<?php
/**
 * bootstrap.class.php
 * Created by Komma Mediadesign.
 * Author: mike
 * Date: 3/19/13
 */

class Bootstrap extends Controller{

    public function __construct()
    {
        /*
         * Start the session
         */
        Session::init();

        /*
         * Error / Success handling
         */
        $Alert = new Alert();
        if($alert = $Alert->get())
        {
            echo $alert;
        }

        /*
         * Convert URL_PAGE & URL_SUB to a controller and a method within a controller
         */
        $cntr = '';
        $method = '';
        if(defined('URL_LANG'))
        {
            $LanguageHandler = new LanguageHandler();
            $LanguageHandler->set(URL_LANG);


        }
        if(defined('URL_PAGE'))
        {
            $cntr = URL_PAGE;
        }
        if(defined('URL_SUB'))
        {
            $method = URL_SUB;
        }

        /*
         * Check whether a user is logged in
         */
        $Login = new Login();
        $Login->loadModel('login');
        if($Login->Model->isLoggedIn())
        {
            /*
             * If URL_PAGE is not defined, call the homepage controller.
             */
            if(empty($cntr))
            {
                require_once DOCUMENT_ROOT.'controllers/c_home.class.php';
                $Controller = new Home();
                $Controller->index();
                return false;
            }

            $name = str_replace('-','_',$cntr);

            /*
             * Check if the controller file exists.
             * If so, require the file and create a new Controller object
             */
            $file = DOCUMENT_ROOT . 'controllers/c_' . strtolower($name) . '.class.php';
            if(is_file($file))
            {
                require_once $file;
            }
            else
            {
                header("HTTP/1.0 404 Not Found");
                header('location:'.SITE_ROOT.'404/');
                exit;
            }

            /*
             * Catch 404
             */
            if($name == '404') $name = 'Page_Not_Found';

            /*
             * PAGE -> Create a controller object and load the model
             * Note that the Login controller is already added in the top of this page.
             */
            if($name != 'login')
            {
                $Controller = new $name;
                $Controller->loadModel($name);
            }
            else
            {
                $Controller = $Login;
            }

            /*
             * SUB -> If SUB exists as a method, call that method.
             * If no sub,
             */
            if( ! empty($method))
            {
                if(method_exists($Controller, $method))
                {
                    $Controller->{$method}();
                    return true;
                }
            }
            else
            {
                if(method_exists($Controller, 'index'))
                {
                    $Controller->index();
                    return true;
                }
            }
            $Controller->Functions->notFound();
        }
        else
        {
            if( ! empty($method))
            {
                if(method_exists($Login, $method))
                {
                    $Login->{$method}();
                    return true;
                }
            }
            else if(method_exists($Login, 'index'))
            {
                $Login->index();
                return true;
            }
            $Login->Functions->notFound();
        }
        return false;
    }
}