import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';

// Use TAURI_DEV_HOST when running inside tauri dev, otherwise fall back to localhost.
const host = process.env.TAURI_DEV_HOST;

export default defineConfig({
  plugins: [react()],
  // Prevent vite from obscuring Rust errors in tauri dev
  clearScreen: false,
  server: {
    port: 5173,
    strictPort: true,
    host: host || false,
    hmr: host ? { protocol: 'ws', host, port: 5174 } : undefined,
    watch: {
      // Tauri expects a hot reloading mechanism; ignore Rust src changes in Vite
      ignored: ['**/src-tauri/**'],
    },
  },
  build: {
    outDir: 'dist',
    emptyOutDir: true,
    // Produces smaller bundle sizes compatible with Tauri's webview
    target: ['es2021', 'chrome105', 'safari13'],
    minify: !process.env.TAURI_DEBUG ? 'esbuild' : false,
    sourcemap: !!process.env.TAURI_DEBUG,
  },
});