(function() {
    var TELEPORT_SOUND_VOLUME = 0.40;

    var teleportSound;
    var portalDestination;
    var position;
    var canTeleport;

    function playSound(entityID) {
        if (teleportSound.downloaded) {
            if (!position) {
                getProps(entityID);
            }
            Audio.playSound(teleportSound, { position: position, volume: TELEPORT_SOUND_VOLUME, localOnly: true });
        }
    }

    function getProps(entityID) {
        var properties = Entities.getEntityProperties(entityID);
        if (properties) {
            position = properties.position;
            portalDestination = JSON.parse(properties.userData).location;
        }
    }

    this.preload = function(entityID) {
        teleportSound = SoundCache.getSound("http://s3.amazonaws.com/hifi-public/birarda/teleport.raw");
        getProps(entityID);
    };

    this.mouseReleaseOnEntity = function(entityID) {
        // get latest props in case we changed the destination
        getProps(entityID);

        if (portalDestination.length > 0) {
            playSound(entityID);
            Window.location = "hifi://" + portalDestination;
        }
    };
});