DEFINER
    AS $$
  SELECT NOT EXISTS (
    SELECT 1 FROM public.agenda_eventos    WHERE patient_id = p_patient_id
    UNION ALL
    SELECT 1 FROM public.recurrence_rules  WHERE patient_id = p_patient_id
    UNION ALL
    SELECT 1 FROM public.billing_contracts WHERE patient_id = p_patient_id
  );
$$;

CREATE FUNCTION public.cancel_notifications_on_opt_out() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  -- WhatsApp opt-out
  IF OLD.whatsapp_opt_in = true AND NEW.whatsapp_opt_in = false THEN
    PERFORM public.cancel_patient_pending_notifications(
      NEW.patient_id, 'whatsapp'
    );
  END IF;
  -- Email opt-out
  IF OLD.email_opt_in = true AND NEW.email_opt_in = false THEN
    PERFORM public.cancel_patient_pending_notifications(
      NEW.patient_id, 'email'
    );
  END IF;
  -- SMS opt-out
  IF OLD.sms_opt_in = true AND NEW.sms_opt_in = false THEN
    PERFORM public.cancel_patient_pending_notifications(
      NEW.patient_id, 'sms'
    );
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.cancel_notifications_on_session_cancel() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  IF NEW.status IN ('cancelado', 'excluido')
     AND OLD.status NOT IN ('cancelado', 'excluido')
  THEN
    PERFORM public.cancel_patient_pending_notifications(
      NEW.patient_id, NULL, NEW.id
    );
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.cancel_patient_pending_notifications(p_patient_id uuid, p_channel text DEFAULT NULL::text, p_evento_id uuid DEFAULT NULL::uuid) RETURNS integer
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
  v_canceled integer;
BEGIN
  UPDATE public.notification_queue
  SET status = 'cancelado',
      updated_at = now()
  WHERE patient_id = p_patient_id
    AND status IN ('pendente', 'processando')
    AND (p_channel IS NULL OR channel = p_channel)
    AND (p_evento_id IS NULL OR agenda_evento_id = p_evento_id);

  GET DIAGNOSTICS v_canceled = ROW_COUNT;
  RETURN v_canceled;
END;
$$;

CREATE FUNCTION public.cancel_recurrence_from(p_recurrence_id uuid, p_from_date date) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
BEGIN
  UPDATE public.recurrence_rules
  SET
    end_date   = p_from_date - INTERVAL '1 day',
    open_ended = false,
    status     = CASE
                   WHEN p_from_date <= start_date THEN 'cancelado'
                   ELSE status
                 END,
    updated_at = now()
  WHERE id = p_recurrence_id;
END;
$$;

CREATE FUNCTION public.cancel_subscription(p_subscription_id uuid) RETURNS public.subscriptions
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_sub public.subscriptions;
  v_owner_type text;
  v_owner_ref uuid;
begin

  select *
  into v_sub
  from public.subscriptions
  where id = p_subscription_id
  for update;

  if not found then
    raise exception 'Subscription n??o encontrada';
  end if;

  if v_sub.status = 'canceled' then
    return v_sub;
  end if;

  if v_sub.tenant_id is not null then
    v_owner_type := 'clinic';
    v_owner_ref := v_sub.tenant_id;
  elsif v_sub.user_id is not null then
    v_owner_type := 'therapist';
    v_owner_ref := v_sub.user_id;
  else
    v_owner_type := null;
    v_owner_ref := null;
  end if;

  update public.subscriptions
  set status = 'canceled',
      cancel_at_period_end = false,
      updated_at = now()
  where id = p_subscription_id
  returning * into v_sub;

  insert into public.subscription_events(
    subscription_id,
    owner_id,
    owner_type,
    owner_ref,
    event_type,
    old_plan_id,
    new_plan_id,
    created_by,
    reason,
    source,
    metadata
  )
  values (
    v_sub.id,
    v_owner_ref,
    v_owner_type,
    v_owner_ref,
    'canceled',
    v_sub.plan_id,
    v_sub.plan_id,
    auth.uid(),
    'Cancelamento manual via admin',
    'admin_panel',
    jsonb_build_object('previous_status', 'active')
  );

  if v_owner_ref is not null then
    insert into public.entitlements_invalidation(owner_id, changed_at)
    values (v_owner_ref, now())
    on conflict (owner_id)
    do update set changed_at = excluded.changed_at;
  end if;

  return v_sub;

end;
$$;

CREATE FUNCTION public.cancelar_eventos_serie(p_serie_id uuid, p_a_partir_de timestamp with time zone DEFAULT now()) RETURNS integer
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
  v_count integer;
BEGIN
  UPDATE public.agenda_eventos
     SET status     = 'cancelado',
         updated_at = now()
   WHERE serie_id  = p_serie_id
     AND inicio_em >= p_a_partir_de
     AND status NOT IN ('realizado', 'cancelado');

  GET DIAGNOSTICS v_count = ROW_COUNT;
  RETURN v_count;
END;
$$;

CREATE FUNCTION public.change_subscription_plan(p_subscription_id uuid, p_new_plan_id uuid) RETURNS public.subscriptions
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_sub public.subscriptions;
  v_old_plan uuid;
  v_new_key text;

  v_owner_type text;
  v_owner_ref uuid;

  v_new_target text;
  v_sub_target text;
begin
  select *
    into v_sub
  from public.subscriptions
  where id = p_subscription_id
  for update;

  if not found then
    raise exception 'Subscription n??o encontrada';
  end if;

  v_old_plan := v_sub.plan_id;

  if v_old_plan = p_new_plan_id then
    return v_sub;
  end if;

  select key, target
    into v_new_key, v_new_target
  from public.plans
  where id = p_new_plan_id;

  if v_new_key is null then
    raise exception 'Plano n??o encontrado';
  end if;

  v_new_target := lower(coalesce(v_new_target, ''));

  v_sub_target := case
    when v_sub.tenant_id is not null then 'clinic'
    else 'therapist'
  end;

  if v_new_target <> v_sub_target then
    raise exception 'Plano inv??lido para este tipo de assinatura. Assinatura ?? % e o plano ?? %.',
      v_sub_target, v_new_target
      using errcode = 'P0001';
  end if;

  if v_sub.tenant_id is not null then
    v_owner_type := 'clinic';
    v_owner_ref := v_sub.tenant_id;
  elsif v_sub.user_id is not null then
    v_owner_type := 'therapist';
    v_owner_ref := v_sub.user_id;
  else
    v_owner_type := null;
    v_owner_ref := null;
  end if;

  update public.subscriptions
  set plan_id = p_new_plan_id,
      plan_key = v_new_key,
      updated_at = now()
  where id = p_subscription_id
  returning * into v_sub;

  insert into public.subscription_events(
    subscription_id,
    owner_id,
    owner_type,
    owner_ref,
    event_type,
    old_plan_id,
    new_plan_id,
    created_by,
    reason,
    source,
    metadata
  )
  values (
    v_sub.id,
    v_owner_ref,
    v_owner_type,
    v_owner_ref,
    'plan_changed',
    v_old_plan,
    p_new_plan_id,
    auth.uid(),
    'Plan change via DEV menu',
    'dev_menu',
    jsonb_build_object(
      'previous_plan', v_old_plan,
      'new_plan', p_new_plan_id,
      'new_plan_key', v_new_key,
      'new_plan_target', v_new_target
    )
  );

  if v_owner_ref is not null then
    insert into public.entitlements_invalidation (owner_id, changed_at)
    values (v_owner_ref, now())
    on conflict (owner_id)
    do update set changed_at = excluded.changed_at;
  end if;

  return v_sub;
end;
$$;

CREATE FUNCTION public.cleanup_notification_queue() RETURNS integer
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
  v_deleted integer;
BEGIN
  DELETE FROM public.notification_queue
  WHERE status IN ('enviado', 'cancelado', 'ignorado')
    AND created_at < now() - interval '90 days';

  GET DIAGNOSTICS v_deleted = ROW_COUNT;
  RETURN v_deleted;
END;
$$;

CREATE FUNCTION public.create_clinic_tenant(p_name text) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_uid uuid;
  v_tenant uuid;
  v_name text;
begin
  v_uid := auth.uid();
  if v_uid is null then
    raise exception 'Not authenticated';
  end if;

  v_name := nullif(trim(coalesce(p_name, '')), '');
  if v_name is null then
    v_name := 'Cl??nica';
  end if;

  insert into public.tenants (name, kind, created_at)
  values (v_name, 'clinic', now())
  returning id into v_tenant;

  insert into public.tenant_members (tenant_id, user_id, role, status, created_at)
  values (v_tenant, v_uid, 'tenant_admin', 'active', now());

  return v_tenant;
end;
$$;

CREATE FUNCTION public.create_financial_record_for_session(p_tenant_id uuid, p_owner_id uuid, p_patient_id uuid, p_agenda_evento_id uuid, p_amount numeric, p_due_date date) RETURNS SETOF public.financial_records
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_existing public.financial_records%ROWTYPE;
  v_new      public.financial_records%ROWTYPE;
BEGIN
  -- Idempot??ncia: retorna o registro existente se j?? foi criado
  SELECT * INTO v_existing
  FROM public.financial_records
  WHERE agenda_evento_id = p_agenda_evento_id
    AND deleted_at IS NULL
  LIMIT 1;

  IF FOUND THEN
    RETURN NEXT v_existing;
    RETURN;
  END IF;

  -- Cria o novo registro
  INSERT INTO public.financial_records (
    tenant_id,
    owner_id,
    patient_id,
    agenda_evento_id,
    amount,
    discount_amount,
    final_amount,
    status,
    due_date
  ) VALUES (
    p_tenant_id,
    p_owner_id,
    p_patient_id,
    p_agenda_evento_id,
    p_amount,
    0,
    p_amount,
    'pending',
    p_due_date
  )
  RETURNING * INTO v_new;

  -- Marca o evento da agenda como billed = true
  UPDATE public.agenda_eventos
    SET billed = TRUE
  WHERE id = p_agenda_evento_id;

  RETURN NEXT v_new;
END;
$$;

CREATE FUNCTION public.create_patient_intake_request(p_token text, p_name text, p_email text DEFAULT NULL::text, p_phone text DEFAULT NULL::text, p_notes text DEFAULT NULL::text, p_consent boolean DEFAULT false) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
declare
  v_owner uuid;
  v_active boolean;
  v_expires timestamptz;
  v_max_uses int;
  v_uses int;
  v_id uuid;
begin
  select owner_id, active, expires_at, max_uses, uses
    into v_owner, v_active, v_expires, v_max_uses, v_uses
  from public.patient_invites
  where token = p_token
  limit 1;

  if v_owner is null then
    raise exception 'Token inv??lido';
  end if;

  if v_active is not true then
    raise exception 'Link desativado';
  end if;

  if v_expires is not null and now() > v_expires then
    raise exception 'Link expirado';
  end if;

  if v_max_uses is not null and v_uses >= v_max_uses then
    raise exception 'Limite de uso atingido';
  end if;

  if p_name is null or length(trim(p_name)) = 0 then
    raise exception 'Nome ?? obrigat??rio';
  end if;

  insert into public.patient_intake_requests
    (owner_id, token, name, email, phone, notes, consent, status)
  values
    (v_owner, p_token, trim(p_name),
     nullif(lower(trim(p_email)), ''),
     nullif(trim(p_phone), ''),
     nullif(trim(p_notes), ''),
     coalesce(p_consent, false),
     'new')
  returning id into v_id;

  update public.patient_invites
    set uses = uses + 1
  where token = p_token;

  return v_id;
end;
$$;

CREATE FUNCTION public.create_patient_intake_request_v2(p_token text, p_payload jsonb) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $_$
declare
  v_owner_id uuid;
  v_intake_id uuid;
  v_birth_raw text;
  v_birth date;
begin
  select owner_id
    into v_owner_id
  from public.patient_invites
  where token = p_token;

  if v_owner_id is null then
    raise exception 'Token inv??lido ou expirado';
  end if;

  v_birth_raw := nullif(trim(coalesce(
    p_payload->>'data_nascimento',
    ''
  )), '');

  v_birth := case
    when v_birth_raw is null then null
    when v_birth_raw ~ '^\d{4}-\d{2}-\d{2}$' then v_birth_raw::date
    when v_birth_raw ~ '^\d{2}-\d{2}-\d{4}$' then to_date(v_birth_raw, 'DD-MM-YYYY')
    else null
  end;

  insert into public.patient_intake_requests (
    owner_id,
    token,
    status,
    consent,

    nome_completo,
    email_principal,
    telefone,

    avatar_url,  -- ???? AQUI

    data_nascimento,
    cpf,
    rg,
    genero,
    estado_civil,
    profissao,
    escolaridade,
    nacionalidade,
    naturalidade,

    cep,
    pais,
    cidade,
    estado,
    endereco,
    numero,
    complemento,
    bairro,

    observacoes,
    notas_internas,

    encaminhado_por,
    onde_nos_conheceu
  )
  values (
    v_owner_id,
    p_token,
    'new',
    coalesce((p_payload->>'consent')::boolean, false),

    nullif(trim(p_payload->>'nome_completo'), ''),
    nullif(trim(p_payload->>'email_principal'), ''),
    nullif(regexp_replace(coalesce(p_payload->>'telefone',''), '\D', '', 'g'), ''),

    nullif(trim(p_payload->>'avatar_url'), ''), -- ???? AQUI

    v_birth,
    nullif(regexp_replace(coalesce(p_payload->>'cpf',''), '\D', '', 'g'), ''),
    nullif(trim(p_payload->>'rg'), ''),
    nullif(trim(p_payload->>'genero'), ''),
    nullif(trim(p_payload->>'estado_civil'), ''),
    nullif(trim(p_payload->>'profissao'), ''),
    nullif(trim(p_payload->>'escolaridade'), ''),
    nullif(trim(p_payload->>'nacionalidade'), ''),
    nullif(trim(p_payload->>'naturalidade'), ''),

    nullif(regexp_replace(coalesce(p_payload->>'cep',''), '\D', '', 'g'), ''),
    nullif(trim(p_payload->>'pais'), ''),
    nullif(trim(p_payload->>'cidade'), ''),
    nullif(trim(p_payload->>'estado'), ''),
    nullif(trim(p_payload->>'endereco'), ''),
    nullif(trim(p_payload->>'numero'), ''),
    nullif(trim(p_payload->>'complemento'), ''),
    nullif(trim(p_payload->>'bairro'), ''),

    nullif(trim(p_payload->>'observacoes'), ''),
    nullif(trim(p_payload->>'notas_internas'), ''),

    nullif(trim(p_payload->>'encaminhado_por'), ''),
    nullif(trim(p_payload->>'onde_nos_conheceu'), '')
  )
  returning id into v_intake_id;

  return v_intake_id;
end;
$_$;

