import type { NextConfig } from "next";

const nextConfig: NextConfig = {
  // For local dev convenience. In production you should configure reverse proxy
  // and set NEXT_PUBLIC_API_BASE to your public API origin.
  async rewrites() {
    // Reverse proxy backend under a path prefix, so browser can access backend
    // with same-origin (no CORS): http://<host>:7888/admin139/...
    const backendInternal =
      process.env.BACKEND_INTERNAL_URL ??
      (process.env.NODE_ENV === "development"
        ? "http://127.0.0.1:8080"
        : "http://backend:8080");

    return [
      {
        // Keep /admin139 as frontend admin entry page, only proxy nested API paths.
        source: "/admin139/:path+",
        destination: `${backendInternal}/:path*`,
      },
    ];
  },
};

export default nextConfig;