passport.use('local-signup', new LocalStrategy({
        usernameField: 'email',
        passwordField: 'password',
        session: false
    },
    function(email, password, done) {
        process.nextTick(function() {
            User.findOne({
                email: email.toLowerCase()
            }, function(err, user) {
                if (err) {
                    return done(err);
                } else {
                    if (user) {
                        return done(null, false);
                    } else {

                        // Create new user if email does not exist
                        var newUser = new User();

                        // set the user's local credentials
                        newUser.email = email;
                        newUser.password = newUser.generateHash(password);

                        // save the user
                        newUser.save(function(err) {
                            if (err) {
                                console.log('throwing error: ' + err);
                                throw err;
                            }
                            console.log('the new user: ' + newUser);
                            return done(null, newUser);
                        });
                    }
                }
            });
        });
    }
));

var mongoose = require('mongoose'),
Schema = mongoose.Schema,
passportLocalMongoose = require('passport-local-mongoose'),
bcrypt = require('bcrypt-nodejs'),
ObjectId = Schema.ObjectId;

var UserSchema = new Schema({
    id: String,
    email: String,
    password: String,
    dateRegistered: { type: Date, 'default': Date.now }
});

UserSchema.methods.generateHash = function(password) {
    return bcrypt.hashSync(password, bcrypt.genSaltSync(8), null);
};

// checking if password is valid
UserSchema.methods.validPassword = function(password) {
    return bcrypt.compareSync(password, this.local.password);
};

UserSchema.plugin(passportLocalMongoose);

module.exports = mongoose.model('User', UserSchema);