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://vitejs.dev/config/
export default defineConfig({
  css: {
    preprocessorOptions: {
      scss: {
        additionalData: `@use "@/assets/styles/variables.scss" as *;`
      }
    }
  },
  plugins: [
    vue(),
    AutoImport({
      // 自动导入 Vue 相关函数
      imports: [
        'vue',
        'vue-router',
        'pinia',
        '@vueuse/core'
      ],
      // 自动导入 Element Plus 相关函数
      resolvers: [ElementPlusResolver()],
      dts: 'src/auto-imports.d.ts',
      eslintrc: {
        enabled: true
      }
    }),
    Components({
      // 自动导入 Element Plus 组件
      resolvers: [ElementPlusResolver()],
      dts: 'src/components.d.ts'
    })
  ],
  resolve: {
    alias: {
      '@': resolve(__dirname, 'src')
    }
  },
  server: {
    port: 3000,
    open: true,
    proxy: {
      '/api': {
        target: 'http://localhost:8000',
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api/, '/api/v1')
      }
    }
  },
  build: {
    target: 'es2015',
    outDir: 'dist',
    assetsDir: 'assets',
    sourcemap: false,
    chunkSizeWarningLimit: 1500,
    rollupOptions: {
      output: {
        manualChunks: {
          'vue-vendor': ['vue', 'vue-router', 'pinia'],
          'element-plus': ['element-plus', '@element-plus/icons-vue'],
          'echarts': ['echarts']
        }
      }
    }
  }
})