searcher/lib/auth.ts

import NextAuth from "next-auth";
import Credentials from "next-auth/providers/credentials";

export const {
    handlers: { GET, POST },
    auth,
    signIn,
    signOut,
} = NextAuth({
    providers: [
        Credentials({
            name: "Credentials",
            credentials: {
                email: { label: "Email", type: "email" },
                password: { label: "Password", type: "password" },
            },
            async authorize(credentials) {
                const adminEmail = process.env.ADMIN_EMAIL;
                const adminPassword = process.env.ADMIN_PASSWORD;

                if (
                    credentials?.email === adminEmail &&
                    credentials?.password === adminPassword
                ) {
                    return {
                        id: "admin",
                        name: "Admin",
                        email: adminEmail,
                    };
                }

                return null;
            },
        }),
    ],
    pages: {
        signIn: "/admin/login",
    },
    session: {
        strategy: "jwt",
    },
    callbacks: {
        async jwt({ token, user }) {
            if (user) {
                token.id = user.id;
            }
            return token;
        },
        async session({ session, token }) {
            if (token?.id) {
                session.user.id = token.id as string;
            }
            return session;
        },
    },
});