import type { NextConfig } from "next";

const securityHeaders = [
  { key: 'X-Content-Type-Options', value: 'nosniff' },
  { key: 'X-Frame-Options', value: 'SAMEORIGIN' },
  {
    key: 'Content-Security-Policy',
    value: "frame-ancestors 'self' https://*.huggingface.co https://huggingface.co",
  },
  { key: 'Referrer-Policy', value: 'strict-origin-when-cross-origin' },
  { key: 'Permissions-Policy', value: 'camera=(), microphone=(), geolocation=()' },
  {
    key: 'Strict-Transport-Security',
    value: 'max-age=63072000; includeSubDomains; preload',
  },
];

const nextConfig: NextConfig = {
  async headers() {
    return [
      {
        // Apply security headers to all routes
        source: '/(.*)',
        headers: securityHeaders,
      },
    ];
  },
  turbopack: {
    resolveAlias: {
      canvas: '@napi-rs/canvas',
    },
  },
  serverExternalPackages: ["@napi-rs/canvas", "ffmpeg-static", "better-sqlite3"],
  outputFileTracingIncludes: {
    '/api/audiobook': [
      './node_modules/ffmpeg-static/ffmpeg',
    ],
    '/api/audiobook/chapter': [
      './node_modules/ffmpeg-static/ffmpeg',
    ],
    '/api/whisper': [
      './node_modules/ffmpeg-static/ffmpeg',
    ],
    '/api/documents/blob/preview/ensure': [
      './node_modules/pdfjs-dist/legacy/build/pdf.worker.mjs',
    ],
    '/api/documents/blob/preview/presign': [
      './node_modules/pdfjs-dist/legacy/build/pdf.worker.mjs',
    ],
    '/api/documents/blob/preview/fallback': [
      './node_modules/pdfjs-dist/legacy/build/pdf.worker.mjs',
    ],
  },
};

export default nextConfig;