<?php
namespace WapplerSystems\Meilisearch\ViewHelpers;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
use TYPO3Fluid\Fluid\Core\ViewHelper\Traits\CompileWithRenderStatic;

/**
 * Class PageBrowserRangeViewHelper
 *
 * @author Frans Saris <frans@beech.it>
 * @author Timo Hund <timo.hund@dkd.de>
 */
class PageBrowserRangeViewHelper extends AbstractSolrFrontendViewHelper
{

    use CompileWithRenderStatic;

    /**
     * Initializes the arguments
     */
    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerArgument('from', 'string', 'from', false, 'from');
        $this->registerArgument('to', 'string', 'to', false, 'to');
        $this->registerArgument('total', 'string', 'total', false, 'total');
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return string
     */
    public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
    {
        $from = $arguments['from'];
        $to = $arguments['to'];
        $total = $arguments['total'];

        $resultSet = self::getUsedSearchResultSetFromRenderingContext($renderingContext);
        $search = $resultSet->getUsedSearch();
        $variableProvider = $renderingContext->getVariableProvider();

        $numberOfResultsOnPage = $resultSet->getSearchResults()->getCount();
        $numberOfAllResults = $resultSet->getAllResultCount();

        $resultsFrom = $search->getResponseBody()->start + 1;
        $resultsTo = $resultsFrom + $numberOfResultsOnPage - 1;
        $variableProvider->add($from, $resultsFrom);
        $variableProvider->add($to, $resultsTo);
        $variableProvider->add($total, $numberOfAllResults);

        $content = $renderChildrenClosure();

        $variableProvider->remove($from);
        $variableProvider->remove($to);
        $variableProvider->remove($total);

        return $content;
    }
}