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

const host = process.env.TAURI_DEV_HOST;

// https://vite.dev/config/
export default defineConfig(async () => ({
  plugins: [react(), tailwindcss()],

  // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
  //
  // 1. prevent Vite from obscuring rust errors
  clearScreen: false,
  // 2. tauri expects a fixed port, fail if that port is not available
  server: {
    port: 1420,
    strictPort: true,
    host: host || false,
    hmr: host
      ? {
          protocol: "ws",
          host,
          port: 1421,
        }
      : undefined,
    watch: {
      // 3. tell Vite to ignore watching `src-tauri`
      ignored: ["**/src-tauri/**"],
    },
    proxy: {
      // Proxy /api requests to OpenFang Kernel (port 50051 - actual running port)
      // OpenFang is managed by Tauri app - started via gateway_start command
      '/api': {
        target: 'http://127.0.0.1:50051',
        changeOrigin: true,
        secure: false,
        ws: true,  // Enable WebSocket proxy for streaming
      },
    },
  },
}));