--liquibase formatted sql
-- PANELS · core · bono, descuentos, horas y días festivos

--changeset panel:core-044a-payroll-adjustments endDelimiter:; splitStatements:true
CREATE TABLE IF NOT EXISTS core.holidays (
  id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
  tenant_id INTEGER NOT NULL,
  holiday_date DATE NOT NULL,
  name TEXT NOT NULL,
  UNIQUE (tenant_id, holiday_date)
);
ALTER TABLE core.holidays ENABLE ROW LEVEL SECURITY;
DROP POLICY IF EXISTS tenant_isolation ON core.holidays;
CREATE POLICY tenant_isolation ON core.holidays
  USING (tenant_id = NULLIF(current_setting('app.tenant_id', true), '')::integer)
  WITH CHECK (tenant_id = NULLIF(current_setting('app.tenant_id', true), '')::integer);
GRANT SELECT, INSERT, UPDATE, DELETE ON core.holidays TO panels_core_app;

CREATE TABLE IF NOT EXISTS core.payroll_adjustments (
  id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
  tenant_id INTEGER NOT NULL,
  week_id BIGINT NOT NULL REFERENCES core.payroll_weeks(id) ON DELETE CASCADE,
  worker_id BIGINT NOT NULL REFERENCES core.workers(id),
  project_id BIGINT REFERENCES core.projects(id) ON DELETE SET NULL,
  kind TEXT NOT NULL CHECK (kind IN ('descuento', 'bono', 'horas')),
  concept TEXT NOT NULL,
  amount NUMERIC(14,2) NOT NULL DEFAULT 0,
  hours NUMERIC(8,2) NOT NULL DEFAULT 0,
  note TEXT NOT NULL DEFAULT '',
  adjustment_date DATE NOT NULL DEFAULT CURRENT_DATE,
  created_at TIMESTAMPTZ NOT NULL DEFAULT now()
);
CREATE INDEX IF NOT EXISTS idx_core_payroll_adjustments_week ON core.payroll_adjustments (week_id, worker_id);
ALTER TABLE core.payroll_adjustments ENABLE ROW LEVEL SECURITY;
DROP POLICY IF EXISTS tenant_isolation ON core.payroll_adjustments;
CREATE POLICY tenant_isolation ON core.payroll_adjustments
  USING (tenant_id = NULLIF(current_setting('app.tenant_id', true), '')::integer)
  WITH CHECK (tenant_id = NULLIF(current_setting('app.tenant_id', true), '')::integer);
GRANT SELECT, INSERT, UPDATE, DELETE ON core.payroll_adjustments TO panels_core_app;
GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA core TO panels_core_app;

--changeset panel:core-044b-fn-apply-adjustments splitStatements:false
CREATE OR REPLACE FUNCTION core._payroll_apply_adjustments(p_week_id bigint)
RETURNS void
LANGUAGE plpgsql
SET search_path = core
AS $$
DECLARE
  v_adj record;
  v_line_id bigint;
  v_wage numeric;
  v_extra numeric;
BEGIN
  FOR v_adj IN
    SELECT * FROM payroll_adjustments WHERE week_id = p_week_id ORDER BY id
  LOOP
    SELECT l.id INTO v_line_id
      FROM payroll_week_lines l
      JOIN payroll_sheets s ON s.id = l.sheet_id
     WHERE s.week_id = p_week_id
       AND l.worker_id = v_adj.worker_id
       AND (v_adj.project_id IS NULL OR s.project_id = v_adj.project_id OR l.project_id = v_adj.project_id)
     ORDER BY CASE WHEN s.project_id IS NOT DISTINCT FROM v_adj.project_id THEN 0 ELSE 1 END, l.gross DESC, l.id
     LIMIT 1;
    IF v_line_id IS NULL THEN
      CONTINUE;
    END IF;
    IF v_adj.kind = 'bono' THEN
      UPDATE payroll_week_lines
         SET gross = core.round_money(gross + v_adj.amount),
             payable_net = core.round_money(payable_net + v_adj.amount)
       WHERE id = v_line_id;
    ELSIF v_adj.kind = 'descuento' THEN
      UPDATE payroll_week_lines
         SET discounts = core.round_money(discounts + v_adj.amount),
             payable_net = core.round_money(payable_net - v_adj.amount)
       WHERE id = v_line_id;
    ELSIF v_adj.kind = 'horas' THEN
      SELECT w.daily_wage INTO v_wage FROM workers w WHERE w.id = v_adj.worker_id;
      v_extra := core.round_money(v_adj.hours * COALESCE(v_wage, 0) / 8);
      UPDATE payroll_week_lines
         SET gross = core.round_money(gross + v_extra),
             payable_net = core.round_money(payable_net + v_extra)
       WHERE id = v_line_id;
    END IF;
  END LOOP;
END;
$$;