CREATE FUNCTION public.create_support_session(p_tenant_id uuid, p_ttl_minutes integer DEFAULT 60) RETURNS json
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_admin_id  uuid;
  v_role      text;
  v_token     text;
  v_expires   timestamp with time zone;
  v_session   support_sessions;
BEGIN
  -- Verifica autentica????o
  v_admin_id := auth.uid();
  IF v_admin_id IS NULL THEN
    RAISE EXCEPTION 'N??o autenticado.' USING ERRCODE = 'P0001';
  END IF;

  -- Verifica role saas_admin
  SELECT role INTO v_role
    FROM public.profiles
   WHERE id = v_admin_id;

  IF v_role <> 'saas_admin' THEN
    RAISE EXCEPTION 'Acesso negado. Somente saas_admin pode criar sess??es de suporte.'
      USING ERRCODE = 'P0002';
  END IF;

  -- Valida TTL (1 a 120 minutos)
  IF p_ttl_minutes < 1 OR p_ttl_minutes > 120 THEN
    RAISE EXCEPTION 'TTL inv??lido. Use entre 1 e 120 minutos.'
      USING ERRCODE = 'P0003';
  END IF;

  -- Valida tenant
  IF NOT EXISTS (SELECT 1 FROM public.tenants WHERE id = p_tenant_id) THEN
    RAISE EXCEPTION 'Tenant n??o encontrado.'
      USING ERRCODE = 'P0004';
  END IF;

  -- Gera token ??nico (64 chars hex, sem pgcrypto)
  v_token   := replace(gen_random_uuid()::text, '-', '') || replace(gen_random_uuid()::text, '-', '');
  v_expires := now() + (p_ttl_minutes || ' minutes')::interval;

  -- Insere sess??o
  INSERT INTO public.support_sessions (tenant_id, admin_id, token, expires_at)
  VALUES (p_tenant_id, v_admin_id, v_token, v_expires)
  RETURNING * INTO v_session;

  RETURN json_build_object(
    'token',      v_session.token,
    'expires_at', v_session.expires_at,
    'session_id', v_session.id
  );
END;
$$;

CREATE FUNCTION public.create_therapist_payout(p_tenant_id uuid, p_therapist_id uuid, p_period_start date, p_period_end date) RETURNS public.therapist_payouts
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_payout        public.therapist_payouts%ROWTYPE;
  v_total_sessions INTEGER;
  v_gross         NUMERIC(10,2);
  v_clinic_fee    NUMERIC(10,2);
  v_net           NUMERIC(10,2);
BEGIN
  -- ?????? Verifica????o de permiss??o ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
  -- Apenas o pr??prio terapeuta ou o tenant_admin pode criar o repasse
  IF auth.uid() <> p_therapist_id AND NOT public.is_tenant_admin(p_tenant_id) THEN
    RAISE EXCEPTION 'Sem permiss??o para criar repasse para este terapeuta.';
  END IF;

  -- ?????? Verifica se j?? existe repasse para o mesmo per??odo ???????????????????????????????????????????????????
  IF EXISTS (
    SELECT 1 FROM public.therapist_payouts
    WHERE owner_id    = p_therapist_id
      AND tenant_id   = p_tenant_id
      AND period_start = p_period_start
      AND period_end   = p_period_end
      AND status <> 'cancelled'
  ) THEN
    RAISE EXCEPTION
      'J?? existe um repasse ativo para o per??odo % a % deste terapeuta.',
      p_period_start, p_period_end;
  END IF;

  -- ?????? Agrega os financial_records eleg??veis ??????????????????????????????????????????????????????????????????????????????????????????
  -- Eleg??veis: paid, receita, owner=terapeuta, tenant correto, paid_at no per??odo,
  --            n??o soft-deleted, ainda n??o vinculados a nenhum payout.
  SELECT
    COUNT(*)                AS total_sessions,
    COALESCE(SUM(amount),        0) AS gross_amount,
    COALESCE(SUM(clinic_fee_amount), 0) AS clinic_fee_total,
    COALESCE(SUM(net_amount),    0) AS net_amount
  INTO
    v_total_sessions, v_gross, v_clinic_fee, v_net
  FROM public.financial_records fr
  WHERE fr.owner_id    = p_therapist_id
    AND fr.tenant_id   = p_tenant_id
    AND fr.type        = 'receita'
    AND fr.status      = 'paid'
    AND fr.deleted_at  IS NULL
    AND fr.paid_at::DATE BETWEEN p_period_start AND p_period_end
    AND NOT EXISTS (
      SELECT 1 FROM public.therapist_payout_records tpr
      WHERE tpr.financial_record_id = fr.id
    );

  -- Sem registros eleg??veis ??? n??o criar payout vazio
  IF v_total_sessions = 0 THEN
    RAISE EXCEPTION
      'Nenhum registro financeiro eleg??vel encontrado para o per??odo % a %.',
      p_period_start, p_period_end;
  END IF;

  -- ?????? Cria o repasse ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
  INSERT INTO public.therapist_payouts (
    owner_id,
    tenant_id,
    period_start,
    period_end,
    total_sessions,
    gross_amount,
    clinic_fee_total,
    net_amount,
    status
  ) VALUES (
    p_therapist_id,
    p_tenant_id,
    p_period_start,
    p_period_end,
    v_total_sessions,
    v_gross,
    v_clinic_fee,
    v_net,
    'pending'
  )
  RETURNING * INTO v_payout;

  -- ?????? Vincula os financial_records ao repasse ????????????????????????????????????????????????????????????????????????????????????
  INSERT INTO public.therapist_payout_records (payout_id, financial_record_id)
  SELECT v_payout.id, fr.id
  FROM public.financial_records fr
  WHERE fr.owner_id    = p_therapist_id
    AND fr.tenant_id   = p_tenant_id
    AND fr.type        = 'receita'
    AND fr.status      = 'paid'
    AND fr.deleted_at  IS NULL
    AND fr.paid_at::DATE BETWEEN p_period_start AND p_period_end
    AND NOT EXISTS (
      SELECT 1 FROM public.therapist_payout_records tpr
      WHERE tpr.financial_record_id = fr.id
    );

  RETURN v_payout;
END;
$$;

CREATE FUNCTION public.current_member_id(p_tenant_id uuid) RETURNS uuid
    LANGUAGE sql STABLE
    AS $$
  select tm.id
  from public.tenant_members tm
  where tm.tenant_id = p_tenant_id
    and tm.user_id = auth.uid()
  limit 1
$$;

CREATE FUNCTION public.current_member_role(p_tenant_id uuid) RETURNS text
    LANGUAGE sql STABLE
    AS $$
  select tm.role
  from public.tenant_members tm
  where tm.tenant_id = p_tenant_id
    and tm.user_id = auth.uid()
  limit 1
$$;

CREATE FUNCTION public.debit_addon_credit(p_tenant_id uuid, p_addon_type text, p_queue_id uuid DEFAULT NULL::uuid, p_description text DEFAULT 'Consumo'::text) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_credit         addon_credits%ROWTYPE;
  v_balance_before INTEGER;
  v_balance_after  INTEGER;
BEGIN
  -- Lock e leitura
  SELECT * INTO v_credit
  FROM addon_credits
  WHERE tenant_id = p_tenant_id AND addon_type = p_addon_type AND is_active = true
  FOR UPDATE;

  IF NOT FOUND THEN
    RETURN jsonb_build_object('success', false, 'reason', 'no_credits', 'balance', 0);
  END IF;

  -- Verifica saldo
  IF v_credit.balance <= 0 THEN
    RETURN jsonb_build_object('success', false, 'reason', 'insufficient_balance', 'balance', 0);
  END IF;

  -- Verifica rate limit di??rio
  IF v_credit.daily_limit IS NOT NULL THEN
    -- Reset se passou do dia
    IF v_credit.daily_reset_at IS NULL OR v_credit.daily_reset_at < date_trunc('day', now()) THEN
      UPDATE addon_credits SET daily_used = 0, daily_reset_at = date_trunc('day', now()) + interval '1 day' WHERE id = v_credit.id;
      v_credit.daily_used := 0;
    END IF;

    IF v_credit.daily_used >= v_credit.daily_limit THEN
      RETURN jsonb_build_object('success', false, 'reason', 'daily_limit_reached', 'balance', v_credit.balance);
    END IF;
  END IF;

  -- Verifica rate limit hor??rio
  IF v_credit.hourly_limit IS NOT NULL THEN
    IF v_credit.hourly_reset_at IS NULL OR v_credit.hourly_reset_at < date_trunc('hour', now()) THEN
      UPDATE addon_credits SET hourly_used = 0, hourly_reset_at = date_trunc('hour', now()) + interval '1 hour' WHERE id = v_credit.id;
      v_credit.hourly_used := 0;
    END IF;

    IF v_credit.hourly_used >= v_credit.hourly_limit THEN
      RETURN jsonb_build_object('success', false, 'reason', 'hourly_limit_reached', 'balance', v_credit.balance);
    END IF;
  END IF;

  -- Verifica expira????o
  IF v_credit.expires_at IS NOT NULL AND v_credit.expires_at < now() THEN
    RETURN jsonb_build_object('success', false, 'reason', 'credits_expired', 'balance', v_credit.balance);
  END IF;

  v_balance_before := v_credit.balance;
  v_balance_after  := v_credit.balance - 1;

  -- Debita
  UPDATE addon_credits
  SET balance        = v_balance_after,
      total_consumed = total_consumed + 1,
      daily_used     = COALESCE(daily_used, 0) + 1,
      hourly_used    = COALESCE(hourly_used, 0) + 1,
      updated_at     = now()
  WHERE id = v_credit.id;

  -- Registra transa????o
  INSERT INTO addon_transactions (
    tenant_id, addon_type, type, amount,
    balance_before, balance_after,
    queue_id, description
  ) VALUES (
    p_tenant_id, p_addon_type, 'consume', -1,
    v_balance_before, v_balance_after,
    p_queue_id, p_description
  );

  RETURN jsonb_build_object(
    'success', true,
    'balance_before', v_balance_before,
    'balance_after', v_balance_after
  );
END;
$$;

CREATE FUNCTION public.delete_commitment_full(p_tenant_id uuid, p_commitment_id uuid) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
declare
  v_is_native boolean;
  v_fields int := 0;
  v_logs int := 0;
  v_parent int := 0;
begin
  if auth.uid() is null then
    raise exception 'Not authenticated';
  end if;

  if not exists (
    select 1
    from public.tenant_members tm
    where tm.tenant_id = p_tenant_id
      and tm.user_id = auth.uid()
      and tm.status = 'active'
  ) then
    raise exception 'Not allowed';
  end if;

  select dc.is_native
    into v_is_native
  from public.determined_commitments dc
  where dc.tenant_id = p_tenant_id
    and dc.id = p_commitment_id;

  if v_is_native is null then
    raise exception 'Commitment not found';
  end if;

  if v_is_native = true then
    raise exception 'Cannot delete native commitment';
  end if;

  delete from public.determined_commitment_fields
   where tenant_id = p_tenant_id
     and commitment_id = p_commitment_id;
  get diagnostics v_fields = row_count;

  delete from public.commitment_time_logs
   where tenant_id = p_tenant_id
     and commitment_id = p_commitment_id;
  get diagnostics v_logs = row_count;

  delete from public.determined_commitments
   where tenant_id = p_tenant_id
     and id = p_commitment_id;
  get diagnostics v_parent = row_count;

  if v_parent <> 1 then
    raise exception 'Parent not deleted (RLS/owner issue).';
  end if;

  return jsonb_build_object(
    'ok', true,
    'deleted', jsonb_build_object(
      'fields', v_fields,
      'logs', v_logs,
      'commitment', v_parent
    )
  );
end;
$$;

CREATE FUNCTION public.delete_determined_commitment(p_tenant_id uuid, p_commitment_id uuid) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
declare
  v_is_native boolean;
  v_fields_deleted int := 0;
  v_logs_deleted int := 0;
  v_commitment_deleted int := 0;
begin
  if auth.uid() is null then
    raise exception 'Not authenticated';
  end if;

  if not exists (
    select 1
    from public.tenant_members tm
    where tm.tenant_id = p_tenant_id
      and tm.user_id = auth.uid()
      and tm.status = 'active'
  ) then
    raise exception 'Not allowed';
  end if;

  select dc.is_native
    into v_is_native
  from public.determined_commitments dc
  where dc.tenant_id = p_tenant_id
    and dc.id = p_commitment_id;

  if v_is_native is null then
    raise exception 'Commitment not found for tenant';
  end if;

  if v_is_native = true then
    raise exception 'Cannot delete native commitment';
  end if;

  delete from public.determined_commitment_fields f
   where f.tenant_id = p_tenant_id
     and f.commitment_id = p_commitment_id;
  get diagnostics v_fields_deleted = row_count;

  delete from public.commitment_time_logs l
   where l.tenant_id = p_tenant_id
     and l.commitment_id = p_commitment_id;
  get diagnostics v_logs_deleted = row_count;

  delete from public.determined_commitments dc
   where dc.tenant_id = p_tenant_id
     and dc.id = p_commitment_id;
  get diagnostics v_commitment_deleted = row_count;

  if v_commitment_deleted <> 1 then
    raise exception 'Delete did not remove the commitment (tenant mismatch?)';
  end if;

  return jsonb_build_object(
    'ok', true,
    'tenant_id', p_tenant_id,
    'commitment_id', p_commitment_id,
    'deleted', jsonb_build_object(
      'fields', v_fields_deleted,
      'logs', v_logs_deleted,
      'commitment', v_commitment_deleted
    )
  );
end;
$$;

