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',
    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: {
      // IMPORTANT: installed Capacitor packages (@capacitor/core, @capacitor/camera)
      // and the signer plugin MUST be bundled. Their JS API layer is real code that
      // the WebView needs — the *native* implementation is injected at runtime via
      // window.Capacitor, but the JS imports have to resolve. Externalizing them
      // leaves bare `import "@capacitor/core"` specifiers in the output, which a
      // native WebView cannot resolve → "Failed to resolve module specifier" crash.
      //
      // Only the Capacitor packages that are NOT installed are kept external, so a
      // stray import can't break the build. If one of these is ever added to
      // package.json, remove it from this list so it gets bundled.
      external: [
        '@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
          if (id.includes('react-dom') || id.includes('react-router')) {
            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'],
  },
}));