<?php
/**
 * Akeeba Engine
 * The modular PHP5 site backup engine
 * @copyright Copyright (c)2009-2014 Nicholas K. Dionysopoulos
 * @license GNU GPL version 3 or, at your option, any later version
 * @package akeebaengine
 *
 */

namespace Akeeba\Engine\Filter;

// Protection against direct access
defined('AKEEBAENGINE') or die();

use Akeeba\Engine\Factory;
use Akeeba\Engine\Platform;

/**
 * Add site's main database to the backup set.
 */
class Sitedb extends Base
{
	public function __construct()
	{
		// This is a directory inclusion filter.
		$this->object	= 'db';
		$this->subtype	= 'inclusion';
		$this->method	= 'direct';
		$this->filter_name = 'Sitedb';

		// Add a new record for the core Joomla! database
		// Get core database options
		$configuration = Factory::getConfiguration();

		if($configuration->get('akeeba.platform.override_db',0)) {
			$options = array(
				'port'		=> $configuration->get('akeeba.platform.dbport',''),
				'host'		=> $configuration->get('akeeba.platform.dbhost',''),
				'user'		=> $configuration->get('akeeba.platform.dbusername',''),
				'password'	=> $configuration->get('akeeba.platform.dbpassword',''),
				'database'	=> $configuration->get('akeeba.platform.dbname',''),
				'prefix'	=> $configuration->get('akeeba.platform.dbprefix',''),
			);
			$driver = '\\Akeeba\\Engine\\Driver\\'.ucfirst($configuration->get('akeeba.platform.dbdriver','mysqli'));
		} else {
			$options = Platform::getInstance()->get_platform_database_options();
			$driver = Platform::getInstance()->get_default_database_driver(true);
		}


		$host = $options['host'];
		$port	= array_key_exists('port', $options) ? $options['port'] : NULL;
		if(empty($port)) $port = null;
		$socket	= NULL;
		$targetSlot = substr( strstr( $host, ":" ), 1 );
		if (!empty( $targetSlot )) {
			// Get the port number or socket name
			if (is_numeric( $targetSlot ) && is_null($port))
				$port	= $targetSlot;
			else
				$socket	= $targetSlot;

			// Extract the host name only
			$host = substr( $host, 0, strlen( $host ) - (strlen( $targetSlot ) + 1) );
			// This will take care of the following notation: ":3306"
			if($host == '')
				$host = 'localhost';
		}

		// This is the format of the database inclusion filters
		$entry = array(
			'host' => $host,
			'port' => is_null($socket) ? (is_null($port) ? '' : $port) : $socket,
			'username' => $options['user'],
			'password' => $options['password'],
			'database' => $options['database'],
			'prefix' => $options['prefix'],
			'dumpFile' => 'site.sql',
			'driver' => $driver
		);

		// We take advantage of the filter class magic to inject our custom filters
		$configuration = Factory::getConfiguration();

		$this->filter_data['[SITEDB]'] = $entry;

		parent::__construct();
	}
}