const express = require("express");
const authController = express.Router();

// User model
const User = require("../models/user");

// Bcrypt to encrypt passwords
const bcrypt = require("bcrypt");
const bcryptSalt = 10;

authController.get("/signup", (req, res, next) => {
    res.render("auth/signup");
});

authController.post("/signup", (req, res, next) => {
    var username = req.body.username;
    var password = req.body.password;

    if (username === "" || password === "") {
        res.render("auth/signup", {
            errorMessage: "Indicate a username and a password to sign up"
        });
        return;
    }

    User.findOne({ "username": username }, "username", (err, user) => {
        if (user !== null) {
            res.render("auth/signup", {
                errorMessage: "The username already exists"
            });
            return;
        }

        var salt = bcrypt.genSaltSync(bcryptSalt);
        var hashPass = bcrypt.hashSync(password, salt);

        var newUser = User({
            username,
            password: hashPass
        });

        newUser.save((err) => {
            if (err) {
                res.render("auth/signup", {
                    errorMessage: "Something went wrong when signing up"
                });
            } else {
                // User has been created...now what?
            }
        });
    });
});

module.exports = authController;