Vn.App = new Class
({
	Extends: Vn.Object

	,initialize: function ()
	{
		window.onerror = this.onWindowError.bind (this);
		Vn.Hash.initialize ();

		this.conn = new Db.Conn ();
		this.login = new Vn.Login ({conn: this.conn});
	}
	
	,run: function ()
	{
		if (Vn.Cookie.check ('vn_pass'))
		{
			this.conn.open (null, null, null,
				this.onAutoLogin.bind (this));
		}
		else
		{
			this.login.on ('login', this.onLogin, this);
			this.login.show ();
		}
	}
	
	,onAutoLogin: function (success)
	{
		if (!success)
		{
			Vn.Cookie.unset ('vn_pass');
			this.run ();
		}
		else
			this.onLogin ();
	}
	
	,onLogin: function ()
	{
		this.login.disconnectByInstance (this);
		this.login.hide ();
	
		var gui = new Vn.Gui ({conn: this.conn});
		gui.on ('logout', this.onLogout, this);
		gui.show ();
	}
	
	,onLogout: function (gui)
	{
		gui.hide ();
		gui.unref ();
		Vn.Cookie.unset ('vn_pass');
		this.run ();
	}
	
	,onWindowError: function (message, file, line)
	{
		var error = new Error (message);
		error.fileName = file;
		error.lineNumber = line;

		Htk.Toast.showError (_('There was an internal error'));
		this.notifyError (error);
	}
	
	,notifyError: function (error)
	{
		if (error instanceof Error)
		{
			var httpRequest = new Vn.HttpRequest ()
			httpRequest.add
			({
				 'file': error.fileName
				,'line': error.lineNumber
				,'message': error.message
				,'stack': error.stack
			});
			httpRequest.send ('log.php');
		}
	}
	
	,_destroy: function ()
	{
		this.login.unref ();
		this.conn.unref ();
	}
});