import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import { resolve } from 'path'
import AutoImport from 'unplugin-auto-import/vite'
import Components from 'unplugin-vue-components/vite'
import { TDesignResolver } from 'unplugin-vue-components/resolvers'

// Node 20.18 for Windows 缺少 getRandomValues，手动 polyfill
import crypto from 'node:crypto'
if (!globalThis.crypto) {
  (globalThis as any).crypto = crypto
}
if (!(globalThis.crypto as any).getRandomValues) {
  (globalThis.crypto as any).getRandomValues = (arr: Uint8Array) => crypto.randomFillSync(arr)
}

export default defineConfig({
  plugins: [
    vue(),
    // TDesign 按需自动引入
    AutoImport({
      resolvers: [TDesignResolver({ library: 'vue-next' })],
    }),
    Components({
      resolvers: [TDesignResolver({ library: 'vue-next' })],
    }),
  ],
  // 同源部署：资源使用绝对路径 /
  base: '/',
  resolve: {
    alias: {
      '@': resolve(__dirname, 'src'),
    },
  },
  build: {
    outDir: 'dist',
    assetsDir: 'assets',
    sourcemap: false,           // 生产环境不需要 sourcemap，加速构建
    minify: 'esbuild',          // esbuild 比 terser 快 20-40 倍
    reportCompressedSize: false, // 跳过压缩体积报告，省 1~3s
    rollupOptions: {
      output: {
        // 拆出独立 chunk，浏览器可长期缓存
        manualChunks: {
          'tdesign': ['tdesign-vue-next'],
          'echarts': ['mermaid'],  // mermaid 体积较大，独立打包
        },
      },
    },
  },
  server: {
    port: 5173,
    proxy: {
      // 开发阶段：API 请求代理到 Spring Boot 后端 9090
      '/ai': 'http://localhost:9090',
      '/auth': 'http://localhost:9090',
      '/category': 'http://localhost:9090',
      '/conversation': 'http://localhost:9090',
      '/dashboard': 'http://localhost:9090',
      '/document': 'http://localhost:9090',
      '/faq': 'http://localhost:9090',
      '/feedback': 'http://localhost:9090',
      '/model-config': 'http://localhost:9090',
      '/sensitive-word': 'http://localhost:9090',
      '/upload': 'http://localhost:9090',
      '/api-key': 'http://localhost:9090',
      '/webhook': 'http://localhost:9090',
      '/mcp-server': 'http://localhost:9090',
      '/system-config': 'http://localhost:9090',
      '/sys-user': 'http://localhost:9090',
      '/sys-role': 'http://localhost:9090',
      '/tag': 'http://localhost:9090',
      '/open-api': 'http://localhost:9090',
      '/sdk': 'http://localhost:9090',
      '/doc.html': 'http://localhost:9090',
      '/swagger-ui': 'http://localhost:9090',
      '/v3': 'http://localhost:9090',
      '/webjars': 'http://localhost:9090',
    },
  },
})