(function() {

	// subscribe
	var channels = "abc".split("").map(function(chan){return "com.henkel."+chan});
	channels.forEach(function(chan) {
		Messages.subscribe(chan);
	});

	// receive messages
	function onMessageReceived(chan, msg) {
		var json = undefined;
		try { json = JSON.parse(msg);
		} catch(err) { return; }

		switch (json.position) {
			case "card":
				// update selected entity
				var selectedEntityID = Entities.findEntitiesByName(
					json.room+"_"+json.type+"_selected",
					{x:0,y:0,z:0}, 100
				)[0];
				if (!selectedEntityID) return;

				var selectedEntity = Entities.getEntityProperties(selectedEntityID, ["dimensions"]);
				Entities.editEntity(selectedEntityID, {
					modelURL: json.modelURL,
					dimensions: {
						x: selectedEntity.dimensions.x,
						y: selectedEntity.dimensions.y,
						z: 0.0011,
					}
				});

				// weird dimensions bug
				Script.setTimeout(function() {
					Entities.editEntity(selectedEntityID, {
						dimensions: {
							x: selectedEntity.dimensions.x,
							y: selectedEntity.dimensions.y,
							z: 0.001,
						}
					});
				}, 100);
			break;
			case "workmat":
				var selectedEntityID = Entities.findEntitiesByName(
					json.room+"_"+json.type+"_selected",
					{x:0,y:0,z:0}, 100
				)[0];
				if (!selectedEntityID) return;

				var selectedEntity = Entities.getEntityProperties(selectedEntityID, ["modelURL", "originalTextures"]);
				var selectedFilename = selectedEntity.modelURL.split("/").pop();
				var selectedResults = new RegExp(/([ABC])_(value|function)(.*?)_(card|workmat)(?:_[A-Z]|)\.fbx/).exec(selectedFilename);

				if (json.room!=selectedResults[1]) return;
				if (json.number!=selectedResults[3]) {
					console.log("Incorrect!");
					return;
				}

				// spawn on top of workmat
				// var onTopWorkmatID = Entities.cloneEntity(selectedEntityID);
				// Script.setTimeout(function() {
				// 	Entities.editEntity(onTopWorkmatID, {
				// 		name: "Clone",
				// 		position: Vec3.sum(json.workmat.position, {x:0,y:0.02,z:0}),
				// 		rotation: json.workmat.rotation,
				// 		dimensions: json.workmat.dimensions,
				// 		collisionless: true,
				// 		userData: "{\"grabbableKey\":{\"grabbable\":false}}",
				// 		lifetime: -1
				// 	});
				// }, 100);
				Entities.addEntity({
					type: "Model",
					name: "Clone",
					modelURL: selectedEntity.modelURL,
					position: Vec3.sum(json.workmat.position, {x:0,y:0.01,z:0}),
					rotation: Quat.multiply(json.workmat.rotation, Quat.fromPitchYawRollDegrees(90,0,0)),
					dimensions: {
						x: json.workmat.dimensions.x,
						y: json.workmat.dimensions.z,
						z: json.workmat.dimensions.y,
					},
					originalTextures: selectedEntity.originalTextures,
					collisionless: true,
					userData: "{\"grabbableKey\":{\"grabbable\":false}}",
					lifetime: -1,
				});
			break;
		}
	}

	Messages.messageReceived.connect(onMessageReceived);

	// script ending 
	//Script.scriptEnding.connect(function() {
	// Script.setTimeout(function() {
	// 	console.log("unloading");
	// 	Messages.messageReceived.disconnect(onMessageReceived);
	// 	channels.forEach(function(chan) {
	// 		Messages.unsubscribe(chan);
	// 	});
	// }, 1000*30);

})