peworkshop/app/api/auth/[nextuath].js

import NextAuth from 'next-auth';
import Providers from 'next-auth/providers';
import bcrypt from 'bcryptjs';
import { query } from '../../../lib/db';

export default NextAuth({
    providers: [
        Providers.Credentials({
            name: 'Credentials',
            credentials: {
                username: { label: 'Username', type: 'text' },
                password: { label: 'Password', type: 'password' },
            },
            authorize: async (credentials) => {
                const user = await query('SELECT * FROM users WHERE username = ?', [credentials.username]);
                if (user && bcrypt.compareSync(credentials.password, user.password)) {
                    return { id: user.id, name: user.username, role: user.role };
                }
                return null;
            },
        }),
    ],
    callbacks: {
        jwt: async (token, user) => {
            if (user) {
                token.role = user.role;
            }
            return token;
        },
        session: async (session, token) => {
            session.user.role = token.role;
            return session;
        },
    },
    pages: {
        signIn: '/login', // Redirect to the login page
    },
});