/*
Create window for IP/hostname, username and password
*/
var logInWin = Titanium.UI.createWindow({
    title: 'Elvenite Search Application',
	backgroundImage:'loginbgimg.png'
	});

//IP textfield
var ip = Titanium.UI.createTextField({
    top:50,
    height:40,
    width:300,
    hintText:'IP/Hostname'});
    //clearOnEdit:true

//Username textfield
var username = Titanium.UI.createTextField({
    top:100,
    height:40,
    width:300,
    hintText:'Username'});
    //clearOnEdit:true

//Password textfield
var password = Titanium.UI.createTextField({
    top:150,
    height:40,
    width:300,
    hintText:'Password',
    autocorrect:false,
    passwordMask:true});
    //clearOnEdit:true

//Login button
var login = Titanium.UI.createButton({
    top:200,
    height:40,
    width:300,
    title:'Login'});

//Load button
var load = Titanium.UI.createButton({
    top:250,
    height:40,
    width:300,
    title:'Load Last Login'});

//Create menu
var activity = Ti.Android.currentActivity;
activity.onCreateOptionsMenu = function(e) {

    var menu = e.menu;
    //Back
    var menuItem = menu.add({title: "Back" });
    menuItem.addEventListener("click", function() {
        Ti.Android.currentActivity.finish();
    });
};

//Add elements to log in window
logInWin.add(ip);
logInWin.add(username);
logInWin.add(password);
logInWin.add(login);
logInWin.add(load);
logInWin.open({});

var encryption_key = 65962127;

/*
Intents
*/
var intent = Ti.Android.createIntent({
action: Ti.Android.ACTION_MAIN,
url:'ui/searchWin.js'});


/*
Listeners
*/

//Login button listener
login.addEventListener('click', function(){

    if((ip.value == undefined) || (username.value == undefined) || (password.value == undefined)
    ||(ip.value == "") || (username.value == "") || (password.value == "")){
        Titanium.UI.createAlertDialog({
            title:'Login Fields',
            message:'You must fill in a value in all fields'}).show();
    }else{
        var hostname = ip.value;
        var name = username.value;
        var pw = password.value;

        var w = Titanium.Filesystem.getFile(Titanium.Filesystem.applicationDataDirectory, 'logFile.txt');
        Ti.API.info('Path to logDir: ' + w.nativePath);
        var temp1 = (hostname + ' ' + name + ' ' + pw).toString();
        w.write(encrypt(temp1));
        Titanium.API.info("Contents of the file = " + encrypt(temp1));

        //TODO: SEND INFO TO SERVER??

        intent.addCategory(Ti.Android.CATEGORY_LAUNCHER);
        Ti.Android.currentActivity.startActivity(intent);}

});

//Load button listener
load.addEventListener('click', function(){

    var r = Titanium.Filesystem.getFile(Titanium.Filesystem.applicationDataDirectory, 'logFile.txt');
    if(r.exists()){
        var contents = r.read();
        var temp2 = decrypt(contents);
        var contentsAr = temp2.split(/\s/g); //Split the data in 3 parts ip,username,password.
        // dynamically set value for the log in fields
            ip.value = contentsAr[0];
            username.value = contentsAr[1];
            password.value = contentsAr[2];
        Titanium.API.info("Contents of the file = "+contentsAr[0]+' '+contentsAr[1]+' '+contentsAr[2]);
     }else{
         Titanium.UI.createAlertDialog({
             title:'Previous Login',
             message:'No previous login has been stored'}).show();}

});


function encrypt (textstring)
{
	var	encrypted_string = ""
	for(var i=0;i<textstring.length;i++)
		encrypted_string += (String.fromCharCode(textstring.charCodeAt(i)^encryption_key))
	return encrypted_string
}

function decrypt (encrypted_string)
{
	var decrypted_string = ""
	for(var i=0;i<encrypted_string.toString().length;i++)
		decrypted_string += (String.fromCharCode(encrypted_string.toString().charCodeAt(i)^encryption_key))
	return decrypted_string.toString();
}