router.post('/register', function(req, res, next) {
    var username = req.body.username;
    var email = req.body.email;
    var password = req.body.password;
    var password2 = req.body.password2;

    // Validation
    req.checkBody('username', 'Username is required').notEmpty();
    req.checkBody('email', 'Email is required').notEmpty();
    req.checkBody('email', 'Email is not valid').isEmail();
    req.checkBody('password', 'Password is required').notEmpty();
    req.checkBody('password2', 'Passwords do not match').equals(req.body.password);

    var errors = req.validationErrors();

    if(errors){
        res.render('users/register', {
            errors: errors
        });
    } else {
        console.log("Started 1...");
        firebase.auth().createUserWithEmailAndPassword(email, password).catch(function(error, userData) {
            console.log("Started 2...");
            if(error){
                var errorCode = error.code;
                var errorMessage = error.message;
                req.flash('error_msg', 'Registration Failed. Make sure all fields are properly filled.' + error.message);
                res.redirect('/users/register');
                console.log("Error creating user: ", error);
            } else {
                console.log("Successfully created");
                console.log("Successfully created user with uid:", userData.uid);
                var user = {
                    uid: userData.uid,
                    email: email,
                    username: username
                }

                var userRef = firebase.database().ref('users/');
                userRef.push().set(user);

                req.flash('success_msg', 'You are now registered and can login');
                res.redirect('/users/login');
            }

        });
    }
});