import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import { resolve } from 'path'
import { fileURLToPath, URL } from 'node:url'
import Icons from 'unplugin-icons/vite'
import IconsResolver from 'unplugin-icons/resolver'
import Components from 'unplugin-vue-components/vite'
import fs from 'node:fs'
import path from 'node:path'

// 读取 apps.txt 确定应用优先级（靠后优先）
function loadAppsOrder(appsDir: string) {
  const appsTxt = path.join(appsDir, 'apps.txt')
  try {
    const content = fs.readFileSync(appsTxt, 'utf-8')
    return content
      .split(/\r?\n/)
      .map((s) => s.trim())
      .filter(Boolean)
  } catch {
    return ['jingrow']
  }
}

// 计算本工程中的 apps 目录（当前文件位于 apps/jingrow/frontend/vite.config.ts）
const currentDir = fileURLToPath(new URL('.', import.meta.url))
const appsDir = path.resolve(currentDir, '..', '..')
const APPS_ORDER = loadAppsOrder(appsDir)

export default defineConfig({
  plugins: [
    vue(),
    Icons({
      autoInstall: true,
      compiler: 'vue3'
    }),
    Components({
      resolvers: [
        IconsResolver({
          prefix: 'i',
          enabledCollections: ['tabler']
        }),
      ],
    }),
  ],
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url)),
      // 跨 app 访问源码（相对计算得到的 apps 目录）
      '@apps': appsDir
    }
  },
  server: {
    host: '0.0.0.0',
    port: 3002,
    strictPort: true,
    open: false,
    cors: true,
    fs: {
      // 放行 monorepo apps 目录，便于 import.meta.glob 跨应用扫描
      allow: [appsDir]
    },
    allowedHosts: ['code.jingrow.com'],
    proxy: {
      '/api/action': {
        target: process.env.VITE_JINGROW_SERVER_URL || 'http://192.168.2.58',
        changeOrigin: true,
        secure: false
      },
      '/api/data': {
        target: process.env.VITE_BACKEND_SERVER_URL || 'http://localhost:9001',
        changeOrigin: true,
        secure: false
      },
      '/jingrow': {
        target: process.env.VITE_BACKEND_SERVER_URL || 'http://localhost:9001',
        changeOrigin: true,
        secure: false
      }
    }
  },
  build: {
    outDir: 'dist',
    assetsDir: 'assets'
  },
  define: {
    // 确保环境变量在构建时可用
    __APP_VERSION__: JSON.stringify(process.env.npm_package_version),
    // 注入 apps.txt 的应用顺序到前端
    __APPS_ORDER__: JSON.stringify(APPS_ORDER)
  }
})