const express = require("express");
const router = express.Router();
const bcrypt = require("bcryptjs");
const jwt = require("jsonwebtoken");
const passport = require("passport");
const keys = require("../../config/keys");

//LOAD MODEL
const User = require("../../models/User");

// @route   POST api/users/register
// @desc    Register user
// @access  Public
router.post("/register", (req, res) => {
  User.findOne({ email: req.body.email }).then(user => {
    if (user) {
      return res.status(400).json({ error: "Email sudah ada" });
    } else {
      //TODO: ADD NEW USER AND HASHING PASSWORD
      const newUser = new User({
        name: req.body.name,
        email: req.body.email,
        password: req.body.password
      });

      //hashing password
      bcrypt.genSalt(10, (err, salt) => {
        bcrypt.hash(newUser.password, salt, (err, hash) => {
          if (err) throw err;
          newUser.password = hash;
          newUser
            .save()
            .then(user => res.json(user))
            .catch(err => console.log(err));
        });
      });
    }
  });
});

// @route   POST api/users/login
// @desc    Login User
// @access  Public
router.post("/login", (req, res) => {
  const email = req.body.email;
  const password = req.body.password;

  User.findOne({ email })
    .then(user => {
      if (!user) {
        return res.status(404).json({ error: "Email tidak ada!" });
      }

      //Check password
      bcrypt.compare(password, user.password).then(isMatch => {
        if (isMatch) {
          //UserMatched
          const payload = { id: user.id, name: user.name }; //Create JWT Payload
          //Sign Token
          jwt.sign(
            payload,
            keys.secretKey,
            { expiresIn: 3600 },
            (err, token) => {
              res.json({
                success: true,
                token: "Bearer " + token
              });
            }
          );
        } else {
          return res.status(400).json({ error: "Password salah!" });
        }
      });
    })
    .catch(err => console.log(err));
});

module.exports = router;