io.on('connection', function(socket){
	socket.zoff_id = socket.id;
	socket.emit("get_list");

	var guid = hash_pass(socket.handshake.headers["user-agent"] + socket.handshake.address + socket.handshake.headers["accept-language"]);

	socket.on('close', function() {
		console.log("closing socket");
	});

	socket.on('pinging', function() {
		socket.emit("ok");
	});

	var ping_timeout;
	var socketid = socket.zoff_id;
	var coll;
	var in_list = false;
    var name = "";
	var short_id;
	get_name(guid, {announce: false});
	get_short_id(socketid, 4, socket);
	var offline = false;
	var chromecast_object = false;

	socket.emit("guid", guid);

	socket.on('self_ping', function(msg) {
		var channel = msg.channel;
		if(offline) {
			db.collection("connected_users").update({"_id": "offline_users"}, {$addToSet: {users: guid}}, {upsert: true}, function(err, docs){});
		} else {
			db.collection("connected_users").update({"_id": channel}, {$addToSet: {users: guid}}, {upsert: true}, function(err, docs){
				db.collection("frontpage_lists").update({"_id": channel}, {$inc: {viewers: 1}}, {upsert: true}, function(){});
			});
		}
		/*if(name != "") {
			db.collection("user_names").update({"_id": "all_names"}, {$addToSet: {names: name}}, {upsert: true}, function(err, updated) {
				if(updated.nModified == 1) {
					db.collection("user_names").update({"guid": guid}, {$set: {name: name}}, {upsert:true}, function(err, update){});
				}
			});
		}*/
		db.collection("connected_users").update({"_id": "total_users"}, {$inc: {total_users: 1}}, {upsert: true}, function(err, docs){});
	});

	socket.on('chromecast', function(msg) {
		try {
			if(typeof(msg) == "object" && msg.hasOwnProperty("guid") && msg.hasOwnProperty("socket_id") && msg.hasOwnProperty("channel")) {
				db.collection("connected_users").find({"_id": msg.channel}, function(err, connected_users_channel) {
					if(connected_users_channel.length > 0 && connected_users_channel[0].users.indexOf(msg.guid) > -1) {
						guid = msg.guid;
						socketid = msg.socket_id;
						socket.zoff_id = socketid;
						coll = msg.channel;
						in_list = true;
						chromecast_object = true;
						socket.join(coll);
					}
				});
			}
		} catch(e) {
			return;
		}
	});

	socket.on("get_spread", function(){
		db.collection("connected_users").find({"_id": "total_users"}, function(err, tot) {
            db.collection("connected_users").find({"_id": "offline_users"}, function(err, off) {
				db.collection("connected_users").find({"_id": {$ne: "total_users"}, "_id": {$ne: "offline_users"}}, function(err, users_list) {
                    if(tot.length > 0 && off.length == 0) {
                        socket.emit("spread_listeners", {offline: 0, total: tot[0].total_users, online_users: users_list});
                    } else if(tot.length > 0 && off.length > 0){
						socket.emit("spread_listeners", {offline: off[0].users.length, total: tot[0].total_users, online_users: users_list});
					}
				});
            });
		});
	});

	socket.on('suggest_thumbnail', function(msg){
		thumbnail(msg, coll, guid, offline, socket);
	});

	socket.on('suggest_description', function(msg){
		description(msg, coll, guid, offline, socket);
	});

	socket.on("offline", function(msg){
		if(!msg.hasOwnProperty('status') && !msg.hasOwnProperty('channel')) {
			socket.emit("update_required");
			return;
		}
		var status = msg.status;
		var channel = msg.channel;
		if(status){
			in_list = false;
			offline = true;
			if(channel != "") coll = channel;
			if(coll !== undefined) {
				db.collection("connected_users").findAndModify({
					query: {"_id": coll},
					update: {$pull: {users: guid}},
					upsert: true,
				}, function(err, updated) {
					if(updated.nModified > 0) {
						io.to(coll).emit("viewers", updated.users);
						db.collection("connected_users").update({"_id": "total_users"}, {$inc: {total_users: -1}}, function(err, docs){});
					}
					remove_name_from_db(guid, name);
				});
			}

			remove_unique_id(short_id);

			db.collection("connected_users").update({"_id": "offline_users"}, {$addToSet: {users: guid}}, function(err, docs) {});
			db.collection("connected_users").update({"_id": "total_users"}, {$inc: {total_users: 1}}, function(err, docs) {});
		} else {
			offline = false;
			db.collection("connected_users").update({"_id": "offline_users"}, {$pull: {users: guid}}, function(err, docs) {
				check_inlist(coll, guid, socket, offline);
			});
		}
	});

