<?php
/**
* @package		Komento
* @copyright	Copyright (C) Stack Ideas Sdn Bhd. All rights reserved.
* @license		GNU/GPL, see LICENSE.php
* Komento is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
defined('_JEXEC') or die('Unauthorized Access');

require_once(__DIR__ . '/abstract.php');

class KomentoComzoo extends KomentoExtension
{
	public $_item = null;
	public $_map = [
		'id' => 'id',
		'title' => 'name',
		'hits' => 'hits',
		'created_by' => 'created_by',
		'permalink' => 'permalink',
		'state' => 'state'
		];

	public function __construct($component)
	{
		$this->addFile(JPATH_ADMINISTRATOR . '/components/com_zoo/config.php');

		parent::__construct($component);
	}

	public function load($cid)
	{
		static $instances = null;

		// @task: If we don't have the id, we really can't do anything here.
		if (!$cid) {
			return false;
		}

		if (is_null($instances)) {
			$instances = [];
		}

		if (!array_key_exists($cid, $instances)) {
			$zooApp = App::getInstance('zoo');
			$this->_item = $zooApp->table->item->get($cid);

			if (!$this->_item) {
				return $this->onLoadArticleError($cid);
			}

			$this->_item->permalink	= $zooApp->route->item($this->_item);
			$this->_item->permalink = $this->prepareLink($this->_item->permalink);

			$instances[$cid] = $this->_item;
		}

		$this->_item = $instances[$cid];

		return $this;
	}

	public function getContentIds($categories = '')
	{
		$db	= KT::db();
		$query = '';

		if (empty($categories)) {
			$query = 'SELECT DISTINCT `item_id` FROM ' . $db->nameQuote('#__zoo_category_item') . ' ORDER BY `item_id`';
		} else {

			if (is_array($categories)) {
				$categories = implode(',', $categories);
			}

			$query = 'SELECT DISTINCT `item_id` FROM ' . $db->nameQuote('#__zoo_category_item') . ' WHERE `category_id` IN (' . $categories . ') ORDER BY `item_id`';
		}

		$db->setQuery($query);
		return $db->loadResultArray();
	}

	public function getCategories()
	{
		$db	= KT::db();
		$query = 'SELECT c.`id`, c.`name` AS `title`, c.`parent` AS `parent_id`, c.`name`, c.`parent`'
				. ' FROM `#__zoo_category` as c USE INDEX (APPLICATIONID_ID_INDEX)'
				. ' ORDER BY c.`ordering`';
		$db->setQuery($query);
		$categories	= $db->loadObjectList();

		$children = [];

		foreach ($categories as $row) {
			$pt = $row->parent_id;
			$list = @$children[$pt] ? $children[$pt] : [];
			$list[] = $row;
			$children[$pt] = $list;
		}

		$categories	= JHTML::_('menu.treerecurse', 0, '', [], $children, 9999, 0, 0);

		return $categories;
	}

	public function isListingView()
	{
		$views = ['frontpage', 'category', 'alphaindex', 'tag'];

		if (in_array($this->input->get('view'), $views)) {
			return true;
		}

		if (in_array($this->input->get('task'), $views)) {
			return true;
		}

		return false;
	}

	public function isEntryView()
	{
		$task = $this->input->get('task', '', 'string');
		$view = $this->input->get('view', '', 'string');

		if ($task === 'item' || $view === 'item') {
			return true;
		}

		return false;
	}

	public function onExecute(&$article, $html, $view, $options = [])
	{
		if ($view == 'listing') {
			$article->text .= $html;
			return $html;
		}

		if ($view == 'entry') {
			$article->text .= $html;
			return $html;
		}
	}

	public function onBeforeLoad($eventTrigger, $context, &$article, &$params, &$page, &$options)
	{
		if (!is_object($article)) {
			return false;
		}

		if (!property_exists($article, $this->_map['id'])) {
			if (!isset($params[$this->_map['id']])) {
				return false;
			}

			$article->{$this->_map['id']} = $params[$this->_map['id']];
		}

		return true;
	}

	public function getCategoryId()
	{
		return $this->_item->getParams()->get('config.primary_category', null);
	}

	public function getContext()
	{
		if (version_compare($this->getVersion(), '4.0.0') >= 0) {
			return 'com_zoo.element.textarea';
		}

		return 'com_zoo';
	}

	public function getAuthorName()
	{
		return $this->_item->created_by_alias ? $this->_item->created_by_alias : $this->_item->author->name;
	}

	public function getVersion()
	{
		$app = App::getInstance('zoo');

		return $app->zoo->version();
	}
}