CREATE FUNCTION public.dev_list_auth_users(p_limit integer DEFAULT 50) RETURNS TABLE(id uuid, email text, created_at timestamp with time zone)
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public', 'auth'
    AS $$
begin
  -- s?? saas_admin pode ver
  if not exists (
    select 1
    from public.profiles p
    where p.id = auth.uid()
      and p.role = 'saas_admin'
  ) then
    return;
  end if;

  return query
  select
    u.id,
    u.email,
    u.created_at
  from auth.users u
  order by u.created_at desc
  limit greatest(1, least(coalesce(p_limit, 50), 500));
end;
$$;

CREATE FUNCTION public.dev_list_custom_users() RETURNS TABLE(user_id uuid, email text, created_at timestamp with time zone, global_role text, tenant_role text, tenant_id uuid, password_dev text, kind text)
    LANGUAGE sql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
  with base as (
    select
      u.id as user_id,
      lower(u.email) as email,
      u.created_at
    from auth.users u
    where lower(u.email) not in (
      'clinic@agenciapsi.com.br',
      'therapist@agenciapsi.com.br',
      'patient@agenciapsi.com.br',
      'saas@agenciapsi.com.br'
    )
  ),
  prof as (
    select p.id, p.role as global_role
    from public.profiles p
  ),
  last_membership as (
    select distinct on (tm.user_id)
      tm.user_id,
      tm.tenant_id,
      tm.role as tenant_role,
      tm.created_at
    from public.tenant_members tm
    where tm.status = 'active'
    order by tm.user_id, tm.created_at desc
  )
  select
    b.user_id,
    b.email,
    b.created_at,
    pr.global_role,
    lm.tenant_role,
    lm.tenant_id,
    dc.password_dev,
    dc.kind
  from base b
  left join prof pr on pr.id = b.user_id
  left join last_membership lm on lm.user_id = b.user_id
  left join public.dev_user_credentials dc on lower(dc.email) = b.email
  order by b.created_at desc;
$$;

CREATE FUNCTION public.dev_list_intent_leads() RETURNS TABLE(email text, last_intent_at timestamp with time zone, plan_key text, billing_interval text, status text, tenant_id uuid)
    LANGUAGE sql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
  select
    lower(si.email) as email,
    max(si.created_at) as last_intent_at,
    (array_agg(si.plan_key order by si.created_at desc))[1] as plan_key,
    (array_agg(si.interval order by si.created_at desc))[1] as billing_interval,
    (array_agg(si.status order by si.created_at desc))[1] as status,
    (array_agg(si.tenant_id order by si.created_at desc))[1] as tenant_id
  from public.subscription_intents si
  where si.email is not null
    and not exists (
      select 1
      from auth.users au
      where lower(au.email) = lower(si.email)
    )
  group by lower(si.email)
  order by max(si.created_at) desc;
$$;

CREATE FUNCTION public.dev_public_debug_snapshot() RETURNS TABLE(users_total integer, tenants_total integer, intents_new_total integer, latest_intents jsonb)
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $_$
declare
  v_latest jsonb;
begin
  select jsonb_agg(
    jsonb_build_object(
      'created_at', si.created_at,
      'email_masked',
        regexp_replace(lower(si.email), '(^.).*(@.*$)', '\1***\2'),
      'plan_key', si.plan_key,
      'status', si.status
    )
    order by si.created_at desc
  )
  into v_latest
  from (
    select si.*
    from public.subscription_intents si
    where si.email is not null
    order by si.created_at desc
    limit 5
  ) si;

  return query
  select
    (select count(*)::int from auth.users) as users_total,
    (select count(*)::int from public.tenants) as tenants_total,
    (select count(*)::int from public.subscription_intents where status = 'new') as intents_new_total,
    coalesce(v_latest, '[]'::jsonb) as latest_intents;
end;
$_$;

CREATE FUNCTION public.ensure_personal_tenant() RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
  v_uid      uuid;
  v_existing uuid;
BEGIN
  v_uid := auth.uid();
  IF v_uid IS NULL THEN
    RAISE EXCEPTION 'Not authenticated';
  END IF;

  SELECT tm.tenant_id INTO v_existing
  FROM public.tenant_members tm
  JOIN public.tenants t ON t.id = tm.tenant_id
  WHERE tm.user_id = v_uid
    AND tm.status = 'active'
    AND t.kind IN ('therapist', 'saas')
  ORDER BY tm.created_at DESC
  LIMIT 1;

  IF v_existing IS NOT NULL THEN
    RETURN v_existing;
  END IF;

  RETURN public.provision_account_tenant(v_uid, 'therapist');
END;
$$;

CREATE FUNCTION public.ensure_personal_tenant_for_user(p_user_id uuid) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_uid uuid;
  v_existing uuid;
  v_tenant uuid;
  v_email text;
  v_name text;
begin
  v_uid := p_user_id;
  if v_uid is null then
    raise exception 'Missing user id';
  end if;

  -- s?? considera tenant pessoal (kind='saas')
  select tm.tenant_id
    into v_existing
  from public.tenant_members tm
  join public.tenants t on t.id = tm.tenant_id
  where tm.user_id = v_uid
    and tm.status = 'active'
    and t.kind = 'saas'
  order by tm.created_at desc
  limit 1;

  if v_existing is not null then
    return v_existing;
  end if;

  select email into v_email
  from auth.users
  where id = v_uid;

  v_name := coalesce(split_part(v_email, '@', 1), 'Conta');

  insert into public.tenants (name, kind, created_at)
  values (v_name || ' (Pessoal)', 'saas', now())
  returning id into v_tenant;

  insert into public.tenant_members (tenant_id, user_id, role, status, created_at)
  values (v_tenant, v_uid, 'tenant_admin', 'active', now());

  return v_tenant;
end;
$$;

CREATE FUNCTION public.faq_votar(faq_id uuid) RETURNS void
    LANGUAGE sql SECURITY DEFINER
    AS $$
  update public.saas_faq
  set votos = votos + 1,
      updated_at = now()
  where id = faq_id
    and ativo = true;
$$;

CREATE FUNCTION public.fix_all_subscription_mismatches() RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  r record;
begin
  for r in
    select distinct s.user_id as owner_id
    from public.subscriptions s
    where s.status = 'active'
      and s.user_id is not null
  loop
    perform public.rebuild_owner_entitlements(r.owner_id);
  end loop;
end;
$$;

CREATE FUNCTION public.fn_agenda_regras_semanais_no_overlap() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
declare
  v_count int;
begin
  if new.ativo is false then
    return new;
  end if;

  select count(*) into v_count
  from public.agenda_regras_semanais r
  where r.owner_id = new.owner_id
    and r.dia_semana = new.dia_semana
    and r.ativo is true
    and (tg_op = 'INSERT' or r.id <> new.id)
    and (new.hora_inicio < r.hora_fim and new.hora_fim > r.hora_inicio);

  if v_count > 0 then
    raise exception 'Janela sobreposta: j?? existe uma regra ativa nesse intervalo.';
  end if;

  return new;
end;
$$;

CREATE FUNCTION public.fn_document_signature_timeline() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
    v_patient_id uuid;
    v_tenant_id  uuid;
    v_doc_nome   text;
BEGIN
    IF NEW.status = 'assinado' AND (OLD.status IS NULL OR OLD.status <> 'assinado') THEN
        SELECT d.patient_id, d.tenant_id, d.nome_original
        INTO v_patient_id, v_tenant_id, v_doc_nome
        FROM public.documents d
        WHERE d.id = NEW.documento_id;

        IF v_patient_id IS NOT NULL THEN
            INSERT INTO public.patient_timeline (
                patient_id, tenant_id, evento_tipo,
                titulo, descricao, icone_cor,
                link_ref_tipo, link_ref_id,
                gerado_por, ocorrido_em
            ) VALUES (
                v_patient_id,
                v_tenant_id,
                'documento_assinado',
                'Documento assinado: ' || COALESCE(v_doc_nome, 'documento'),
                'Assinado por ' || COALESCE(NEW.signatario_nome, NEW.signatario_tipo),
                'green',
                'documento',
                NEW.documento_id,
                NEW.signatario_id,
                NEW.assinado_em
            );
        END IF;
    END IF;
    RETURN NEW;
END;
$$;

CREATE FUNCTION public.fn_documents_timeline_insert() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
    INSERT INTO public.patient_timeline (
        patient_id, tenant_id, evento_tipo,
        titulo, descricao, icone_cor,
        link_ref_tipo, link_ref_id,
        gerado_por, ocorrido_em
    ) VALUES (
        NEW.patient_id,
        NEW.tenant_id,
        'documento_adicionado',
        'Documento adicionado: ' || COALESCE(NEW.nome_original, 'arquivo'),
        'Tipo: ' || COALESCE(NEW.tipo_documento, 'outro'),
        'blue',
        'documento',
        NEW.id,
        NEW.uploaded_by,
        NEW.uploaded_at
    );
    RETURN NEW;
END;
$$;

CREATE FUNCTION public.get_financial_report(p_owner_id uuid, p_start_date date, p_end_date date, p_group_by text DEFAULT 'month'::text) RETURNS TABLE(group_key text, group_label text, total_receitas numeric, total_despesas numeric, saldo numeric, total_pendente numeric, total_overdue numeric, count_records bigint)
    LANGUAGE sql STABLE SECURITY DEFINER
    SET search_path TO 'public'
    AS $$

  -- ?????? Valida p_group_by antes de executar ??????????????????????????????????????????????????????????????????????????????????????????????????????
  -- (lan??a erro se valor inv??lido; plpgsql seria necess??rio para isso em SQL puro,
  --  ent??o usamos um CTE de valida????o com CASE WHEN para retornar vazio em vez de erro)

  WITH base AS (
    SELECT
      fr.type,
      fr.amount,
      fr.final_amount,
      fr.status,
      fr.deleted_at,
      -- Chave de agrupamento calculada conforme p_group_by
      CASE p_group_by
        WHEN 'month'    THEN TO_CHAR(
                               COALESCE(fr.paid_at::DATE, fr.due_date, fr.created_at::DATE),
                               'YYYY-MM'
                             )
        WHEN 'week'     THEN TO_CHAR(
                               COALESCE(fr.paid_at::DATE, fr.due_date, fr.created_at::DATE),
                               'IYYY-"W"IW'
                             )
        WHEN 'category' THEN COALESCE(fr.category_id::TEXT, fr.category, 'sem_categoria')
        WHEN 'patient'  THEN COALESCE(fr.patient_id::TEXT, 'sem_paciente')
        ELSE NULL  -- group_by inv??lido ??? group_key NULL ??? retorno vazio
      END AS gkey,
      -- Label leg??vel (enriquecido via JOIN abaixo quando poss??vel)
      CASE p_group_by
        WHEN 'month'    THEN TO_CHAR(
                               COALESCE(fr.paid_at::DATE, fr.due_date, fr.created_at::DATE),
                               'YYYY-MM'
                             )
        WHEN 'week'     THEN TO_CHAR(
                               COALESCE(fr.paid_at::DATE, fr.due_date, fr.created_at::DATE),
                               'IYYY-"W"IW'
                             )
        WHEN 'category' THEN COALESCE(fc.name, fr.category, 'Sem categoria')
        WHEN 'patient'  THEN COALESCE(p.nome_completo, fr.patient_id::TEXT, 'Sem paciente')
        ELSE NULL
      END AS glabel
    FROM public.financial_records fr
    LEFT JOIN public.financial_categories fc
           ON fc.id = fr.category_id
    LEFT JOIN public.patients p
           ON p.id = fr.patient_id
    WHERE fr.owner_id    = p_owner_id
      AND fr.deleted_at  IS NULL
      AND COALESCE(fr.paid_at::DATE, fr.due_date, fr.created_at::DATE)
          BETWEEN p_start_date AND p_end_date
  )

  SELECT
    gkey                                                                             AS group_key,
    glabel                                                                           AS group_label,

    COALESCE(SUM(final_amount) FILTER (WHERE type = 'receita' AND status = 'paid'), 0)
                                                                                     AS total_receitas,

    COALESCE(SUM(final_amount) FILTER (WHERE type = 'despesa' AND status = 'paid'), 0)
                                                                                     AS total_despesas,

    COALESCE(SUM(final_amount) FILTER (WHERE type = 'receita' AND status = 'paid'), 0)
    - COALESCE(SUM(final_amount) FILTER (WHERE type = 'despesa' AND status = 'paid'), 0)
                                                                                     AS saldo,

    COALESCE(SUM(final_amount) FILTER (WHERE status = 'pending'), 0)                AS total_pendente,

    COALESCE(SUM(final_amount) FILTER (WHERE status = 'overdue'), 0)                AS total_overdue,

    COUNT(*)                                                                         AS count_records

  FROM base
  WHERE gkey IS NOT NULL  -- descarta p_group_by inv??lido
  GROUP BY gkey, glabel
  ORDER BY gkey ASC;

$$;

CREATE FUNCTION public.get_financial_summary(p_owner_id uuid, p_year integer, p_month integer) RETURNS TABLE(total_receitas numeric, total_despesas numeric, total_pendente numeric, saldo_liquido numeric, total_repasse numeric, count_receitas bigint, count_despesas bigint)
    LANGUAGE sql STABLE SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
  SELECT
    -- Receitas pagas no per??odo
    COALESCE(SUM(amount) FILTER (
      WHERE type = 'receita' AND status = 'paid'
    ), 0) AS total_receitas,

    -- Despesas pagas no per??odo
    COALESCE(SUM(amount) FILTER (
      WHERE type = 'despesa' AND status = 'paid'
    ), 0) AS total_despesas,

    -- Tudo pendente ou vencido (receitas + despesas)
    COALESCE(SUM(amount) FILTER (
      WHERE status IN ('pending', 'overdue')
    ), 0) AS total_pendente,

    -- Saldo l??quido (receitas pagas ??? despesas pagas)
    COALESCE(SUM(amount) FILTER (
      WHERE type = 'receita' AND status = 'paid'
    ), 0)
    - COALESCE(SUM(amount) FILTER (
      WHERE type = 'despesa' AND status = 'paid'
    ), 0) AS saldo_liquido,

    -- Total repassado ?? cl??nica (apenas receitas pagas)
    COALESCE(SUM(clinic_fee_amount) FILTER (
      WHERE type = 'receita' AND status = 'paid'
    ), 0) AS total_repasse,

    -- Contadores (excluindo soft-deleted)
    COUNT(*) FILTER (WHERE type = 'receita' AND deleted_at IS NULL) AS count_receitas,
    COUNT(*) FILTER (WHERE type = 'despesa' AND deleted_at IS NULL) AS count_despesas

