import { NextResponse } from "next/server";
import { getBaseUrl } from "@/lib/seo";

export const dynamic = "force-dynamic";

export async function GET() {
  const base = getBaseUrl();
  const body = [
    "User-agent: *",
    "Allow: /",
    "Disallow: /api/",
    "Disallow: /manage",
    "Disallow: /editor",
    `Sitemap: ${base}/sitemap.xml`,
    "",
  ].join("\n");

  return new NextResponse(body, {
    headers: {
      "Content-Type": "text/plain; charset=utf-8",
      "Cache-Control": "public, max-age=3600",
    },
  });
}