define([
	"Game/Server/GameController",
	"Game/Core/NotificationCenter"
], 

function(GameController, NotificationCenter) {

	function Channel(coordinatorLink) {
		var self = this;

		this.coordinatorLink = coordinatorLink;
		this.coordinatorLink.receive = function(message) { self.onMessage(message) };
		
		this.users = {};

		this.gameController = new GameController();
		this.gameController.loadLevel("default.json");
		/*
		var self = this;
		NotificationCenter.on("processGameCommandFromUser", function(topic, args) {
			self.processGameCommandFromUser.apply(self, args);
		});
*/
	}

	Channel.validateName = function(name){
		return true;
	}

	// Messages look like:
	// {chanel: {setName: 'foo'}}
	// {user: {jupm: null}, id: 12}
	Channel.prototype.onMessage = function(message) {

		for(var recipient in message) {

			switch(recipient) {

				case 'user':
					this.users[message.id].onMessage(message.user);
					break;
				case 'id': // Do nothing, it is needed by the user
					break;
				case 'channel':
					this.onCommand(message.channel);
					break;
				default: 
					throw 'unknown recipient';
					break;
			}
		}
	};

	Channel.prototype.onCommand = function(message) {
		for(var command in message) {
			switch(command) {

				case 'setName':
					this.name = message[command];
					console.log("Chanel name set to '" + this.name + "'");
					break;
				default:
					throw 'unknown command';
					break;
			}
		}
	};
/*
	Channel.prototype.addUser = function(user){
		var userIds = Object.keys(this.users);

		this.users[user.id] = user;

		user.sendCommand('joinSuccess', {channelName: this.name, id: user.id, userIds: userIds});
		this.sendCommandToAllUsersExcept('userJoined', user.id, user);

		NotificationCenter.trigger('user/joined', user);
	}

	Channel.prototype.releaseUser = function(user) {
		this.gameController.userIdLeft(user.id);

		this.sendCommandToAllUsersExcept("userLeft", user.id, user);
		delete this.users[user.id];
	}

	Channel.prototype.sendCommandToAllUsers = function(command, options) {
		for(var id in this.users) {
			this.users[id].sendCommand(command, options);
		}
	}

	Channel.prototype.sendCommandToAllUsersExcept = function(command, options, except_user) {
		for(var id in this.users) {
			if (id != except_user.id) {
				this.users[id].sendCommand(command, options);
			}
		}
	}

	Channel.prototype.processGameCommandFromUser = function(command, options, user) {
		this.gameController.progressGameCommandFromUser(command, options, user);
	}
*/
	return Channel;
	
});