import { defineConfig } from 'astro/config';
import sitemap from '@astrojs/sitemap';
import AstroPWA from '@vite-pwa/astro';
import tailwindcss from '@tailwindcss/vite';

export default defineConfig({
  site: 'https://asger.xn--weirse-fya.dk',
  trailingSlash: 'ignore',
  integrations: [
    sitemap({
      changefreq: 'weekly',
      priority: 0.7,
      serialize(item) {
        if (item.url === 'https://asger.xn--weirse-fya.dk/') item.priority = 1.0;
        return item;
      },
    }),
    // Service worker → offline support + installable PWA. autoUpdate + outdated-cache
    // cleanup so a redeploy never strands a visitor on a stale version. Reuses the
    // existing public/site.webmanifest (manifest: false = don't generate another).
    AstroPWA({
      registerType: 'autoUpdate',
      manifest: false,
      includeManifestIcons: false,
      workbox: {
        globPatterns: ['**/*.{html,css,js,svg,png,woff2,xml,txt,webmanifest}'],
        cleanupOutdatedCaches: true,
        clientsClaim: true,
        skipWaiting: true,
      },
      devOptions: { enabled: false },
    }),
  ],
  prefetch: { prefetchAll: true, defaultStrategy: 'viewport' },
  vite: { plugins: [tailwindcss()] },
});