--changeset panel:core-044c-recalc-week splitStatements:false
CREATE OR REPLACE FUNCTION core._payroll_recalc_week(p_week_id bigint)
RETURNS void
LANGUAGE plpgsql
SET search_path = core
AS $$
DECLARE
  v_week record;
  v_sheet record;
  v_worker record;
  v_cut record;
  v_line record;
  v_loan record;
  v_line_id bigint;
  v_att_n integer;
  v_holiday_n integer;
  v_wage numeric;
  v_gross numeric;
  v_payable_qty numeric;
  v_required_gross numeric;
  v_keep bigint[];
  v_stale record;
  v_tot numeric;
  v_worker_id bigint;
  v_lines record;
  v_gross_sum numeric;
  v_remaining numeric;
  v_placed boolean;
  v_n integer;
  v_is_last boolean;
  v_want numeric;
  v_take numeric;
  v_label text;
  v_host_id bigint;
  v_host_gross numeric;
  v_host_discounts numeric;
BEGIN
  SELECT * INTO v_week FROM payroll_weeks WHERE id = p_week_id;
  IF NOT FOUND OR v_week.status = 'paid' THEN
    RETURN;
  END IF;

  UPDATE payroll_week_lines
     SET loan_id = NULL, loan_discount = 0, loan_label = NULL, discounts = 0
   WHERE sheet_id IN (SELECT id FROM payroll_sheets WHERE week_id = p_week_id);

  FOR v_sheet IN SELECT * FROM payroll_sheets WHERE week_id = p_week_id LOOP
    IF v_sheet.kind = 'obra' AND v_sheet.project_id IS NOT NULL THEN
      FOR v_worker IN
        SELECT w.id, w.daily_wage
          FROM workers w
         WHERE w.status = 'activo'
           AND w.pipeline_status != 'baja'
           AND (
             EXISTS (
               SELECT 1 FROM assignments a
                WHERE a.worker_id = w.id AND a.project_id = v_sheet.project_id
                  AND a.active = true AND w.work_type = 'N'
             )
             OR EXISTS (
               SELECT 1 FROM attendance att
                WHERE att.worker_id = w.id AND att.project_id = v_sheet.project_id
                  AND att.work_date BETWEEN v_week.week_start AND v_week.week_end
             )
             OR EXISTS (
               SELECT 1 FROM payroll_week_lines l
                 JOIN payroll_sheets s ON s.id = l.sheet_id
                WHERE l.worker_id = w.id AND s.project_id = v_sheet.project_id
                  AND s.kind = 'obra' AND s.week_id = p_week_id
             )
           )
         ORDER BY w.last_name_p, w.first_name
      LOOP
        v_line_id := core._payroll_sheet_line(v_sheet.id, v_worker.id, NULL);
        SELECT COUNT(*)::integer INTO v_att_n
          FROM attendance
         WHERE worker_id = v_worker.id
           AND project_id = v_sheet.project_id
           AND work_date BETWEEN v_week.week_start AND v_week.week_end
           AND present = true;
        SELECT COUNT(*)::integer INTO v_holiday_n
          FROM holidays h
         WHERE h.tenant_id = v_week.tenant_id
           AND h.holiday_date BETWEEN v_week.week_start AND v_week.week_end
           AND NOT EXISTS (
             SELECT 1 FROM attendance att
              WHERE att.worker_id = v_worker.id
                AND att.project_id = v_sheet.project_id
                AND att.work_date = h.holiday_date
           );
        SELECT daily_wage INTO v_wage FROM payroll_week_lines WHERE id = v_line_id;
        IF v_week.status = 'assembled' AND COALESCE(v_wage, 0) > 0 THEN
          NULL;
        ELSE
          v_wage := v_worker.daily_wage;
        END IF;
        v_gross := core.round_money((v_att_n + v_holiday_n) * v_wage);
        UPDATE payroll_week_lines
           SET days = v_att_n + v_holiday_n,
               daily_wage = v_wage,
               amount = v_gross,
               gross = v_gross,
               discounts = 0,
               payable_net = v_gross
         WHERE id = v_line_id;
      END LOOP;
    END IF;

