--liquibase formatted sql
-- PANELS · core · fix needs_badge cast en fn_worker_create/update

--changeset panel:core-016a-fn-worker-needs-badge splitStatements:false
CREATE OR REPLACE FUNCTION core.fn_worker_create(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_tid integer := COALESCE(
    NULLIF(payload->>'tenant_id', '')::integer,
    NULLIF(current_setting('app.tenant_id', true), '')::integer
  );
  v_project_id bigint := NULLIF(payload->>'project_id', '')::bigint;
  v_errors jsonb;
  v_norm jsonb;
  v_existing workers%ROWTYPE;
  v_row workers%ROWTYPE;
  v_project_status text;
  v_refresh jsonb;
BEGIN
  v_errors := core._worker_validate_fields(payload);
  IF v_errors <> '{}'::jsonb THEN
    RETURN core.rpc_err(
      'VALIDATION',
      'fn_worker_create: datos del trabajador incompletos o inválidos',
      jsonb_build_object('fn', 'fn_worker_create', 'field', 'payload'),
      v_errors
    );
  END IF;
  v_norm := core._worker_normalize(payload);
  SELECT * INTO v_existing
    FROM workers
   WHERE curp = v_norm->>'curp'
      OR rfc = v_norm->>'rfc'
      OR nss = v_norm->>'nss'
   LIMIT 1;
  IF FOUND THEN
    RETURN core.rpc_err(
      'CONFLICT',
      core._worker_conflict_message(v_existing, v_norm->>'curp', v_norm->>'rfc', v_norm->>'nss'),
      jsonb_build_object('fn', 'fn_worker_create', 'worker_id', v_existing.id)
    );
  END IF;
  IF v_project_id IS NOT NULL THEN
    SELECT status INTO v_project_status FROM projects WHERE id = v_project_id;
    IF NOT FOUND THEN
      RETURN core.rpc_err(
        'NOT_FOUND',
        format('fn_worker_create: proyecto id=%s no encontrado', v_project_id),
        jsonb_build_object('fn', 'fn_worker_create', 'project_id', v_project_id)
      );
    END IF;
    IF v_project_status <> 'activo' THEN
      RETURN core.rpc_err(
        'VALIDATION',
        'fn_worker_create: solo se asigna personal a proyectos activos',
        jsonb_build_object('fn', 'fn_worker_create', 'project_id', v_project_id, 'status', v_project_status)
      );
    END IF;
  END IF;
  INSERT INTO workers (
    first_name, middle_name, last_name_p, last_name_m, curp, rfc, nss, phone, email, address,
    blood_type, hire_type, company_id, position, risk_code, work_type, daily_wage, needs_badge, status, tenant_id
  ) VALUES (
    v_norm->>'first_name',
    v_norm->>'middle_name',
    v_norm->>'last_name_p',
    v_norm->>'last_name_m',
    v_norm->>'curp',
    v_norm->>'rfc',
    v_norm->>'nss',
    v_norm->>'phone',
    v_norm->>'email',
    v_norm->>'address',
    v_norm->>'blood_type',
    '',
    NULL,
    v_norm->>'position',
    v_norm->>'risk_code',
    v_norm->>'work_type',
    (v_norm->>'daily_wage')::numeric(12,2),
    COALESCE((v_norm->'needs_badge')::boolean, true),
    v_norm->>'status',
    v_tid
  )
  RETURNING * INTO v_row;
  IF v_project_id IS NOT NULL THEN
    INSERT INTO assignments (worker_id, project_id, active, start_date)
    VALUES (v_row.id, v_project_id, true, current_date)
    ON CONFLICT (worker_id, project_id) DO UPDATE SET
      active = true,
      start_date = CASE
        WHEN assignments.active = false THEN excluded.start_date
        ELSE assignments.start_date
      END,
      end_date = NULL;
  END IF;
  v_refresh := core.fn_worker_refresh_pipeline(jsonb_build_object('worker_id', v_row.id, 'tenant_id', v_tid));
  RETURN core.rpc_created(
