import react from '@vitejs/plugin-react'
import { fileURLToPath } from 'node:url'
import { defineConfig, loadEnv } from 'vite'
import { buildDefines } from '../build-info.mjs'

// 开发时把 /api 转发给后端，地址取自环境变量 BACKEND_URL，或 web/.env.local 里的 BACKEND_URL=（见 web/.env.example）：
//   BACKEND_URL=https://mo.oeo.one npm run dev:display
export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, fileURLToPath(new URL('..', import.meta.url)), '')
  const backend = (process.env.BACKEND_URL ?? env.BACKEND_URL ?? 'http://localhost:29181').replace(/\/+$/, '')
  return {
    base: '/',
    define: buildDefines(mode === 'development'),
    plugins: [react()],
    resolve: { alias: { '@shared': fileURLToPath(new URL('../shared', import.meta.url)) } },
    server: {
      port: 5173,
      strictPort: true,
      fs: { allow: ['..'] },
      proxy: {
        // 开发时管理端是另一个 Vite 服务（5175）；和线上一样用同源的 /admin/ 访问它
        '/admin': { target: 'http://localhost:5175', changeOrigin: true, ws: true },
        '/api': { target: backend, changeOrigin: true, secure: true, cookieDomainRewrite: '' },
        '/healthz': { target: backend, changeOrigin: true, secure: true, cookieDomainRewrite: '' },
      },
    },
  }
})