(function() {

    // 
    // 
    // 

    function setAttachments(attachmentData) {
        /*var drinkAttachmentData = {
            Head: {
                jointName: 'Head',
                modelUrl: attachmentModel,
                rotation: {
                    x: 0,
                    y: 0,
                    z: 0
                },
                scale: scale,
                soft: false,
                translation: {
                    x: 0,
                    y: 0.280,
                    z: 0.01
                }
            }
        };*/
        print ('attaching' + JSON.stringify(attachmentData));

        var currentAttachments = MyAvatar.getAttachmentsVariant();
        var newAttachments = [];
        newAttachments.push(attachmentData);
        currentAttachments.forEach(function(attachment) {
            if (attachment.jointName !== attachmentData.jointName) {
                newAttachments.push(attachment);
            }
        });
        MyAvatar.setAttachmentsVariant(newAttachments);
    }

    var attachTheModel = function(entityID) {
        var properties = Entities.getEntityProperties(entityID, ['modelURL', 'dimensions', 'userData']);
        var attachment = null;
        try {
            var attachment = JSON.parse(properties.userData).attachment;
        } catch (e) {

        }
        if (attachment === null || attachment === undefined) {
            print('Could not find attachment data: bailing.')
            return;
        }

        if (attachment.jointName === undefined) {
            print('No jointName present: bailing.');
            return;
        }

        if (attachment.scale === undefined) {
            attachment.scale = Math.max.apply(Math, [properties.dimensions.x, properties.dimensions.y, properties.dimensions.z]);
        }

        if (attachment.modelUrl === undefined) {
            attachment.modelUrl = properties.modelURL;
        }

        setAttachments(attachment);
    };

    this.startNearTrigger = function(entityID, args) {
        attachTheModel(entityID);
    };
    this.clickReleaseOnEntity = function(entityID, mouseEvent) {
        attachTheModel(entityID);
    };
})