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 { ElementPlusResolver } from "unplugin-vue-components/resolvers";

// https://vite.dev/config/
export default defineConfig({
  // Windows 下若 dist 被占用，清空或覆盖会 EPERM；产物默认写到 output/（与 dist 分离）。部署时请同步指向 output。
  build: {
    outDir: "output",
    emptyOutDir: true,
  },
  plugins: [
    vue(),
    AutoImport({
      resolvers: [ElementPlusResolver()],
    }),
    Components({
      resolvers: [ElementPlusResolver()],
    }),
  ],
  resolve: {
    alias: {
      "@": resolve(__dirname, "./src"),
    },
  },
  server: {
    host: "127.0.0.1",
    port: 4400,
    // 端口被占用时直接报错，不再自动漂移到其他端口（避免回跳地址与实际端口不一致）
    strictPort: true,
    // 开发时前端在 4400，接口走相对路径 /platform/*、/backend/*，转发到本地 Go（当前 httpport=9000）
    proxy: {
      "/platform": {
        target: "http://127.0.0.1:9000",
        changeOrigin: true,
      },
      "/backend": {
        target: "http://127.0.0.1:9000",
        changeOrigin: true,
      },
    },
  },
});