import type { NextConfig } from "next";

const nextConfig: NextConfig = {
  // Otimização de imagens
  images: {
    formats: ["image/webp", "image/avif"],
    deviceSizes: [640, 750, 828, 1080, 1200, 1920, 2048, 3840],
    imageSizes: [16, 32, 48, 64, 96, 128, 256, 384],
    minimumCacheTTL: 60,
  },

  // Otimizações de performance
  experimental: {
    scrollRestoration: true,
  },

  // Headers de cache e segurança
  async headers(): Promise<
    Array<{ source: string; headers: Array<{ key: string; value: string }> }>
  > {
    const securityHeaders = [
      {
        key: "X-Frame-Options",
        value: "DENY",
      },
      {
        key: "X-Content-Type-Options",
        value: "nosniff",
      },
      {
        key: "Referrer-Policy",
        value: "strict-origin-when-cross-origin",
      },
      {
        key: "Permissions-Policy",
        value: "camera=(), microphone=(), geolocation=()",
      },
    ];

    // HSTS apenas em produção com HTTPS
    if (process.env.NODE_ENV === "production") {
      securityHeaders.push({
        key: "Strict-Transport-Security",
        value: "max-age=31536000; includeSubDomains; preload",
      });
    }

    return [
      {
        source: "/(.*)",
        headers: securityHeaders,
      },
      {
        source: "/static/(.*)",
        headers: [
          {
            key: "Cache-Control",
            value: "public, max-age=31536000, immutable",
          },
        ],
      },
      {
        source: "/_next/image(.*)",
        headers: [
          {
            key: "Cache-Control",
            value: "public, max-age=31536000, immutable",
          },
        ],
      },
      {
        source: "/fonts/(.*)",
        headers: [
          {
            key: "Cache-Control",
            value: "public, max-age=31536000, immutable",
          },
        ],
      },
      {
        source: "/assets/(.*)",
        headers: [
          {
            key: "Cache-Control",
            value: "public, max-age=31536000, immutable",
          },
        ],
      },
      {
        source: "/logos/(.*)",
        headers: [
          {
            key: "Cache-Control",
            value: "public, max-age=31536000, immutable",
          },
        ],
      },
    ];
  },

  // Proxy reverso para bypass de adblockers
  async rewrites() {
    return [
      // Rybbit Analytics
      {
        source: "/analytics/:match*",
        destination: "https://analytics.evandro.dev.br/:match*",
      },
      // Google Analytics - Script principal (camuflado como lib de sistema)
      {
        source: "/sys/libs/vendor-utils.js",
        destination: "https://www.googletagmanager.com/gtag/js?id=G-QTT9QT0T3S",
      },
      // Google Analytics - Endpoint de coleta (camuflado como API de vitals)
      // O gtag.js adiciona "/g/collect" automaticamente ao final da transport_url
      {
        source: "/sys/api/vitals/g/collect",
        destination: "https://www.google-analytics.com/g/collect",
      },
    ];
  },

  // Compressão
  compress: true,
};

export default nextConfig;