  FROM public.financial_records
  WHERE owner_id   = p_owner_id
    AND deleted_at IS NULL
    AND EXTRACT(YEAR  FROM COALESCE(paid_at::DATE, due_date, created_at::DATE)) = p_year
    AND EXTRACT(MONTH FROM COALESCE(paid_at::DATE, due_date, created_at::DATE)) = p_month;
$$;

CREATE FUNCTION public.get_my_email() RETURNS text
    LANGUAGE sql SECURITY DEFINER
    SET search_path TO 'public', 'auth'
    AS $$
  select lower(email)
  from auth.users
  where id = auth.uid();
$$;

CREATE FUNCTION public.guard_account_type_immutable() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
  IF OLD.account_type <> 'free' AND NEW.account_type IS DISTINCT FROM OLD.account_type THEN
    RAISE EXCEPTION 'account_type ?? imut??vel ap??s escolha (atual: "%" para tentativa: "%"). Para mudar de perfil, crie uma nova conta.', OLD.account_type, NEW.account_type
      USING ERRCODE = 'P0001';
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.guard_locked_commitment() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
begin
  if (old.is_locked = true) then
    if (tg_op = 'DELETE') then
      raise exception 'Compromisso bloqueado n??o pode ser exclu??do.';
    end if;

    if (tg_op = 'UPDATE') then
      if (new.active = false) then
        raise exception 'Compromisso bloqueado n??o pode ser desativado.';
      end if;

      -- trava renomear (mant??m o "Sess??o" sempre igual)
      if (new.name is distinct from old.name) then
        raise exception 'Compromisso bloqueado n??o pode ser renomeado.';
      end if;

      -- se quiser travar descri????o tamb??m, descomente:
      -- if (new.description is distinct from old.description) then
      --   raise exception 'Compromisso bloqueado n??o pode alterar descri????o.';
      -- end if;
    end if;
  end if;

  return new;
end;
$$;

CREATE FUNCTION public.guard_no_change_core_plan_key() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
begin
  if old.key in ('clinic_free','clinic_pro','therapist_free','therapist_pro')
     and new.key is distinct from old.key then
    raise exception 'N??o ?? permitido alterar a key do plano padr??o (%).', old.key
      using errcode = 'P0001';
  end if;

  return new;
end $$;

CREATE FUNCTION public.guard_no_change_plan_target() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
declare
  v_bypass text;
begin
  -- bypass controlado por sess??o/transa????o:
  -- s?? passa se app.plan_migration_bypass = '1'
  v_bypass := current_setting('app.plan_migration_bypass', true);

  if v_bypass = '1' then
    return new;
  end if;

  -- comportamento original (bloqueia qualquer mudan??a)
  if new.target is distinct from old.target then
    raise exception 'N??o ?? permitido alterar target do plano (%) de % para %.',
      old.key, old.target, new.target
      using errcode = 'P0001';
  end if;

  return new;
end
$$;

CREATE FUNCTION public.guard_no_delete_core_plans() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
begin
  if old.key in ('clinic_free','clinic_pro','therapist_free','therapist_pro') then
    raise exception 'Plano padr??o (%) n??o pode ser removido.', old.key
      using errcode = 'P0001';
  end if;

  return old;
end $$;

CREATE FUNCTION public.guard_patient_cannot_own_tenant() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
DECLARE
  v_account_type text;
BEGIN
  SELECT account_type INTO v_account_type
  FROM public.profiles
  WHERE id = NEW.user_id;

  IF v_account_type = 'patient' AND NEW.role IN ('tenant_admin', 'therapist') THEN
    RAISE EXCEPTION 'Usu??rio com perfil "patient" n??o pode ser propriet??rio ou terapeuta de um tenant. Se tornou profissional? Crie uma nova conta.'
      USING ERRCODE = 'P0001';
  END IF;

  RETURN NEW;
END;
$$;

CREATE FUNCTION public.guard_tenant_kind_immutable() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
  IF NEW.kind IS DISTINCT FROM OLD.kind THEN
    RAISE EXCEPTION 'tenants.kind ?? imut??vel ap??s cria????o. Tentativa de alterar "%" para "%".', OLD.kind, NEW.kind
      USING ERRCODE = 'P0001';
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.handle_new_user() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
BEGIN
  INSERT INTO public.profiles (id, role, account_type)
  VALUES (NEW.id, 'portal_user', 'free')
  ON CONFLICT (id) DO NOTHING;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.handle_new_user_create_personal_tenant() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  -- Desabilitado. Tenant criado no onboarding via provision_account_tenant().
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.has_feature(p_owner_id uuid, p_feature_key text) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  select exists (
    select 1
    from public.owner_feature_entitlements e
    where e.owner_id = p_owner_id
      and e.feature_key = p_feature_key
  );
$$;

CREATE FUNCTION public.is_clinic_tenant(_tenant_id uuid) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  SELECT EXISTS (
    SELECT 1 FROM public.tenants t
    WHERE t.id = _tenant_id
      AND t.kind IN ('clinic', 'clinic_coworking', 'clinic_reception', 'clinic_full')
  );
$$;

CREATE FUNCTION public.is_saas_admin() RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  select exists (
    select 1 from public.saas_admins sa
    where sa.user_id = auth.uid()
  );
$$;

CREATE FUNCTION public.is_tenant_admin(p_tenant_id uuid) RETURNS boolean
    LANGUAGE sql STABLE SECURITY DEFINER
    SET search_path TO 'public'
    SET row_security TO 'off'
    AS $$
  select exists (
    select 1
    from public.tenant_members tm
    where tm.tenant_id = p_tenant_id
      and tm.user_id = auth.uid()
      and tm.role = 'tenant_admin'
      and tm.status = 'active'
  );
$$;

CREATE FUNCTION public.is_tenant_member(_tenant_id uuid) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  select exists (
    select 1
    from public.tenant_members m
    where m.tenant_id = _tenant_id
      and m.user_id = auth.uid()
      and m.status = 'active'
  );
$$;

CREATE FUNCTION public.is_therapist_tenant(_tenant_id uuid) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  SELECT EXISTS (
    SELECT 1 FROM public.tenants t
    WHERE t.id = _tenant_id AND t.kind = 'therapist'
  );
$$;

CREATE FUNCTION public.jwt_email() RETURNS text
    LANGUAGE sql STABLE
    AS $$
  select nullif(lower(current_setting('request.jwt.claim.email', true)), '');
$$;

CREATE FUNCTION public.list_financial_records(p_owner_id uuid, p_year integer DEFAULT NULL::integer, p_month integer DEFAULT NULL::integer, p_type text DEFAULT NULL::text, p_status text DEFAULT NULL::text, p_patient_id uuid DEFAULT NULL::uuid, p_limit integer DEFAULT 50, p_offset integer DEFAULT 0) RETURNS SETOF public.financial_records
    LANGUAGE sql STABLE SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
  SELECT *
  FROM public.financial_records
  WHERE owner_id    = p_owner_id
    AND deleted_at  IS NULL
    AND (p_type       IS NULL OR type::TEXT  = p_type)
    AND (p_status     IS NULL OR status      = p_status)
    AND (p_patient_id IS NULL OR patient_id  = p_patient_id)
    AND (p_year  IS NULL OR EXTRACT(YEAR  FROM COALESCE(paid_at::DATE, due_date, created_at::DATE)) = p_year)
    AND (p_month IS NULL OR EXTRACT(MONTH FROM COALESCE(paid_at::DATE, due_date, created_at::DATE)) = p_month)
  ORDER BY COALESCE(paid_at, due_date::TIMESTAMPTZ, created_at) DESC
  LIMIT  p_limit
  OFFSET p_offset;
$$;

CREATE FUNCTION public.mark_as_paid(p_financial_record_id uuid, p_payment_method text) RETURNS SETOF public.financial_records
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_record public.financial_records%ROWTYPE;
BEGIN
  -- Garante que o registro pertence ao usu??rio autenticado (RLS n??o aplica em SECURITY DEFINER)
  SELECT * INTO v_record
  FROM public.financial_records
  WHERE id = p_financial_record_id
    AND owner_id = auth.uid()
    AND deleted_at IS NULL;

  IF NOT FOUND THEN
    RAISE EXCEPTION 'Registro financeiro n??o encontrado ou sem permiss??o.';
  END IF;

  IF v_record.status NOT IN ('pending', 'overdue') THEN
    RAISE EXCEPTION 'Apenas cobran??as pendentes ou vencidas podem ser marcadas como pagas.';
  END IF;

  UPDATE public.financial_records
    SET status         = 'paid',
        paid_at        = NOW(),
        payment_method = p_payment_method,
        updated_at     = NOW()
  WHERE id = p_financial_record_id
  RETURNING * INTO v_record;

  RETURN NEXT v_record;
END;
$$;

CREATE FUNCTION public.mark_payout_as_paid(p_payout_id uuid) RETURNS public.therapist_payouts
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_payout public.therapist_payouts%ROWTYPE;
BEGIN
  -- Busca o payout
  SELECT * INTO v_payout
  FROM public.therapist_payouts
  WHERE id = p_payout_id;

  IF NOT FOUND THEN
    RAISE EXCEPTION 'Repasse n??o encontrado: %', p_payout_id;
  END IF;

  -- Verifica permiss??o: apenas tenant_admin do tenant do repasse
  IF NOT public.is_tenant_admin(v_payout.tenant_id) THEN
    RAISE EXCEPTION 'Apenas o administrador da cl??nica pode marcar repasses como pagos.';
  END IF;

  -- Verifica status
  IF v_payout.status <> 'pending' THEN
    RAISE EXCEPTION
      'Repasse j?? est?? com status ''%''. Apenas repasses pendentes podem ser pagos.',
      v_payout.status;
  END IF;

  -- Atualiza
  UPDATE public.therapist_payouts
  SET
    status     = 'paid',
    paid_at    = NOW(),
    updated_at = NOW()
  WHERE id = p_payout_id
  RETURNING * INTO v_payout;

  RETURN v_payout;
END;
$$;

CREATE FUNCTION public.my_tenants() RETURNS TABLE(tenant_id uuid, role text, status text, kind text)
    LANGUAGE sql STABLE
    AS $$
  select
    tm.tenant_id,
    tm.role,
    tm.status,
    t.kind
  from public.tenant_members tm
  join public.tenants t on t.id = tm.tenant_id
  where tm.user_id = auth.uid();
$$;

CREATE FUNCTION public.notice_track_click(p_notice_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
begin
  update public.global_notices
  set clicks_count = clicks_count + 1
  where id = p_notice_id;
end;
$$;

CREATE FUNCTION public.notice_track_view(p_notice_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
begin
  update public.global_notices
  set views_count = views_count + 1
  where id = p_notice_id;
end;
$$;

CREATE FUNCTION public.notify_on_intake() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  IF NEW.status = 'new' THEN
    INSERT INTO public.notifications (
      owner_id,
      tenant_id,
      type,
      ref_id,
      ref_table,
      payload
    )
    VALUES (
      NEW.owner_id,
      NEW.tenant_id,
      'new_patient',
      NEW.id,
      'patient_intake_requests',
      jsonb_build_object(
        'title',  'Novo cadastro externo',
        'detail', COALESCE(NEW.nome_completo, 'Paciente'),
        'deeplink', '/therapist/patients/cadastro/recebidos',
        'avatar_initials', upper(left(COALESCE(NEW.nome_completo, '?'), 2))
      )
    );
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.notify_on_scheduling() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$                                                                                                                   BEGIN                                                                                                                     IF NEW.status = 'pendente' THEN
      INSERT INTO public.notifications (                                                                                        owner_id,                                                                                                               tenant_id,                                                                                                              type,                                                                                                                   ref_id,                                                                                                                 ref_table,                                                                                                              payload                                                                                                               )                                                                                                                       VALUES (
        NEW.owner_id,                                                                                                           NEW.tenant_id,
        'new_scheduling',                                                                                                       NEW.id,                                                                                                                 'agendador_solicitacoes',                                                                                               jsonb_build_object(                                                                                                       'title',  'Nova solicita????o de agendamento',                                                                            'detail', COALESCE(NEW.paciente_nome, 'Paciente') || ' ' || COALESCE(NEW.paciente_sobrenome, '') || ' ??? ' ||    COALESCE(NEW.tipo, ''),                                                                                                         'deeplink', '/therapist/agendamentos-recebidos',                                                                        'avatar_initials', upper(left(COALESCE(NEW.paciente_nome, '?'), 1) || left(COALESCE(NEW.paciente_sobrenome,     ''), 1))                                                                                                                      )                                                                                                                     );                                                                                                                    END IF;                                                                                                                 RETURN NEW;                                                                                                           END;                                                                                                                    $$;

CREATE FUNCTION public.notify_on_session_status() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
  v_nome text;
BEGIN
  IF NEW.status IN ('faltou', 'cancelado') AND OLD.status IS DISTINCT FROM NEW.status THEN

    SELECT nome_completo
      INTO v_nome
      FROM public.patients
     WHERE id = NEW.patient_id
     LIMIT 1;

    INSERT INTO public.notifications (
      owner_id,
      tenant_id,
      type,
      ref_id,
      ref_table,
      payload
    )
    VALUES (
      NEW.owner_id,
      NEW.tenant_id,
      'session_status',
      NEW.id,
      'agenda_eventos',
      jsonb_build_object(
        'title',           CASE WHEN NEW.status = 'faltou' THEN 'Paciente faltou' ELSE 'Sess??o cancelada' END,
        'detail',          COALESCE(v_nome, 'Paciente') || ' ??? ' || to_char(NEW.inicio_em, 'DD/MM HH24:MI'),
        'deeplink',        '/therapist/agenda',
        'avatar_initials', upper(left(COALESCE(v_nome, '?'), 2))
      )
    );

  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.on_new_user_seed_patient_groups() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
  BEGIN
    PERFORM public.seed_default_patient_groups(NEW.id);
    RETURN NEW;
  END;
  $$;

CREATE FUNCTION public.patients_validate_member_consistency() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
DECLARE
  v_tenant_responsible uuid;
  v_tenant_therapist uuid;
BEGIN
  -- responsible_member sempre deve existir e ser do tenant
  SELECT tenant_id INTO v_tenant_responsible
  FROM public.tenant_members
  WHERE id = NEW.responsible_member_id;

