import type { NextConfig } from "next";

const securityHeaders = [
  { key: "Strict-Transport-Security", value: "max-age=31536000; includeSubDomains; preload" },
  { key: "X-Content-Type-Options", value: "nosniff" },
  { key: "X-Frame-Options", value: "DENY" },
  { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
  { key: "Permissions-Policy", value: "geolocation=()" },
  { key: "Cross-Origin-Opener-Policy", value: "same-origin" },
  { key: "Cross-Origin-Resource-Policy", value: "same-site" },
];

const nextConfig: NextConfig = {
  output: "standalone",
  poweredByHeader: false,
  experimental: {
    // TypeScript 5 provides the compiler API and avoids CLI output-capture issues
    // in restricted build environments.
    useTypeScriptCli: false,
  },
  turbopack: {
    root: process.cwd(),
  },
  async headers() {
    return [
      { source: "/(.*)", headers: securityHeaders },
      {
        source: "/downloads/:path*",
        headers: [
          { key: "Cache-Control", value: "public, max-age=604800" },
          { key: "X-Robots-Tag", value: "noindex, noarchive" },
        ],
      },
      {
        source: "/images/:path*",
        headers: [{ key: "Cache-Control", value: "public, max-age=2592000" }],
      },
      {
        source: "/fonts/:path*",
        headers: [{ key: "Cache-Control", value: "public, max-age=2592000" }],
      },
    ];
  },
};

export default nextConfig;