/** @type {import('next').NextConfig} */
const nextConfig = {
  // Enable React strict mode for better development experience
  reactStrictMode: true,

  // Output standalone for Docker deployment
  output: 'standalone',

  // Compiler options
  compiler: {
    // Remove console logs in production
    removeConsole: process.env.NODE_ENV === 'production' ? {
      exclude: ['error', 'warn'],
    } : false,
  },

  // Image optimization configuration
  images: {
    domains: ['s3.puffinoffset.com'],
    formats: ['image/avif', 'image/webp'],
  },

  // Headers for security and caching
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on'
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN'
          },
        ],
      },
      // Service Worker - no cache to ensure updates are detected immediately
      {
        source: '/sw.js',
        headers: [
          {
            key: 'Cache-Control',
            value: 'no-cache, no-store, must-revalidate',
          },
          {
            key: 'Service-Worker-Allowed',
            value: '/',
          },
        ],
      },
    ];
  },

  // Turbopack configuration (Next.js 16 default)
  turbopack: {},

  // Webpack configuration for any custom needs
  webpack: (config, { isServer }) => {
    // Fixes npm packages that depend on node modules
    if (!isServer) {
      config.resolve.fallback = {
        ...config.resolve.fallback,
        fs: false,
        net: false,
        tls: false,
      };
    }
    return config;
  },
};

export default nextConfig;