auth.ts

import { PrismaAdapter } from "@auth/prisma-adapter";
import { PrismaClient } from "@prisma/client";
import authConfig from "@/auth.config";
import { getUserById } from "@/data/user";
import { getAccountByUserId } from "./data/account";
import NextAuth, { type DefaultSession } from "next-auth";
import { UserRole } from "@prisma/client";

const prisma = new PrismaClient();

export const {
  handlers: { GET, POST },
  auth,
  signIn,
  signOut,
  update,
} = NextAuth({
  theme: {
    logo: "/assets/logo/logo.png",
  },
  pages: {
    signIn: "/auth/login",
    error: "/auth/error",
  },
  events: {
    async linkAccount({ user }) {
      await prisma.user.update({
        where: { id: user.id },
        data: { emailVerified: new Date() },
      });
    },
  },
  callbacks: {
    async signIn({ user, account }) {
      // Allow OAuth without email verification
      if (account?.provider !== "credentials") return true;

      const existingUser = await getUserById(user.id as string);

      // Prevent sign in without email verification
      if (!existingUser?.emailVerified) return false;
      // Prevent sign in if user is blocked
      if (existingUser?.isBlocked) return false;

      return true;
    },
    async session({ token, session }: any) {
      if (token.sub && session.user) {
        session.user.id = token.sub;
      }

      if (token.role && session.user) {
        session.user.role = token.role as UserRole;
      }

      if (session.user) {
        session.user.isTwoFactorEnabled = token.isTwoFactorEnabled as boolean;
      }

      if (session.user) {
        session.user.name = token.name;
        session.user.email = token.email;
        session.user.isOAuth = token.isOAuth as boolean;
        session.user.isBlocked = token.isBlocked as boolean;
      }

      return session;
    },
    async jwt({ token }) {
      if (!token.sub) return token;

      const existingUser = await getUserById(token.sub);

      if (!existingUser) return token;

      const existingAccount = await getAccountByUserId(existingUser.id);

      token.isOAuth = !!existingAccount;
      token.name = existingUser.name;
      token.email = existingUser.email;
      token.role = existingUser.role;
      token.isTwoFactorEnabled = existingUser.isTwoFactorEnabled;
      token.isBlocked = existingUser.isBlocked;

      return token;
    },
  },
  session: { strategy: "jwt" },
  adapter: PrismaAdapter(prisma as any),
  ...authConfig,
}) as any;