  IF v_tenant_responsible IS NULL THEN
    RAISE EXCEPTION 'Responsible member not found';
  END IF;

  IF NEW.tenant_id IS NULL THEN
    RAISE EXCEPTION 'tenant_id is required';
  END IF;

  IF v_tenant_responsible <> NEW.tenant_id THEN
    RAISE EXCEPTION 'Responsible member must belong to the same tenant';
  END IF;

  -- therapist scope: therapist_member_id deve existir e ser do mesmo tenant
  IF NEW.patient_scope = 'therapist' THEN
    IF NEW.therapist_member_id IS NULL THEN
      RAISE EXCEPTION 'therapist_member_id is required when patient_scope=therapist';
    END IF;

    SELECT tenant_id INTO v_tenant_therapist
    FROM public.tenant_members
    WHERE id = NEW.therapist_member_id;

    IF v_tenant_therapist IS NULL THEN
      RAISE EXCEPTION 'Therapist member not found';
    END IF;

    IF v_tenant_therapist <> NEW.tenant_id THEN
      RAISE EXCEPTION 'Therapist member must belong to the same tenant';
    END IF;
  END IF;

  RETURN NEW;
END;
$$;

CREATE FUNCTION public.patients_validate_responsible_member_tenant() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
declare
  m_tenant uuid;
begin
  select tenant_id into m_tenant
  from public.tenant_members
  where id = new.responsible_member_id;

  if m_tenant is null then
    raise exception 'Responsible member not found';
  end if;

  if new.tenant_id is null then
    raise exception 'tenant_id is required';
  end if;

  if m_tenant <> new.tenant_id then
    raise exception 'Responsible member must belong to the same tenant';
  end if;

  return new;
end;
$$;

CREATE FUNCTION public.populate_notification_queue() RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  INSERT INTO public.notification_queue (
    tenant_id, owner_id, agenda_evento_id, patient_id,
    channel, template_key, schedule_key,
    resolved_vars, recipient_address,
    scheduled_at, idempotency_key
  )
  SELECT
    ae.tenant_id,
    ae.owner_id,
    ae.id AS agenda_evento_id,
    ae.patient_id,
    ch.channel,
    'session.' || REPLACE(ns.event_type, '_sessao', '') || '.' || ch.channel,
    ns.schedule_key,
    jsonb_build_object(
      'nome_paciente',   COALESCE(p.nome_completo, 'Paciente'),
      'data_sessao',     TO_CHAR(ae.inicio_em AT TIME ZONE 'America/Sao_Paulo', 'DD/MM/YYYY'),
      'hora_sessao',     TO_CHAR(ae.inicio_em AT TIME ZONE 'America/Sao_Paulo', 'HH24:MI'),
      'nome_terapeuta',  COALESCE(prof.full_name, 'Terapeuta'),
      'modalidade',      COALESCE(ae.modalidade, 'Presencial'),
      'titulo',          COALESCE(ae.titulo, 'Sess??o')
    ),
    CASE ch.channel
      WHEN 'whatsapp' THEN COALESCE(p.telefone, '')
      WHEN 'sms'      THEN COALESCE(p.telefone, '')
      WHEN 'email'    THEN COALESCE(p.email_principal, '')
    END,
    CASE
      WHEN (ae.inicio_em - (ns.offset_minutes || ' minutes')::interval)::time
           < ns.allowed_time_start
      THEN DATE_TRUNC('day', ae.inicio_em - (ns.offset_minutes || ' minutes')::interval)
           + ns.allowed_time_start
      WHEN (ae.inicio_em - (ns.offset_minutes || ' minutes')::interval)::time
           > ns.allowed_time_end
      THEN DATE_TRUNC('day', ae.inicio_em - (ns.offset_minutes || ' minutes')::interval)
           + ns.allowed_time_start
      ELSE ae.inicio_em - (ns.offset_minutes || ' minutes')::interval
    END,
    ae.id::text || ':' || ns.schedule_key || ':' || ch.channel || ':'
      || ae.inicio_em::date::text
  FROM public.agenda_eventos ae
  JOIN public.patients p ON p.id = ae.patient_id
  LEFT JOIN public.profiles prof ON prof.id = ae.owner_id
  JOIN public.notification_schedules ns
    ON ns.owner_id = ae.owner_id
    AND ns.is_active = true
    AND ns.deleted_at IS NULL
    AND ns.trigger_type = 'before_event'
    AND ns.event_type = 'lembrete_sessao'
  JOIN public.notification_channels nc
    ON nc.owner_id = ae.owner_id
    AND nc.is_active = true
    AND nc.deleted_at IS NULL
  CROSS JOIN LATERAL (
    SELECT 'whatsapp' AS channel WHERE ns.whatsapp_enabled AND nc.channel = 'whatsapp'
    UNION ALL
    SELECT 'email'    AS channel WHERE ns.email_enabled    AND nc.channel = 'email'
    UNION ALL
    SELECT 'sms'      AS channel WHERE ns.sms_enabled      AND nc.channel = 'sms'
  ) ch
  LEFT JOIN public.notification_preferences np
    ON np.patient_id = ae.patient_id
    AND np.owner_id = ae.owner_id
    AND np.deleted_at IS NULL
  WHERE
    ae.inicio_em > now()
    AND ae.inicio_em <= now() + interval '48 hours'
    AND ae.status NOT IN ('cancelado', 'faltou')
    AND CASE ch.channel
          WHEN 'whatsapp' THEN COALESCE(p.telefone, '') != ''
          WHEN 'sms'      THEN COALESCE(p.telefone, '') != ''
          WHEN 'email'    THEN COALESCE(p.email_principal, '') != ''
        END
    AND CASE ch.channel
          WHEN 'whatsapp' THEN COALESCE(np.whatsapp_opt_in, true)
          WHEN 'email'    THEN COALESCE(np.email_opt_in, true)
          WHEN 'sms'      THEN COALESCE(np.sms_opt_in, false)
        END
    AND EXISTS (
      SELECT 1 FROM public.profiles tp
      WHERE tp.id = ae.owner_id
      AND COALESCE(tp.notify_reminders, true) = true
    )
  ON CONFLICT (idempotency_key) DO NOTHING;
END;
$$;

CREATE FUNCTION public.prevent_promoting_to_system() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
begin
  if new.is_system = true and old.is_system is distinct from true then
    raise exception 'N??o ?? permitido transformar um grupo comum em grupo do sistema.';
  end if;
  return new;
end;
$$;

CREATE FUNCTION public.prevent_saas_membership() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
  IF EXISTS (
    SELECT 1
    FROM public.profiles
    WHERE id = NEW.user_id
    AND role = 'saas_admin'
  ) THEN
    RAISE EXCEPTION 'SaaS admin cannot belong to tenant';
  END IF;

  RETURN NEW;
END;
$$;

CREATE FUNCTION public.prevent_system_group_changes() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
begin
  -- Se for grupo do sistema, regras r??gidas:
  if old.is_system = true then

    -- nunca pode deletar
    if tg_op = 'DELETE' then
      raise exception 'Grupos padr??o do sistema n??o podem ser alterados ou exclu??dos.';
    end if;

    if tg_op = 'UPDATE' then
      -- permite SOMENTE mudar tenant_id e/ou updated_at
      -- qualquer mudan??a de conte??do permanece proibida
      if
        new.nome         is distinct from old.nome or
        new.descricao    is distinct from old.descricao or
        new.cor          is distinct from old.cor or
        new.is_active    is distinct from old.is_active or
        new.is_system    is distinct from old.is_system or
        new.owner_id     is distinct from old.owner_id or
        new.therapist_id is distinct from old.therapist_id or
        new.created_at   is distinct from old.created_at
      then
        raise exception 'Grupos padr??o do sistema n??o podem ser alterados ou exclu??dos.';
      end if;

      -- chegou aqui: s?? tenant_id/updated_at mudaram -> ok
      return new;
    end if;

  end if;

  -- n??o-system: deixa passar
  if tg_op = 'DELETE' then
    return old;
  end if;

  return new;
end;
$$;

CREATE FUNCTION public.provision_account_tenant(p_user_id uuid, p_kind text, p_name text DEFAULT NULL::text) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
  v_tenant_id    uuid;
  v_account_type text;
  v_name         text;
BEGIN
  IF p_kind NOT IN ('therapist', 'clinic_coworking', 'clinic_reception', 'clinic_full') THEN
    RAISE EXCEPTION 'kind inv??lido: "%". Use: therapist, clinic_coworking, clinic_reception, clinic_full.', p_kind
      USING ERRCODE = 'P0001';
  END IF;

  v_account_type := CASE WHEN p_kind = 'therapist' THEN 'therapist' ELSE 'clinic' END;

  IF EXISTS (
    SELECT 1
    FROM public.tenant_members tm
    JOIN public.tenants t ON t.id = tm.tenant_id
    WHERE tm.user_id = p_user_id
      AND tm.role = 'tenant_admin'
      AND tm.status = 'active'
      AND t.kind = p_kind
  ) THEN
    RAISE EXCEPTION 'Usu??rio j?? possui um tenant do tipo "%".', p_kind
      USING ERRCODE = 'P0001';
  END IF;

  v_name := COALESCE(
    NULLIF(TRIM(p_name), ''),
    (
      SELECT COALESCE(NULLIF(TRIM(pr.full_name), ''), SPLIT_PART(au.email, '@', 1))
      FROM public.profiles pr
      JOIN auth.users au ON au.id = pr.id
      WHERE pr.id = p_user_id
    ),
    'Conta'
  );

  INSERT INTO public.tenants (name, kind, created_at)
  VALUES (v_name, p_kind, now())
  RETURNING id INTO v_tenant_id;

  INSERT INTO public.tenant_members (tenant_id, user_id, role, status, created_at)
  VALUES (v_tenant_id, p_user_id, 'tenant_admin', 'active', now());

  UPDATE public.profiles
  SET account_type = v_account_type
  WHERE id = p_user_id;

  PERFORM public.seed_determined_commitments(v_tenant_id);

  RETURN v_tenant_id;
END;
$$;

CREATE FUNCTION public.reactivate_subscription(p_subscription_id uuid) RETURNS public.subscriptions
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_sub public.subscriptions;
  v_owner_type text;
  v_owner_ref uuid;
begin

  select *
  into v_sub
  from public.subscriptions
  where id = p_subscription_id
  for update;

  if not found then
    raise exception 'Subscription n??o encontrada';
  end if;

  if v_sub.status = 'active' then
    return v_sub;
  end if;

  if v_sub.tenant_id is not null then
    v_owner_type := 'clinic';
    v_owner_ref := v_sub.tenant_id;
  elsif v_sub.user_id is not null then
    v_owner_type := 'therapist';
    v_owner_ref := v_sub.user_id;
  else
    v_owner_type := null;
    v_owner_ref := null;
  end if;

  update public.subscriptions
  set status = 'active',
      cancel_at_period_end = false,
      updated_at = now()
  where id = p_subscription_id
  returning * into v_sub;

  insert into public.subscription_events(
    subscription_id,
    owner_id,
    owner_type,
    owner_ref,
    event_type,
    old_plan_id,
    new_plan_id,
    created_by,
    reason,
    source,
    metadata
  )
  values (
    v_sub.id,
    v_owner_ref,
    v_owner_type,
    v_owner_ref,
    'reactivated',
    v_sub.plan_id,
    v_sub.plan_id,
    auth.uid(),
    'Reativa????o manual via admin',
    'admin_panel',
    jsonb_build_object('previous_status', 'canceled')
  );

  if v_owner_ref is not null then
    insert into public.entitlements_invalidation(owner_id, changed_at)
    values (v_owner_ref, now())
    on conflict (owner_id)
    do update set changed_at = excluded.changed_at;
  end if;

  return v_sub;

end;
$$;

CREATE FUNCTION public.rebuild_owner_entitlements(p_owner_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_plan_id uuid;
begin
  -- Plano ativo do owner (owner = subscriptions.user_id)
  select s.plan_id
    into v_plan_id
  from public.subscriptions s
  where s.user_id = p_owner_id
    and s.status = 'active'
  order by s.created_at desc
  limit 1;

  -- Sempre zera entitlements do owner (rebuild)
  delete from public.owner_feature_entitlements e
  where e.owner_id = p_owner_id;

  -- Se n??o tem assinatura ativa, acabou
  if v_plan_id is null then
    return;
  end if;

  -- Recria entitlements esperados pelo plano
  insert into public.owner_feature_entitlements (owner_id, feature_key, sources, limits_list)
  select
    p_owner_id as owner_id,
    f.key as feature_key,
    array['plan'::text] as sources,
    '{}'::jsonb as limits_list
  from public.plan_features pf
  join public.features f on f.id = pf.feature_id
  where pf.plan_id = v_plan_id;

end;
$$;

CREATE FUNCTION public.revoke_support_session(p_token text) RETURNS boolean
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_admin_id uuid;
  v_role     text;
BEGIN
  v_admin_id := auth.uid();
  IF v_admin_id IS NULL THEN
    RAISE EXCEPTION 'N??o autenticado.' USING ERRCODE = 'P0001';
  END IF;

  SELECT role INTO v_role FROM public.profiles WHERE id = v_admin_id;
  IF v_role <> 'saas_admin' THEN
    RAISE EXCEPTION 'Acesso negado.' USING ERRCODE = 'P0002';
  END IF;

  DELETE FROM public.support_sessions
   WHERE token = p_token
     AND admin_id = v_admin_id;

  RETURN FOUND;
END;
$$;

CREATE FUNCTION public.rotate_patient_invite_token(p_new_token text) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
declare
  v_uid uuid;
  v_id uuid;
begin
  -- pega o usu??rio logado
  v_uid := auth.uid();
  if v_uid is null then
    raise exception 'Usu??rio n??o autenticado';
  end if;

  -- desativa tokens antigos ativos do usu??rio
  update public.patient_invites
    set active = false
  where owner_id = v_uid
    and active = true;

  -- cria novo token
  insert into public.patient_invites (owner_id, token, active)
  values (v_uid, p_new_token, true)
  returning id into v_id;

  return v_id;
end;
$$;

CREATE FUNCTION public.saas_votar_doc(p_doc_id uuid, p_util boolean) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_uid         uuid := auth.uid();
  v_voto_antigo boolean;
begin
  if v_uid is null then
    raise exception 'N??o autenticado';
  end if;

