<?php

namespace Evoweb\EwBase\ViewHelpers;

/*
 * This file is developed by evoWeb.
 *
 * 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.
 */

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

class HashViewHelper extends AbstractViewHelper
{
    use CompileWithRenderStatic;

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

    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerArgument('action', 'string', 'Target action');
        $this->registerArgument('arguments', 'array', 'Arguments for the controller action, associative array');
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return string
     */
    public static function renderStatic(
        array $arguments,
        \Closure $renderChildrenClosure,
        RenderingContextInterface $renderingContext
    ) {
        $result = '';
        if (
            $arguments['action'] !== null
            && $arguments['arguments'] !== null
            && isset($arguments['arguments']['user'])
        ) {
            $result = \TYPO3\CMS\Core\Utility\GeneralUtility::hmac(
                $arguments['action'] . '::' . $arguments['arguments']['user']
            );
        }

        return $result;
    }
}