<?php
/* задаем базовый путь */
$basePath = dirname(__FILE__);
set_include_path(get_include_path().PATH_SEPARATOR.$basePath);

/* подключаем autoload */
include('classes/Core/Autoload.class.php');
Core_Autoload::setClassesDir('classes');
Core_Autoload::register();

/* инициализируем сайт */
$siteSwitcher = new Core_SiteSwitcher();
$sites = include('config/sites.conf.php');
$siteSwitcher->addSites($sites);
$site = $siteSwitcher->getSiteByDomain($_SERVER['HTTP_HOST']);
if( $site===false )
{
    throw new Exception('Site '.$_SERVER['HTTP_HOST'].' is not recognized');
}
Core_User::init();
Core_Registry::set('site',$site);
/* инициализируем роутинг */
$uri = isset($_GET['a']) ? $_GET['a'] : $_SERVER['REQUEST_URI'];
if( substr($uri,0,1)!='/' )
{
    $uri = '/'.$uri;
}
$noRewriteMod = false;
$requestUri = $_SERVER['REQUEST_URI'];
if( !empty($_SERVER['QUERY_STRING']) ){
    $pos = strrpos($requestUri,$_SERVER['QUERY_STRING']);
    if( $pos!==false ){
        $requestUri = substr($requestUri,0,$pos-1);
    }
    if( substr($requestUri,-8)=='main.php' ){
        $requestUri = substr($requestUri,0,-8);
        $noRewriteMod = true;
    }
}
if( isset($_GET['a']) && ($prefixEndPos=strrpos($requestUri,$uri))!==false )
{
    $pathPrefix = substr($requestUri,0,$prefixEndPos);
}else
{
    $pathPrefix = '';
}
$router = new Core_Router(array(
    'defaultController' => 'error',
    'defaultAction' => 'notFound',
    'defaultView' => 'notFound',
    'pathPrefix' => $pathPrefix,
    'pathPrefixDin' => ($noRewriteMod?'main.php?a=':$pathPrefix),
));
$routes = include('config/routes.conf.php');
if( !isset($routes[$site->sitename]) )
{
    throw new Exception('Routes for this site are not defined');
}
$router->addRoutes($routes[$site->sitename]);
$page = $router->resolvePath($uri);

/* выполняем действие контроллера */
$page->controller = ucfirst($page->controller);
$pageName = 'Controllers_'.$site->sitename.'_'.$page->controller;
try{
    $pageObject = new $pageName($page->action);
}catch( Exception $exception )
{
    throw new Exception('Cannot load controller `'.$page->controller.'`');
}
if( !method_exists($pageObject,$page->action.'Action') )
{
    throw new Exception('Action `'.$page->action.'` not found');
}
$data = $pageObject->{$page->action.'Action'}($page->parameters);
if( is_array($data) )
{
    if( !empty($data['layout']) )
    {
        $page->layout = $data['layout'];
        unset($data['layout']);
    }
    if( !empty($data['view']) )
    {
        $page->view = $data['view'];
        unset($data['view']);
    }
}

if( !isset($data['responseType']) || !in_array($data['responseType'],array('html','json')) )
{
    $data['responseType'] = null;
}

/* рендерим отображение */
$viewObject = new Core_View();
Core_Registry::set('view',$viewObject);
$viewObject->setUrlGetter(array(&$router,'getUrlByRoute'));
if( !empty($data['responseCode']) )
{
    $viewObject->setResponseCode($data['responseCode']);
    unset($data['responseCode']);
}
$responseType = empty($data['responseType']) ? null : $data['responseType'];

switch( $responseType )
{
    case 'json':
        unset($data['responseType']);
        echo json_encode($data);
    break;
    default:
        $viewObject->setPageParams(array_merge($data,array(
            'pathPrefix' => $pathPrefix,
            'siteName' => $site->sitename,
        )));
        $content = $viewObject->render('views/'.$site->sitename.'/content/'.$page->view,true);
        $viewObject->setPageParams(array(
            'content' => $content,
        ));
        $viewObject->render('views/'.$site->sitename.'/layouts/'.$page->layout);
    break;
}
?>