    IF v_sheet.kind = 'destajo' AND v_sheet.project_id IS NOT NULL THEN
      SELECT id INTO v_line_id FROM destajo_periods WHERE week_id = p_week_id;
      IF v_line_id IS NULL THEN
        CONTINUE;
      END IF;
      v_keep := ARRAY[]::bigint[];
      FOR v_cut IN
        SELECT c.id, c.qty_planned, c.qty_actual, c.qty_extra,
               j.worker_id, j.unit_price, j.unit_code, j.concepto
          FROM destajo_cut_lines c
          JOIN destajo_jobs j ON j.id = c.job_id
         WHERE c.period_id = v_line_id
           AND j.project_id = v_sheet.project_id
      LOOP
        v_line_id := core._payroll_sheet_line(v_sheet.id, v_cut.worker_id, v_cut.id);
        v_keep := array_append(v_keep, v_line_id);
        IF v_week.status = 'draft'
           AND v_cut.qty_actual = 0 AND v_cut.qty_extra = 0 THEN
          v_payable_qty := core.round_money(v_cut.qty_planned);
        ELSE
          v_payable_qty := core.round_money(v_cut.qty_actual + v_cut.qty_extra);
        END IF;
        v_gross := core.round_money(v_payable_qty * v_cut.unit_price);
        v_required_gross := core.round_money(v_cut.qty_planned * v_cut.unit_price);
        UPDATE payroll_week_lines
           SET destajo_cut_line_id = v_cut.id,
               qty_planned = v_cut.qty_planned,
               qty_actual = v_cut.qty_actual,
               qty_extra = v_cut.qty_extra,
               unit_price = v_cut.unit_price,
               unit_code = v_cut.unit_code,
               concepto = v_cut.concepto,
               amount = v_required_gross,
               gross = v_gross,
               payable_net = v_gross
         WHERE id = v_line_id;
      END LOOP;
      FOR v_stale IN
        SELECT id FROM payroll_week_lines WHERE sheet_id = v_sheet.id
      LOOP
        IF NOT (v_stale.id = ANY (v_keep)) THEN
          DELETE FROM payroll_week_lines WHERE id = v_stale.id;
        END IF;
      END LOOP;
    END IF;

    IF v_sheet.kind = 'admin' THEN
      FOR v_line IN SELECT id, amount, discounts FROM payroll_week_lines WHERE sheet_id = v_sheet.id LOOP
        v_gross := core.round_money(v_line.amount);
        UPDATE payroll_week_lines
           SET gross = v_gross,
               payable_net = core.round_money(v_gross - v_line.discounts)
         WHERE id = v_line.id;
      END LOOP;
    END IF;
  END LOOP;

  PERFORM core._payroll_apply_adjustments(p_week_id);

