(function(){ 
    var teleport;
    var portalDestination;
    var position;

    function playSound(entityID) {
        print("playing teleport sound");
        if (teleport.downloaded) {
            Audio.playSound(teleport, { position: position, volume: 0.80, localOnly: true });
        }
    };

    
    this.preload = function(entityID) {
        print("loading teleport script");
        teleport = SoundCache.getSound("http://s3.amazonaws.com/hifi-public/birarda/teleport.raw");
        props = Entities.getEntityProperties(entityID, ["position", "userData"]);
        position = props.position;
        portalDestination = props.userData;
    };

    this.enterEntity = function(entityID) {
      // get latest props in case we changed the destination
      print("enterEntity() .... The portal destination is " + portalDestination);
      if (portalDestination.length > 0) {
        print("Teleporting to hifi://" + portalDestination);
        Window.location = "hifi://" + portalDestination;
      }
      
    }; 
    
    this.leaveEntity = function(entityID) {
      print("leaveEntity() called ....");      
      playSound(entityID);
    };
    

    this.unload = function() {
        print("unloading teleport script");
    };
})