import vue from "@vitejs/plugin-vue"
import { resolve } from "path"
import { defineConfig, loadEnv, ConfigEnv } from "vite"
import vueSetupExtend from "vite-plugin-vue-setup-extend"
import AutoImport from "unplugin-auto-import/vite"
import topLevelAwait from "vite-plugin-top-level-await"
import { createStyleImportPlugin, VxeTableResolve } from "vite-plugin-style-import"
import viteCompression from "vite-plugin-compression"
// @ts-ignore
import { svgBuilder } from "/@/components/IconSelector/index"

import dns from "node:dns"
dns.setDefaultResultOrder("verbatim")

const pathResolve = (dir: string) => {
	return resolve(__dirname, ".", dir)
}

const alias: Record<string, string> = {
	"/@": pathResolve("./src/"),
	"vue-i18n": "vue-i18n/dist/vue-i18n.cjs.js",
}

const viteConfig = defineConfig((mode: ConfigEnv) => {
	const env = loadEnv(mode.mode, process.cwd())
    const fileEnv = loadEnv(mode.mode, process.cwd(), '')
    if (fileEnv.VITE_FILE_ACCESS_APP_ID !== 'admin' || !/^[a-zA-Z0-9_-]{1,32}$/.test(fileEnv.VITE_FILE_ACCESS_KEY_ID || '')
        || !/^[A-Za-z0-9+/]+={0,2}$/.test(fileEnv.VITE_FILE_ACCESS_KEY || '')
        || Buffer.from(fileEnv.VITE_FILE_ACCESS_KEY || '', 'base64').length < 32) {
        throw new Error('请配置文件访问 appId、kid 和至少 32 字节的 Base64 密钥；本地可用 .env.local，自动构建请通过 .env.prod 或流水线环境变量提供')
    }

	// 判断是否开发环境
	const isDev = env.ENV === "development"
	return {
		plugins: [
			vue(), // Vue 插件
			svgBuilder("./src/assets/icons/"), // 将 SVG 文件转换成 Vue 组件
			vueSetupExtend(), // setup语法糖增强插件
			AutoImport({
				imports: ["vue", "vue-router", "pinia"], // 自动导入的依赖库数组
				dts: "./auto-imports.d.ts", // 自动导入类型定义文件路径
			}),
			createStyleImportPlugin({
				resolves: [VxeTableResolve()], // 配置vxetable 按需加载
			}),
			topLevelAwait({
				promiseExportName: "__tla", // TLA Promise 变量名
				promiseImportName: (i) => `__tla_${i}`, // TLA Promise 导入名
			}),
			viteCompression({
				deleteOriginFile: false, // 压缩后删除原来的文件
			}),
		],
		root: process.cwd(), // 项目根目录
		resolve: { alias, dedupe: ["echarts"] }, // 图表包装组件与按需注册共用同一份 ECharts
		base: mode.command === "serve" ? "./" : env.VITE_PUBLIC_PATH,
		optimizeDeps: {
			// 统一预构建，避免懒加载图表时核心与组件分批优化后出现多个注册表。
			include: [
				"element-plus/es/locale/lang/zh-cn", "element-plus/es/locale/lang/en",
				"vue-echarts", "echarts", "echarts/core", "echarts/charts", "echarts/components", "echarts/renderers",
			],
		},
		server: {
			host: "0.0.0.0", // 服务器地址
			port: env.VITE_PORT as unknown as number, // 服务器端口号
			open: env.VITE_OPEN === "true", // 是否自动打开浏览器
			hmr: true, // 启用热更新
			proxy: {
				"/api/gen": {
					//单体架构下特殊处理代码生成模块代理
					target: env.VITE_IS_MICRO === "true" ? env.VITE_ADMIN_PROXY_PATH : env.VITE_GEN_PROXY_PATH,
					changeOrigin: true,
					rewrite: (path) => path.replace(/^\/api/, ""),
				},
				"/api": {
					target: env.VITE_ADMIN_PROXY_PATH, // 目标服务器地址
					ws: true, // 是否启用 WebSocket
					changeOrigin: true, // 是否修改请求头中的 Origin 字段
					rewrite: (path) => path.replace(/^\/api/, ""),
				},
				"^/ws/info/.*": {
					target: env.VITE_ADMIN_PROXY_PATH, // 目标服务器地址
					ws: true, // 是否启用 WebSocket
					changeOrigin: true,
				},
			},
		},
		build: {
			outDir: "dist", // 打包输出目录//
			chunkSizeWarningLimit: 1500, // 代码分包阈值
			// 开发使用 esbuild 更快，生产环境打包使用 terser 可以删除更多注释
			minify: isDev ? "esbuild" : "terser",
			terserOptions: {
				compress: {
					drop_console: true, // 删除 console
					drop_debugger: true, // 删除 debugger
				},
				format: {
					comments: false, // 删除所有注释
				},
			},
			rollupOptions: {
				output: {
					entryFileNames: `assets/[name].[hash].js`,
					chunkFileNames: `assets/[name].[hash].js`,
					assetFileNames: `assets/[name].[hash].[ext]`,
					compact: true,
					manualChunks: {
						vue: ["vue", "vue-router", "pinia"],
						echarts: ["echarts"],
					},
				},
			},
		},
		css: { preprocessorOptions: { css: { charset: false } } },
		define: {
			__VUE_I18N_LEGACY_API__: JSON.stringify(false),
			__VUE_I18N_FULL_INSTALL__: JSON.stringify(false),
			__INTLIFY_PROD_DEVTOOLS__: JSON.stringify(false),
			__VERSION__: JSON.stringify(process.env.npm_package_version),
			__NEXT_NAME__: JSON.stringify(process.env.npm_package_name),
		},
	}
})

export default viteConfig