/** @type {import('next').NextConfig} */
const nextConfig = {
  output: "standalone",
  async headers() {
    const csp = [
      "default-src 'self'",
      "script-src 'self' 'unsafe-inline' 'unsafe-eval'",
      "style-src 'self' 'unsafe-inline'",
      "img-src 'self' data: blob:",
      "font-src 'self' data:",
      "connect-src 'self'",
      "frame-ancestors 'none'",
      "base-uri 'self'",
      "form-action 'self'"
    ].join("; ");

    const headers = [
      { key: "Content-Security-Policy", value: csp },
      { key: "X-Frame-Options", value: "DENY" },
      { key: "X-Content-Type-Options", value: "nosniff" },
      { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
      {
        key: "Permissions-Policy",
        value: "camera=(), microphone=(), geolocation=(), payment=()"
      }
    ];

    if (process.env.NODE_ENV === "production") {
      headers.push({
        key: "Strict-Transport-Security",
        value: "max-age=31536000; includeSubDomains"
      });
    }

    return [
      {
        source: "/(.*)",
        headers
      }
    ];
  }
};

export default nextConfig;