import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import { resolve } from 'path'
import Components from 'unplugin-vue-components/vite'
import { ElementPlusResolver } from 'unplugin-vue-components/resolvers'
import ElementPlus from 'unplugin-element-plus/vite'

export default defineConfig({
  plugins: [
    vue(),
    // Auto-import Element Plus components used in templates
    Components({
      resolvers: [ElementPlusResolver()],
      dts: 'src/components.d.ts',
    }),
    // Auto-import styles for explicitly imported Element Plus APIs (ElMessage, ElMessageBox, etc.)
    ElementPlus({}),
  ],
  resolve: {
    alias: {
      '@': resolve(__dirname, 'src'),
    },
  },
  build: {
    rollupOptions: {
      output: {
        manualChunks: {
          // After tree-shaking, this chunk only contains the components actually used
          'element-plus': ['element-plus'],
          'vue-vendor': ['vue', 'vue-router', 'pinia'],
        },
      },
    },
  },
  server: {
    port: 5173,
    proxy: {
      '/api': {
        target: 'http://localhost:8002',
        changeOrigin: true,
      },
      '/health': {
        target: 'http://localhost:8002',
        changeOrigin: true,
      },
    },
  },
})