auth.config.ts

import bcrypt from 'bcryptjs';
import Credentials from "next-auth/providers/credentials"
import type { NextAuthConfig } from "next-auth"

import { getUserByEmail } from "./data/user"
import { LoginSchema } from './lib/validation';

export default {
  providers: [
    Credentials({
      async authorize(credentials) {
        const validatedFields = LoginSchema.safeParse(credentials)

        if(validatedFields.success) {
          const { email, password } = validatedFields.data

          const user = await getUserByEmail(email)

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

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

          if(passwordMatch) return user;
        }

        return null;
      }
  })
],
} satisfies NextAuthConfig