import path from "node:path";

import react from "@vitejs/plugin-react-swc";
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,
  },
  plugins: [
    react(),
  ],
  test: {
    globals: true,
    environment: 'jsdom',
    setupFiles: './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'],
  },

  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,
      } : {
        // Split large vendor libraries into separate cacheable chunks.
        // Users only re-download a chunk when that specific library updates.
        manualChunks(id) {
          // Map — Leaflet is large (~150KB), isolate it so non-map pages don't pay for it
          if (id.includes('leaflet') || id.includes('ngeohash')) {
            return 'vendor-map';
          }
          // Nostr core — changes infrequently, worth caching separately
          if (id.includes('nostr-tools') || id.includes('@nostrify') || id.includes('@noble')) {
            return 'vendor-nostr';
          }
          // Bitcoin / Lightning — large, rarely changes
          if (
            id.includes('@cashu') ||
            id.includes('bitcoinjs-lib') ||
            id.includes('@scure') ||
            id.includes('@bitcoinerlab') ||
            id.includes('ecpair') ||
            id.includes('@getalby') ||
            id.includes('npubcash')
          ) {
            return 'vendor-bitcoin';
          }
          // React ecosystem — very stable, long cache life.
          // IMPORTANT: `react` (core, with useLayoutEffect etc.) MUST live in
          // the SAME chunk as react-dom / react-router. If react-dom is split
          // into vendor-react but core `react` lands elsewhere, react-dom runs
          // before React is defined → "Cannot read properties of undefined
          // (reading 'useLayoutEffect')". The `/react/` and scheduler matches
          // below keep the whole React runtime together and loaded first.
          if (
            id.includes('node_modules/react/') ||
            id.includes('node_modules/react-dom/') ||
            id.includes('node_modules/scheduler/') ||
            id.includes('react-router') ||
            id.includes('react/jsx-runtime')
          ) {
            return 'vendor-react';
          }
          // Radix UI components — large but stable
          if (id.includes('@radix-ui')) {
            return 'vendor-radix';
          }
          // TanStack Query
          if (id.includes('@tanstack')) {
            return 'vendor-query';
          }
        },
      },
    },
  },
  // Strip console.log/warn/debug calls from production build
  esbuild: {
    drop: ['debugger'],
    pure: ['console.log', 'console.warn', 'console.debug'],
  },
}));