	/*socket.on('namechange', function(msg)
	{
        if(coll == undefined) {
            coll = msg.channel;
        }
		namechange(msg.name, guid, coll, function(new_name) {
			name = new_name;
		});
	});

	socket.on('removename', function()
	{
		removename(guid, coll);
		name = "";
	});*/

	socket.on('chat', function (msg) {
		chat(msg, guid, offline, socket);
	});

	socket.on("all,chat", function(data)
	{
		all_chat(data, guid, offline, socket);
	});

	socket.on('frontpage_lists', function(msg)
	{
        console.log("First gotten", get_time());
		/*Frontpage.frontpage_lists(msg, socket);*/
		if(!msg.hasOwnProperty('version') || msg.version != VERSION || msg.version == undefined) {
		    socket.emit("update_required");
		  }

		console.log("gotten second ", get_time());
		  db.collection("frontpage_lists").find({frontpage:true}, function(err, docs){
		    console.log("gotten third ", get_time());
		        db.collection("connected_users").find({"_id": "total_users"}, function(err, tot){
		        console.log("sending frontpage ", get_time());
		        socket.compress(true).emit("playlists", {channels: docs, viewers: tot[0].total_users});
		        console.log("sent frontpage ", get_time());
		         });
		  });
	});

	socket.on('now_playing', function(list, fn)
	{
		now_playing(list, fn, socket);
	});

	socket.on('id', function(arr)
	{
		if(typeof(arr) == 'object')
		io.to(arr.id).emit(arr.id, {type: arr.type, value: arr.value});
	});

	socket.on('list', function(msg)
	{
		try {
      var list = msg.channel;
      if(list.length == 0) return;
      coll = emojiStrip(list).toLowerCase();
      coll = coll.replace("_", "");
      coll = encodeURIComponent(coll).replace(/\W/g, '');
      coll = filter.clean(coll);
    } catch(e) {
      return;
    }
		list(msg, guid, coll, offline, socket);
	});

	socket.on('end', function(obj)
	{
		if(coll === undefined) {
      try {
        coll = obj.channel;
        if(coll.length == 0) return;
        coll = emojiStrip(coll).toLowerCase();
        coll = coll.replace("_", "");
        coll = encodeURIComponent(coll).replace(/\W/g, '');
        coll = filter.clean(coll);
      } catch(e) {
        return;
      }
    }
		end(obj, coll, guid, offline, socket);
	});

	socket.on('add', function(arr)
	{
		if(coll !== undefined) {
      try {
        coll = arr.list;
        if(coll.length == 0) return;
        coll = emojiStrip(coll).toLowerCase();
        coll = coll.replace("_", "");
        coll = encodeURIComponent(coll).replace(/\W/g, '');
        coll = filter.clean(coll);
      } catch(e) {
        return;
      }
    }
		add(arr, coll, guid, offline, socket);
	});

	socket.on('delete_all', function(msg) {
		if(coll !== undefined) {
			try {
				coll = msg.channel;
				if(coll.length == 0) return;
				coll = emojiStrip(coll).toLowerCase();
				coll = coll.replace("_", "");
				coll = encodeURIComponent(coll).replace(/\W/g, '');
				coll = filter.clean(coll);
			} catch(e) {
				return;
			}
		}

		delete_all(msg, coll, guid, offline, socket);
	});

