(function(){
	var sound = SoundCache.getSound("https://hifi-content.s3.amazonaws.com/caitlyn/production/observatory-button/ServoShrt.wav");
	var playing = false;
	var howLong = 1000*10;

	Messages.subscribe("com.realitybloc.observatory");

	var observatoryButtonEntityID = undefined;
	this.preload = function(entityID) {
		observatoryButtonEntityID = entityID;
	}

	function onMessageReceived(chan, msg) {
		if (chan!="com.realitybloc.observatory") return;
		if (msg!="pressed") return;
		if (playing==true) return;
		playing = true;

		// get observatory
		var observatoryEntityID = Entities.findEntitiesByName(
			"Observatory", {x:0,y:0,z:0}, 1000000
		)[0];
		if (!observatoryEntityID) return;
		var observatoryEntity = Entities.getEntityProperties(observatoryEntityID, ["position", "parentID"]);

		// do animation on observatory button
		Entities.editEntity(observatoryButtonEntityID, {
			animation: {
				frame: 0,
				running: true,
				loop: false,
			}
		});

		// tell clients its playing
		Messages.sendMessage("com.realitybloc.observatory", "playing");

		// play sound
		Audio.playSound(sound, {
			position: observatoryEntity.position,
			volume: 0.7
		});

		// make light entity
		var lightEntityID = Entities.addEntity({
			type: "Light",
			parentID: observatoryEntity.parentID,
			position: Vec3.sum(
				observatoryEntity.position,
				{x:0, y:-2, z:0}
			),
			rotation: Quat.fromPitchYawRollDegrees(45, 0, 0),

			dimensions: {x:20, y:20, z:20},
			color: {r:183, g:189, b:153},
			intensity: 100,
			falloffRadius: 2,
			isSpotlight: true,
			exponent: 1,
			cutoff: 60,
		});

		// rotate light entity
		var dateNow = Date.now()
		var interval = Script.setInterval(function() {
			Entities.editEntity(lightEntityID, {
				rotation: (
					Quat.fromPitchYawRollDegrees(
						45, (Date.now()-dateNow)*-0.075, 0
					)
				)
			});
		}, 1000/90);

		// clean up
		Script.setTimeout(function() {
			Script.clearInterval(interval);
			Entities.deleteEntity(lightEntityID);

			if (observatoryButtonEntityID) {
				// stop animation
				Entities.editEntity(observatoryButtonEntityID, {
					animation: { running: false }
				});
			}

			playing = false;
		}, howLong);
	}

	// init and cleanup
	Messages.messageReceived.connect(onMessageReceived);
	// Script.setTimeout(function() {
	// 	console.log("unloading");
	// 	Messages.messageReceived.disconnect(onMessageReceived);
	// 	Messages.unsubscribe("com.realitybloc.observatory");
	// }, 1000*30);
})