  -- Verifica se j?? votou
  select util into v_voto_antigo
  from public.saas_doc_votos
  where doc_id = p_doc_id and user_id = v_uid;

  if found then
    -- J?? votou igual ??? cancela o voto (toggle)
    if v_voto_antigo = p_util then
      delete from public.saas_doc_votos
      where doc_id = p_doc_id and user_id = v_uid;

      update public.saas_docs set
        votos_util     = greatest(0, votos_util     - (case when p_util  then 1 else 0 end)),
        votos_nao_util = greatest(0, votos_nao_util - (case when not p_util then 1 else 0 end)),
        updated_at = now()
      where id = p_doc_id;

      return jsonb_build_object('acao', 'removido', 'util', null);
    else
      -- Mudou de voto
      update public.saas_doc_votos set util = p_util, updated_at = now()
      where doc_id = p_doc_id and user_id = v_uid;

      update public.saas_docs set
        votos_util     = greatest(0, votos_util     + (case when p_util  then 1 else -1 end)),
        votos_nao_util = greatest(0, votos_nao_util + (case when not p_util then 1 else -1 end)),
        updated_at = now()
      where id = p_doc_id;

      return jsonb_build_object('acao', 'atualizado', 'util', p_util);
    end if;
  else
    -- Primeiro voto
    insert into public.saas_doc_votos (doc_id, user_id, util)
    values (p_doc_id, v_uid, p_util);

    update public.saas_docs set
      votos_util     = votos_util     + (case when p_util  then 1 else 0 end),
      votos_nao_util = votos_nao_util + (case when not p_util then 1 else 0 end),
      updated_at = now()
    where id = p_doc_id;

    return jsonb_build_object('acao', 'registrado', 'util', p_util);
  end if;
end;
$$;

CREATE FUNCTION public.safe_delete_patient(p_patient_id uuid) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  -- Bloqueia se houver hist??rico
  IF NOT public.can_delete_patient(p_patient_id) THEN
    RETURN jsonb_build_object(
      'ok',      false,
      'error',   'has_history',
      'message', 'Este paciente possui hist??rico cl??nico ou financeiro e n??o pode ser removido. Voc?? pode desativar ou arquivar o paciente.'
    );
  END IF;

  -- Verifica ownership via RLS (owner_id ou responsible_member_id)
  IF NOT EXISTS (
    SELECT 1 FROM public.patients
     WHERE id = p_patient_id
       AND (
         owner_id = auth.uid()
         OR responsible_member_id IN (
           SELECT id FROM public.tenant_members WHERE user_id = auth.uid()
         )
       )
  ) THEN
    RETURN jsonb_build_object(
      'ok',      false,
      'error',   'forbidden',
      'message', 'Sem permiss??o para excluir este paciente.'
    );
  END IF;

  DELETE FROM public.patients WHERE id = p_patient_id;

  RETURN jsonb_build_object('ok', true);
END;
$$;

CREATE FUNCTION public.sanitize_phone_br(raw_phone text) RETURNS text
    LANGUAGE plpgsql IMMUTABLE
    AS $$                                                                           DECLARE digits text;
  BEGIN
    digits := regexp_replace(COALESCE(raw_phone, ''), '[^0-9]', '', 'g');
    IF digits = '' THEN RETURN ''; END IF;
    IF length(digits) = 10 OR length(digits) = 11 THEN
      digits := '55' || digits;
    END IF;
    RETURN digits;
  END; $$;

CREATE FUNCTION public.seed_default_financial_categories(p_user_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
BEGIN
  INSERT INTO public.financial_categories (user_id, name, type, color, icon, sort_order)
  VALUES
    (p_user_id, 'Sess??o',             'receita', '#22c55e', 'pi pi-heart',                    1),
    (p_user_id, 'Supervis??o',         'receita', '#6366f1', 'pi pi-users',                    2),
    (p_user_id, 'Conv??nio',           'receita', '#3b82f6', 'pi pi-building',                 3),
    (p_user_id, 'Grupo terap??utico',  'receita', '#f59e0b', 'pi pi-sitemap',                  4),
    (p_user_id, 'Outro (receita)',    'receita', '#8b5cf6', 'pi pi-plus-circle',              5),
    (p_user_id, 'Aluguel sala',       'despesa', '#ef4444', 'pi pi-home',                     1),
    (p_user_id, 'Plataforma/SaaS',    'despesa', '#f97316', 'pi pi-desktop',                  2),
    (p_user_id, 'Repasse cl??nica',    'despesa', '#64748b', 'pi pi-arrow-right-arrow-left',   3),
    (p_user_id, 'Supervis??o (custo)', 'despesa', '#6366f1', 'pi pi-users',                    4),
    (p_user_id, 'Outro (despesa)',    'despesa', '#94a3b8', 'pi pi-minus-circle',             5)
  ON CONFLICT DO NOTHING;
END;
$$;

CREATE FUNCTION public.seed_default_patient_groups(p_tenant_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_owner_id uuid;
BEGIN
  -- busca o owner (tenant_admin) do tenant
  SELECT user_id INTO v_owner_id
  FROM public.tenant_members
  WHERE tenant_id = p_tenant_id
    AND role = 'tenant_admin'
    AND status = 'active'
  LIMIT 1;

  IF v_owner_id IS NULL THEN
    RETURN;
  END IF;

  INSERT INTO public.patient_groups (owner_id, nome, cor, is_system, tenant_id)
  VALUES
    (v_owner_id, 'Crian??as',     '#60a5fa', true, p_tenant_id),
    (v_owner_id, 'Adolescentes', '#a78bfa', true, p_tenant_id),
    (v_owner_id, 'Idosos',       '#34d399', true, p_tenant_id)
  ON CONFLICT (owner_id, nome) DO NOTHING;
END;
$$;

CREATE FUNCTION public.seed_determined_commitments(p_tenant_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_id uuid;
begin
  -- Sess??o (locked + sempre ativa)
  if not exists (
    select 1 from public.determined_commitments
    where tenant_id = p_tenant_id and is_native = true and native_key = 'session'
  ) then
    insert into public.determined_commitments
      (tenant_id, is_native, native_key, is_locked, active, name, description)
    values
      (p_tenant_id, true, 'session', true, true, 'Sess??o', 'Sess??o com paciente');
  end if;

  -- Leitura
  if not exists (
    select 1 from public.determined_commitments
    where tenant_id = p_tenant_id and is_native = true and native_key = 'reading'
  ) then
    insert into public.determined_commitments
      (tenant_id, is_native, native_key, is_locked, active, name, description)
    values
      (p_tenant_id, true, 'reading', false, true, 'Leitura', 'Praticar leitura');
  end if;

  -- Supervis??o
  if not exists (
    select 1 from public.determined_commitments
    where tenant_id = p_tenant_id and is_native = true and native_key = 'supervision'
  ) then
    insert into public.determined_commitments
      (tenant_id, is_native, native_key, is_locked, active, name, description)
    values
      (p_tenant_id, true, 'supervision', false, true, 'Supervis??o', 'Supervis??o');
  end if;

  -- Aula ??? (corrigido)
  if not exists (
    select 1 from public.determined_commitments
    where tenant_id = p_tenant_id and is_native = true and native_key = 'class'
  ) then
    insert into public.determined_commitments
      (tenant_id, is_native, native_key, is_locked, active, name, description)
    values
      (p_tenant_id, true, 'class', false, false, 'Aula', 'Dar aula');
  end if;

  -- An??lise pessoal
  if not exists (
    select 1 from public.determined_commitments
    where tenant_id = p_tenant_id and is_native = true and native_key = 'analysis'
  ) then
    insert into public.determined_commitments
      (tenant_id, is_native, native_key, is_locked, active, name, description)
    values
      (p_tenant_id, true, 'analysis', false, true, 'An??lise Pessoal', 'Minha an??lise pessoal');
  end if;

  -- -------------------------------------------------------
  -- Campos padr??o (idempotentes por (commitment_id, key))
  -- -------------------------------------------------------

  -- Leitura
  select id into v_id
  from public.determined_commitments
  where tenant_id = p_tenant_id and is_native = true and native_key = 'reading'
  limit 1;

  if v_id is not null then
    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'book') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'book', 'Livro', 'text', false, 10);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'author') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'author', 'Autor', 'text', false, 20);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'notes') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'notes', 'Observa????o', 'textarea', false, 30);
    end if;
  end if;

  -- Supervis??o
  select id into v_id
  from public.determined_commitments
  where tenant_id = p_tenant_id and is_native = true and native_key = 'supervision'
  limit 1;

  if v_id is not null then
    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'supervisor') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'supervisor', 'Supervisor', 'text', false, 10);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'topic') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'topic', 'Assunto', 'text', false, 20);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'notes') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'notes', 'Observa????o', 'textarea', false, 30);
    end if;
  end if;

  -- Aula
  select id into v_id
  from public.determined_commitments
  where tenant_id = p_tenant_id and is_native = true and native_key = 'class'
  limit 1;

  if v_id is not null then
    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'theme') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'theme', 'Tema', 'text', false, 10);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'group') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'group', 'Turma', 'text', false, 20);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'notes') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'notes', 'Observa????o', 'textarea', false, 30);
    end if;
  end if;

  -- An??lise
  select id into v_id
  from public.determined_commitments
  where tenant_id = p_tenant_id and is_native = true and native_key = 'analysis'
  limit 1;

  if v_id is not null then
    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'analyst') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'analyst', 'Analista', 'text', false, 10);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'focus') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'focus', 'Foco', 'text', false, 20);
    end if;

    if not exists (select 1 from public.determined_commitment_fields where commitment_id = v_id and key = 'notes') then
      insert into public.determined_commitment_fields (tenant_id, commitment_id, key, label, field_type, required, sort_order)
      values (p_tenant_id, v_id, 'notes', 'Observa????o', 'textarea', false, 30);
    end if;
  end if;
end;
$$;

CREATE FUNCTION public.set_insurance_plans_updated_at() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN NEW.updated_at = now(); RETURN NEW; END; $$;

CREATE FUNCTION public.set_medicos_updated_at() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
    NEW.updated_at = now();
    RETURN NEW;
END;
$$;

CREATE FUNCTION public.set_owner_id() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
begin
  if new.owner_id is null then
    new.owner_id := auth.uid();
  end if;
  return new;
end;
$$;

CREATE FUNCTION public.set_services_updated_at() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
  NEW.updated_at = now();
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.set_tenant_feature_exception(p_tenant_id uuid, p_feature_key text, p_enabled boolean, p_reason text DEFAULT NULL::text) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
begin
  -- ??? S?? owner ou admin do tenant podem alterar features
  if not exists (
    select 1 from public.tenant_members
    where tenant_id = p_tenant_id
      and user_id = auth.uid()
      and role in ('owner', 'admin')
      and status = 'active'
  ) then
    raise exception 'Acesso negado: apenas owner/admin pode alterar features do tenant.';
  end if;

  insert into public.tenant_features (tenant_id, feature_key, enabled)
  values (p_tenant_id, p_feature_key, p_enabled)
  on conflict (tenant_id, feature_key)
  do update set enabled = excluded.enabled;

  insert into public.tenant_feature_exceptions_log (
    tenant_id, feature_key, enabled, reason, created_by
  ) values (
    p_tenant_id, p_feature_key, p_enabled, p_reason, auth.uid()
  );
end;
$$;

CREATE FUNCTION public.set_updated_at() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
  NEW.updated_at = now();
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.set_updated_at_recurrence() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN NEW.updated_at = now(); RETURN NEW; END;
$$;

CREATE FUNCTION public.split_recurrence_at(p_recurrence_id uuid, p_from_date date) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_old   public.recurrence_rules;
  v_new_id uuid;
BEGIN
  -- busca a regra original
  SELECT * INTO v_old
  FROM public.recurrence_rules
  WHERE id = p_recurrence_id;

  IF NOT FOUND THEN
    RAISE EXCEPTION 'recurrence_rule % n??o encontrada', p_recurrence_id;
  END IF;

  -- encerra a regra antiga na data anterior
  UPDATE public.recurrence_rules
  SET
    end_date   = p_from_date - INTERVAL '1 day',
    open_ended = false,
    updated_at = now()
  WHERE id = p_recurrence_id;

  -- cria nova regra a partir de p_from_date
  INSERT INTO public.recurrence_rules (
    tenant_id, owner_id, therapist_id, patient_id,
    determined_commitment_id, type, interval, weekdays,
    start_time, end_time, timezone, duration_min,
    start_date, end_date, max_occurrences, open_ended,
    modalidade, titulo_custom, observacoes, extra_fields, status
  )
  SELECT
    tenant_id, owner_id, therapist_id, patient_id,
    determined_commitment_id, type, interval, weekdays,
    start_time, end_time, timezone, duration_min,
    p_from_date, v_old.end_date, v_old.max_occurrences, v_old.open_ended,
    modalidade, titulo_custom, observacoes, extra_fields, status
  FROM public.recurrence_rules
  WHERE id = p_recurrence_id
  RETURNING id INTO v_new_id;

  RETURN v_new_id;
END;
$$;

CREATE FUNCTION public.subscription_intents_view_insert() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_target text;
  v_plan_id uuid;
begin
  select p.id, p.target into v_plan_id, v_target
  from public.plans p
  where p.key = new.plan_key;

  if v_plan_id is null then
    raise exception 'Plano inv??lido: plan_key=%', new.plan_key;
  end if;

  if lower(v_target) = 'clinic' then
    if new.tenant_id is null then
      raise exception 'Inten????o clinic exige tenant_id.';
    end if;

    insert into public.subscription_intents_tenant (
      id, tenant_id, created_by_user_id, email,
      plan_id, plan_key, interval, amount_cents, currency,
      status, source, notes, created_at, paid_at
    ) values (
      coalesce(new.id, gen_random_uuid()),
      new.tenant_id, new.created_by_user_id, new.email,
      v_plan_id, new.plan_key, coalesce(new.interval,'month'),
      new.amount_cents, coalesce(new.currency,'BRL'),
      coalesce(new.status,'pending'), coalesce(new.source,'manual'),
      new.notes, coalesce(new.created_at, now()), new.paid_at
    );

    new.plan_target := 'clinic';
    return new;
  end if;

