const cdnDomain = process.env.CDN_DOMAIN || '';

const nextConfig = {
  output: 'standalone',
  distDir: 'dist',
  assetPrefix: cdnDomain || undefined,
  images: {
    unoptimized: true,
    formats: ['image/avif', 'image/webp'],
  },
  compress: true,
  poweredByHeader: false,
  reactStrictMode: true,
  experimental: {
    optimizePackageImports: ['lucide-react', 'framer-motion'],
  },
  compiler: {
    removeConsole: process.env.NODE_ENV === 'production',
  },
  generateEtags: true,
  httpAgentOptions: {
    keepAlive: true,
  },
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: [
          { key: 'X-Content-Type-Options', value: 'nosniff' },
          { key: 'X-Frame-Options', value: 'DENY' },
          { key: 'X-XSS-Protection', value: '1; mode=block' },
          { key: 'Referrer-Policy', value: 'strict-origin-when-cross-origin' },
          {
            key: 'Content-Security-Policy',
            value: "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://ssl.google-analytics.com; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://www.google-analytics.com https://ssl.google-analytics.com https://www.googletagmanager.com; font-src 'self'; connect-src 'self' https://www.google-analytics.com https://ssl.google-analytics.com https://www.googletagmanager.com; frame-src 'self'; object-src 'none'; base-uri 'self'; form-action 'self';",
          },
          { key: 'Permissions-Policy', value: 'camera=(), microphone=(), geolocation=(), interest-cohort=()' },
        ],
      },
    ];
  },
};

export default nextConfig;