<?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 ContainerViewHelper extends AbstractViewHelper
{
    /**
     * @var int[]
     */
    protected static $scale = [
        'default' => 0,
        'small' => 8,
        'large' => 16,
    ];

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

    /**
     * @var array
     */
    protected static $columnsWithoutContainers = [ 0, 1, 3 ];

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

        $this->registerArgument('content', 'string', 'The content');
        $this->registerArgument('cssClasses', 'string', 'Additional CSS classes');
        $this->registerArgument('rteContent', 'boolean', 'Is RTE content', false, false);
        $this->registerArgument('data', 'Array', 'The record data', true);
    }

    /**
     * @param array $arguments
     * @param \Closure $renderChildrenClosure
     * @param RenderingContextInterface $renderingContext
     * @return mixed
     */
    public function render()
    {
        $content = $this->renderChildren();
        if ($content === null) {
            $content = $this->arguments['content'];
        }
        $classes = [];
        if (\in_array($this->arguments['data']['colPos'], static::$columnsWithoutContainers, false)) {
            $classes[] = 'container';
        }
        if ($this->arguments['cssClasses'] !== null) {
            $classes[] = $this->arguments['cssClasses'];
        }
        if (!empty($this->arguments['data']['space_before_class'])) {
            $scaleTop = static::$scale[$this->arguments['data']['space_before_class']];
            $classes[] = sprintf('pt-%d', $scaleTop);
        }
        if (!empty($this->arguments['data']['space_after_class'])) {
            $scaleBottom = static::$scale[$this->arguments['data']['space_after_class']];
            $classes[] = sprintf('pb-%d', $scaleBottom);
        }
        if ('default' !== $this->arguments['data']['frame_class']) {
            $classes[] = $this->arguments['data']['frame_class'];
        }
        if (count($classes) > 0) {
            return sprintf('<div class="%s"%s>%s</div>', implode(' ', $classes), $this->arguments['rteContent'] ? ' data-rte-content' : '', $content);
        }
        if ($this->arguments['rteContent']) {
            return sprintf('<div data-rte-content>%s</div>', $content);
        }
        return $content;
    }
}