(function() {
	// create sub-namespace
	tms.security = {};

	tms.security.readData = function(file) {
		// read data from file
		return 'a';
	};

	tms.security.writeData = function(file, data) {
		// write data to file
	};

	tms.security.compareData = function(user, pass) {
		// this is where a JSON request to server will go
		if ((user == 'a') && (pass == 'a')) {
			Ti.App.fireEvent('startCoSelect');
		} else {
			alert(L('invalidUSPS'));
		}
	};

	tms.security.passwordEntry = function() {
		var tabs = Ti.UI.createTabGroup();
		var winPassword = Ti.UI.createWindow({
			title:L('password')
		});
		tabs.addTab(Ti.UI.createTab({
			title:L('password'),
			window:winPassword
		}));
		var txtUser = Titanium.UI.createTextField({
		    color: '#336699',
		    top: 10,
		    left: Math.round(Ti.Platform.displayCaps.platformWidth * 0.05), // 5% of width
		    width: Math.round(Ti.Platform.displayCaps.platformWidth * 0.9), // 90% od width
		    height: 40,
		    hintText: L('user'),
		    keyboardType: Titanium.UI.KEYBOARD_DEFAULT,
		    returnKeyType: Titanium.UI.RETURNKEY_DEFAULT,
		    borderStyle: Titanium.UI.INPUT_BORDERSTYLE_ROUNDED
		});
		var txtPass = Titanium.UI.createTextField({
		    color: '#336699',
		    top: 60,
		    left: Math.round(Ti.Platform.displayCaps.platformWidth * 0.05), // 5% of width
		    width: Math.round(Ti.Platform.displayCaps.platformWidth * 0.9), // 90% od width
		    height: 40,
		    hintText: L('pass'),
		    keyboardType: Titanium.UI.KEYBOARD_DEFAULT,
		    returnKeyType: Titanium.UI.RETURNKEY_DEFAULT,
		    borderStyle: Titanium.UI.INPUT_BORDERSTYLE_ROUNDED,
		    passwordMask: true
		});
		var btnLogin = Titanium.UI.createButton({
		    title: L('login'),
		    top: 110,
		    width: 100,
		    height: 40
		});
		var swtSave = Titanium.UI.createSwitch({
		    value:false,
		    top: 160
		});
		txtUser.addEventListener('return', function () {
		    txtUser.blur()
		});
		txtPass.addEventListener('return', function () {
		    txtPass.blur()
		});
		btnLogin.addEventListener("click", function (e) {
			if(swtSave.value == true) {
		    	/*var sep = Titanium.Filesystem.getSeparator();
				var dirHome = Titanium.Filesystem.getUserDirectory();
		    	var fileUser = Titanium.Filesystem.getFile(dirHome + sep + 'us.txt');
		    	var filePassword = Titanium.Filesystem.getFile(dirHome + sep + 'ps.txt');
		    	tms.security.writeData(fileUser, txtUser.value);
		    	tms.security.writeData(filePassword, txtPass.value);*/
	    	}
	    	tms.security.compareData(txtUser.value, txtPass.value);
		});
		winPassword.add(txtUser);
		winPassword.add(txtPass);
		winPassword.add(btnLogin);
		winPassword.add(swtSave);
		return tabs;
	};

	tms.security.getPermission = function() {
		var tabs = tms.security.passwordEntry();
    	/*var sep = Titanium.Filesystem.getSeparator();
		var dirHome = Titanium.Filesystem.getUserDirectory();
    	var fileUser = Titanium.Filesystem.getFile(dirHome + sep + 'us.txt');
    	var filePassword = Titanium.Filesystem.getFile(dirHome + sep + 'ps.txt');
		if(filePassword.exists() && fileUser.exists()) {
			// read files for data and compare
	    	tms.security.compareData(tms.security.readData(fileUser), tms.security.readData(filePassword));
		}*/
		return tabs;
	};
})();