<?php

declare(strict_types=1);

/*
 * CoreShop
 *
 * This source file is available under two different licenses:
 *  - GNU General Public License version 3 (GPLv3)
 *  - CoreShop Commercial License (CCL)
 * Full copyright and license information is available in
 * LICENSE.md which is distributed with this source code.
 *
 * @copyright  Copyright (c) CoreShop GmbH (https://www.coreshop.org)
 * @license    https://www.coreshop.org/license     GPLv3 and CCL
 *
 */

namespace CoreShop\Component\Index\Filter;

use CoreShop\Component\Index\Condition\ConcatCondition;
use CoreShop\Component\Index\Condition\LikeCondition;
use CoreShop\Component\Index\Listing\ListingInterface;
use CoreShop\Component\Index\Model\FilterConditionInterface;
use CoreShop\Component\Index\Model\FilterInterface;
use Symfony\Component\HttpFoundation\ParameterBag;

class SearchConditionProcessor implements FilterConditionProcessorInterface
{
    public function prepareValuesForRendering(FilterConditionInterface $condition, FilterInterface $filter, ListingInterface $list, array $currentFilter): array
    {
        $objects = $list->load();

        return [
            'type' => 'search',
            'label' => $condition->getLabel(),
            'currentValue' => $currentFilter['searchTerm'],
            'objects' => $objects,
            'fieldName' => $condition->getConfiguration()['name'],
        ];
    }

    public function addCondition(FilterConditionInterface $condition, FilterInterface $filter, ListingInterface $list, array $currentFilter, ParameterBag $parameterBag, bool $isPrecondition = false): array
    {
        $fields = $condition->getConfiguration()['fields'];
        $name = $condition->getConfiguration()['name'];

        $value = $parameterBag->get($name);

        if (empty($value)) {
            $value = $condition->getConfiguration()['searchTerm'];
        }

        $currentFilter['searchTerm'] = $value;

        if ($value === static::EMPTY_STRING) {
            $value = null;
        }

        if (!empty($value) && !empty($fields)) {
            $likeConditions = [];
            $pattern = $condition->getConfiguration()['pattern'];

            foreach ($fields as $field) {
                $fieldName = $isPrecondition ? 'PRECONDITION_' . $field : $field;

                $likeConditions[] = new LikeCondition($fieldName, $pattern, $value);

                unset($field);
            }

            $concatenator = $condition->getConfiguration()['concatenator'] ?: 'OR';

            $list->addCondition(new ConcatCondition($name, $concatenator, $likeConditions), $name);
        }

        return $currentFilter;
    }
}
