import "#nitro-internal-pollyfills";
import { useNitroApp } from "nitropack/runtime";
import {
  getRouteRulesForPath,
  joinHeaders,
  normalizeCookieHeader
} from "nitropack/runtime/internal";
const nitroApp = useNitroApp();
const handler = async (req) => {
  const url = new URL(req.url);
  const relativeUrl = `${url.pathname}${url.search}`;
  const r = await nitroApp.localCall({
    url: relativeUrl,
    headers: req.headers,
    method: req.method,
    body: req.body
  });
  const headers = normalizeResponseHeaders({
    ...getCacheHeaders(url.pathname),
    ...r.headers
  });
  return new Response(r.body, {
    status: r.status,
    headers
  });
};
export default handler;
const ONE_YEAR_IN_SECONDS = 365 * 24 * 60 * 60;
function normalizeResponseHeaders(headers) {
  const outgoingHeaders = new Headers();
  for (const [name, header] of Object.entries(headers)) {
    if (name === "set-cookie") {
      for (const cookie of normalizeCookieHeader(header)) {
        outgoingHeaders.append("set-cookie", cookie);
      }
    } else if (header !== void 0) {
      outgoingHeaders.set(name, joinHeaders(header));
    }
  }
  return outgoingHeaders;
}
function getCacheHeaders(url) {
  const { isr } = getRouteRulesForPath(url);
  if (isr) {
    const maxAge = typeof isr === "number" ? isr : ONE_YEAR_IN_SECONDS;
    const revalidateDirective = typeof isr === "number" ? `stale-while-revalidate=${ONE_YEAR_IN_SECONDS}` : "must-revalidate";
    return {
      "Cache-Control": "public, max-age=0, must-revalidate",
      "Netlify-CDN-Cache-Control": `public, max-age=${maxAge}, ${revalidateDirective}, durable`
    };
  }
  return {};
}