import {resolve} from 'path'
import type {ConfigEnv, UserConfig} from 'vite'
import {loadEnv} from 'vite'
import {createVitePlugins} from './build/vite'
import {exclude, include} from "./build/vite/optimize"
// 当前执行node命令时文件夹的地址(工作目录)
const root = process.cwd()


// 路径查找
function pathResolve(dir: string) {
	return resolve(root, '.', dir)
}

// https://vitejs.dev/config/
export default ({command, mode}: ConfigEnv): UserConfig => {
	let env = {} as any
	const isBuild = command === 'build'
	if (!isBuild) {
		env = loadEnv((process.argv[3] === '--mode' ? process.argv[4] : process.argv[3]), root)
	} else {
		env = loadEnv(mode, root)
	}
	return {
		base: env.VITE_BASE_PATH,
		root: root,
		// 服务端渲染
		server: {
			port: env.VITE_PORT, // 端口号
			host: "0.0.0.0",
			open: env.VITE_OPEN === 'true',
			// 本地跨域代理. 目前注释的原因：暂时没有用途，server 端已经支持跨域
			// proxy: {
			// 	['/admin-api']: {
			// 		target: env.VITE_BASE_URL,
			// 		ws: false,
			// 		changeOrigin: true,
			// 		rewrite: (path) => path.replace(new RegExp(`^/admin-api`), ''),
			// 	},
			// },
		},
		// 项目使用的vite插件。 单独提取到build/vite/plugin中管理
		plugins: createVitePlugins(),
		css: {
			preprocessorOptions: {
				scss: {
					additionalData: '@use "@/styles/variables.scss" as *;',
					javascriptEnabled: true,
					silenceDeprecations: ["legacy-js-api"], // 参考自 https://stackoverflow.com/questions/78997907/the-legacy-js-api-is-deprecated-and-will-be-removed-in-dart-sass-2-0-0
				}
			}
		},
		resolve: {
			extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.scss', '.css'],
			alias: [
				{
					find: 'vue-i18n',
					replacement: 'vue-i18n/dist/vue-i18n.cjs.js'
				},
				{
					find: /\@\//,
					replacement: `${pathResolve('src')}/`
				}
			]
		},
		build: {
			minify: 'terser',
			outDir: env.VITE_OUT_DIR || 'dist',
			sourcemap: env.VITE_SOURCEMAP === 'true' ? 'inline' : false,
			// brotliSize: false,
			terserOptions: {
				compress: {
					drop_debugger: env.VITE_DROP_DEBUGGER === 'true',
					drop_console: env.VITE_DROP_CONSOLE === 'true'
				}
			},
			rollupOptions: {
				output: {
					manualChunks: {
						echarts: ['echarts'] // 将 echarts 单独打包，参考 https://gitee.com/yudaocode/yudao-ui-admin-vue3/issues/IAB1SX 讨论
					}
				},
			},
		},
		optimizeDeps: {include, exclude}
	}
}