/** @type {import('next').NextConfig} */
const nextConfig = {
  experimental: {
    appDir: true,
  },
  // Optimize for Vercel deployment
  output: 'standalone',
  // Enable compression
  compress: true,
  // Optimize images
  images: {
    domains: [
      'lh3.googleusercontent.com', 
      'avatars.githubusercontent.com',
      // Supabase storage
      'beralqryrfyfnhovsaes.supabase.co',
    ],
    remotePatterns: [
      {
        protocol: 'https',
        hostname: '*.supabase.co',
        pathname: '/storage/v1/object/public/**',
      },
    ],
    dangerouslyAllowSVG: true,
    contentSecurityPolicy: "default-src 'self'; script-src 'none'; sandbox;",
  },
  // Headers for security and SEO
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: [
          {
            key: 'X-Frame-Options',
            value: 'DENY',
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff',
          },
          {
            key: 'Referrer-Policy',
            value: 'origin-when-cross-origin',
          },
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on',
          },
          {
            key: 'Strict-Transport-Security',
            value: 'max-age=31536000; includeSubDomains; preload',
          },
          {
            key: 'Permissions-Policy',
            value: 'camera=(), microphone=(), geolocation=()',
          },
          {
            key: 'Content-Security-Policy',
            value: "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://dev-sender.vercel.app; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https: blob:; connect-src 'self' https: wss:; frame-src 'self' https://www.googletagmanager.com; object-src 'none'; base-uri 'self';",
          },
        ],
      },
      {
        source: '/humans.txt',
        headers: [
          {
            key: 'Content-Type',
            value: 'text/plain; charset=utf-8',
          },
        ],
      },
    ]
  },
}

module.exports = nextConfig