  FOR v_worker_id IN
    SELECT DISTINCT l.worker_id
      FROM payroll_week_lines l
      JOIN payroll_sheets s ON s.id = l.sheet_id
     WHERE s.week_id = p_week_id
  LOOP
    SELECT core.round_money(COALESCE(SUM(l.gross - l.discounts), 0))
      INTO v_gross_sum
      FROM payroll_week_lines l
      JOIN payroll_sheets s ON s.id = l.sheet_id
     WHERE s.week_id = p_week_id
       AND l.worker_id = v_worker_id;

    v_remaining := GREATEST(0, v_gross_sum);
    v_placed := false;

    FOR v_loan IN
      SELECT *
        FROM loans
       WHERE worker_id = v_worker_id
         AND balance > 0
         AND first_due IS NOT NULL
         AND first_due <= v_week.week_end
       ORDER BY first_due, id
    LOOP
      EXIT WHEN v_remaining <= 0;
      SELECT COUNT(*)::integer + 1 INTO v_n FROM loan_payments WHERE loan_id = v_loan.id;
      v_is_last := v_n >= GREATEST(COALESCE(v_loan.installments_n, 1), 1);
      IF v_is_last THEN
        v_want := v_loan.balance;
      ELSE
        v_want := LEAST(COALESCE(NULLIF(v_loan.weekly_payment, 0), v_loan.balance), v_loan.balance);
      END IF;
      v_take := core.round_money(LEAST(v_want, v_remaining));
      IF v_take <= 0 THEN
        CONTINUE;
      END IF;
      v_remaining := core.round_money(v_remaining - v_take);
      IF NOT v_placed THEN
        SELECT l.id, l.gross, l.discounts
          INTO v_host_id, v_host_gross, v_host_discounts
          FROM payroll_week_lines l
          JOIN payroll_sheets s ON s.id = l.sheet_id
         WHERE s.week_id = p_week_id
           AND l.worker_id = v_worker_id
         ORDER BY l.gross DESC, l.id
         LIMIT 1;
        v_label := core._payroll_loan_condition_label(
          v_loan.delivered, v_loan.commission_pct, v_take, v_n, v_loan.installments_n
        );
        UPDATE payroll_week_lines
           SET loan_id = v_loan.id,
               loan_discount = v_take,
               loan_label = v_label,
               payable_net = core.round_money(v_host_gross - v_host_discounts - v_take)
         WHERE id = v_host_id;
        v_placed := true;
      END IF;
      EXIT;
    END LOOP;

    IF NOT v_placed THEN
      UPDATE payroll_week_lines l
         SET payable_net = core.round_money(l.gross - l.discounts)
        FROM payroll_sheets s
       WHERE s.id = l.sheet_id
         AND s.week_id = p_week_id
         AND l.worker_id = v_worker_id;
    ELSE
      UPDATE payroll_week_lines l
         SET payable_net = core.round_money(l.gross - l.discounts)
        FROM payroll_sheets s
       WHERE s.id = l.sheet_id
         AND s.week_id = p_week_id
         AND l.worker_id = v_worker_id
         AND l.id <> v_host_id;
    END IF;
  END LOOP;

  SELECT COALESCE(SUM(l.payable_net), 0) INTO v_tot
    FROM payroll_week_lines l
    JOIN payroll_sheets s ON s.id = l.sheet_id
   WHERE s.week_id = p_week_id;

  UPDATE payroll_weeks
     SET payable_net = core.round_money(v_tot)
   WHERE id = p_week_id;

  IF v_week.status = 'draft' THEN
    UPDATE payroll_weeks
       SET required_net = core.round_money(v_tot)
     WHERE id = p_week_id;
    UPDATE payroll_week_lines
       SET required_net = payable_net
     WHERE sheet_id IN (SELECT id FROM payroll_sheets WHERE week_id = p_week_id);
  END IF;
END;
$$;

