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

// Backend port for dev server proxy (default: 8000)
const backendPort = process.env.BACKEND_PORT || '8000'
const backendUrl = `http://localhost:${backendPort}`

export default defineConfig({
  plugins: [react()],
  build: {
    outDir: '../static',
    emptyOutDir: true,
    chunkSizeWarningLimit: 3000,
  },
  server: {
    host: '0.0.0.0',
    proxy: {
      '/api/v1/ws': {
        target: backendUrl,
        ws: true,
        changeOrigin: true,
      },
      '/api': {
        target: backendUrl,
        changeOrigin: true,
      },
    },
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
})
