<?php

require_once 'Zend/Loader.php';

class Bootstrap
{

    public static $frontController = null;

    public static $root = '';

    public static $registry = null;

    public static function run()
    {
        self::prepare();
        $response = self::$frontController->dispatch();
        self::sendResponse($response);
    }

    public static function setupEnvironment()
    {
        error_reporting(E_ALL|E_STRICT);
        ini_set('display_errors', true);
        date_default_timezone_set('Europe/London');
        self::$root = dirname(dirname(__FILE__));
        define('HTMLPURIFIER_PREFIX', self::$root . '/library');
        self::_disableMagicQuotes();
    }

    public static function prepare()
    {
        self::setupEnvironment();
        Zend_Loader::registerAutoload();
        self::setupRegistry();
        self::setupConfiguration();
        self::setupFrontController();
        self::setupView();
        self::setupDatabase();
        self::setupAcl();
    }

    public static function setupFrontController()
    {
        self::$frontController = Zend_Controller_Front::getInstance();
        self::$frontController->throwExceptions(true);
        self::$frontController->returnResponse(true);
        self::$frontController->setControllerDirectory(
            array(
                'default' => self::$root . '/application/controllers',
                'admin' => self::$root . '/application/admin/controllers'
            )
        );
        $router = self::$frontController->getRouter();
        $router->addRoutes(self::_assembleRoutes());
        self::$frontController->setParam('registry', self::$registry);
        $response = new Zend_Controller_Response_Http;
        $response->setHeader('Content-Type', 'text/html; charset=UTF-8', true);
        self::$frontController->setResponse($response);
    }

    public static function setupView()
    {
        $view = new Zend_View;
        $view->setEncoding('UTF-8');
        $view->doctype('XHTML1_STRICT');
        $view->addHelperPath(
            self::$root . '/application/views/helpers',
            'ZFBlog_View_Helper_'
        );
        $viewRenderer = new Zend_Controller_Action_Helper_ViewRenderer($view);
        Zend_Controller_Action_HelperBroker::addHelper($viewRenderer);
        Zend_Layout::startMvc(
            array(
                'layoutPath' => self::$root . '/application/views/layouts',
                'layout' => 'common',
                'pluginClass' => 'ZFBlog_Layout_Controller_Plugin_Layout'
            )
        );
    }

    public static function sendResponse(Zend_Controller_Response_Http $response)
    {
    	$response->sendResponse();
    }

    public static function setupRegistry()
    {
        self::$registry = new Zend_Registry(array(), ArrayObject::ARRAY_AS_PROPS);
        Zend_Registry::setInstance(self::$registry);
    }

    public static function setupConfiguration()
    {
        $config = new Zend_Config_Ini(
            self::$root . '/config/config.ini',
            'general'
        );
        self::$registry->configuration = $config;
    }

    public static function setupDatabase()
    {
        $config = self::$registry->configuration;
        $db = Zend_Db::factory($config->db->adapter, $config->db->toArray());
        $db->query("SET NAMES 'utf8'");
        self::$registry->database = $db;
        Zend_Db_Table::setDefaultAdapter($db);
    }

    public static function setupAcl()
    {
        $auth = Zend_Auth::getInstance();
        $acl = new ZFBlog_Acl($auth);
        self::$frontController->setParam('auth', $auth);
        self::$frontController->setParam('acl', $acl);
        self::$frontController->registerPlugin(
            new ZFBlog_Controller_Plugin_Acl($auth, $acl)
        );
    }

    protected static function _assembleRoutes() 
    {
        $routes = array();
        $routes['entry']  = new Zend_Controller_Router_Route_Regex(
            '[0-9a-z\.\_!;,\+\-\%]+-(\d+)',
            array(
                'module' => 'default',
                'controller' => 'entry',
                'action'     => 'view'
            ),
            array(
                'id' => 1
            )
        );
        return $routes;
    }

    protected static function _disableMagicQuotes() 
    {
        if (get_magic_quotes_gpc()) {
            $_GET = self::_stripSlashes($_GET);
            $_POST = self::_stripSlashes($_POST);
            $_REQUEST = self::_stripSlashes($_REQUEST);
            $_COOKIE = self::_stripSlashes($_COOKIE);
        }
    }

    protected static function _stripSlashes($value) 
    {
        if (is_array($value)) {
            $value = array_map(array($this, '_stripSlashes'), $value);
        } else {
            $value = stripslashes($value);
        }
        return $value;
    }

}