<?php
 
 namespace elanpl\L3;
 
 class RouteInfo{
     // URL pattern path

     public $path;

     // Http method (ex. GET, POST, ANY)

     public $method;

     // The assigned structure (string, array, function...)

     public $result;

     // The route name

     public $name;

     // BeforeAction event handlers;

     public $beforeAction;

     // AfterAction event handlers;

     public $afterAction;

     // AfterResult event handlers;

     public $afterResult;

     public function __construct($method, $path, $result, $name = '')

     {

         $this->path = $path;
         $this->method = $method;
         $this->result = $result;
         $this->name = $name;
         $this->beforeAction = array();
         $this->afterAction = array();
         $this->afterResult = array();

     }
 

     public function addBeforeAction($event_handler){
         if($this->eventHandlerFormatCheck($event_handler, $match)){
             $this->beforeAction[] = $event_handler;

             return $this;
         }
         else{
             throw new \Exception("Wrong event handler format: $event_handler");
         }
     }
 

     public function addAfterAction($event_handler){
         if($this->eventHandlerFormatCheck($event_handler, $match)){
             $this->afterAction[] = $event_handler;

             return $this;
         }
         else{
             throw new \Exception("Wrong event handler format: $event_handler");
         }
     }
 

     public function addAfterResult($event_handler){
         if($this->eventHandlerFormatCheck($event_handler, $match)){
             $this->afterResult[] = $event_handler;

             return $this;
         }
         else{
             throw new \Exception("Wrong event handler format: $event_handler");
         }
     }
 

     public static function eventHandlerFormatCheck($event_handler, &$match){

         $pattern = '#^((?<class>[a-z0-9\\\\]+)::)?(?<function>[a-z0-9]+)(\\((?<arguments>[a-z0-9;,- ]+)?\\))?$#i';

         if(preg_match($pattern, $event_handler, $match)){
             if(isset($match['arguments'])){

                 $result = self::eventHandlerArgumentsFormatCheck($match['arguments'],$arguments_match);

                 return $result;
             }
             else{
                 return 1;
             }
         }
         else{
             return 0;
         }
     }
 

     public static function eventHandlerArgumentsFormatCheck($arguments, &$match){

         $match = explode(',', $arguments);
         return $match;
     }
 
  }