--liquibase formatted sql
-- PANELS · core · cierre de almacén al concluir proyecto

--changeset panel:core-026a-fn-project-update-warehouse splitStatements:false
CREATE OR REPLACE FUNCTION core.fn_project_update(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_id bigint := (payload->>'id')::bigint;
  v_cur projects%ROWTYPE;
  v_name text;
  v_address text;
  v_theme_id text;
  v_status text;
  v_company_id integer;
  v_contract_amount numeric(14,2);
  v_start_date date;
  v_end_date date;
  v_resident_name text;
  v_siroc text;
  v_payroll_tax_pct numeric(5,2);
  v_close_env jsonb;
BEGIN
  IF v_id IS NULL THEN
    RETURN core.rpc_err(
      'VALIDATION',
      'fn_project_update: id es obligatorio',
      jsonb_build_object('fn', 'fn_project_update', 'field', 'id')
    );
  END IF;
  SELECT * INTO v_cur FROM projects WHERE id = v_id;
  IF NOT FOUND THEN
    RETURN core.rpc_err(
      'NOT_FOUND',
      format('fn_project_update: proyecto id=%s no encontrado', v_id),
      jsonb_build_object('fn', 'fn_project_update', 'id', v_id)
    );
  END IF;
  v_name := coalesce(nullif(btrim(payload->>'name'), ''), v_cur.name);
  v_address := CASE WHEN payload ? 'address' THEN coalesce(nullif(btrim(payload->>'address'), ''), '') ELSE v_cur.address END;
  v_theme_id := coalesce(nullif(btrim(payload->>'theme_id'), ''), v_cur.theme_id);
  v_status := CASE
    WHEN payload ? 'status' AND btrim(payload->>'status') IN ('activo', 'pausado', 'concluido', 'cancelado')
      THEN btrim(payload->>'status')
    ELSE v_cur.status
  END;
  v_company_id := coalesce((payload->>'company_id')::integer, v_cur.company_id);
  v_contract_amount := CASE
    WHEN payload ? 'contract_amount' THEN (payload->>'contract_amount')::numeric(14,2)
    ELSE v_cur.contract_amount
  END;
  v_start_date := CASE
    WHEN payload ? 'start_date' THEN nullif(btrim(payload->>'start_date'), '')::date
    ELSE v_cur.start_date
  END;
  v_end_date := CASE
    WHEN payload ? 'end_date' THEN nullif(btrim(payload->>'end_date'), '')::date
    ELSE v_cur.end_date
  END;
  v_resident_name := CASE
    WHEN payload ? 'resident_name' THEN coalesce(nullif(btrim(payload->>'resident_name'), ''), '')
    ELSE v_cur.resident_name
  END;
  v_siroc := CASE
    WHEN payload ? 'siroc' THEN upper(coalesce(nullif(btrim(payload->>'siroc'), ''), ''))
    ELSE v_cur.siroc
  END;
  v_payroll_tax_pct := coalesce((payload->>'payroll_tax_pct')::numeric(5,2), v_cur.payroll_tax_pct);
  IF v_company_id IS NULL THEN
    RETURN core.rpc_err(
      'VALIDATION',
      'fn_project_update: company_id es obligatorio',
      jsonb_build_object('fn', 'fn_project_update', 'field', 'company_id', 'id', v_id)
    );
  END IF;
  IF NOT EXISTS (SELECT 1 FROM companies WHERE id = v_company_id) THEN
    RETURN core.rpc_err(
      'VALIDATION',
      format('fn_project_update: empresa id=%s no encontrada', v_company_id),
      jsonb_build_object('fn', 'fn_project_update', 'company_id', v_company_id, 'id', v_id)
    );
  END IF;
  IF v_start_date IS NOT NULL AND v_end_date IS NOT NULL AND v_end_date < v_start_date THEN
    RETURN core.rpc_err(
      'VALIDATION',
      'fn_project_update: la fecha de término no puede ser anterior al inicio',
      jsonb_build_object('fn', 'fn_project_update', 'field', 'end_date', 'id', v_id)
    );
  END IF;
  IF v_status IN ('concluido', 'cancelado') AND v_cur.status NOT IN ('concluido', 'cancelado') THEN
    v_close_env := core.fn_warehouse_close_project(jsonb_build_object(
      'project_id', v_id,
      'force', COALESCE((payload->>'force_warehouse_close')::boolean, false),
      'closed_by_name', coalesce(nullif(btrim(payload->>'closed_by_name'), ''), 'sistema'),
      'close_notes', coalesce(nullif(btrim(payload->>'warehouse_close_notes'), ''), 'Cierre automático al concluir obra')
    ));
    IF NOT COALESCE((v_close_env->>'ok')::boolean, false) THEN
      RETURN v_close_env;
    END IF;
  END IF;
  UPDATE projects SET
    name = v_name,
    address = v_address,
    theme_id = v_theme_id,
    status = v_status,
    company_id = v_company_id,
    contract_amount = v_contract_amount,
    start_date = v_start_date,
    end_date = v_end_date,
    resident_name = v_resident_name,
    siroc = v_siroc,
    payroll_tax_pct = v_payroll_tax_pct
  WHERE id = v_id;
  RETURN core.rpc_ok(
    jsonb_build_object('id', v_id, 'code', v_cur.code, 'status', v_status),
    format('Proyecto %s actualizado', v_cur.code),
    jsonb_build_object('fn', 'fn_project_update', 'id', v_id, 'code', v_cur.code)
  );
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_project_update', SQLSTATE, SQLERRM);
END;
$$;