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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 ValueInOptions extends Core\Validator
{
    public function Validate ($submitValue, $fieldName, \MvcCore\Ext\Form\Core\Field & $field) {
        $safeValue = $this->completeSafeValueByOptions($submitValue, $field);
        $safeValueType = gettype($safeValue);
        $safeValueCount = count($safeValue);
        $safeValueLen = is_array($safeValue) ? count($safeValue) : mb_strlen($safeValue);
        if (
            ($safeValueType == 'array' && $safeValueCount !== count($submitValue)) ||
            ($safeValueType == 'string' && $safeValueLen !== mb_strlen($submitValue))
        ) {
            $this->addError(
                $field, 
                Form::$DefaultMessages[Form::VALID], 
                function ($msg, $args) {
                    return Core\View::Format($msg, $args);
                }
            );
        }
        return $safeValue;
    }

    protected function completeSafeValueByOptions ($submitValue, & $field) {
        if (gettype($submitValue) == 'array') {
            $submitValues = $submitValue;
            $safeValue = array();
        } else {
            $submitValue = (string) $submitValue;
            $submitValues = mb_strlen($submitValue) > 0 ? array($submitValue) : array();
            $safeValue = '';
        }
        foreach ($submitValues as $submitValueItem) {
            $submitValueItem = trim($submitValueItem);
            $catched = 0;
            $safeValueItem = '';
            foreach ($field->Options as $key1 => $option1) {
                if ($key1 == $submitValueItem) {
                    $catched = 1;
                    $safeValueItem = $key1;
                    break;
                }
                if (isset($option1['options']) && gettype($option1['options']) == 'array') {
                    foreach ($option1['options'] as $key2 => $option2) {
                        if ($key2 == $submitValueItem) {
                            $catched = 1;
                            $safeValueItem = $key2;
                            break;
                        }
                    }
                }
                if ($catched) break;
            }
            if ($catched) {
                if (gettype($safeValue) == 'array') {
                    $safeValue[] = $safeValueItem;
                } else {
                    $safeValue = $safeValueItem;
                }
            }
        }
        return $safeValue;
    }
}