auth.ts

import NextAuth from 'next-auth';
import Credentials from 'next-auth/providers/credentials';
import { authConfig } from './auth.config';
import { z } from 'zod';
import bcrypt from 'bcrypt';
import dbConnect from './app/lib/mongo';
import {User} from "./model/user-model"
 
// export type User = {
//   id: string;
//   name: string;
//   email: string;
//   password: string;
//   image : string;
// };

// export async function getUser(email: string): Promise<User | undefined> {
  
//   try {
//     const user = await sql<User>`SELECT * FROM users WHERE email=${email}`;
//     return user.rows[0];
//   } catch (error) {
//     console.error('Failed to fetch user:', error);
//     throw new Error('Failed to fetch user.');
//   }
// }

export async function getUser(email: string) {
  await dbConnect();

  try {
    const user = await User.findOne({ email }).exec();
    return user || undefined;
  } catch (error) {
    console.error('Failed to fetch user:', error);
    throw new Error('Failed to fetch user.');
  }
}
 
export const { auth, signIn, signOut } = NextAuth({
  ...authConfig,
  session : {
    strategy : 'jwt',
  },
  providers: [
    Credentials({
      async authorize(credentials) {
        const parsedCredentials = z
          .object({ email: z.string().email(), password: z.string().min(6) })
          .safeParse(credentials);
 
        if (parsedCredentials.success) {
          const { email, password } = parsedCredentials.data;
          const user = await getUser(email);
          if (!user) return null;
          const passwordsMatch = await bcrypt.compare(password, user.password);
          if (passwordsMatch) return user;
          console.log('Invalid credentials');
        }
        return null;
      },
    }),
  ],
});