<?php

namespace Webfan\Homepagesystem\EventFlow;

use webfan\hps\Event;

class StateVM2 extends State implements \Serializable
{
    const K = '^';

    protected $SecretSigningKey = null;
    public $serializeClosures = true;
    protected $events = [];

    public function getEvents()
    {
        return $this->events;
    }

    public function on($event, $callback, $obj = null, &$index = null)
    {
        if (!isset($this->events[$event])) {
          $this->events[$event] = [];
        }


             if(null===$index){
        //    $bin = new \frdl\webfan\Serialize\Binary\bin;
        //$index = $bin->serialize($cb);
        $index =  $this->_genKey($callback);
        }


          if($obj === null){
          if(true===$this->serializeClosures){
         //  $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
         //  $cb = $serializer->serialize($callback);
             $cb = \Opis\Closure\serialize($callback);
          }else{
               $cb = $callback;
          }

          }else{
        $cb = [$obj, $callback];
          }


           $this->events[$event][$index] = $cb;
         //   $this->events[$event][] = $cb;
        return $this;
    }

    public function trigger($eventName, $data = [], Event &$event = null)
    {
        if (!isset($this->events[$eventName])) return $this;


        $indexOf=0;
        foreach ($this->Iterator('Array', $this->events[$eventName]) as $callback) {
              $payload = array();

              $target = &$this;
              $evData = &$data;
                   array_push($payload, $eventName);
                   array_push($payload, $target);
             array_push($payload, $evData);

        if(null===$event){
        if(!is_object($data) || true !== $data instanceof Event){
          $event = new Event($eventName);
        }elseif(true === $data instanceof Event){
           $event = &$data;
        }
        }


        if(!is_object($data) || true !== $data instanceof Event){
             $payload[] = &$event;
        }


        if(is_string($callback)){
            // $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
            // $callback = $serializer->unserialize($callback);
            $callback = \Opis\Closure\unserialize($callback);
        }

             if(!is_callable($callback)){
            trigger_error('Cannot trigger Event '.$eventName.' on Listener #'.$indexOf, E_USER_WARNING);
            continue;
        }
        //  if(frdl\run($callback, $payload) === false) break;
          if(false === call_user_func_array($callback, $payload))break;

        if($event->isDefaultPrevented()){
            $event->setResult(null);
            break;
        }


        if($event->isPropagationStopped()){
            break;
        }

          $indexOf++;
        }
        return $this;
    }

    public function once($event, $callback, $obj = null)
    {
        $THAT = $this;
          $k = $this->_genKey($callback);
                 $callback= ($obj === null) ? $callback : [$obj, $callback];

         // $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
         // $cb = (is_callable($callback)) ? $serializer->serialize($callback) : $callback;
         $cb = (is_callable($callback)) ? \Opis\Closure\serialize($callback) : $callback;


           $func =function($event, $THAT, $data) use($cb, $k){
            $callback = unserialize($cb);

          //  $THAT->removeEventListener($event, $fn);
            //  unset($THAT->events[$event][$k]);
          //  $THAT->removeEventListener($event, $k);
            $events = $THAT->getEvents();
             unset($events[$event][$k]);
           $THAT->setEvents($events);


            $res = call_user_func_array($callback, func_get_args());

          return $res;
                 };

               $this->on($event, $func, null, $k);

        return $this;
    }

    protected function _genKey($cb)
    {
        //  $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
        //  $cb = (is_callable($cb)) ? $serializer->serialize($cb) : $cb;
           $cb = (is_callable($cb)) ? \Opis\Closure\serialize($cb) : $cb;

          $bin = new \frdl\webfan\Serialize\Binary\bin;
          $d = $bin->serialize( $cb );
          $k = sha1($d).strlen($d);

          return $k;
    }

    public function removeEventListener($event, $callback, $obj = null)
    {
        if (!isset($this->events[$event])) return $this;

          $events = $this->events;