    jsonb_build_object('worker', to_jsonb(v_row), 'pipeline', v_refresh->'data'),
    format('Trabajador %s %s creado (id=%s)', v_row.first_name, v_row.last_name_p, v_row.id),
    jsonb_build_object('fn', 'fn_worker_create', 'id', v_row.id)
  );
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_worker_create', SQLSTATE, SQLERRM);
END;
$$;

CREATE OR REPLACE FUNCTION core.fn_worker_update(payload jsonb)
RETURNS jsonb
LANGUAGE plpgsql
SECURITY INVOKER
SET search_path = core
AS $$
DECLARE
  v_id bigint := NULLIF(payload->>'id', '')::bigint;
  v_tid integer := COALESCE(
    NULLIF(payload->>'tenant_id', '')::integer,
    NULLIF(current_setting('app.tenant_id', true), '')::integer
  );
  v_cur workers%ROWTYPE;
  v_merged jsonb;
  v_errors jsonb;
  v_norm jsonb;
  v_existing workers%ROWTYPE;
  v_refresh jsonb;
BEGIN
  IF v_id IS NULL THEN
    RETURN core.rpc_err(
      'VALIDATION',
      'fn_worker_update: id es obligatorio para actualizar un trabajador',
      jsonb_build_object('fn', 'fn_worker_update', 'field', 'id')
    );
  END IF;
  SELECT * INTO v_cur FROM workers WHERE id = v_id;
  IF NOT FOUND THEN
    RETURN core.rpc_err(
      'NOT_FOUND',
      format('fn_worker_update: trabajador id=%s no encontrado', v_id),
      jsonb_build_object('fn', 'fn_worker_update', 'id', v_id)
    );
  END IF;
  v_merged := to_jsonb(v_cur) || payload;
  v_errors := core._worker_validate_fields(v_merged);
  IF v_errors <> '{}'::jsonb THEN
    RETURN core.rpc_err(
      'VALIDATION',
      format('fn_worker_update: datos del trabajador inválidos (id=%s)', v_id),
      jsonb_build_object('fn', 'fn_worker_update', 'id', v_id),
      v_errors
    );
  END IF;
  v_norm := core._worker_normalize(v_merged);
  SELECT * INTO v_existing
    FROM workers
   WHERE (curp = v_norm->>'curp' OR rfc = v_norm->>'rfc' OR nss = v_norm->>'nss')
     AND id <> v_id
   LIMIT 1;
  IF FOUND THEN
    RETURN core.rpc_err(
      'CONFLICT',
      core._worker_conflict_message(v_existing, v_norm->>'curp', v_norm->>'rfc', v_norm->>'nss'),
      jsonb_build_object('fn', 'fn_worker_update', 'id', v_id, 'worker_id', v_existing.id)
    );
  END IF;
  UPDATE workers SET
    first_name = v_norm->>'first_name',
    middle_name = v_norm->>'middle_name',
    last_name_p = v_norm->>'last_name_p',
    last_name_m = v_norm->>'last_name_m',
    curp = v_norm->>'curp',
    rfc = v_norm->>'rfc',
    nss = v_norm->>'nss',
    phone = v_norm->>'phone',
    email = v_norm->>'email',
    address = v_norm->>'address',
    blood_type = v_norm->>'blood_type',
    hire_type = v_cur.hire_type,
    company_id = v_cur.company_id,
    position = v_norm->>'position',
    risk_code = v_norm->>'risk_code',
    work_type = v_norm->>'work_type',
    daily_wage = (v_norm->>'daily_wage')::numeric(12,2),
    needs_badge = COALESCE((v_norm->'needs_badge')::boolean, v_cur.needs_badge, true),
    status = v_norm->>'status'
  WHERE id = v_id
  RETURNING * INTO v_cur;
  v_refresh := core.fn_worker_refresh_pipeline(jsonb_build_object('worker_id', v_id, 'tenant_id', v_tid));
  RETURN core.rpc_ok(
    jsonb_build_object('worker', to_jsonb(v_cur), 'pipeline', v_refresh->'data'),
    format('Trabajador %s %s actualizado (id=%s)', v_cur.first_name, v_cur.last_name_p, v_id),
    jsonb_build_object('fn', 'fn_worker_update', 'id', v_id)
  );
EXCEPTION WHEN OTHERS THEN
  RETURN core.rpc_from_exception('fn_worker_update', SQLSTATE, SQLERRM);
END;
$$;