<?php
final class Ezrael_Loader
{
 public static $_controller = null;
 private static $_path = 'application/controller/';
 public static $_action = null;
 private static $_argument = null;
 private static $_rest = false;
 private static $_file = null;

 private static function init()
 {
  if(substr($_SERVER["REQUEST_URI"], -1) != "/")
   header("Location: ".$_SERVER["REQUEST_URI"]."/");
 }

 public static function get_controller()
 {
  self::check_controller();

  if(!file_exists(self::$_file))
  {
   self::$_controller = 'error';
   self::$_file = self::$_path.self::$_controller.'Controller.php';
  }

  require_once self::$_file;

  $class = self::$_controller.'Controller';
  $mycontroller = new $class();
  $mycontroller->init();

  if(!is_callable(array($mycontroller, self::$_action)))
   $myaction = 'indexAction';
  else
   $myaction = self::$_action;

  if(!self::$_rest)
  {
   if(!isset(self::$_action))
   {
    $mycontroller->$myaction();
   }
   else
   {
    $mycontroller->$myaction(self::$_argument);
   }

  }
  else
  {
   $mycontroller->$myaction(self::$_argument, self::$_rest);
  }

 }

 private static function check_controller()
 {
  self::init();
  $uris = array();
  $uris = self::dispatch_url();

  if($uris[0] == '' || empty($uris[0]))
  {
   self::$_controller = 'index';
  }
  else
  {
   self::$_controller = $uris[2];
   if(isset($uris[4]) and !empty($uris[4]))
   {
    self::$_action = $uris[4].'Action';
   }
   else
   {
    self::$_action = 'indexAction';
   }

   if(isset($uris[3]) and !empty($uris[3]))
    self::$_argument = $uris[3];
  }

  self::$_file = self::$_path.self::$_controller.'Controller.php';

  if(isset($uris[5]) and !empty($uris[5]))
  {
   self::$_rest = array();
   for($i = 5; $i <= count($uris); $i++)
   {
    self::$_rest[$uris[$i+1]] = $uris[$i];
   }
  }
 }

 private static function dispatch_url()
 {
  $url = explode('/', htmlspecialchars(mysql_escape_string($_SERVER['REQUEST_URI'])));
  $counter = count($url);

  //Ezrael::register('first', $url[1]);

  for($i = 3; $i <= count($url); $i += 2)
  {
   $vals[$i-1] = $url[$i-1];
   $vals[$i] = $url[$i];
  }

  unset($vals[$counter - 1]);

  return $vals;
 }
}