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<?php

/**
 * MvcCore
 *
 * This source file is subject to the BSD 3 License
 * For the full copyright and license information, please view
 * the LICENSE.md file that are distributed with this source code.
 *
 * @copyright   Copyright (c) 2016 Tom Flídr (https://github.com/mvccore/mvccore)
 * @license     https://mvccore.github.io/docs/mvccore/4.0.0/LICENCE.md
 */

namespace MvcCore\Ext\Form\Validators;

require_once(__DIR__.'/../../Form.php');
require_once(__DIR__.'/../Core/Validator.php');
require_once(__DIR__.'/../Core/Field.php');
require_once(__DIR__.'/../Core/View.php');

use
    MvcCore\Ext\Form,
    MvcCore\Ext\Form\Core;

class Date extends Core\Validator
{
    public static $ErrorMessagesformatReplacements = array(
        'd' => 'dd',
        'j' => 'd',
        'D' => 'Mon-Sun',
        'l' => 'Monday-Sunday',
        'm' => 'mm',
        'n' => 'm',
        'M' => 'Jan-Dec',
        'F' => 'January-December',
        'Y' => 'yyyy',
        'y' => 'yy',
        'a' => 'am',
        'A' => 'pm',
        'g' => '1-12',
        'h' => '01-12',
        'G' => '01-12',
        'H' => '00-23',
        'i' => '00-59',
        's' => '00-59',
        'u' => '0-999999',
    );
    public function Validate ($submitValue, $fieldName, \MvcCore\Ext\Form\Core\Field & $field) {
        $submitValue = trim($submitValue);

        $safeValue = preg_replace("#[^a-zA-Z0-9\:\.\-\,/ ]#", '', $submitValue);

        $dateObj = @\DateTime::createFromFormat($field->Format, $safeValue);

        if ($dateObj === FALSE || mb_strlen($safeValue) !== mb_strlen($submitValue)) {
            $this->addError($field, Form::$DefaultMessages[Form::DATE], function ($msg, $args) use (& $field) {
                $format = $args->Format;
                foreach (Date::$ErrorMessagesformatReplacements as $key => $value) {
                    $format = str_replace($key, $value, $format);
                }
                $args[] = $format;
                return Core\View::Format($msg, $args);
            });
        } else {
            $this->checkMinMax($field, $safeValue, Form::DATE_TO_LOW, Form::DATE_TO_HIGH);
        }
        return $safeValue;
    }

    protected function checkMinMax (\MvcCore\Ext\Form\Core\Field & $field, $safeValue, $minErrorMsgKey, $maxErrorMsgKey) {
        $minSet = !is_null($field->Min);
        $maxSet = !is_null($field->Max);
        if ($minSet || $maxSet) {
            $date = \DateTime::createFromFormat($field->Format, $safeValue);
            if ($minSet) {
                $minDate = \DateTime::createFromFormat($field->Format, $field->Min);
                if ($date < $minDate) {
                    $this->addError(
                        $field,
                        Form::$DefaultMessages[$minErrorMsgKey],
                        function ($msg, $args) use (& $field) {
                            $args[] = $field->Min;
                            return Core\View::Format($msg, $args);
                        }
                    );
                }
            }
            if ($maxSet) {
                $maxDate = \DateTime::createFromFormat($field->Format, $field->Max);
                if ($date > $maxDate) {
                    $this->addError(
                        $field,
                        Form::$DefaultMessages[$maxErrorMsgKey],
                        function ($msg, $args) use (& $field) {
                            $args[] = $field->Max;
                            return Core\View::Format($msg, $args);
                        }
                    );
                }
            }
        }
    }
}