CREATE OR REPLACE FUNCTION core._payroll_ensure_cut_for_open_jobs(p_week_id bigint)
RETURNS void
LANGUAGE plpgsql
SET search_path = core
AS $$
DECLARE
  v_period record;
  v_job record;
BEGIN
  SELECT id, tenant_id INTO v_period FROM destajo_periods WHERE week_id = p_week_id;
  IF NOT FOUND THEN
    RETURN;
  END IF;
  FOR v_job IN
    SELECT id FROM destajo_jobs WHERE tenant_id = v_period.tenant_id AND status = 'open'
  LOOP
    INSERT INTO destajo_cut_lines (period_id, job_id, qty_planned, qty_actual, qty_extra)
    VALUES (v_period.id, v_job.id, 0, 0, 0)
    ON CONFLICT (period_id, job_id) DO NOTHING;
  END LOOP;
END;
$$;

CREATE OR REPLACE FUNCTION core._payroll_ensure_week(p_tenant_id integer, p_week_start date)
RETURNS bigint
LANGUAGE plpgsql
SET search_path = core
AS $$
DECLARE
  v_week_start date;
  v_week_end date;
  v_week_id bigint;
  v_bounds record;
  v_period_id bigint;
  v_proj record;
BEGIN
  PERFORM core._payroll_seed_defaults(p_tenant_id);
  SELECT wc.week_start, wc.week_end
    INTO v_week_start, v_week_end
    FROM core._payroll_week_containing(p_week_start) wc;

  SELECT id INTO v_week_id
    FROM payroll_weeks
   WHERE tenant_id = p_tenant_id AND week_start = v_week_start;

  IF v_week_id IS NULL THEN
    INSERT INTO payroll_weeks (week_start, week_end, status, tenant_id)
    VALUES (v_week_start, v_week_end, 'draft', p_tenant_id)
    RETURNING id INTO v_week_id;
  END IF;

  SELECT * INTO v_bounds FROM core._payroll_destajo_period_bounds(v_week_start);
  SELECT id INTO v_period_id
    FROM destajo_periods
   WHERE tenant_id = p_tenant_id AND period_end = v_bounds.period_end;
  IF v_period_id IS NULL THEN
    INSERT INTO destajo_periods (period_start, period_end, week_id, tenant_id)
    VALUES (v_bounds.period_start, v_bounds.period_end, v_week_id, p_tenant_id);
  END IF;

  FOR v_proj IN
    SELECT id FROM projects
     WHERE status IN ('activo', 'pausado')
       AND (p_tenant_id = 0 OR tenant_id = p_tenant_id OR tenant_id IS NULL)
     ORDER BY name
  LOOP
    IF NOT EXISTS (
      SELECT 1 FROM payroll_sheets
       WHERE week_id = v_week_id AND kind = 'obra' AND COALESCE(project_id, 0) = v_proj.id
    ) THEN
      INSERT INTO payroll_sheets (week_id, kind, project_id) VALUES (v_week_id, 'obra', v_proj.id);
    END IF;
    IF NOT EXISTS (
      SELECT 1 FROM payroll_sheets
       WHERE week_id = v_week_id AND kind = 'destajo' AND COALESCE(project_id, 0) = v_proj.id
    ) THEN
      INSERT INTO payroll_sheets (week_id, kind, project_id) VALUES (v_week_id, 'destajo', v_proj.id);
    END IF;
  END LOOP;

  IF NOT EXISTS (
    SELECT 1 FROM payroll_sheets
     WHERE week_id = v_week_id AND kind = 'admin' AND project_id IS NULL
  ) THEN
    INSERT INTO payroll_sheets (week_id, kind, project_id) VALUES (v_week_id, 'admin', NULL);
  END IF;

  RETURN v_week_id;
END;
$$;

