(function() {
    var MIN_DISTANCE = 1;
    var wasNearHead = false;
    var phoneyBoxPosition = null;

    this.startNearGrab = function(entityID, args) {
        print("starting PhoneyNearGrab!!");
        // var hand = args[0];
        wasNearHead = false;
        phoneyBoxPosition = null;
        Entities.findEntities(MyAvatar.position, 32000).forEach(function(entity) { 
            if (Entities.getEntityProperties(entity, 'name').name === 'PhoneyBox') {
                phoneyBoxPosition = Entities.getEntityProperties(entity, 'position').position;
                print("PhoneyBox found at " + JSON.stringify(phoneyBoxPosition));
            }
        });

    };
    this.continueNearGrab = function(entityID, args) {
        print("doing continueNearGrab for PhoneyBox.");
        // var hand = args[0];
        if (phoneyBoxPosition === null) {
            return;
        }
        var avatarHeadPosition = MyAvatar.getJointPosition(MyAvatar.getJointIndex('Head'));
        var phoneyPosition = Entities.getEntityProperties(entityID, 'position').position;
        var isNearHead = Vec3.distance(avatarHeadPosition, phoneyPosition) < MIN_DISTANCE;
        print("isNearHead = " + (isNearHead ? "true" : "false"));
        if (isNearHead === wasNearHead) {
            print("isNearHead === wasNearHead");
            return;
        }
        print("isNearHead !== wasNearHead");
        wasNearHead = isNearHead;
        if (isNearHead) {
            MyAvatar.customListenPosition = phoneyBoxPosition;
            MyAvatar.audioListenerMode = MyAvatar.audioListenerModeCustom;
            print('Calling in from ' + JSON.stringify(phoneyBoxPosition));
        } else {
            MyAvatar.audioListenerMode = MyAvatar.audioListenerModeHead;
            print('Stopped listening.');
        }
    };
    this.releaseGrab = function(entityID, args) {
        // var hand = args[0];
        print("releaseGrab happend here!!");
        //phoneyBoxPosition = null;
        if (wasNearHead) {
            MyAvatar.audioListenerMode = MyAvatar.audioListenerModeHead;
            wasNearHead = null;
        }
    };
    this.unload = function(entityID) {
        if (wasNearHead) {
            MyAvatar.audioListenerMode = MyAvatar.audioListenerModeHead;
        }
    };
});