<?php

namespace EP\EpTheme\ViewHelpers;

/***************************************************************
 *
 *  Copyright notice
 *
 *  (c) 2021 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;

class ThemeClassesViewHelper extends AbstractViewHelper
{
    public function initializeArguments()
    {
        parent::initializeArguments();

        $this->registerArgument('key', 'string', 'The theme key', false, 'ep');
        $this->registerArgument('classes', 'array', 'The classes to apply per theme key', true);
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return mixed
     */
    public function render()
    {
        $themeKey = $this->arguments['key'];
        if (!array_key_exists($themeKey, $this->arguments['classes'])) {
            return '';
        }
        return $this->arguments['classes'][$themeKey];
    }
}