CREATE OR REPLACE FUNCTION core._payroll_first_due_for_loan(
  p_delivered numeric,
  p_small_max numeric,
  p_plan text,
  p_grant_iso date,
  p_week_assembled boolean,
  p_weekday_mon0 integer
)
RETURNS date
LANGUAGE plpgsql
IMMUTABLE
AS $$
BEGIN
  IF p_delivered <= p_small_max AND p_plan = 'single' THEN
    RETURN core._payroll_next_saturday_after_week(p_grant_iso);
  END IF;
  IF p_week_assembled AND p_weekday_mon0 >= 4 THEN
    RETURN core._payroll_next_saturday_after_week(p_grant_iso);
  END IF;
  RETURN core._payroll_this_saturday(p_grant_iso);
END;
$$;

CREATE OR REPLACE FUNCTION core._payroll_prefill_thu_sat(
  p_project_id bigint,
  p_week_start date,
  p_worker_id bigint
)
RETURNS void
LANGUAGE plpgsql
SET search_path = core
AS $$
DECLARE
  v_offset integer;
  v_day date;
  v_other record;
  v_existing record;
BEGIN
  FOR v_offset IN SELECT unnest(ARRAY[3, 4, 5]) LOOP
    v_day := core._payroll_add_days(p_week_start, v_offset);
    SELECT a.project_id, p.name AS project_name
      INTO v_other
      FROM attendance a
      JOIN projects p ON p.id = a.project_id
     WHERE a.worker_id = p_worker_id
       AND a.work_date = v_day
       AND a.present = true
       AND a.project_id <> p_project_id
     LIMIT 1;
    IF FOUND THEN
      CONTINUE;
    END IF;
    SELECT id, present INTO v_existing
      FROM attendance
     WHERE worker_id = p_worker_id
       AND project_id = p_project_id
       AND work_date = v_day;
    IF FOUND THEN
      CONTINUE;
    END IF;
    INSERT INTO attendance (worker_id, project_id, work_date, present)
    VALUES (p_worker_id, p_project_id, v_day, true);
  END LOOP;
END;
$$;

--changeset panel:core-044d-fn-adjustments splitStatements:false
CREATE OR REPLACE FUNCTION core.fn_payroll_adjustment_save(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_tid integer := core._payroll_tenant_id(payload);
  v_id bigint := NULLIF(payload->>'id', '')::bigint;
  v_week_id bigint := NULLIF(payload->>'week_id', '')::bigint;
  v_worker_id bigint := NULLIF(payload->>'worker_id', '')::bigint;
  v_project_id bigint := NULLIF(payload->>'project_id', '')::bigint;
  v_kind text := nullif(btrim(payload->>'kind'), '');
  v_concept text := coalesce(nullif(btrim(payload->>'concept'), ''), '');
  v_note text := coalesce(nullif(btrim(payload->>'note'), ''), '');
  v_amount numeric := COALESCE((payload->>'amount')::numeric, 0);
  v_hours numeric := COALESCE((payload->>'hours')::numeric, 0);
  v_date date := COALESCE(NULLIF(payload->>'adjustment_date', '')::date, CURRENT_DATE);
  v_status text;
BEGIN
  IF v_week_id IS NULL OR v_worker_id IS NULL OR v_kind IS NULL OR v_concept = '' THEN
    RETURN core.rpc_err('VALIDATION', 'fn_payroll_adjustment_save: semana, persona, tipo y concepto son obligatorios',
      jsonb_build_object('fn', 'fn_payroll_adjustment_save'));
  END IF;
  IF v_kind NOT IN ('descuento', 'bono', 'horas') THEN
    RETURN core.rpc_err('VALIDATION', 'fn_payroll_adjustment_save: tipo inválido',
      jsonb_build_object('fn', 'fn_payroll_adjustment_save', 'kind', v_kind));
  END IF;
  IF v_kind = 'descuento' AND v_note = '' THEN
    RETURN core.rpc_err('VALIDATION', 'fn_payroll_adjustment_save: el descuento requiere observación',
      jsonb_build_object('fn', 'fn_payroll_adjustment_save', 'field', 'note'));
  END IF;
  SELECT status INTO v_status FROM payroll_weeks WHERE id = v_week_id AND tenant_id = v_tid;
  IF NOT FOUND THEN
    RETURN core.rpc_err('NOT_FOUND', format('fn_payroll_adjustment_save: semana id=%s no encontrada', v_week_id),
      jsonb_build_object('fn', 'fn_payroll_adjustment_save', 'week_id', v_week_id));
  END IF;
  IF v_status = 'paid' THEN
    RETURN core.rpc_err('VALIDATION', 'fn_payroll_adjustment_save: la semana ya está pagada',
      jsonb_build_object('fn', 'fn_payroll_adjustment_save', 'week_id', v_week_id));
  END IF;
  IF v_id IS NULL THEN
    INSERT INTO payroll_adjustments (
      tenant_id, week_id, worker_id, project_id, kind, concept, amount, hours, note, adjustment_date
    ) VALUES (
      v_tid, v_week_id, v_worker_id, v_project_id, v_kind, v_concept, v_amount, v_hours, v_note, v_date
    ) RETURNING id INTO v_id;
  ELSE
    UPDATE payroll_adjustments SET
      project_id = v_project_id, kind = v_kind, concept = v_concept,
      amount = v_amount, hours = v_hours, note = v_note, adjustment_date = v_date
     WHERE id = v_id AND tenant_id = v_tid AND week_id = v_week_id;
  END IF;
  PERFORM core._payroll_recalc_week(v_week_id);
  RETURN core.rpc_ok(
    jsonb_build_object('id', v_id),
    format('Ajuste de nómina %s guardado', v_kind),
    jsonb_build_object('fn', 'fn_payroll_adjustment_save', 'id', v_id)
  );
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_payroll_adjustment_save', SQLSTATE, SQLERRM);
END;
$$;

