<?php
/**
 * MS Framework
 *
 * @package    	MS Framework Plugin
 * @version 	1.2.1.573
 *
 * @author 		Michael Snoeren
 * @link 		https://snoerendevelopment.nl/
 * @license     GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html
 */

// Deny direct access
defined('_JEXEC') or die;

class PlgSystemMSFrameworkInstallerScript
{
	/**
	 * Class Data
	 * @var 	Boolean
	 * @access 	Private
	 */
	private $methodExists 		= false;

	/**
	 * Installation Preflight
	 * @access 	Public
	 * @return 	Void
	 */
	public function preflight()
	{
		jimport('joomla.filesystem.folder');
		jimport('joomla.filesystem.file');

		$file 					= __DIR__ . '/key.sdkey';
		$newFile 				= JPATH_ROOT . '/plugins/system/msframework/key.sdkey';
		$key 					= '';

		// Check the method before installing the software
		$this->methodExists 	= method_exists('MSFrameworkInstall', 'showMessage');

		// Copy the keyfile to the installation
		$key 					= $this->copyKey($file, $newFile);
	}

	/**
	 * Installation Postflight
	 * @param 	String 	$type 	The type of installation
	 * @access 	Public
	 * @return 	Void
	 */
	public function postflight($type)
	{
		// Enable the plugin by default
		$this->setEnabled();

		// Load the language
		$lang 					= JFactory::getLanguage();
		$lang->load('plg_msframework', JPATH_BASE, $lang->getTag(), true);

		// Run the update script
		if (!class_exists('MSFrameworkUpdater') &&
			file_exists(JPATH_ROOT . '/libraries/msframework/helpers/updater.php')) {
			require JPATH_ROOT . '/libraries/msframework/helpers/updater.php';
		}
		if (class_exists('MSFrameworkUpdater') && method_exists('MSFrameworkUpdater', 'execute')) {
			MSFrameworkUpdater::execute();
		}

		// Show a message
		if ($type === 'install') {
			if (!$this->methodExists) {
				JFactory::getApplication()->enqueueMessage(JText::_('PLG_MSFRAMEWORK_MSG_INSTALLED'), 'message');
			} else {
				MSFrameworkInstall::showMessage('PLG_MSFRAMEWORK_MSG_INSTALLED');
			}
		} elseif ($type === 'update') {
			if (!$this->methodExists) {
				JFactory::getApplication()->enqueueMessage(JText::_('PLG_MSFRAMEWORK_MSG_UPDATED'), 'message');
			} else {
				MSFrameworkInstall::showMessage('PLG_MSFRAMEWORK_MSG_UPDATED');
			}
		}

		// Install the key
		if (!class_exists('MSFrameworkKey')) {
			require JPATH_ROOT . '/plugins/system/msframework/helper/key.php';
		}
		MSFrameworkKey::set($key);
	}

	/**
	 * Set the plugin enabled
	 * @access 	Private
	 * @return 	Boolean
	 */
	private function setEnabled()
	{
		$db 					= JFactory::getDbo();
		$query 					= $db->getQuery(true);

		$query
		->update('#__extensions')
		->set(array(
			$db->quoteName('enabled') . ' = 1'
		))
		->where(array(
			$db->quoteName('name') . ' = ' . $db->quote('PLG_MSFRAMEWORK'),
			$db->quoteName('type') . ' = ' . $db->quote('plugin'),
			$db->quoteName('element') . ' = ' . $db->quote('msframework')
		));

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

	/**
	 * Copy the keyfile to the right location
	 * @param 	String 	$file 	The current file
	 * @param 	String 	$nfile 	The new file
	 * @access 	Private
	 * @return 	String 			Returns the key if found
	 */
	private function copyKey($file, $nfile)
	{
		$key 					= '';

		// Copy the keyfile to the installation
		if (JFile::exists($file)) {
			if (!JFolder::exists(dirname($nfile))) {
				JFolder::create(dirname($nfile));
			}

			rename($file, $nfile);
			$key 				= file_get_contents($nfile);

			// Remove any illegal stuff
			$key 				= preg_replace('/[^\w]/', '', $key);
		}

		return $key;
	}
}