<?php

namespace EP\EpTheme\ViewHelpers;

/***************************************************************
 *
 *  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;

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

        $this->registerArgument('options', 'array', 'The options');
        $this->registerArgument('daytrip', 'bool', 'Is daytrip or not', false, false);
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return mixed
     */
    public function render()
    {
        if ($this->arguments['daytrip']) {
            return 'Tageweise buchbar';
        }
        $options = $this->arguments['options'];
        if ($options === null) {
            return '';
        }
        sort($options);
        $optionsCount = count($options);
        $lastOption = array_pop($options);
        $output = '';
        if ($optionsCount > 2) {
            $output .= implode(', ' , $options) . ' oder ' . $lastOption;
        } elseif ($optionsCount === 2) {
            $output .= reset($options) . ' oder ' . $lastOption;
        } else {
            $output = $lastOption;
        }
        $output .= (int) $lastOption > 1 ? ' Nächte' : ' Nacht';
        return $output;
    }

}