var express = require('express');
var router = express.Router();
var User = require('../models/user');
var passport = require('passport')
var LocalStrategy = require('passport-local').Strategy;

//Register
router.get('/register',function(req, res){
    res.render('register');
});

router.get('/login', ensureAuthenticated, function(req, res){
    //res.render('lobby');
    res.render('lobby', {
            helpers:{
            foo: function () {return req.user.username; }
        }
        });
});

    function ensureAuthenticated(req, res, next){
    if(req.isAuthenticated()){
      return next();
    }else{
        res.redirect('/');
    }
}

router.post('/register',function(req, res){
    console.log("aaa");
    var login = req.body.login;
    var email = req.body.email;
    var password = req.body.password;
    var password2 = req.body.password2;
    var UserNameTaken = true;
    //Validator
    req.checkBody('login','Pole login jest puste').notEmpty();
    req.checkBody('email','Pole email jest puste').notEmpty();
    req.checkBody('password','Pole hasło jest puste').notEmpty();
    req.checkBody('password2','Pole powtórz hasło jest puste').notEmpty();
    req.checkBody('email','Email nie jest poprawny').isEmail();
    req.checkBody('password2','Hasła nie są takie same').equals(password);

    var errors = req.validationErrors();
    if(errors){
        res.render('register',{
            errors:errors,
        });
    }else{
    var newUser = new User({
            username: login,
            email: email,
            password: password
        });

        User.createUser(newUser, function(err, user){
            if(err) throw err;
            console.log(user);
        });
        req.flash('success_msg', 'Zarejestrowano pomyślnie');
        res.redirect('/users/register');
    });

passport.use(new LocalStrategy(
  function(username, password, done) {
   User.getUserByUsername(username, function(err, user){
       if(err) throw err;
       if(!user){
           return done(null, false, {message: 'Nieznany użytkownik'});
       }
       User.comparePassword(password, user.password, function(err, isMatch){
           if(err) throw err;
           if(isMatch){
               return done(null, user);
           }else{
               return done(null, false,{message: 'Błędne hasło'});
           }
       });
     });
}));

passport.serializeUser(function(user, done) {
  done(null, user.id);
});

passport.deserializeUser(function(id, done) {
  User.getUserById(id, function(err, user) {
    done(err, user);
  });
});

router.post('/login',
  passport.authenticate('local',{successRedirect:'/users/login', failureRedirect:'/', failureFlash: true}),
  function(req, res){
    LoggedUsers.push(req.user.username);
    console.log(req.body.login);
    res.redirect('/');
  });

router.get('/logout',function(req, res){
    req.logout();
    req.flash('success_msg', 'Zostałeś wylogowany');
    res.redirect('/');
});

module.exports = router;