var WebSocketHandler = function(terminal, uri) {

	this.terminal = terminal;
	this.uri = uri;

	this.webSocket = new WebSocket(uri);

	var self = this;

	this.onOpen = function(e) {
		self.terminal.ui.println('Connected to ' + self.uri, self.INFO_COLOR);
	};

	this.onClose = function(e) {
		self.terminal.ui.println('Disconnected from ' + self.uri, self.INFO_COLOR);
	};

	this.onMessage = function(e) {
		var packet = JSON.parse(e.data);
		var id = packet.id;
		if (id == null) {
			self.terminal.ui.println('ID is null', self.FAILURE_COLOR);
			return;
		}
		var callback = self.terminal.callbacks[id.toString()];
		delete self.terminal.callbacks[id.toString()];
		var args = self.terminal.args[id.toString()];
		delete self.terminal.args[id.toString()];
		if (callback == null) {
			self.terminal.ui.println('Callback is null for ID ' + id, self.FAILURE_COLOR);
			return;
		}
		callback(packet, args);
	};

	this.onError = function(e) {
		self.terminal.ui.println('Error on ' + self.uri, self.INFO_COLOR);
	};

	this.webSocket.onopen = this.onOpen;
	this.webSocket.onclose = this.onClose;
	this.webSocket.onmessage = this.onMessage;
	this.webSocket.onerror = this.onError;

};

WebSocketHandler.prototype.INFO_COLOR = '#a080a0';
WebSocketHandler.prototype.SUCCESS_COLOR = '#4080c0';
WebSocketHandler.prototype.FAILURE_COLOR = '#f06040';