<?php
/**
 * 2007-2019 PrestaShop and Contributors
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * https://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@prestashop.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
 * versions in the future. If you wish to customize PrestaShop for your
 * needs please refer to https://www.prestashop.com for more information.
 *
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright 2007-2019 PrestaShop SA and Contributors
 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 * International Registered Trademark & Property of PrestaShop SA
 */
use PrestaShop\PrestaShop\Adapter\Search\SearchProductSearchProvider;
use PrestaShop\PrestaShop\Core\Product\Search\ProductSearchQuery;
use PrestaShop\PrestaShop\Core\Product\Search\SortOrder;

class SearchControllerCore extends ProductListingFrontController
{
    public $php_self = 'search';
    public $instant_search;
    public $ajax_search;

    protected $search_string;
    protected $search_tag;

    /**
     * Assign template vars related to page content.
     *
     * @see FrontController::initContent()
     */
    public function init()
    {
        parent::init();

        $this->search_string = Tools::getValue('s');
        if (!$this->search_string) {
            $this->search_string = Tools::getValue('search_query');
        }

        $this->search_tag = Tools::getValue('tag');

        $this->context->smarty->assign(
            array(
                'search_string' => $this->search_string,
                'search_tag' => $this->search_tag,
            )
        );
    }

    /**
     * Ensure that no search results page is indexed by search engines.
     */
    public function getTemplateVarPage()
    {
        $page = parent::getTemplateVarPage();

        $page['meta']['robots'] = 'noindex';

        return $page;
    }

    /**
     * Performs the search.
     */
    public function initContent()
    {
        parent::initContent();

        $this->doProductSearch('catalog/listing/search', array('entity' => 'search'));
    }

    protected function getProductSearchQuery()
    {
        $query = new ProductSearchQuery();
        $query
            ->setSortOrder(new SortOrder('product', 'position', 'desc'))
            ->setSearchString($this->search_string)
            ->setSearchTag($this->search_tag);

        return $query;
    }

    protected function getDefaultProductSearchProvider()
    {
        return new SearchProductSearchProvider(
            $this->getTranslator()
        );
    }

    public function getListingLabel()
    {
        return $this->getTranslator()->trans('Search results', array(), 'Shop.Theme.Catalog');
    }

    public function getBreadcrumbLinks()
    {
        $breadcrumb = parent::getBreadcrumbLinks();
        $breadcrumb['links'][] = array(
            'title' => $this->getTranslator()->trans('Search results', array(), 'Shop.Theme.Catalog'),
            'url' => $this->getCurrentUrl(),
        );

        return $breadcrumb;
    }
}