$(document).ready(function(){

	var keys = ["AIzaSyAobtIM9MXaMsxwYIl3UWppbDU9lN9i0SY", "AIzaSyB8Ye39ZELzbEtOesRAOWPMS3Ya9jRSyh4", "AIzaSyDC1Gs3Y6XLo4TSH2I2SYFimPctgtJNLYw"];
		ytID = '';
		twitch_data = '';
		titleForNtf = '';
		twitchID = '';
		nowOnline = '';

	ChannelType = {
		YOUTUBE : 0,
		TWITCH : 1
	};

	var liveStatus = new Array();
		liveStatus[ChannelType.TWITCH] = 'offline';
		liveStatus[ChannelType.YOUTUBE] = 'offline';

	var NilfgornChannelId = "UCEdCg-dup5LY-v5Y5F7IeTQ";

	updateData();



	function getTwitch(){
		$.ajax({
			url: 'https://api.twitch.tv/kraken/streams/nilfgorn',
			type: 'GET',
			async: false,
			complete: function(senddata){
				var data=JSON.stringify(senddata);
					data=JSON.parse(data);
					twitch_data=JSON.parse(data.responseText);
				if (twitch_data.stream == null){
					liveStatus['tw'] = 'offline';
				} else {
					if (twitchID == twitch_data.stream._id) {
						liveStatus[ChannelType.TWITCH] = 'offline';
					} else {
						liveStatus[ChannelType.TWITCH] = 'online';
						twitchID = twitch_data.stream._id;
						titleForNtf = twitch_data.stream.channel.status + ' (' + twitch_data.stream.channel.game + ')';
					}
				};
			}
		});
	};


	function sendData(dataToSend)
	{
		var data=JSON.stringify(dataToSend);
			data=JSON.parse(data);
			check_yt_result = JSON.parse(data.responseText);

		if (check_yt_result.items[0].id.videoId == ytID) 
		{
			if (cid == NilfgornChannelId) 
			{
				liveStatus[ChannelType.YOUTUBE] = 'offline';
			} 
			else 
			{
				liveStatus[ChannelType.TWITCH] = 'offline';
			}
		} 
		else 
		{
			if (cid == NilfgornChannelId) 
			{
				liveStatus[ChannelType.YOUTUBE] = 'online';
			} 
			else 
			{
				liveStatus[ChannelType.TWITCH] = 'online';
			}
		}
	}

	function getYoutubeLive(cid)
	{
		urlLink = 'https://www.googleapis.com/youtube/v3/search?key='+keys[Math.floor((Math.random() * 3))]+'&part=snippet&type=video&channelId='+cid+'&order=date&eventType=' ;
		$.ajax({
			url: urlLink + 'live',
			type: 'GET',
			async: false,
			complete: function(dataToSend){
				var data=JSON.stringify(dataToSend);
					data=JSON.parse(data);
					yt_result=JSON.parse(data.responseText);

				if (yt_result.pageInfo.totalResults == 0 || nowOnline == yt_result.items[0].id.videoId)
				{
					if (cid == NilfgornChannelId) 
					{
						liveStatus[ChannelType.YOUTUBE] = 'offline';
					} 
					else 
					{
						liveStatus[ChannelType.TWITCH] = 'offline';
					}
				}
				else
				{
					if (cid == NilfgornChannelId) 
					{
							liveStatus[ChannelType.YOUTUBE] = 'online';
							nowOnline =  yt_result.items[0].id.videoId;
							titleForNtf = yt_result.items[0].snippet.title;
					} 
					else 
					{
						liveStatus[ChannelType.TWITCH] = 'online';
						nowOnline =  yt_result.items[0].id.videoId;
						titleForNtf = yt_result.items[0].snippet.title;
					};

					ytID = yt_result.items[0].id.videoId;

					$.ajax({
						url: urlLink + 'completed',
						type: 'GET',
						async: false,
						complete: function(dataToSend){
                            sendData(dataToSend);
                        };
					});
				}
			}
		});
	};





	function updateData() {
		
		getTwitch();

		if (liveStatus[ChannelType.TWITCH]=='online') {

			var mailNotification = new Notification(titleForNtf, {
				tag: "tw",
				body: "Прямо сейчас на Twitch'e",
				icon: "src/img/livetwitch.png"
			});
			mailNotification.onclick = function(){
				window.open("http://twitch.tv/nilfgorn");
				mailNotification.close();
			};

		} else {

			getYoutubeLive(NilfgornChannelId); // UCEdCg-dup5LY-v5Y5F7IeTQ  UCCCPCZNChQdGa9EkATeye4g

			if (liveStatus['yt']=='online') {

				var mailNotification = new Notification(titleForNtf, {
					tag: "yt",
					body: "Прямо сейчас на YouTube'e",
					icon: "src/img/liveyoutube.png"
				});
				mailNotification.onclick = function(){
					window.open("https://youtu.be/" + ytID);
					mailNotification.close();
				};

			} else {

				getYoutubeLive(NilfgornChannelId);

				if (liveStatus[ChannelType.TWITCH] == 'online') {

					var mailNotification = new Notification(titleForNtf, {
						tag: "aw",
						body: "Прямо сейчас на YouTube'e",
						icon: "src/img/liveyoutube.png"
					});
					mailNotification.onclick = function(){
						window.open("https://youtu.be/" + ytID);
						mailNotification.close();
					};

				}
			}
		};
		setTimeout(updateData, 1000*60*2); // 2 minutes
	}
});