  -- therapist ou supervisor ??? tabela personal
  if lower(v_target) in ('therapist', 'supervisor') then
    insert into public.subscription_intents_personal (
      id, user_id, created_by_user_id, email,
      plan_id, plan_key, interval, amount_cents, currency,
      status, source, notes, created_at, paid_at
    ) values (
      coalesce(new.id, gen_random_uuid()),
      new.user_id, new.created_by_user_id, new.email,
      v_plan_id, new.plan_key, coalesce(new.interval,'month'),
      new.amount_cents, coalesce(new.currency,'BRL'),
      coalesce(new.status,'pending'), coalesce(new.source,'manual'),
      new.notes, coalesce(new.created_at, now()), new.paid_at
    );

    new.plan_target := lower(v_target); -- 'therapist' ou 'supervisor'
    return new;
  end if;

  raise exception 'Target de plano n??o suportado: %', v_target;
end;
$$;

CREATE FUNCTION public.subscriptions_validate_scope() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
DECLARE
  v_target text;
BEGIN
  SELECT lower(p.target) INTO v_target
  FROM public.plans p
  WHERE p.id = NEW.plan_id;

  IF v_target IS NULL THEN
    RAISE EXCEPTION 'Plano inv??lido (target nulo).';
  END IF;

  IF v_target = 'clinic' THEN
    IF NEW.tenant_id IS NULL THEN
      RAISE EXCEPTION 'Assinatura clinic exige tenant_id.';
    END IF;
    IF NEW.user_id IS NOT NULL THEN
      RAISE EXCEPTION 'Assinatura clinic n??o pode ter user_id (XOR).';
    END IF;

  ELSIF v_target IN ('therapist', 'supervisor') THEN
    -- supervisor ?? pessoal como therapist
    IF NEW.tenant_id IS NOT NULL THEN
      RAISE EXCEPTION 'Assinatura % n??o deve ter tenant_id.', v_target;
    END IF;
    IF NEW.user_id IS NULL THEN
      RAISE EXCEPTION 'Assinatura % exige user_id.', v_target;
    END IF;

  ELSIF v_target = 'patient' THEN
    IF NEW.tenant_id IS NOT NULL THEN
      RAISE EXCEPTION 'Assinatura patient n??o deve ter tenant_id.';
    END IF;
    IF NEW.user_id IS NULL THEN
      RAISE EXCEPTION 'Assinatura patient exige user_id.';
    END IF;

  ELSE
    RAISE EXCEPTION 'Target de plano inv??lido: %', v_target;
  END IF;

  RETURN NEW;
END;
$$;

CREATE FUNCTION public.sync_busy_mirror_agenda_eventos() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
declare
  clinic_tenant uuid;
  is_personal boolean;
  should_mirror boolean;
begin
  -- Anti-recurs??o: espelho n??o espelha
  if (tg_op <> 'DELETE') then
    if new.mirror_of_event_id is not null then
      return new;
    end if;
  else
    if old.mirror_of_event_id is not null then
      return old;
    end if;
  end if;

  -- Define se ?? pessoal e se deve espelhar
  if (tg_op = 'DELETE') then
    is_personal := (old.tenant_id = old.owner_id);
    should_mirror := (old.visibility_scope in ('busy_only','private'));
  else
    is_personal := (new.tenant_id = new.owner_id);
    should_mirror := (new.visibility_scope in ('busy_only','private'));
  end if;

  -- Se n??o ?? pessoal, n??o faz nada
  if not is_personal then
    if (tg_op = 'DELETE') then
      return old;
    end if;
    return new;
  end if;

  -- DELETE: remove espelhos existentes
  if (tg_op = 'DELETE') then
    delete from public.agenda_eventos e
    where e.mirror_of_event_id = old.id
      and e.mirror_source = 'personal_busy_mirror';

    return old;
  end if;

  -- INSERT/UPDATE:
  -- Se n??o deve espelhar, remove espelhos e sai
  if not should_mirror then
    delete from public.agenda_eventos e
    where e.mirror_of_event_id = new.id
      and e.mirror_source = 'personal_busy_mirror';

    return new;
  end if;

  -- Para cada cl??nica onde o usu??rio ?? therapist active, cria/atualiza o "Ocupado"
  for clinic_tenant in
    select tm.tenant_id
    from public.tenant_members tm
    where tm.user_id = new.owner_id
      and tm.role = 'therapist'
      and tm.status = 'active'
      and tm.tenant_id <> new.owner_id
  loop
    insert into public.agenda_eventos (
      tenant_id,
      owner_id,
      terapeuta_id,
      paciente_id,
      tipo,
      status,
      titulo,
      observacoes,
      inicio_em,
      fim_em,
      mirror_of_event_id,
      mirror_source,
      visibility_scope,
      created_at,
      updated_at
    ) values (
      clinic_tenant,
      new.owner_id,
      new.owner_id,
      null,
      'bloqueio'::public.tipo_evento_agenda,
      'agendado'::public.status_evento_agenda,
      'Ocupado',
      null,
      new.inicio_em,
      new.fim_em,
      new.id,
      'personal_busy_mirror',
      'public',
      now(),
      now()
    )
    on conflict (tenant_id, mirror_of_event_id) where mirror_of_event_id is not null
    do update set
      owner_id = excluded.owner_id,
      terapeuta_id = excluded.terapeuta_id,
      tipo = excluded.tipo,
      status = excluded.status,
      titulo = excluded.titulo,
      observacoes = excluded.observacoes,
      inicio_em = excluded.inicio_em,
      fim_em = excluded.fim_em,
      updated_at = now();
  end loop;

  -- Limpa espelhos de cl??nicas onde o v??nculo therapist active n??o existe mais
  delete from public.agenda_eventos e
  where e.mirror_of_event_id = new.id
    and e.mirror_source = 'personal_busy_mirror'
    and not exists (
      select 1
      from public.tenant_members tm
      where tm.user_id = new.owner_id
        and tm.role = 'therapist'
        and tm.status = 'active'
        and tm.tenant_id = e.tenant_id
    );

  return new;
end;
$$;

CREATE FUNCTION public.sync_overdue_financial_records() RETURNS integer
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_count integer;
BEGIN
  UPDATE public.financial_records
  SET
    status     = 'overdue',
    updated_at = NOW()
  WHERE status     = 'pending'
    AND due_date   IS NOT NULL
    AND due_date   < CURRENT_DATE
    AND deleted_at IS NULL;

  GET DIAGNOSTICS v_count = ROW_COUNT;
  RETURN v_count;
END;
$$;

CREATE FUNCTION public.tenant_accept_invite(p_token uuid) RETURNS jsonb
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public', 'auth'
    AS $$
declare
  v_uid uuid;
  v_email text;
  v_invite public.tenant_invites%rowtype;
begin
  -- 1) precisa estar autenticado
  v_uid := auth.uid();
  if v_uid is null then
    raise exception 'not_authenticated' using errcode = 'P0001';
  end if;

  -- 2) pega email real do usu??rio logado sem depender do JWT claim
  select u.email
    into v_email
  from auth.users u
  where u.id = v_uid;

  if v_email is null or length(trim(v_email)) = 0 then
    raise exception 'missing_user_email' using errcode = 'P0001';
  end if;

  -- 3) carrega o invite e trava linha (evita 2 aceites concorrentes)
  select *
    into v_invite
  from public.tenant_invites i
  where i.token = p_token
  for update;

  if not found then
    raise exception 'invite_not_found' using errcode = 'P0001';
  end if;

  -- 4) valida????es de estado
  if v_invite.revoked_at is not null then
    raise exception 'invite_revoked' using errcode = 'P0001';
  end if;

  if v_invite.accepted_at is not null then
    raise exception 'invite_already_accepted' using errcode = 'P0001';
  end if;

  if v_invite.expires_at is not null and v_invite.expires_at <= now() then
    raise exception 'invite_expired' using errcode = 'P0001';
  end if;

  -- 5) valida email (case-insensitive)
  if lower(trim(v_invite.email)) <> lower(trim(v_email)) then
    raise exception 'email_mismatch' using errcode = 'P0001';
  end if;

  -- 6) consome o invite
  update public.tenant_invites
  set accepted_at = now(),
      accepted_by = v_uid
  where id = v_invite.id;

  -- 7) cria ou reativa o membership
  insert into public.tenant_members (tenant_id, user_id, role, status, created_at)
  values (v_invite.tenant_id, v_uid, v_invite.role, 'active', now())
  on conflict (tenant_id, user_id)
  do update set
    role = excluded.role,
    status = 'active';

  -- 8) retorno ??til pro front (voc?? j?? tenta ler tenant_id no AcceptInvitePage)
  return jsonb_build_object(
    'ok', true,
    'tenant_id', v_invite.tenant_id,
    'role', v_invite.role
  );
end;
$$;

CREATE FUNCTION public.tenant_add_member_by_email(p_tenant_id uuid, p_email text, p_role text DEFAULT 'therapist'::text) RETURNS public.tenant_members
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public', 'auth'
    AS $$
declare
  v_target_uid uuid;
  v_member public.tenant_members%rowtype;
  v_is_admin boolean;
  v_email text;
begin
  if p_tenant_id is null then
    raise exception 'tenant_id ?? obrigat??rio';
  end if;

  v_email := lower(trim(coalesce(p_email, '')));
  if v_email = '' then
    raise exception 'email ?? obrigat??rio';
  end if;

  -- valida role permitida
  if p_role not in ('tenant_admin','therapist','secretary','patient') then
    raise exception 'role inv??lida: %', p_role;
  end if;

  -- apenas admin do tenant (role real no banco)
  select exists (
    select 1
    from public.tenant_members tm
    where tm.tenant_id = p_tenant_id
      and tm.user_id = auth.uid()
      and tm.role = 'tenant_admin'
      and coalesce(tm.status,'active') = 'active'
  ) into v_is_admin;

  if not v_is_admin then
    raise exception 'sem permiss??o: apenas admin da cl??nica pode adicionar membros';
  end if;

  -- acha usu??rio pelo e-mail no Supabase Auth
  select u.id
  into v_target_uid
  from auth.users u
  where lower(u.email) = v_email
  limit 1;

  if v_target_uid is null then
    raise exception 'nenhum usu??rio encontrado com este e-mail';
  end if;

  -- cria ou reativa membro
  insert into public.tenant_members (tenant_id, user_id, role, status)
  values (p_tenant_id, v_target_uid, p_role, 'active')
  on conflict (tenant_id, user_id)
  do update set
    role = excluded.role,
    status = 'active'
  returning * into v_member;

  return v_member;
end;
$$;

CREATE FUNCTION public.tenant_feature_allowed(p_tenant_id uuid, p_feature_key text) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  select exists (
    select 1
    from public.v_tenant_entitlements v
    where v.tenant_id = p_tenant_id
      and v.feature_key = p_feature_key
      and coalesce(v.allowed, false) = true
  );
$$;

CREATE FUNCTION public.tenant_feature_enabled(p_tenant_id uuid, p_feature_key text) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  select coalesce(
    (select tf.enabled
     from public.tenant_features tf
     where tf.tenant_id = p_tenant_id and tf.feature_key = p_feature_key),
    false
  );
$$;

CREATE FUNCTION public.tenant_features_guard_with_plan() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
declare
  v_allowed boolean;
begin
  -- s?? valida quando est?? habilitando
  if new.enabled is distinct from true then
    return new;
  end if;

  -- permitido pelo plano do tenant?
  select exists (
    select 1
    from public.v_tenant_entitlements_full v
    where v.tenant_id = new.tenant_id
      and v.feature_key = new.feature_key
      and v.allowed = true
  )
  into v_allowed;

  if not v_allowed then
    raise exception 'Feature % n??o permitida pelo plano atual do tenant %.',
      new.feature_key, new.tenant_id
      using errcode = 'P0001';
  end if;

  return new;
end;
$$;

CREATE FUNCTION public.tenant_has_feature(_tenant_id uuid, _feature text) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  select
    exists (
      select 1
      from public.v_tenant_entitlements e
      where e.tenant_id = _tenant_id
        and e.feature_key = _feature
        and e.allowed = true
    )
    or exists (
      select 1
      from public.tenant_features tf
      where tf.tenant_id = _tenant_id
        and tf.feature_key = _feature
        and tf.enabled = true
    );
$$;

CREATE FUNCTION public.tenant_invite_member_by_email(p_tenant_id uuid, p_email text, p_role text) RETURNS uuid
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public', 'auth'
    AS $$
declare
  v_email text;
  v_my_email text;
  v_token uuid;
  v_updated int;
begin
  -- valida????es b??sicas
  if p_tenant_id is null then
    raise exception 'tenant_id inv??lido' using errcode = 'P0001';
  end if;

  v_email := lower(trim(coalesce(p_email, '')));
  if v_email = '' then
    raise exception 'Informe um email' using errcode = 'P0001';
  end if;

  -- role permitido (ajuste se quiser)
  if p_role is null or p_role not in ('therapist', 'secretary') then
    raise exception 'Role inv??lido (use therapist/secretary)' using errcode = 'P0001';
  end if;

  -- ??? bloqueio: auto-convite
  v_my_email := public.get_my_email();
  if v_my_email is not null and v_email = v_my_email then
    raise exception 'Voc?? n??o pode convidar o seu pr??prio email.' using errcode = 'P0001';
  end if;

  -- ??? bloqueio: j?? ?? membro ativo do tenant
  if exists (
    select 1
    from tenant_members tm
    join auth.users au on au.id = tm.user_id
    where tm.tenant_id = p_tenant_id
      and tm.status = 'active'
      and lower(au.email) = v_email
  ) then
    raise exception 'Este email j?? est?? vinculado a esta cl??nica.' using errcode = 'P0001';
  end if;

  -- ??? permiss??o: s?? admin do tenant pode convidar
  if not exists (
    select 1
    from tenant_members me
    where me.tenant_id = p_tenant_id
      and me.user_id = auth.uid()
      and me.status = 'active'
      and me.role in ('tenant_admin','clinic_admin')
  ) then
    raise exception 'Sem permiss??o para convidar membros.' using errcode = 'P0001';
  end if;

  -- Gera token (reenvio simples / regenera????o)
  v_token := gen_random_uuid();

  -- 1) tenta "regerar" um convite pendente existente (mesmo email)
  update tenant_invites
     set token = v_token,
         role = p_role,
         created_at = now(),
         expires_at = now() + interval '7 days',
         accepted_at = null,
         revoked_at = null
   where tenant_id = p_tenant_id
     and lower(email) = v_email
     and accepted_at is null
     and revoked_at is null;

  get diagnostics v_updated = row_count;