           $listener = ($obj === null) ? $callback : array($obj, $callback);

         // $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
          $bin = new \frdl\webfan\Serialize\Binary\bin;
        //  $sl =(is_callable( $listener )) ? $serializer->serialize($listener) : $listener;
          $sl =(is_callable( $listener )) ? \Opis\Closure\serialize($listener) : $listener;

          //   $indexOf = 0;


         //   foreach ($this->Iterator('Array', $events[$event]) as $indexOf => $EventListener) {
          foreach ($events[$event] as $indexOf => $EventListener) {
        /*
        if(is_string($listener)&& !is_array($EventListener) && !is_string($EventListener) ){

             $EventListener = $serializer->serialize($EventListener);
        }
        */

           if($EventListener ===$sl || $EventListener === $bin->serialize($sl)  || $EventListener === $listener
           || $indexOf === $listener
           || $indexOf === $sl
           || $indexOf === $this->_genKey($callback)
         )    {
           //  array_splice($this->events[$event], $indexOf, 0);
           unset($events[$event][$indexOf]);


           if(0===count($events[$event]))unset($events[$event]);

         //    $indexOf--;
           }
        //    $indexOf++;
        }

           $this->events=$events;

        return $this;
    }

    public function setSecretSigningKey($key)
    {
        $this->SecretSigningKey = $key;
        return $this;
    }

    public function test()
    {
        echo '<pre>test; '.__METHOD__.'</pre>';
        return $this;
    }

    public function setEvents($events)
    {
        $this->events = $events;
        return $this;
    }

    public function serialize()
    {
        //      echo "Serializing MyClass...\n";
        //    return serialize($this->data);
        $events = $this->events;
        foreach($events as $name => $listeners){
           foreach(    $listeners as $index => $listener){
               if(is_array($listener) ){
                   $list=$listener;
                   $l = function() use($list){
                     return call_user_func_array($list, func_get_args());
                   };

                //   $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
                //   $events[$name][$index] = $serializer->serialize($l);
                  $events[$name][$index] = \Opis\Closure\serialize($l);
               }  elseif( !is_string($listener) ){
                 //  $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
                  // $events[$name][$index] = $serializer->serialize($listener);
                   $events[$name][$index] = \Opis\Closure\serialize($listener);
              }  else {

                    $events[$name][$index] = $listener;
               }
           }
        }

        //$context = $this->_context;

        ///    $context = serialize($context);


        $data = array(
            'events' => $this->events,
            //'tagName' => $this->tagName,
            "name" => $this->name,
        //    'context' => $context
        );

        $bin = new \frdl\webfan\Serialize\Binary\bin;
        return $bin->serialize($data);
    }

    public function unserialize($data)
    {
        //   echo "Unserializing MyClass...\n";
         //   $this->data = unserialize($data);
        $bin = new \frdl\webfan\Serialize\Binary\bin;
        $data = $bin->unserialize($data);

        //$data['context'] = unserialize($data['context']);

        //$this->_context=$data['context'];

        $this->name = $data['name'];


        //print_r($data['events']);die();

        foreach($data['events'] as $name => $listeners){
           foreach(    $listeners as $index => $listener){
               if( !is_string($listener) &&  !is_array($listener) ){
                  // $serializer = (null=== $this->SecretSigningKey) ? new \SuperClosure\Serializer() : new \SuperClosure\Serializer(null, $this->SecretSigningKey);
                  // $data['events'][$name][$index] = $serializer->unserialize($listener);
                   $data['events'][$name][$index] = \Opis\Closure\unserialize($listener);
              }
           }
        }

        $this->setEvents($data['events']);

          //if( $this->tagName !== $data['tagName']){
           //warning ???
          //}


        return $this;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzYzOTkzOTIxMDk4NTMzNiA1OTU0NTc2MDAxNzM4MTE0IDk1NjczODY1OTgzNjI2OTc=