next.config.ts

import type { NextConfig } from "next";
import createNextIntlPlugin from "next-intl/plugin";

const withNextIntl = createNextIntlPlugin("./src/i18n/request.ts");

const securityHeaders = [
  {
    key: "Strict-Transport-Security",
    value: "max-age=63072000; includeSubDomains; preload",
  },
  { key: "X-Content-Type-Options", value: "nosniff" },
  { key: "X-Frame-Options", value: "DENY" },
  { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
  {
    key: "Permissions-Policy",
    value: "camera=(), microphone=(), geolocation=(), interest-cohort=()",
  },
  {
    key: "Content-Security-Policy",
    value: [
      "default-src 'self'",
      "script-src 'self' 'unsafe-inline' 'unsafe-eval' https://va.vercel-scripts.com",
      "style-src 'self' 'unsafe-inline'",
      "img-src 'self' data: blob: https:",
      "font-src 'self' data:",
      // media-src allows the <audio> tag in MusicPreview to stream Deezer's
      // 30s preview MP3s. Their preview CDN shards across hosts like
      // cdns-preview-a.dzcdn.net, cdns-preview-d.dzcdn.net, etc. — covered
      // by *.dzcdn.net. blob: is here so we can still play any locally-
      // generated audio in dev.
      "media-src 'self' blob: https://*.dzcdn.net",
      "connect-src 'self' https://*.supabase.co wss://*.supabase.co https://api.anthropic.com https://va.vercel-scripts.com https://vitals.vercel-insights.com",
      "frame-src 'self' https://www.youtube-nocookie.com https://www.youtube.com https://books.google.com",
      "frame-ancestors 'none'",
      "base-uri 'self'",
      "form-action 'self'",
      "upgrade-insecure-requests",
    ].join("; "),
  },
];

const nextConfig: NextConfig = {
  images: {
    remotePatterns: [
      { protocol: "https", hostname: "image.tmdb.org" },
      { protocol: "https", hostname: "covers.openlibrary.org" },
      { protocol: "https", hostname: "images.unsplash.com" },
      { protocol: "https", hostname: "img.youtube.com" },
      // Deezer cover art CDNs — albums return cover URLs from any of these
      // host shards (cdns-images.dzcdn.net, e-cdns-images.dzcdn.net, etc.).
      { protocol: "https", hostname: "*.dzcdn.net" },
      { protocol: "https", hostname: "cdn-images.dzcdn.net" },
    ],
  },
  async headers() {
    return [{ source: "/:path*", headers: securityHeaders }];
  },
};

export default withNextIntl(nextConfig);