	socket.on('vote', function(msg)
	{
		if(coll !== undefined) {
      try {
        coll = msg.channel;
        if(coll.length == 0) return;
        coll = emojiStrip(coll).toLowerCase();
        coll = coll.replace("_", "");
        coll = encodeURIComponent(coll).replace(/\W/g, '');
        coll = filter.clean(coll);
      } catch(e) {
        return;
      }
    }
		voteUndecided(msg, coll, guid, offline, socket);
	});

	socket.on('password', function(inp)
	{
		password(inp, coll, guid, offline, socket);
	});

	socket.on('skip', function(list)
	{
		if(coll !== undefined) {
      try {
        coll = list.channel;
        if(coll.length == 0) return;
        coll = emojiStrip(coll).toLowerCase();
        coll = coll.replace("_", "");
        coll = encodeURIComponent(coll).replace(/\W/g, '');
        coll = filter.clean(coll);
      } catch(e) {
        return;
      }
    }
		skip(list, guid, coll, offline, socket);
	});

	socket.on('conf', function(params)
	{
		conf(params, coll, guid, offline, socket);
	});

	socket.on('shuffle', function(msg)
	{
		if(coll !== undefined) {
      try {
        coll = msg.channel;
        if(coll.length == 0) return;
        coll = emojiStrip(coll).toLowerCase();
        coll = coll.replace("_", "");
        coll = encodeURIComponent(coll).replace(/\W/g, '');
        coll = filter.clean(coll);
      } catch(e) {
        return;
      }
    }
		shuffle(msg, coll, guid, offline, socket);
	});

	socket.on('change_channel', function(obj)
	{
		if(coll === undefined && obj !== undefined && obj.channel !== undefined){
			try {
				coll = obj.channel;
				if(coll.length == 0) return;
				coll = emojiStrip(coll).toLowerCase();
				coll = coll.replace("_", "");
				coll = encodeURIComponent(coll).replace(/\W/g, '');
				coll = filter.clean(coll);
			} catch(e) {
				return;
			}
		}
		left_channel(coll, guid, short_id, in_list, socket, true);
		in_list = false;
	});

	socket.on('disconnect', function()
	{
		left_channel(coll, guid, short_id, in_list, socket, false);
	});

	socket.on('disconnected', function()
	{
		left_channel(coll, guid, short_id, in_list, socket, false);
	});

	socket.on('reconnect_failed', function()
	{
		left_channel(coll, guid, short_id, in_list, socket, false);
	});

	socket.on('connect_timeout', function()
	{
		left_channel(coll, guid, short_id, in_list, socket, false);
	});

	socket.on('error', function()
	{
		left_channel(coll, guid, short_id, in_list, socket, false);
	});

	socket.on('pos', function(obj)
	{

		if(coll !== undefined) {
			try {
				coll = obj.channel;
				if(coll.length == 0) return;
				coll = emojiStrip(coll).toLowerCase();
				coll = coll.replace("_", "");
				coll = encodeURIComponent(coll).replace(/\W/g, '');
				coll = filter.clean(coll);
			} catch(e) {
				return;
			}
		}

		if(coll == "" || coll == undefined || coll == null) {
			socket.emit("update_required");
			return;
		}

		db.collection(coll).find({views: {$exists: true}}, function(err, docs) {
			if(docs.length > 0 && (docs[0].userpass == undefined || docs[0].userpass == "" || (obj.hasOwnProperty('pass') && docs[0].userpass == decrypt_string(socketid, obj.pass)))) {
				check_inlist(coll, guid, socket, offline);
				send_play(coll, socket);
			} else {
				socket.emit("auth_required");
			}
		});
	});
});

send_ping();

function send_ping() {
	db.collection("connected_users").update({users: {$exists: true}}, {$set: {users: []}}, {multi: true}, function(err, docs){
		db.collection("connected_users").update({"_id": "total_users"}, {$set: {total_users: 0}}, {multi: true}, function(err, docs){
			db.collection("frontpage_lists").update({viewers: {$ne: 0}}, {$set: {"viewers": 0}}, {multi: true}, function(err, docs) {
				io.emit("self_ping");
				setTimeout(send_ping, 25000);
			});
		});
	});
}