<?php

namespace EP\EpTheme\ViewHelpers;

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

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

}