CREATE OR REPLACE FUNCTION core.fn_payroll_adjustment_list(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_tid integer := core._payroll_tenant_id(payload);
  v_week_id bigint := NULLIF(payload->>'week_id', '')::bigint;
  v_worker_id bigint := NULLIF(payload->>'worker_id', '')::bigint;
  v_project_id bigint := NULLIF(payload->>'project_id', '')::bigint;
  v_kind text := nullif(btrim(payload->>'kind'), '');
  v_rows jsonb;
BEGIN
  SELECT COALESCE(jsonb_agg(to_jsonb(x) ORDER BY x.adjustment_date DESC, x.id DESC), '[]'::jsonb)
    INTO v_rows
    FROM (
      SELECT a.*, w.first_name, w.last_name_p, p.name AS project_name
        FROM payroll_adjustments a
        JOIN workers w ON w.id = a.worker_id
        LEFT JOIN projects p ON p.id = a.project_id
       WHERE a.tenant_id = v_tid
         AND (v_week_id IS NULL OR a.week_id = v_week_id)
         AND (v_worker_id IS NULL OR a.worker_id = v_worker_id)
         AND (v_project_id IS NULL OR a.project_id = v_project_id)
         AND (v_kind IS NULL OR a.kind = v_kind)
    ) x;
  RETURN core.rpc_ok(
    jsonb_build_object('adjustments', v_rows, 'count', jsonb_array_length(v_rows)),
    format('Ajustes de nómina: %s', jsonb_array_length(v_rows)),
    jsonb_build_object('fn', 'fn_payroll_adjustment_list')
  );
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_payroll_adjustment_list', SQLSTATE, SQLERRM);
END;
$$;

