import fetch from "node-fetch";
import fs from "fs";
import path from "path";
import unzipper from "unzipper";

import { pipeline } from "node:stream";
import { promisify } from "node:util";
import { createReadStream, createWriteStream } from "node:fs";

const streamPipeline = promisify(pipeline);

/**
 * 下载并解压离线包
 * @param {string} url 下载地址
 * @param {string} destDir 解压目标目录
 */
async function downloadAndExtract(url, destDir) {
  const zipPath = path.join(destDir, "temp.zip");

  console.log(`开始下载语言包: ${url}`);

  const res = await fetch(url, {
    method: "GET",
    headers: {
      //'X-API-Key':'tgpak_gm2f6ntnor2gy4ztnfuw65twoj2wu2tdovzwwztqoe4ts5q'
    },
  });

  if (!res.ok) {
    throw new Error(`下载语言包失败: ${res.status} ${res.statusText}`);
  }

  // zip文件保存到本地目录
  await streamPipeline(res.body, createWriteStream(zipPath));

  console.log("语言包下载完成，开始解压...");

  // 解压到指定目录
  await streamPipeline(
    createReadStream(zipPath),
    unzipper.Extract({ path: destDir })
  );

  console.log("语言包解压完成！");

  // 删除临时压缩包
  fs.unlinkSync(zipPath);
}

// 示例调用
const url =
  "http://192.168.0.211:9012/v2/projects/export?ak=tgpak_gqyv6y3ngbrtg2dtg5xw65llnazxim3bgnxwwodvmizhcny";
const dest = "./src/lang/locales";

await downloadAndExtract(url, dest);