import createMiddleware from "next-intl/middleware";
import { NextRequest, NextResponse } from "next/server";
import { routing } from "./i18n/routing";

const intlMiddleware = createMiddleware(routing);

export default function middleware(request: NextRequest) {
  const { pathname } = request.nextUrl;

  // --- IGNORE STATIC ASSET ---
  const isStaticAsset =
    pathname.startsWith("/api") ||
    pathname.startsWith("/_next") ||
    pathname.startsWith("/favicon") ||
    pathname.startsWith("/assets") ||
    pathname.startsWith("/static") ||
    pathname.match(/\.(png|jpg|jpeg|gif|webp|svg|ico|css|js)$/);

  if (isStaticAsset) return NextResponse.next();

  // --- LOCALES YANG VALID ---
  const locales = ["in", "en"];

  // Ambil locale utama dari URL
  const firstSegment = pathname.split("/")[1];

  const isLocaleURL = locales.includes(firstSegment);

  // Jika URL sudah mengandung locale → JALANKAN next-intl
  if (isLocaleURL) {
    return intlMiddleware(request);
  }

  // Jika URL TIDAK ada locale → redirect ke /in/<path>
  const url = request.nextUrl.clone();
  url.pathname = `/in${pathname}`;
  return NextResponse.redirect(url);
}

// Matcher untuk semua route kecuali static files
export const config = {
  matcher: ["/((?!_next|api|favicon.ico|assets|static).*)"],
};

// import createMiddleware from "next-intl/middleware";
// import { NextRequest, NextResponse } from "next/server";
// import { locales } from "@/config";
// import { routing } from "./i18n/routing";

// // export default async function middleware(request: NextRequest) {
// //   // Step 1: Use the incoming request (example)
// //   const defaultLocale = "in";
// //   // const defaultLocale = request.headers.get("dashcode-locale") || "in";

// //   // Step 2: Create and call the next-intl middleware (example)
// //   const handleI18nRouting = createMiddleware({
// //     locales: ["in", "en"],
// //     defaultLocale: "in",
// //   });
// //   const response = handleI18nRouting(request);

// //   // Step 3: Alter the response (example)
// //   response.headers.set("dashcode-locale", defaultLocale);

// //   return response;
// // }

// export default createMiddleware(routing);

// export const config = {
//   // Match only internationalized pathnames
//   matcher: ["/", "/(in|en)/:path*"],
// };