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<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Installer;

\defined('JPATH_PLATFORM') or die;

use Joomla\CMS\Application\ApplicationHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Log\Log;
use Joomla\CMS\Object\CMSObject;

/**
 * Extension object
 *
 * @since  3.1
 */
class InstallerExtension extends CMSObject
{
	/**
	 * Filename of the extension
	 *
	 * @var    string
	 * @since  3.1
	 */
	public $filename = '';

/**
	 * Type of the extension
	 *
	 * @var    string
	 * @since  3.1
	 */
	public $type = '';

/**
	 * Unique Identifier for the extension
	 *
	 * @var    string
	 * @since  3.1
	 */
	public $id = '';

/**
	 * The status of the extension
	 *
	 * @var    boolean
	 * @since  3.1
	 */
	public $published = false;

/**
	 * String representation of client. Valid for modules, templates and languages.
	 * Set by default to site.
	 *
	 * @var    string
	 * @since  3.1
	 */
	public $client = 'site';

/**
	 * The group name of the plugin. Not used for other known extension types (only plugins)
	 *
	 * @var string
	 * @since  3.1
	 */
	public $group = '';

/**
	 * An object representation of the manifest file stored metadata
	 *
	 * @var object
	 * @since  3.1
	 */
	public $manifest_cache = null;

/**
	 * An object representation of the extension params
	 *
	 * @var    object
	 * @since  3.1
	 */
	public $params = null;

/**
	 * The namespace of the extension
	 *
	 * @var    string
	 * @since  4.0.0
	 */
	public $namespace = null;

/**
	 * Constructor
	 *
	 * @param   \SimpleXMLElement  $element  A SimpleXMLElement from which to load data from
	 *
	 * @since  3.1
	 */
	public function __construct(\SimpleXMLElement $element = null)
	{
		if ($element)
		{
			$this->type = (string) $element->attributes()->type;
			$this->id = (string) $element->attributes()->id;

switch ($this->type)
			{
				case 'component':
					// By default a component doesn't have anything
					break;

case 'module':
				case 'template':
				case 'language':
					$this->client = (string) $element->attributes()->client;
					$tmp_client_id = ApplicationHelper::getClientInfo($this->client, 1);

if ($tmp_client_id == null)
					{
						Log::add(Text::_('JLIB_INSTALLER_ERROR_EXTENSION_INVALID_CLIENT_IDENTIFIER'), Log::WARNING, 'jerror');
					}
					else
					{
						$this->client_id = $tmp_client_id->id;
					}
					break;

case 'plugin':
					$this->group = (string) $element->attributes()->group;
					break;

default:
					// Catch all
					// Get and set client and group if we don't recognise the extension
					if ($element->attributes()->client)
					{
						$this->client_id = ApplicationHelper::getClientInfo($this->client, 1);
						$this->client_id = $this->client_id->id;
					}

if ($element->attributes()->group)
					{
						$this->group = (string) $element->attributes()->group;
					}
					break;
			}

$this->filename = (string) $element;
		}
	}
}