passportConfig.js

const LocalStrategy = require("passport-local").Strategy;
// const { pool } = require('./Database/dbConfig');
// const bcrypt = require("bcrypt");
const argon2 = require("argon2");

/*************************************
 * Require Models
 *************************************/
 const userModel = require("./Models/userModel");

function initialize(passport) {
    const authenticateUser = async (username, password, done) => {

        // Get user from database
        const user = userModel.getUserByUsername(username);

        // Check if there were no records returned
        if (user) {
            // Check Password
            if (await argon2.verify(user.passwordHash, password)) {
                return done(null, user);
            }

            else {
                return done(null, false, {message: "Username or Password is not correct!"});
            }
        }

        else {
            return done(null, false, {message: "Username is not registered!"});
        }
};

    passport.use(new LocalStrategy({
        usernameField: "username",
        passwordField: "password",
     },
     authenticateUser
    ));

    passport.serializeUser((user, done) =>  {
        done(null, user.userID);
    }); 

    passport.deserializeUser((id, done) => {
        user = userModel.getUserByID(id);
        if (user) {
            return done(null, user);
        }
    });
}

module.exports = initialize;