'use strict';

const changePassword = require(__dirname+'/../../models/forms/changepassword.js')
	, dynamicResponse = require(__dirname+'/../../lib/misc/dynamic.js')
	, paramConverter = require(__dirname+'/../../lib/middleware/input/paramconverter.js')
	, { checkSchema, lengthBody, existsBody } = require(__dirname+'/../../lib/input/schema.js');

module.exports = {

	paramConverter: paramConverter({
		trimFields: ['username', 'password', 'twofactor', 'newpassword', 'newpasswordconfirm'],
	}),

	controller: async (req, res, next) => {

		const { __ } = res.locals;

		const errors = await checkSchema([
			{ result: existsBody(req.body.username), expected: true, error: __('Missing username') },
			{ result: lengthBody(req.body.username, 0, 50), expected: false, error: __('Username must be 50 characters or less') },
			{ result: existsBody(req.body.password), expected: true, error: __('Missing password') },
			{ result: lengthBody(req.body.password, 0, 50), expected: false, error: __('Password must be 50 characters or less') },
			{ result: existsBody(req.body.newpassword), expected: true, error: __('Missing new password') },
			{ result: lengthBody(req.body.newpassword, 0, 100), expected: false, error: __('New pasword must be 100 characters or less') },
			{ result: existsBody(req.body.newpasswordconfirm), expected: true, error: __('Missing new password confirmation') },
			{ result: lengthBody(req.body.newpasswordconfirm, 0, 100), expected: false, error: __('New password confirmation must be 100 characters or less') },
			{ result: (req.body.newpassword === req.body.newpasswordconfirm), expected: true, error: __('New password and password confirmation must match') },
			{ result: lengthBody(req.body.twofactor, 0, 6), expected: false, error: __('Invalid 2FA code') },
		]);

		if (errors.length > 0) {
			return dynamicResponse(req, res, 400, 'message', {
				'title': __('Bad request'),
				'errors': errors,
				'redirect': '/changepassword.html'
			});
		}

		try {
			await changePassword(req, res, next);
		} catch (err) {
			return next(err);
		}

	}

};