/** @type {import('next').NextConfig} */
const nextConfig = {
  // Enable React Strict Mode for better error detection
  reactStrictMode: true,
  
  // Configure images to allow external URLs if needed
  images: {
    remotePatterns: [
      {
        protocol: 'https',
        hostname: '**',
      },
      {
        protocol: 'http',
        hostname: '**',
      },
    ],
    unoptimized: true, // Disable image optimization for static export
  },
  
  // Enable SWC minification for faster builds
  swcMinify: true,
  
  // Configure Sass support
  // sassOptions: {
  //   additionalData: `@use "styles/variables" as *;`,
  // },
  
  // Environment variables
  env: {
    RESEND_API_KEY: process.env.RESEND_API_KEY,
    WP_API_URL: process.env.WP_API_URL,
    WP_API_USER: process.env.WP_API_USER,
    WP_API_PASS: process.env.WP_API_PASS,
    SITE_URL: process.env.SITE_URL || 'http://localhost:3000',
  },
  
  // Webpack configuration
  webpack: (config, { isServer }) => {
    // Handle node polyfills if needed
    if (!isServer) {
      config.resolve.fallback = {
        ...config.resolve.fallback,
        fs: false,
        net: false,
        tls: false,
      };
    }
    
    return config;
  },
  
  // Generate source maps for better debugging
  productionBrowserSourceMaps: false,
  
  // Disable X-Powered-By header for security
  poweredByHeader: false,
  
  // Experimental features
  experimental: {
    // Enable server actions if needed
    serverActions: {
      bodySizeLimit: '1mb',
    },
  },
  
  // Output configuration - use 'export' for static sites
  // or leave undefined for server-side rendering
  output: process.env.NEXT_PUBLIC_EXPORT === 'true' ? 'export' : undefined,
  
  // Base path configuration (if deploying to subdirectory)
  basePath: process.env.NEXT_PUBLIC_BASE_PATH || '',
  
  // trailingSlash: true, // Uncomment if you need trailing slashes
  
  // 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',
  //         },
  //       ],
  //     },
  //   ];
  // },
  
  // async redirects() {
  //   return [
  //     {
  //       source: '/old-path',
  //       destination: '/new-path',
  //       permanent: true,
  //     },
  //   ];
  // },
  
  // async rewrites() {
  //   return {
  //     beforeFiles: [
  //       // Rewrites for dynamic routes
  //     ],
  //   };
  // },
};

module.exports = nextConfig;