// next.config.js
const nextConfig = {
  // Add other configurations below
  reactStrictMode: true,
  images: {
    remotePatterns: [
      {
        protocol: 'https',
        hostname: 'api.clinic-pro.ir',
      },
      {
        protocol: 'https',
        hostname: 'clinicpro.liara.run',
      },
      {
        protocol: 'http',
        hostname: 'clinic-pro.ir',
      },
      {
        protocol: 'https',
        hostname: 'back-dev.clinic-pro.ir',
      },
      {
        protocol: 'https',
        hostname: 'clinic-pro-back.ddev.site',
      },
      {
        protocol: 'https',
        hostname: 'clinic-pro.ddev.site',
      },
      {
        protocol: 'http',
        hostname: 'clinic-pro.ddev.site',
      },
    ],
  },
  env: {
    // Make DEV_MODE available to the application
    DEV_MODE: process.env.DEV_MODE,
  },
  // Additional configuration for better Docker support
  trailingSlash: false,
  compress: true,
  poweredByHeader: false,
  // Enable standalone output for Docker
  output: 'standalone',
  async headers() {
    const isDev = process.env.NODE_ENV !== 'production';
    let apiOrigin = '';
    try {
      apiOrigin = new URL(process.env.NEXT_PUBLIC_API_URL).origin;
    } catch {
      apiOrigin = '';
    }

    const connectSrc = [
      "'self'",
      apiOrigin,
      'https://clinic-pro.ir',
      'https://back-dev.clinic-pro.ir',
      'http://clinic-pro.ddev.site',
      // Google Analytics / Tag Manager endpoints
      'https://www.google-analytics.com',
      'https://*.google-analytics.com',
      'https://www.googletagmanager.com',
      'https://*.analytics.google.com',
      'https://stats.g.doubleclick.net',
      ...(isDev ? ['ws:', 'wss:'] : []),
    ]
      .filter(Boolean)
      .join(' ');

    const csp = [
      "default-src 'self'",
      "img-src 'self' https: data: blob:",
      "script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com",
      "style-src 'self' 'unsafe-inline'",
      "font-src 'self' data:",
      'connect-src ' + connectSrc,
      "frame-ancestors 'none'",
      "object-src 'none'",
      "base-uri 'self'",
      "form-action 'self'",
    ].join('; ');

    return [
      {
        source: '/(.*)',
        headers: [
          { key: 'Strict-Transport-Security', value: 'max-age=63072000; includeSubDomains; preload' },
          { 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=()' },
          { key: 'Content-Security-Policy', value: csp },
        ],
      },
    ];
  },
};

module.exports = nextConfig;