import path from "node:path";

import react from "@vitejs/plugin-react-swc";
import { visualizer } from "rollup-plugin-visualizer";
import { defineConfig } from "vitest/config";

// https://vitejs.dev/config/
export default defineConfig(() => ({
  // In a native Capacitor WebView the bundle is served from the local
  // filesystem, so assets must be referenced with RELATIVE paths ('./…').
  // Absolute '/…' paths are the classic cause of a white screen on device.
  // The regular web deploy keeps '/' (served from a domain root).
  base: process.env.CAPACITOR_BUILD ? './' : '/',
  server: {
    host: "::",
    port: 8080,
    // Dev proxy for the MintRadar directory (no CORS upstream; see public/_redirects).
    proxy: {
      '/api/mints': {
        target: 'https://mintradar.org',
        changeOrigin: true,
        secure: true,
      },
      // /api/nip05 (the name registry) and /api/ai are PRODUCTION-only (Netlify
      // Function + the CVM-host proxy). Without a dev proxy the dev server
      // answers them with index.html, so the NIP-05 availability check failed
      // locally with "Could not check right now" and dev AI never worked.
      '/api/nip05': {
        target: 'https://skate-spots.org',
        changeOrigin: true,
        secure: true,
      },
      '/api/ai': {
        target: 'https://ai.skate-spots.org',
        changeOrigin: true,
        secure: true,
      },
    },
  },
  plugins: [
    react(),
    // Bundle analysis — only when explicitly requested:
    //   ANALYZE=1 npm run build   →   writes stats.json (machine-readable)
    process.env.ANALYZE === '1' &&
      visualizer({ filename: 'stats.json', template: 'raw-data', gzipSize: true }),
  ],
  test: {
    globals: true,
    environment: 'jsdom',
    // Absolute path (resolved from this config's own directory) so the setup
    // file is found regardless of the cwd vitest is invoked from. A bare
    // relative './src/test/setup.ts' can resolve against the wrong root on
    // some setups and fail with "Cannot find module .../src/test/setup.ts".
    setupFiles: path.resolve(__dirname, './src/test/setup.ts'),
    // Only run the app's own tests. Skill templates under .agents/ carry their
    // own *.test.tsx that assume a different project layout (e.g. they import
    // @/lib/getDisplayName, which doesn't exist here) and must never run as
    // part of this app's suite. Build artifacts are excluded too.
    include: ['src/**/*.{test,spec}.{ts,tsx}'],
    exclude: ['node_modules', 'dist', 'android', 'ios', '.agents', 'cvm-server'],
    onConsoleLog(log) {
      return !log.includes("React Router Future Flag Warning");
    },
    env: {
      DEBUG_PRINT_LIMIT: '0',
    },
  },
  resolve: {
    alias: {
      "@": path.resolve(__dirname, "./src"),
    },
  },
  optimizeDeps: {
    exclude: ['@lightninglabs/lnc-web', '@xenova/transformers'],
  },
  // The translation worker imports the ESM transformers.js build and loads the
  // ONNX runtime from /ort/ (self-hosted). Keep it as an ES module worker.
  worker: {
    format: 'es',
  },

  build: {
    // Strip console.log/warn/debug in production (keeps console.error for real errors)
    minify: 'esbuild',
    commonjsOptions: {
      transformMixedEsModules: true,
    },
    rollupOptions: {
      // Bundling policy — the distinction that matters is STATIC vs DYNAMIC import,
      // and whether the package resolves on the build machine:
      //
      // BUNDLED (absent from this list):
      // - @capacitor/core — imported STATICALLY (lib/platform.ts). It MUST be
      //   bundled: leaving it external emitted a bare `import "@capacitor/core"`
      //   specifier the native WebView can't resolve → white-screen boot crash.
      //   Capacitor guarantees core is installed, so bundling always resolves.
      //
      // EXTERNAL (listed below):
      // - @capacitor/camera — used only via a GUARDED dynamic import() on native
      //   (components/CameraCapture.tsx). It may not be installed on every build
      //   machine, and it's optional/native-only, so it must stay external. The
      //   dynamic import() remains a runtime call that degrades gracefully.
      // - @capacitor/app|haptics|keyboard|status-bar — NOT installed and never
      //   statically imported (accessed via window.Capacitor.Plugins at runtime).
      //
      // NOTE: Amber signing no longer uses the npm `nostr-signer-capacitor-plugin`.
      // It now goes through our OWN native plugin `AmberIntent`
      // (android-templates/AmberIntentPlugin.java), which implements the Amethyst
      // foreground-intent NIP-55 flow and is reached via registerPlugin('AmberIntent')
      // from @capacitor/core (already bundled). No bare specifier to externalize.
      external: [
        '@capacitor/camera',
        '@capacitor/app',
        '@capacitor/haptics',
        '@capacitor/keyboard',
        '@capacitor/status-bar',
      ],
      output: process.env.CAPACITOR_BUILD ? {
        // Single bundle for Capacitor APK — avoids 100+ chunk file requests
        // that fail silently in Android WebView local file serving
        manualChunks: undefined,
        inlineDynamicImports: true,
      } : {
        // Web build: let Rollup decide chunk boundaries.
        //
        // A custom manualChunks() used to split large vendors into `vendor-*`
        // chunks. That produced cross-chunk circular imports and crashed boot
        // of the production bundle with
        // "ReferenceError: Cannot access '<x>' before initialization" (TDZ) —
        // first in vendor-charts, then vendor-bitcoin. Rollup's default
        // splitting keeps interdependent modules together and is safe. Only
        // re-introduce manual chunks with a runtime smoke test of the built
        // bundle (dev mode does NOT catch this).
      },
    },
  },
  // Strip console.log/warn/debug calls from production build
  esbuild: {
    drop: ['debugger'],
    pure: ['console.log', 'console.warn', 'console.debug'],
  },
}));