/** @type {import('next').NextConfig} */
const nextConfig = {
  output: 'standalone',
  reactStrictMode: true,
  swcMinify: true,

  // Security headers
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: [
          { key: 'X-Content-Type-Options', value: 'nosniff' },
          { key: 'X-Frame-Options', value: 'ALLOWALL' }, // Allow iframe embedding
          { key: 'X-XSS-Protection', value: '1; mode=block' },
          { key: 'Referrer-Policy', value: 'strict-origin-when-cross-origin' },
          {
            key: 'Permissions-Policy',
            value: 'microphone=(self), camera=(), geolocation=(self)',
          },
        ],
      },
      {
        source: '/sw.js',
        headers: [
          { key: 'Cache-Control', value: 'no-cache, no-store, must-revalidate' },
          { key: 'Service-Worker-Allowed', value: '/' },
        ],
      },
      {
        source: '/manifest.json',
        headers: [
          { key: 'Content-Type', value: 'application/manifest+json' },
        ],
      },
    ];
  },

  // Image optimization
  images: {
    formats: ['image/avif', 'image/webp'],
    remotePatterns: [
      { protocol: 'https', hostname: '*.huggingface.co' },
    ],
  },

  // Disable powered-by header
  poweredByHeader: false,

  // Compress responses
  compress: true,
};

module.exports = nextConfig;