  -- 2) se n??o atualizou nada, cria convite novo
  if v_updated = 0 then
    insert into tenant_invites (tenant_id, email, role, token, created_at, expires_at)
    values (p_tenant_id, v_email, p_role, v_token, now(), now() + interval '7 days');
  end if;

  return v_token;
end;
$$;

CREATE FUNCTION public.tenant_reactivate_member(p_tenant_id uuid, p_member_user_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    SET row_security TO 'off'
    AS $$
begin
  if auth.uid() is null then
    raise exception 'not_authenticated';
  end if;

  if not public.is_tenant_admin(p_tenant_id) then
    raise exception 'not_allowed';
  end if;

  update public.tenant_members
     set status = 'active'
   where tenant_id = p_tenant_id
     and user_id = p_member_user_id;

  if not found then
    raise exception 'membership_not_found';
  end if;
end;
$$;

CREATE FUNCTION public.tenant_remove_member(p_tenant_id uuid, p_member_user_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    SET row_security TO 'off'
    AS $$
declare
  v_role text;
begin
  if auth.uid() is null then
    raise exception 'not_authenticated';
  end if;

  if not public.is_tenant_admin(p_tenant_id) then
    raise exception 'not_allowed';
  end if;

  if p_member_user_id = auth.uid() then
    raise exception 'cannot_remove_self';
  end if;

  -- pega role atual do membro (se n??o existir, erro)
  select role into v_role
  from public.tenant_members
  where tenant_id = p_tenant_id
    and user_id = p_member_user_id;

  if v_role is null then
    raise exception 'membership_not_found';
  end if;

  -- trava: se for therapist, n??o pode remover com eventos futuros
  if v_role = 'therapist' then
    if exists (
      select 1
      from public.agenda_eventos e
      where e.owner_id = p_tenant_id
        and e.terapeuta_id = p_member_user_id
        and e.inicio_em >= now()
        and e.status::text not in ('cancelado','cancelled','canceled')
      limit 1
    ) then
      raise exception 'cannot_remove_therapist_with_future_events';
    end if;
  end if;

  update public.tenant_members
     set status = 'inactive'
   where tenant_id = p_tenant_id
     and user_id = p_member_user_id;

  if not found then
    raise exception 'membership_not_found';
  end if;
end;
$$;

CREATE FUNCTION public.tenant_remove_member_soft(p_tenant_id uuid, p_member_user_id uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    SET row_security TO 'off'
    AS $$
begin
  if auth.uid() is null then
    raise exception 'not_authenticated';
  end if;

  if not public.is_tenant_admin(p_tenant_id) then
    raise exception 'not_allowed';
  end if;

  if p_member_user_id = auth.uid() then
    raise exception 'cannot_remove_self';
  end if;

  update public.tenant_members
     set status = 'inactive'
   where tenant_id = p_tenant_id
     and user_id = p_member_user_id;

  if not found then
    raise exception 'membership_not_found';
  end if;
end;
$$;

CREATE FUNCTION public.tenant_revoke_invite(p_tenant_id uuid, p_email text, p_role text) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    SET row_security TO 'off'
    AS $$
declare
  v_email text;
begin
  if auth.uid() is null then
    raise exception 'not_authenticated';
  end if;

  if not public.is_tenant_admin(p_tenant_id) then
    raise exception 'not_allowed';
  end if;

  v_email := lower(trim(p_email));

  update public.tenant_invites
     set revoked_at = now(),
         revoked_by = auth.uid()
   where tenant_id = p_tenant_id
     and lower(email) = v_email
     and role = p_role
     and accepted_at is null
     and revoked_at is null;

  if not found then
    raise exception 'invite_not_found';
  end if;
end;
$$;

CREATE FUNCTION public.tenant_set_member_status(p_tenant_id uuid, p_member_user_id uuid, p_new_status text) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    SET row_security TO 'off'
    AS $$
begin
  if auth.uid() is null then
    raise exception 'not_authenticated';
  end if;

  -- valida status (adapte aos seus valores reais)
  if p_new_status not in ('active','inactive','suspended','invited') then
    raise exception 'invalid_status: %', p_new_status;
  end if;

  if not public.is_tenant_admin(p_tenant_id) then
    raise exception 'not_allowed';
  end if;

  -- evita desativar a si mesmo (opcional)
  if p_member_user_id = auth.uid() and p_new_status <> 'active' then
    raise exception 'cannot_disable_self';
  end if;

  update public.tenant_members
     set status = p_new_status
   where tenant_id = p_tenant_id
     and user_id = p_member_user_id;

  if not found then
    raise exception 'membership_not_found';
  end if;
end;
$$;

CREATE FUNCTION public.tenant_update_member_role(p_tenant_id uuid, p_member_user_id uuid, p_new_role text) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    SET row_security TO 'off'
    AS $$
begin
  -- exige auth
  if auth.uid() is null then
    raise exception 'not_authenticated';
  end if;

  -- valida role
  if p_new_role not in ('tenant_admin','therapist','secretary','patient') then
    raise exception 'invalid_role: %', p_new_role;
  end if;

  -- somente tenant_admin ativo pode alterar role
  if not public.is_tenant_admin(p_tenant_id) then
    raise exception 'not_allowed';
  end if;

  -- evita o admin remover o pr??prio admin sem querer (opcional mas recomendado)
  if p_member_user_id = auth.uid() and p_new_role <> 'tenant_admin' then
    raise exception 'cannot_demote_self';
  end if;

  update public.tenant_members
     set role = p_new_role
   where tenant_id = p_tenant_id
     and user_id = p_member_user_id;

  if not found then
    raise exception 'membership_not_found';
  end if;
end;
$$;

CREATE FUNCTION public.toggle_plan(owner uuid) RETURNS void
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  current_key text;
  new_key text;
begin
  select p.key into current_key
  from subscriptions s
  join plans p on p.id = s.plan_id
  where s.owner_id = owner
    and s.status = 'active';

  new_key := case
    when current_key = 'pro' then 'free'
    else 'pro'
  end;

  update subscriptions s
  set plan_id = p.id
  from plans p
  where p.key = new_key
    and s.owner_id = owner
    and s.status = 'active';
end;
$$;

CREATE FUNCTION public.transition_subscription(p_subscription_id uuid, p_to_status text, p_reason text DEFAULT NULL::text, p_metadata jsonb DEFAULT NULL::jsonb) RETURNS public.subscriptions
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
declare
  v_sub public.subscriptions;
  v_uid uuid;
  v_is_allowed boolean := false;
begin
  v_uid := auth.uid();

  select *
    into v_sub
  from public.subscriptions
  where id = p_subscription_id;

  if not found then
    raise exception 'Assinatura n??o encontrada';
  end if;

  -- =====================================================
  -- ???? BLOCO DE AUTORIZA????O
  -- =====================================================

  -- 1) SaaS admin pode tudo
  if is_saas_admin() then
    v_is_allowed := true;
  end if;

  -- 2) Assinatura pessoal (therapist)
  if not v_is_allowed
     and v_sub.tenant_id is null
     and v_sub.user_id = v_uid then
    v_is_allowed := true;
  end if;

  -- 3) Assinatura de clinic (tenant)
  if not v_is_allowed
     and v_sub.tenant_id is not null then

    if exists (
      select 1
      from public.tenant_members tm
      where tm.tenant_id = v_sub.tenant_id
        and tm.user_id = v_uid
        and tm.status = 'active'
        and tm.role = 'tenant_admin'
    ) then
      v_is_allowed := true;
    end if;

  end if;

  if not v_is_allowed then
    raise exception 'Sem permiss??o para transicionar esta assinatura';
  end if;

  -- =====================================================
  -- ???? TRANSI????O
  -- =====================================================

  update public.subscriptions
  set status = p_to_status,
      updated_at = now(),
      cancelled_at = case when p_to_status = 'cancelled' then now() else cancelled_at end,
      suspended_at = case when p_to_status = 'suspended' then now() else suspended_at end,
      past_due_since = case when p_to_status = 'past_due' then now() else past_due_since end,
      expired_at = case when p_to_status = 'expired' then now() else expired_at end,
      activated_at = case when p_to_status = 'active' then now() else activated_at end
  where id = p_subscription_id
  returning * into v_sub;

  -- =====================================================
  -- ???? EVENT LOG
  -- =====================================================

  insert into public.subscription_events (
    subscription_id,
    owner_id,
    event_type,
    created_at,
    created_by,
    source,
    reason,
    metadata,
    owner_type,
    owner_ref
  )
  values (
    v_sub.id,
    coalesce(v_sub.tenant_id, v_sub.user_id),
    'status_changed',
    now(),
    v_uid,
    'manual_transition',
    p_reason,
    p_metadata,
    case when v_sub.tenant_id is not null then 'tenant' else 'personal' end,
    coalesce(v_sub.tenant_id, v_sub.user_id)
  );

  return v_sub;
end;
$$;

CREATE FUNCTION public.trg_fn_financial_records_auto_overdue() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
BEGIN
  IF NEW.status = 'pending'
    AND NEW.due_date IS NOT NULL
    AND NEW.due_date < CURRENT_DATE
  THEN
    NEW.status := 'overdue';
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.trg_fn_patient_risco_timeline() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  IF OLD.risco_elevado IS DISTINCT FROM NEW.risco_elevado THEN
    INSERT INTO public.patient_timeline (
      patient_id, tenant_id,
      evento_tipo, titulo, descricao, icone_cor,
      gerado_por, ocorrido_em
    ) VALUES (
      NEW.id, NEW.tenant_id,
      CASE WHEN NEW.risco_elevado THEN 'risco_sinalizado' ELSE 'risco_removido' END,
      CASE WHEN NEW.risco_elevado THEN 'Risco elevado sinalizado' ELSE 'Sinalização de risco removida' END,
      NEW.risco_nota,
      CASE WHEN NEW.risco_elevado THEN 'red' ELSE 'green' END,
      auth.uid(),
      now()
    );
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.trg_fn_patient_status_history() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  IF (TG_OP = 'INSERT') OR (OLD.status IS DISTINCT FROM NEW.status) THEN
    INSERT INTO public.patient_status_history (
      patient_id, tenant_id,
      status_anterior, status_novo,
      motivo, encaminhado_para, data_saida,
      alterado_por, alterado_em
    ) VALUES (
      NEW.id, NEW.tenant_id,
      CASE WHEN TG_OP = 'INSERT' THEN NULL ELSE OLD.status END,
      NEW.status,
      NEW.motivo_saida,
      NEW.encaminhado_para,
      NEW.data_saida,
      auth.uid(),
      now()
    );
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.trg_fn_patient_status_timeline() RETURNS trigger
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
BEGIN
  IF (TG_OP = 'INSERT') OR (OLD.status IS DISTINCT FROM NEW.status) THEN
    INSERT INTO public.patient_timeline (
      patient_id, tenant_id,
      evento_tipo, titulo, descricao, icone_cor,
      gerado_por, ocorrido_em
    ) VALUES (
      NEW.id, NEW.tenant_id,
      'status_alterado',
      'Status alterado para ' || NEW.status,
      CASE
        WHEN TG_OP = 'INSERT' THEN 'Paciente cadastrado'
        ELSE 'De ' || OLD.status || ' → ' || NEW.status ||
             CASE WHEN NEW.motivo_saida IS NOT NULL THEN ' · ' || NEW.motivo_saida ELSE '' END
      END,
      CASE NEW.status
        WHEN 'Ativo'        THEN 'green'
        WHEN 'Alta'         THEN 'blue'
        WHEN 'Inativo'      THEN 'gray'
        WHEN 'Encaminhado'  THEN 'amber'
        WHEN 'Arquivado'    THEN 'gray'
        ELSE 'gray'
      END,
      auth.uid(),
      now()
    );
  END IF;
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.trg_set_updated_at() RETURNS trigger
    LANGUAGE plpgsql
    AS $$                                                                                                   BEGIN
    NEW.updated_at = now();
    RETURN NEW;
  END;
  $$;

CREATE FUNCTION public.unstick_notification_queue() RETURNS integer
    LANGUAGE plpgsql SECURITY DEFINER
    AS $$
DECLARE
  v_unstuck integer;
BEGIN
  UPDATE public.notification_queue
  SET status = 'pendente',
      attempts = attempts + 1,
      last_error = 'Timeout: preso em processando por >10min',
      next_retry_at = now() + interval '2 minutes'
  WHERE status = 'processando'
    AND updated_at < now() - interval '10 minutes';

  GET DIAGNOSTICS v_unstuck = ROW_COUNT;
  RETURN v_unstuck;
END;
$$;

CREATE FUNCTION public.update_payment_settings_updated_at() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
  NEW.updated_at = now();
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.update_professional_pricing_updated_at() RETURNS trigger
    LANGUAGE plpgsql
    AS $$
BEGIN
  NEW.updated_at = now();
  RETURN NEW;
END;
$$;

CREATE FUNCTION public.user_has_feature(_user_id uuid, _feature text) RETURNS boolean
    LANGUAGE sql STABLE
    AS $$
  select exists (
    select 1
    from public.v_user_entitlements e
    where e.user_id = _user_id
      and e.feature_key = _feature
      and e.allowed = true
  );
$$;

CREATE FUNCTION public.validate_support_session(p_token text) RETURNS json
    LANGUAGE plpgsql SECURITY DEFINER
    SET search_path TO 'public'
    AS $$
DECLARE
  v_session support_sessions;
BEGIN
  IF p_token IS NULL OR length(trim(p_token)) < 32 THEN
    RETURN json_build_object('valid', false, 'tenant_id', null);
  END IF;

  SELECT * INTO v_session
    FROM public.support_sessions
   WHERE token = p_token
     AND expires_at > now()
   LIMIT 1;

  IF NOT FOUND THEN
    RETURN json_build_object('valid', false, 'tenant_id', null);
  END IF;

  RETURN json_build_object(
    'valid',     true,
    'tenant_id', v_session.tenant_id
  );
END;
$$;

CREATE FUNCTION public.whoami() RETURNS TABLE(uid uuid, role text)
    LANGUAGE sql STABLE
    AS $$
  select auth.uid() as uid, auth.role() as role;
$$;