CREATE OR REPLACE FUNCTION core.fn_payroll_adjustment_delete(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_tid integer := core._payroll_tenant_id(payload);
  v_id bigint := NULLIF(payload->>'id', '')::bigint;
  v_week_id bigint;
  v_status text;
BEGIN
  SELECT a.week_id, wk.status INTO v_week_id, v_status
    FROM payroll_adjustments a
    JOIN payroll_weeks wk ON wk.id = a.week_id
   WHERE a.id = v_id AND a.tenant_id = v_tid;
  IF NOT FOUND THEN
    RETURN core.rpc_err('NOT_FOUND', 'Ajuste no encontrado',
      jsonb_build_object('fn', 'fn_payroll_adjustment_delete', 'id', v_id));
  END IF;
  IF v_status = 'paid' THEN
    RETURN core.rpc_err('VALIDATION', 'La semana ya está pagada',
      jsonb_build_object('fn', 'fn_payroll_adjustment_delete', 'week_id', v_week_id));
  END IF;
  DELETE FROM payroll_adjustments WHERE id = v_id;
  PERFORM core._payroll_recalc_week(v_week_id);
  RETURN core.rpc_ok(jsonb_build_object('id', v_id), 'Ajuste eliminado',
    jsonb_build_object('fn', 'fn_payroll_adjustment_delete', 'id', v_id));
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_payroll_adjustment_delete', SQLSTATE, SQLERRM);
END;
$$;

CREATE OR REPLACE FUNCTION core.fn_holiday_save(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_tid integer := core._payroll_tenant_id(payload);
  v_date date := NULLIF(payload->>'holiday_date', '')::date;
  v_name text := coalesce(nullif(btrim(payload->>'name'), ''), '');
  v_id bigint;
  v_week record;
BEGIN
  IF v_date IS NULL OR v_name = '' THEN
    RETURN core.rpc_err('VALIDATION', 'fn_holiday_save: fecha y nombre son obligatorios',
      jsonb_build_object('fn', 'fn_holiday_save'));
  END IF;
  INSERT INTO holidays (tenant_id, holiday_date, name)
  VALUES (v_tid, v_date, v_name)
  ON CONFLICT (tenant_id, holiday_date) DO UPDATE SET name = EXCLUDED.name
  RETURNING id INTO v_id;
  FOR v_week IN
    SELECT id FROM payroll_weeks
     WHERE tenant_id = v_tid AND status <> 'paid'
       AND v_date BETWEEN week_start AND week_end
  LOOP
    PERFORM core._payroll_recalc_week(v_week.id);
  END LOOP;
  RETURN core.rpc_ok(jsonb_build_object('id', v_id), format('Festivo %s registrado', v_name),
    jsonb_build_object('fn', 'fn_holiday_save', 'id', v_id));
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_holiday_save', SQLSTATE, SQLERRM);
END;
$$;

CREATE OR REPLACE FUNCTION core.fn_holiday_list(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_tid integer := core._payroll_tenant_id(payload);
  v_from date := NULLIF(payload->>'date_from', '')::date;
  v_to date := NULLIF(payload->>'date_to', '')::date;
  v_rows jsonb;
BEGIN
  SELECT COALESCE(jsonb_agg(to_jsonb(h) ORDER BY h.holiday_date), '[]'::jsonb)
    INTO v_rows
    FROM holidays h
   WHERE h.tenant_id = v_tid
     AND (v_from IS NULL OR h.holiday_date >= v_from)
     AND (v_to IS NULL OR h.holiday_date <= v_to);
  RETURN core.rpc_ok(jsonb_build_object('holidays', v_rows), 'Festivos cargados',
    jsonb_build_object('fn', 'fn_holiday_list'));
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_holiday_list', SQLSTATE, SQLERRM);
END;
$$;

--changeset panel:core-044e-grants endDelimiter:; splitStatements:true
GRANT EXECUTE ON FUNCTION core._payroll_apply_adjustments(bigint) TO panels_core_app;
GRANT EXECUTE ON FUNCTION core.fn_payroll_adjustment_save(jsonb) TO panels_core_app;
GRANT EXECUTE ON FUNCTION core.fn_payroll_adjustment_list(jsonb) TO panels_core_app;
GRANT EXECUTE ON FUNCTION core.fn_payroll_adjustment_delete(jsonb) TO panels_core_app;
GRANT EXECUTE ON FUNCTION core.fn_holiday_save(jsonb) TO panels_core_app;
GRANT EXECUTE ON FUNCTION core.fn_holiday_list(jsonb) TO panels_core_app;