<?php
/**
 * @package DJ-Catalog2
 * @copyright Copyright (C) DJ-Extensions.com, All rights reserved.
 * @license http://www.gnu.org/licenses GNU/GPL
 * @author url: http://dj-extensions.com
 * @author email contact@dj-extensions.com
 *
 */
use Joomla\CMS\HTML\HTMLHelper;

// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

jimport('joomla.plugin.plugin');
class plgDJCatalog2Pagebreak extends JPlugin{
	
	public function __construct(& $subject, $config)
	{
		parent::__construct($subject, $config);
		$this->loadLanguage();
	}
	
	function onPrepareItemDescription( &$row, &$params, $page=0, $context = 'item' )
	{
		jimport('joomla.utilities.utility');
		
		$app = JFactory::getApplication();
		
		// expression to search for
		$regex = '#<hr([^>]*?)class=(\"|\')system-pagebreak(\"|\')([^>]*?)\/*>#iU';
		
		// Get Plugin info

		JPlugin::loadLanguage( 'plg_djcatalog2_pagebreak', JPATH_ADMINISTRATOR );
		// replacing readmore with <br /> - we don't need it
		$row->description = str_replace("<hr id=\"system-readmore\" />", "<br />", $row->description);
		
		if ( strpos( $row->description, 'class="system-pagebreak' ) === false && strpos( $row->description, 'class=\'system-pagebreak' ) === false ) {
			return true;
		}
		
		$view  = $app->input->get('view', null, 'string');
		
		if (!JPluginHelper::isEnabled('djcatalog2', 'pagebreak') || ($view != 'item' && $view != 'itemstable' && $view != 'items' && $view != 'producer')) {
			$row->description = preg_replace( $regex, '', $row->description );
			return;
		}
		
		// find all instances of plugin and put in $matches
		$matches = array();
		preg_match_all( $regex, $row->description, $matches, PREG_SET_ORDER );
		
		// split the text around the plugin
		$text = preg_split( $regex, $row->description );
		$title = array();
		
		// count the number of pages
		$n = count( $text );
		
		if ($n > 1)
		{
			$pluginParams = $this->params;
			$style = $pluginParams->get( 'accordion', 2 );
			
			$jinput = JFactory::getApplication()->input;
			if ($jinput->get('print', null) == '1' && $jinput->get('tmpl') == 'component') {
				$style = 'none';
			}
			
			$row->description = '';
			$row->description .= $text[0];
			
			$i = 1;
			
			foreach ( $matches as $match ) {
				if ( @$match[0] )
				{
					$attrs = JUtility::parseAttributes($match[0]);
					
					if ( @$attrs['alt'] )
					{
						$title[] = stripslashes( $attrs['alt'] );
					}
					elseif ( @$attrs['title'] )
					{
						$title[] = stripslashes( $attrs['title'] );
					}
					else
					{
						$title[] =  JText::sprintf( 'PLG_DJCATALOG2_PAGEBREAK_TOGGLE', $i );
					}
				}
				else
				{
					$title[] =  JText::sprintf( 'PLG_DJCATALOG2_PAGEBREAK_TOGGLE', $i );
				}
				$i++;
			}
			
			$row->tabs = '';
			
			$group_id = 'tab-'.htmlspecialchars($row->alias).'-';
			
			if ($style == '1' || $style == '2') {
				//$row->tabs .= '<div class="accordion" id="'.$group_id.'">';
				
				if ($style == '1') {
					$row->tabs .= (string) HTMLHelper::_('bootstrap.startAccordion', 'djc2--pagebreak-acc', ['active' => 'item-' . $row->id . '-' . '0']);
				} else {
					$row->tabs .= (string) HTMLHelper::_('uitab.startTabSet', 'djc2--pagebreak-tabs', ['active' => 'item-' . $row->id . '-' . '0', 'view' => 'tabs']);
				}
				
				
				for($i = 1; $i < $n; $i++) {
					$id = 'item-' . $row->id . '-' . ($i-1);
					
					if ($style == '1') {
						$row->tabs .= (string) HTMLHelper::_('bootstrap.addSlide', 'djc2--pagebreak-acc', $title[$i-1], $id);
						$row->tabs .= $text[$i];
						$row->tabs .= (string) HTMLHelper::_('bootstrap.endSlide');
					} else {
						$row->tabs .= (string) HTMLHelper::_('uitab.addTab', 'djc2--pagebreak-tabs', $id, $title[$i-1]);
						$row->tabs .= $text[$i];
						$row->tabs .= (string) HTMLHelper::_('uitab.endTab');
					}
				}
				
				if ($style == '1') {
					$row->tabs .= (string) HTMLHelper::_('bootstrap.endAccordion');
				} else {
					$row->tabs .= (string) HTMLHelper::_('uitab.endTabSet');
				}
				
				
			}
			else {
				$row->tabs .= '<div class="djc_pagebreak">';
				
				for($i = 1; $i < $n; $i++) {
					$row->tabs .= '<h3 class="djc_pagebreak-title">'.$title[$i-1].'</h3>';
					$row->tabs .= '<div class="djc_pagebreak-content">'.$text[$i].'</div>';
				}
				
				$row->tabs .= '</div>';
			}
		}
		
		return true;
	}
	
}