/* jshint node: true */

var passport = require('passport'),
	_ = require('lodash'),
	config = require('../../config.json'),
	User = require('./schemas/User');

var entities = new Entities();

var auth = {

	login: function (method) {
		return passport.authenticate(method);
	},

	logout: function (req, res) {
		req.logout();
		res.redirect('/');
	},

	serializeUser: function (user, done) {
		done(null, user.twitter_id);
	},

	deserializeUser: function (id, done) {
		User.findOne({ twitter_id: id }, "_id displayName username photo", function (err, user) {
			done(err, user);
		});
	},

	insertUser: function (accessToken, refreshToken, profile, done) {
		process.nextTick(function () {
			var userData = {
				username: profile.username,
				displayName: profile.displayName,
				photo: profile.photos[0].value
			};
			User.update({twitter_id: profile.id}, userData, {upsert: true}, function (userData, profile, err) {
				return done(err, _.merge(userData, {twitter_id: profile.id}));
			}.bind(this, userData, profile));
		});
	},

	loggedIn: function () {
		return passport.authenticate('twitter', {
			successReturnToOrRedirect: '/',
			failureRedirect: '/login'
		});
	},

}

module.exports = auth