<?php
/**
 * @version $Id$
 * @package DJ-MediaTools
 * @copyright Copyright (C) 2017 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
 * @developer Szymon Woronowski - szymon.woronowski@design-joomla.eu
 *
 * DJ-MediaTools 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.
 *
 * DJ-MediaTools 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with DJ-MediaTools. If not, see <http://www.gnu.org/licenses/>.
 *
 */

defined ('_JEXEC') or die('Restricted access');

jimport('joomla.application.component.view');
jimport('joomla.application.component.model');
jimport('joomla.html.pagination');


class DJMediatoolsViewCategory extends JViewLegacy {

	protected $params = null;
	protected $category = null;
	protected $slides = null;
	protected $categories = null;
	protected $pagination = null;

	function display($tpl = null) {

		// Initialise variables
		JModelLegacy::addIncludePath(JPATH_COMPONENT.'/models');
		$model = JModelLegacy::getInstance('Categories','DJMediaToolsModel',array('ignore_request'=>false));

		$params = $model->getParams();
		$category = $model->getItem();

		// Check for errors.
		if (count($errors = $this->get('Errors'))) {
			JError::raiseWarning(500, implode("\n", $errors));
			return false;
		}

		if ($category === false)
		{
			JError::raiseError(404, JText::_('COM_DJMEDIATOOLS_ERROR_CATEGORY_NOT_FOUND'));
			return false;
		}

		// get gallery slides and layout
		$helper = DJMediatoolsLayoutHelper::getInstance($params->get('layout', 'slideshow'));
		$params->def('gallery_id',$category->id.'c');
		$params->def('category',$category->id.':'.$category->alias);
		$params->def('source',$category->source);
		$params = $helper->getParams($params);
		$slides = $helper->getSlides($params);



		if($slides) {
			$helper->addScripts($params);
			$helper->addStyles($params);
			$navigation = $helper->getNavigation($params);
			$this->slides = $slides;
			$this->navigation = $navigation;
		}

		if($params->get('show_subcategories') != 'hide') {

			$subcategories = $model->getItems();
			$pagination = $model->getPagination();

			foreach($subcategories as $item) {

				if(empty($item->image)) $item->image = 'administrator/components/com_djmediatools/assets/icon-album.png';

				if(!$item->thumb = DJImageResizer::createThumbnail($item->image, 'media/djmediatools/cache', $params->get('cwidth', 200), $params->get('cheight', 150), $params->get('cresizing', 'crop'),  $params->get('cquality', 80))) {
					$item->thumb = $item->image;
				}
				if(strcasecmp(substr($item->thumb, 0, 4), 'http') != 0 && !empty($item->thumb)) {
					$item->thumb = JURI::root(true).'/'.$item->thumb;
				}
			}
			$this->subcategories = $subcategories;
			$this->pagination = $pagination;
		}

		//Escape strings for HTML output
		$this->pageclass_sfx = htmlspecialchars($params->get('pageclass_sfx',''));

		$this->params = $params;
		$this->category = $category;

		$this->_prepareDocument();

        parent::display($tpl);
	}

	protected function _prepareDocument() {

		$app	= JFactory::getApplication();
		$menus	= $app->getMenu();
		$pathway= $app->getPathway();
		$title	= null;

		// Because the application sets a default page title,
		// we need to get it from the menu item itself
		$menu = $menus->getActive();
		if ($menu)
		{
			$this->params->def('page_heading', $this->params->get('page_title', $menu->title));
		} else {
			$this->params->def('page_heading', JText::_('COM_DJMEDIATOOLS'));
		}
		$title = $this->params->get('page_title', '');

		$id = (int) @$menu->query['id'];

		// if the menu item does not concern this article
		if ($menu && ($menu->query['option'] != 'com_djmediatools' || $menu->query['view'] != 'category' || $id != $this->category->id))
		{
			if ($this->category->title) {
				$title = $this->category->title;
			}

			$path = array(array('title' => $title, 'link' => ''));
			$model = JModelLegacy::getInstance('Categories','DJMediaToolsModel',array('ignore_request'=>false));
			$category = $model->getItem($this->category->parent_id);

			if ($category) {
				while ($category != 'root' && ($menu->query['option'] != 'com_djmediatools' || $id != $category->id))
				{
					$category->slug = $category->alias ? $category->id.':'.$category->alias : $category->id;
					$path[] = array('title' => $category->title, 'link' => JRoute::_(DJMediatoolsHelperRoute::getCategoryRoute($category->slug, $category->parent_id)));
					$category = $model->getItem($category->parent_id);
				}
			}

			$path = array_reverse($path);

			foreach ($path as $item)
			{
				$pathway->addItem($item['title'], $item['link']);
			}
		}

		if (empty($title)) {
			$title = $app->getCfg('sitename');
		}
		elseif ($app->getCfg('sitename_pagetitles', 0) == 1) {
			$title = JText::sprintf('JPAGETITLE', $app->getCfg('sitename'), $title);
		}
		elseif ($app->getCfg('sitename_pagetitles', 0) == 2) {
			$title = JText::sprintf('JPAGETITLE', $title, $app->getCfg('sitename'));
		}
		$this->document->setTitle($title);

		if ($this->params->get('menu-meta_description'))
		{
			$this->document->setDescription($this->params->get('menu-meta_description'));
		}

		if ($this->params->get('menu-meta_keywords'))
		{
			$this->document->setMetadata('keywords', $this->params->get('menu-meta_keywords'));
		}

		if ($this->params->get('robots'))
		{
			$this->document->setMetadata('robots', $this->params->get('robots'));
		}

		$this->document->addCustomTag('<meta property="og:title" content="'.trim($title).'" />');
		if (!empty($this->category->description)) {
			$metadesc = JHtml::_('string.truncate', $this->category->description, 300, true, false);
			$this->document->addCustomTag('<meta property="og:description" content="'.trim($metadesc).'" />');
		}
		if($this->category != 'root') {
			$link = JRoute::_(DJMediatoolsHelperRoute::getCategoryRoute($this->category->id.':'.$this->category->alias, $this->category->parent_id), true, -1);
		} else {
			$link = JURI::current();
		}
		$this->document->addCustomTag('<meta property="og:url" content="'.$link.'" />');
		if (!empty($this->category->image)) {
			if(!$image = DJImageResizer::createThumbnail($this->category->image, 'media/djmediatools/cache', 1200, 630, 'toWidth', 75)) {
				$image = $this->category->image;
			}

			$path = JPath::clean(JPATH_ROOT . '/' .$image);
			$size = @getimagesize($path);

			if(strcasecmp(substr($image, 0, 4), 'http') != 0) {
				$image = JURI::root().$image;
			}
			$this->document->addCustomTag('<meta property="og:image" content="'.$image.'" />');
			if(isset($size[0])) $this->document->addCustomTag('<meta property="og:image:width" content="'.$size[0].'" />');
			if(isset($size[1])) $this->document->addCustomTag('<meta property="og:image:height" content="'.$size[1].'" />');
		}
	}

}