/** @type {import('next').NextConfig} */
const nextConfig = {
  reactStrictMode: true,
  output: 'standalone',
  
  // Performance & SEO optimizations
  poweredByHeader: false, // Remove X-Powered-By header for security
  compress: true, // Enable gzip compression
  
  // Image optimization
  images: {
    formats: ['image/avif', 'image/webp'], // Modern image formats
    deviceSizes: [640, 750, 828, 1080, 1200, 1920, 2048, 3840],
    imageSizes: [16, 32, 48, 64, 96, 128, 256, 384],
    minimumCacheTTL: 60 * 60 * 24 * 365, // 1 year cache
    dangerouslyAllowSVG: true,
    contentDispositionType: 'attachment',
    contentSecurityPolicy: "default-src 'self'; script-src 'none'; sandbox;",
    remotePatterns: [
      {
        protocol: 'https',
        hostname: '**.pounce.com',
      },
    ],
  },
  
  // Headers for security and caching
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on',
          },
          {
            key: 'Strict-Transport-Security',
            value: 'max-age=63072000; includeSubDomains; preload',
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN',
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff',
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block',
          },
          {
            key: 'Referrer-Policy',
            value: 'origin-when-cross-origin',
          },
          {
            key: 'Permissions-Policy',
            value: 'camera=(), microphone=(), geolocation=()',
          },
        ],
      },
      {
        source: '/static/:path*',
        headers: [
          {
            key: 'Cache-Control',
            value: 'public, max-age=31536000, immutable',
          },
        ],
      },
    ]
  },
  
  // Redirects from old routes to new Terminal routes
  async redirects() {
    return [
      // Old Command Center routes
      {
        source: '/command',
        destination: '/terminal/radar',
        permanent: true,
      },
      {
        source: '/command/:path*',
        destination: '/terminal/:path*',
        permanent: true,
      },
      // Dashboard → RADAR
      {
        source: '/terminal/dashboard',
        destination: '/terminal/radar',
        permanent: true,
      },
      // Pricing → INTEL
      {
        source: '/terminal/pricing',
        destination: '/terminal/intel',
        permanent: true,
      },
      {
        source: '/terminal/pricing/:tld*',
        destination: '/terminal/intel/:tld*',
        permanent: true,
      },
      // Public Intel → Discover
      {
        source: '/intel',
        destination: '/discover',
        permanent: true,
      },
      {
        source: '/intel/:tld*',
        destination: '/discover/:tld*',
        permanent: true,
      },
      // Old TLD pricing → Discover
      {
        source: '/tld-pricing',
        destination: '/discover',
        permanent: true,
      },
      {
        source: '/tld-pricing/:tld*',
        destination: '/discover/:tld*',
        permanent: true,
      },
      // Listings → LISTING
      {
        source: '/terminal/listings',
        destination: '/terminal/listing',
        permanent: true,
      },
      // Auctions & Marketplace → MARKET
      {
        source: '/terminal/auctions',
        destination: '/terminal/market',
        permanent: true,
      },
      {
        source: '/terminal/marketplace',
        destination: '/terminal/market',
        permanent: true,
      },
      // Portfolio is now a separate page (not redirected anymore)
      // Alerts → RADAR (will be integrated)
      {
        source: '/terminal/alerts',
        destination: '/terminal/radar',
        permanent: true,
      },
      // SEO → RADAR (premium feature, hidden for now)
      {
        source: '/terminal/seo',
        destination: '/terminal/radar',
        permanent: true,
      },
    ]
  },
  
  // Proxy API requests to backend
  // This ensures /api/v1/* works regardless of how the server is accessed
  async rewrites() {
    // Determine backend URL based on environment
    const backendUrl = process.env.BACKEND_URL || 'http://127.0.0.1:8000'
    
    return [
      {
        source: '/api/v1/:path*',
        destination: `${backendUrl}/api/v1/:path*`,
      },
    ]
  },
}

module.exports = nextConfig