<?php

namespace EP\EpTheme\ViewHelpers\Uri;

/***************************************************************
 *
 *  Copyright notice
 *
 *  (c) 2018 Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
 *
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *
 *  This script is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 ***************************************************************/

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

class ExternalImageViewHelper extends AbstractViewHelper
{
    use CompileWithRenderStatic;

    /**
     * @var bool
     */
    protected $escapeOutput = false;

    public function initializeArguments()
    {
        parent::initializeArguments();

        $this->registerArgument('url', 'string', 'The url');
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return mixed
     */
    public static function renderStatic(
        array $arguments,
        \Closure $renderChildrenClosure,
        RenderingContextInterface $renderingContext
    )
    {
        $url = $renderChildrenClosure();
        if ($url === null) {
            $url = $arguments['url'];
        }
        $encryptionKey = $GLOBALS['TYPO3_CONF_VARS']['SYS']['encryptionKey'];
        $token = sha1($url . $encryptionKey);
        return 'https://www.ep-reisen.de/typo3conf/ext/ep_theme/extimg.php?url=' . urlencode($url) . '&token=' . $token;
    }

}