import { ConfigEnv, UserConfig, defineConfig } from "vite";
import { createHtmlPlugin } from "vite-plugin-html";
import vue from "@vitejs/plugin-vue";
import path, { resolve } from "path";
import { createSvgIconsPlugin } from "vite-plugin-svg-icons";
import { viteMockServe } from "vite-plugin-mock";
import ViteAutoImport from "unplugin-auto-import/vite";

import UnoCSS from "@unocss/vite";
import presetUno from "@unocss/preset-uno";
import presetRemToPx from "@unocss/preset-rem-to-px";

export default defineConfig(({ mode }: ConfigEnv): UserConfig => {
    // 构建产物直出 dist/（notice / flow-center 同口径）：projman 前端发布要求 zip 根含 index.html，
    // 不得再套 dist/base 中间层；dev(serve) 不写产物，两者共用该值无冲突
    const outDir = "dist";

    return {
        plugins: [
            vue(),
            createSvgIconsPlugin({
                iconDirs: [resolve(process.cwd(), "src/assets/icons")],
                symbolId: "icon-[dir]-[name]",
                inject: "body-last",
                customDomId: "__svg__icons__dom__",
            }),
            viteMockServe({
                mockPath: "./src/assets/mock",
                // 仅 --mode mock 时启用 mock 中间件；dev/联调/正式均走真实后端
                localEnabled: mode === "mock",
            }),
            ViteAutoImport({
                imports: [
                    "vue",
                    "vue-router",
                    {
                        "view-ui-plus": ["Button", "Table", "Modal", "Message", "Form", "FormItem", "Input", "Select"],
                    },
                    {
                        from: "alova/client",
                        imports: ["usePagination", "useRequest", "useWatcher", "useForm"],
                    },
                ],
                dts: "./src/auto-imports.d.ts",
                dirs: ["src/api"], // 自动导入 api hooks
            }),
            createHtmlPlugin({
                minify: true,
                pages: [
                    {
                        entry: "src/main.ts",
                        template: "index.html",
                        filename: "index.html",
                        injectOptions: {
                            data: {
                                title: "表单中心",
                                injectScript: ``,
                            },
                        },
                    },
                ],
            }),
            UnoCSS({
                presets: [presetUno(), presetRemToPx({ baseFontSize: 4 })],
                shortcuts: {
                    "flex-center": "flex items-center justify-center",
                    btn: "px-16px py-8px rounded-4px cursor-pointer transition-all duration-200",
                    card: "bg-white rounded-8px shadow-md p-16px",
                    "text-ellipsis": "truncate",
                    "text-multi-ellipsis": "line-clamp-2",
                },
                theme: {
                    fontSize: {
                        xs: "12px",
                        sm: "14px",
                        base: "16px",
                        lg: "18px",
                        xl: "20px",
                        "2xl": "24px",
                    },
                },
            }),
            // 主题接入已免插件化（A 类，规范 §2.1）：唯一接入点 = index.html 的 loader；
            // 下面的 /static 代理只是 dev 联调便利（prod 同源用不到），删除不影响线上主题
        ],
        resolve: {
            alias: {
                "@": path.resolve(__dirname, "./src"),
            },
        },
        server: {
            host: "localhost",
            // 本地 dev 端口（执行手册 §5 P6：service=8086 / front=8089）
            port: 8089,
            proxy: {
                // dev 正式模式：serviceHost 为空（同源相对路径 /api/...），经此代理转发到本地后端
                // （后端 CAS 过滤器对 /api/* 不回 CORS 头，浏览器直连 8086 会被拦，必须同源代理）
                "/api": {
                    target: "http://localhost:8086",
                    changeOrigin: true,
                },
                // 主题通道本地联调：dev 下 loader 走同源相对，manifest/CSS 经此代理到中央通道。
                // 联调本地通道源：YschTheme 侧 npm run serve:static（默认 9527），再用
                // YH_THEME_PROXY_TARGET=http://localhost:9527 覆盖本 target
                "/static": {
                    target: process.env.YH_THEME_PROXY_TARGET || "http://base.yunhaixingtong.com",
                    changeOrigin: true,
                },
            },
        },
        base: "./",
        build: {
            target: "modules",
            outDir,
            assetsDir: "assets",
            sourcemap: false,
            minify: "esbuild",
            chunkSizeWarningLimit: 1000,
            cssTarget: "chrome61", // 安卓微信 webview 不支持 #RGBA 十六进制颜色
            rollupOptions: {
                input: {
                    main: resolve("index.html"),
                },
                output: {
                    chunkFileNames: "static/js/[name]-[hash].js",
                    entryFileNames: "static/js/[name]-[hash].js",
                    assetFileNames: (assetInfo: any) => {
                        if (assetInfo.type === "asset" && /\.(jpe?g|png|gif|svg)$/i.test(assetInfo.name)) {
                            return "static/img/[name].[hash][ext]";
                        }
                        if (assetInfo.type === "asset" && /\.(ttf|woff|woff2|eot)$/i.test(assetInfo.name)) {
                            return "static/fonts/[name].[hash][ext]";
                        }
                        return "static/[ext]/[name]-[hash].[ext]";
                    },
                },
                manualEntrypoint: "index.html",
            },
        },
    };
});