import type { MetadataRoute } from "next";
import { headers } from "next/headers";
import { buildRobots, resolveRequestHost } from "../lib/siteMetadata";

export default async function robots(): Promise<MetadataRoute.Robots> {
  const headerStore = await headers();
  const host = resolveRequestHost(
    headerStore.get("x-forwarded-host"),
    headerStore.get("host"),
  );
  return buildRobots(host);
}