passport.use('local-signup', new LocalStrategy({
        passReqToCallback : true // allows us to pass back the entire request to the callback
    },
    function(req, username, password, email, name, info, done) {

        function findOrCreateUser(){
            // find a user in Mongo with provided username
            User.findOne({ 'username' :  username }, function(err, user) {
                // In case of any error, return using the done method
                if (err){
                    console.log('Error in SignUp: '+err);
                    return done(err);
                }
                // already exists
                if (user) {
                    console.log('User already exists with username: '+username);
                    return done(null, false, console.log('message','User Already Exists'));
                } else {
                    // if there is no user with that email
                    // create the user
                    var newUser = new User();

                    // set the user's local credentials
                    newUser.username = username;
                    newUser.password = createHash(password);
                    newUser.email = email;
                    newUser.name = name;
                    newUser.info = info;
                    // save the user
                    newUser.save(function(err) {
                        if (err){
                            console.log('Error in Saving user: '+err);
                            throw err;
                        }
                        console.log('User Registration succesful');
                        return done(null, newUser);
                    });
                }
            });
        }
        // Delay the execution of findOrCreateUser and execute the method
        // in the next tick of the event loop
        process.nextTick(findOrCreateUser);
    }));