Login Controller for Express Route

login.js

const bcrypt = require('bcrypt');
// const jwt = require('jsonwebtoken');
const User = require('../models/user');

async function authenticateUser(username, password) {
    const users = await User.find({ username });
    if (users.length) {
        const user = users[0];
        const samePassword = await checkPassword(password, user.password);
        return samePassword;
    }
    else {
        throw new Error('incorrect username');
    }
}

async function checkPassword(password, hash) {
    const result =  await bcrypt.compare(password, hash);
    return result;
}

async function login(req, res) {
    /*
    ** below we authenticate our user before sending them a token
    */
    
    const user = {
        username: req.body.username,
        password: req.body.password,
    };

    const authenticated = await authenticateUser(user.username, user.password);

    res.json({
        message: 'check console',
        authenticated,
    });
}

module.exports = login;