<?php
/**
 * Validator for users home address inputs
 *
 * PHP version 7
 *
 * Copyright (C) 2019 Leipzig University Library
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * @category VuFind
 * @package  Validator
 * @author   Sebastian Kehr <kehr@ub.uni-leipzig.de>
 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @link     https://vufind.org/wiki/development Wiki
 */
namespace fid_adlr\Validator;

use fid\InputFilter\RootAwareBaseInputFilter;
use Zend\Validator\AbstractValidator;

/**
 * Validator for users home address inputs
 *
 * @category VuFind
 * @package  Validator
 * @author   Sebastian Kehr <kehr@ub.uni-leipzig.de>
 * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @link     https://vufind.org/wiki/development Wiki
 */
class HomeAddressField extends AbstractValidator
{
    public const ERROR = 'error';

    protected $messageTemplates
        = [
            self::ERROR => 'error_home_address_value',
        ];

    /**
     * Check if inputs are valid
     *
     * @param string     $value   current input value
     * @param array|null $context all values
     *
     * @return bool
     */
    public function isValid($value, array $context = null)
    {
        $values = $context[RootAwareBaseInputFilter::ROOT]->getValues();
        $active = $values['data']['delivery_address'];

        if (!$active) {
            return true;
        }

        $valid = !empty($value);

        if (!$valid) {
            $this->error(self::ERROR);
        }

        return $valid;
    }
}