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

const nextConfig: NextConfig = {
  reactStrictMode: true,
  // The workspace packages ship TypeScript source with no build step.
  transpilePackages: ['@impuestos/contracts', '@impuestos/i18n', '@impuestos/rules'],
  output: 'standalone',
  // /api is proxied at runtime by app/api/[...path]/route.ts rather than by a rewrite,
  // so API_INTERNAL_URL stays a runtime setting. See the comment in that file.
  async headers() {
    return [
      {
        // The bundler emits the service worker under /_next/static, and a worker may only
        // claim a scope at or below its own path unless the response says otherwise.
        // Security headers for everything else are set in proxy.ts, which does not run for
        // /_next.
        source: '/_next/static/service-worker/:path*',
        headers: [
          { key: 'Service-Worker-Allowed', value: '/' },
          // Production only: Next warns that a custom Cache-Control here interferes with
          // how the dev server serves its own assets, and it does.
          ...(process.env.NODE_ENV === 'production'
            ? [{ key: 'Cache-Control', value: 'no-cache, no-store, must-revalidate' }]
            : []),
        ],
      },
    ];
  },
};

export default createNextIntlPlugin('./src/i18n/request.ts')(nextConfig);