auth.config.ts

import bcrypt from "bcryptjs";
import { getUserByEmail } from "./data/user";
import type { NextAuthConfig } from "next-auth";
import Google from "next-auth/providers/google";
import { LoginSchema } from "./lib/validators/login";
import Credentials from "next-auth/providers/credentials";

export default {
  providers: [
    Google({
      clientId: process.env.GOOGLE_CLIENT_ID as string,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET as string,
    }),
    Credentials({
      async authorize(credentials) {
        const validatedFields = LoginSchema.safeParse(credentials);

        if (!validatedFields.success) return null;

        const { email, password } = validatedFields.data;

        const user = await getUserByEmail(email);

        if (!user || !user.hashedPassword) return null;

        const passwordsMatch = await bcrypt.compare(
          password,
          user.hashedPassword
        );

        if (!passwordsMatch) return null;

        return user;
      },
    }),
  ],
} satisfies NextAuthConfig;