var jwt = require('jsonwebtoken');


function register(req, res) {
    var user = new User({
      username: req.body.username,
      password: bcrypt.hashSync(req.body.password, 10)
    });

    user.save(function(err) {
      if (err) {
        error();
      }
    })
    .then(function (successUser) {

      //THIS IS WHERE THE PROBLEM IS
      var token = newToken(successUser);
      //

      res.status(201)
        .json({
          code: 201,
          title: 'Successful Signup',
          detail: 'You have successfully registered.',
          token: token
        })
      res.end();
    });
}

function newToken (user) {
  var token = jwt.sign({
      id: user._id
    }, app.get('secret'), {
      expiresInMinutes: 1440 // expires in 24 hours
    });
  return token;
}