import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";

export function middleware(request: NextRequest) {
  const response = NextResponse.next();

  const url = request.nextUrl.pathname;

  if (
    url.startsWith("/sr") ||
    url.startsWith("/en") ||
    url.startsWith("/de") ||
    url.startsWith("/fr") ||
    url === "/"
  ) {
    if (
      !url.includes("/checkout") &&
      !url.includes("/cart") &&
      !url.includes("/api/")
    ) {
      response.headers.set(
        "Cache-Control",
        "public, max-age=3600, stale-while-revalidate=86400"
      );
    }
  }

  return response;
}

export const config = {
  matcher: [
    "/((?!_next/static|_next/image|favicon.ico|icon.png|robots.txt|sitemap.xml).*)",
  ],
};