auth.config.ts

import bcrypt from "bcryptjs";
import type { NextAuthConfig } from "next-auth";
import Credentials from "next-auth/providers/credentials";
import { LoginFormSchema } from "@/schemas";
import { getUserByEmail } from "@/data/user";

export default {
    providers : [
        Credentials({
            async authorize(credentials) {
                const validateFields = LoginFormSchema.safeParse(credentials);

                if(validateFields.success){
                    const {email, password} = validateFields.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;