import { defineConfig, loadEnv } from "vite";
import vue from "@vitejs/plugin-vue";
import path from "node:path";
import { createHtmlPlugin } from "vite-plugin-html";
import { createSvgIconsPlugin } from "vite-plugin-svg-icons";
import { version } from "./package.json";
import fs from "fs";

const envDir = process.cwd() + "/profile";

function getChinaTimeISO() {
  const d = new Date();
  // 将时间转换为 UTC 毫秒数，然后加上 +8 小时
  const utcMs = d.getTime() + d.getTimezoneOffset() * 60000;
  const chinaMs = utcMs + 8 * 3600 * 1000;
  const chinaDate = new Date(chinaMs);
  // 返回类似 "2025-11-24T15:30:00+08:00"
  const pad = (n: number) => String(n).padStart(2, "0");
  const Y = chinaDate.getFullYear();
  const M = pad(chinaDate.getMonth() + 1);
  const D = pad(chinaDate.getDate());
  const h = pad(chinaDate.getHours());
  const m = pad(chinaDate.getMinutes());
  const s = pad(chinaDate.getSeconds());
  // 手动拼 +08:00 时区偏移
  return `${Y}-${M}-${D}T${h}:${m}:${s}+08:00`;
}
// https://vite.dev/config/
export default ({ mode }: any) => {
  const env = loadEnv(mode, envDir);
  const buildTime = getChinaTimeISO();
  console.log('current', buildTime)

  let proxy: any = {};
  if (env.VITE_MOCK_ENV) {
    const mockEnv = loadEnv(env.VITE_MOCK_ENV, envDir);
    console.log("mockEnv", mockEnv);

    const getProxy = (prev: string, api: string) => ({
      target: api,
      changeOrigin: true,
      rewrite: (path: any) => path.replace(prev, ""),
    });

    if (env.VITE_MOCK_PROXY) {
      proxy[env.VITE_MOCK_PROXY] = getProxy(
        env.VITE_MOCK_PROXY,
        mockEnv.VITE_MOCK_PROXY
      );
    } else {
      for (const key in env) {
        if (env[key].includes("/") && env[key] !== mockEnv[key]) {
          proxy[env[key]] = getProxy(env[key], mockEnv[key]);
        }
      }
    }

    console.log(proxy);
  }
  const outDir = env.VITE_BUILD_DIR || "";
  return defineConfig({
    envDir: envDir,
    build: {
      outDir: `dist/${outDir}`,
    },
    base: "./",
    resolve: {
      alias: {
        "@/": `${path.resolve(__dirname, "src")}/`,
      },
    },
    css: {
      preprocessorOptions: {
        scss: {
          quietDeps: true,
          additionalData: `
						@forward 'element-plus/theme-chalk/src/common/var' with (
							$colors: (
								'primary': (
									'base': ${env.VITE_PRIMARY},
								),
							),
						);
					`,
        },
      },
    },
    server: {
      port: 9010,
      open: true,
      host: "0.0.0.0",
      proxy: proxy,
    },
    plugins: [
      {
        name: "remove-static-models",
        closeBundle() {
          const dir = path.resolve(
            __dirname,
            "dist",
            outDir || "",
            "static/models"
          );
          console.log("remove dist", dir);
          if (fs.existsSync(dir)) {
            fs.rmSync(dir, { recursive: true, force: true });
            console.log("Removed dist/static/models directory after build.");
          }
        },
      },
      createSvgIconsPlugin({
        iconDirs: [path.resolve(process.cwd(), "public/icons")],
        symbolId: "icon-[dir]-[name]",
      }),
      createHtmlPlugin({
        template: "index.html",
        entry: `/src${env.VITE_ENTRY}`,
        inject: {
          data: {
            title: env.VITE_TITLE,
          },
        },
      }),
      vue(),
    ],
    define: {
      __VERSION__: JSON.stringify(version),
      __BUILD_TIME__: JSON.stringify(buildTime),
    },
  });
};