auth.ts

import NextAuth from "next-auth";
import Credentials from "next-auth/providers/credentials";
import { authConfig } from "./auth.config";
import { db } from "@/lib/db";
import bcrypt from "bcryptjs";
import { z } from "zod";

export const { handlers, auth, signIn, signOut } = NextAuth({
  ...authConfig,
  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 db.user.findUnique({ where: { email } });
          if (!user) return null;
          const passwordsMatch = await bcrypt.compare(password, user.password);

          if (passwordsMatch) {
            return {
              id: user.id,
              name: user.name,
              email: user.email,
              role: user.role,
            };
          }
        }

        return null;
      },
    }),
  ],
});