<?php

$startTime = microtime(true);

$fileDir = dirname(__FILE__);
if (file_exists($fileDir . '/301config.php'))
{
	include($fileDir . '/301config.php');
}

require($fileDir . '/library/XenForo/Autoloader.php');
XenForo_Autoloader::getInstance()->setupAutoloader($fileDir . '/library');

XenForo_Application::initialize($fileDir . '/library', $fileDir);
XenForo_Application::set('page_start_time', $startTime);

$inputHandler = new XenForo_Input(new Zend_Controller_Request_Http());

$input = $inputHandler->filter(array(
	'p' => XenForo_Input::UINT,
	'showtopic' => XenForo_Input::UINT,
	'showforum' => XenForo_Input::UINT,
	'showuser' => XenForo_Input::UINT,
	'attach_id' => XenForo_Input::UINT,

	'app' => XenForo_Input::STRING,
	'module' => XenForo_Input::STRING,
	'section' => XenForo_Input::STRING,
));

if ($input['p'])
{
	$input['type'] = '__p__';
	$input['id'] = $input['p'];
}
else if ($input['showtopic'])
{
	$input['type'] = 'topic';
	$input['id'] = $input['showtopic'];
}
else if ($input['showforum'])
{
	$input['type'] = 'forum';
	$input['id'] = $input['showforum'];
}
else if ($input['showuser'])
{
	$input['type'] = 'user';
	$input['id'] = $input['showuser'];
}
else if ($input['attach_id'] && $input['app'] == 'core' && $input['module'] == 'attach' &&  $input['section'] = 'attach')
{
	$input['type'] = 'attachment';
	$input['id'] = $input['attach_id'];
}
else if (!preg_match('#(?P<type>__p__)(?P<id>\d+)#s', $_SERVER['REQUEST_URI'], $input)) // posts
{
	preg_match('#/(?P<type>topic|forum|user)/(?P<id>\d+)#s', $_SERVER['REQUEST_URI'], $input); // threads, forums, users
}

if (!empty($input['id']))
{
	/* @var $importModel XenForo_Model_Import */
	$importModel = XenForo_Model::create('XenForo_Model_Import');
	$target = false;

	switch ($input['type'])
	{
		case 'forum':
		{
			if ($newId = $importModel->mapNodeId($input['id']))
			{
				$target = XenForo_Link::buildPublicLink('canonical:forums', array('node_id' => $newId));
			}
			break;
		}

		case 'topic': // threads
		{
			if ($newId = $importModel->mapThreadId($input['id']))
			{
				$target = XenForo_Link::buildPublicLink('canonical:threads', array('thread_id' => $newId));
			}
			break;
		}

		case '__p__': // posts
		{
			if ($newId = $importModel->mapPostId($input['id']))
			{
				$target = XenForo_Link::buildPublicLink('canonical:posts', array('post_id' => $newId));
			}
			break;
		}

		case 'attachment':
		{
			if ($newId = $importModel->mapAttachmentId($input['id']))
			{
				$target = XenForo_Link::buildPublicLink('canonical:attachments', array('attachment_id' => $newId));
			}
			break;
		}

		case 'user':
		{
			if ($newId = $importModel->mapUserId($input['id']))
			{
				$target = XenForo_Link::buildPublicLink('canonical:members', array('user_id' => $newId));
			}
			break;
		}
	}
}

if (empty($target))
{
	$target = XenForo_Link::buildPublicLink('canonical:index');
}

$response = new Zend_Controller_Response_Http();
$response->setRedirect(XenForo_Link::convertUriToAbsoluteUri($target), 301);
$response->sendResponse();