var Conf =
{
	host: 'support.verdnatura.es',
	path: 'HKCU\\Software\\TightVNC\\Server',
	checkKey: 'ExtraPorts',
	params:
	{
		'UseMirrorDriver'         : true,
		'BlockRemoteInput'        : false,
		'EnableFileTransfers'     : true,
		'RemoveWallpaper'         : true,
		'PollingInterval'         : 500,
		'GrabTransparentWindows'  : true,
		'LoopbackOnly'            : false
	},
	optParams:
	{
		'ExtraPorts'              : '',
		'QueryAcceptOnTimeout'    : false,
		'BlockLocalInput'         : false,
		'AcceptRfbConnections'    : false,
		'UseVncAuthentication'    : true,
		'AcceptHttpConnections'   : false,
		'EnableUrlParams'         : true,
		'AlwaysShared'            : false,
		'NeverShared'             : false,
		'DisconnectClients'       : true,
		'AllowLoopback'           : false
	}
};

var Support =
{
	shell: new ActiveXObject ('WScript.Shell'),

	init: function ()
	{
		var width = 420;
		var height = 185;

		window.resizeTo (width, height);
		window.moveTo ((screen.width - width) / 2, (screen.height - height) / 2);

		this.regWrites (Conf.path, Conf.params);
		
		if (this.regRead (Conf.path, Conf.checkKey) === null)
			this.regWrites (Conf.path, Conf.optParams);
	
		this.run ('tvnserver.exe -run');
	},

	regRead: function (path, key)
	{
		try {
			var value = this.shell.regRead (path +'\\'+ key);
		}
		catch (e) {
			var value = null;
		}
		
		return value;
	},
	
	regWrites: function (path, params)
	{
		for (var key in params)
		{
			var type;
			var value = params[key];
	
			switch (typeof (value))
			{
				case 'boolean':
					type = 'REG_DWORD';
					value = value ? 1 : 0;
					break;
				case 'number':
					type = 'REG_DWORD';
					break;
				default:
					type = 'REG_SZ';
			}
			
			this.shell.regWrite (path +'\\'+ key, value.toString (), type);
		}
	},
	
	$: function (id)
	{
		return document.getElementById (id);
	},
	
	run: function (command, wait)
	{
		if (!wait)
			wait = false;
	
		this.shell.run (command, 0, wait);
	},
	
	_onLoad: function ()
	{
		var select = this.$('operator');
		
		for (var i = 1; i <= 10; i++)
		{
			var option = document.createElement ('option');
			option.value = i;
			option.appendChild (document.createTextNode (i));
			select.appendChild (option);
		}
	},

	_onStartClick: function ()
	{
		var port = 5500 + parseInt (this.$('operator').value);
		this.run ('tvnserver.exe -controlapp -connect '+ Conf.host +'::'+ port);
	},

	_onCloseClick: function ()
	{
		window.close ();
	},
	
	_onUnload: function ()
	{
		this.run ('tvnserver.exe -controlapp -disconnectall', true);
		this.run ('tvnserver.exe -controlapp -shutdown');
	}
};

Support.init ();