import { headers } from "next/headers";
import { getPayload } from "payload";
import config from "@payload-config";
import type { Customer } from "@/payload-types";

/** Returns the logged-in customer for the current request, or null. Never returns an admin user. */
export async function getCurrentCustomer(): Promise<Customer | null> {
  const payload = await getPayload({ config });
  const { user } = await payload.auth({ headers: await headers() });
  if (!user || user.collection !== "customers") return null;
  return user as Customer;
}