let encryption = require('../utilities/encryption')
let User = require('mongoose').model('User')
module.exports = {
    register: (req, res) => {
        "use strict";
        res.render('users/register')
    },
    create: (req, res) => {
        let user = req.body

        User.findOne({ username: user.username}, function (err, person) {
            if (err) {

            } else if (person) {
                res.render('users/register', { globalError: 'Username already exist' })
                return
            }
            else {
                if (user.password !== user.confirmPassword) {
                    user.globalError = 'Passwords do not match!'
                    res.render('users/register', user)
                } else {
                    user.salt = encryption.generateSalt()
                    user.hashedPass = encryption.generateHashedPassword(user.salt, user.password)

                    User
                        .create(user)
                        .then(user => {
                            req
                                .logIn(user, (err) => {
                                if (err) {
                                    res.render('users/register', { globalError: 'Ooops 500' })
                                    return
                                }
                                res.redirect('/')
                            })
                        })
                }
            }


        })



    },
    login: (req, res) => {
        res.render('users/login')
    },
    authenticate: (req, res) => {
        "use strict";
        let inputUser = req.body

        User
            .findOne({ username: inputUser.username })
            .then(user => {
                if (!user.authenticate(inputUser.password)) {
                    res.render('users/login', { globalError: 'Invalid username or password' })
                } else {
                    req.logIn(user, (err, user) => {
                        if (err) {
                            res.render('users/login', { globalError: 'Ooops 500' })
                            return
                        }

                        res.redirect('/')
                    })
                }
            })
    },
    logout: (req, res) => {
        "use strict";
        req.logout()
        res.redirect('/')
    }
}