/***********************************************************************************************************************************************************************
 * File Name: validate.middleware.js
 * Type of Program: Middleware
 * Description: express-validator result checker.
 *              Pairs with validators/*.validator.js — those files define the rules,
 *              this file intercepts the request if any rule failed and returns 422.
 * Author: rgrgogu
 * Date Created: Oct. 6, 2025
 ***********************************************************************************************************************************************************************
 * HOW TO USE:
 *   const { registerValidator } = require('../../validators/auth.validator');
 *   const { validate } = require('../../middleware/validate.middleware');
 *   router.post('/register', ...registerValidator, validate, handler);
 ***********************************************************************************************************************************************************************/
const { validationResult } = require('express-validator');
const R = require('../utils/response.util');

const validate = (req, res, next) => {
  const errors = validationResult(req);
  if (!errors.isEmpty())
    return R.validationError(res, errors.array());
  next();
};

module.exports = { validate };