const crypto = require("crypto");

async function dogecloudApi(apiPath, data = {}) {
  const accessKey = process.env.DOGECLOUD_ACCESS_KEY;
  const secretKey = process.env.DOGECLOUD_SECRET_KEY;

  if (!accessKey || !secretKey) {
    console.error("Error: DOGECLOUD_ACCESS_KEY or DOGECLOUD_SECRET_KEY not set.");
    process.exit(1);
  }

  const body = JSON.stringify(data);
  const signStr = apiPath + "\n" + body;
  const sign = crypto.createHmac("sha1", secretKey).update(signStr).digest("hex");
  const authorization = `TOKEN ${accessKey}:${sign}`;

  const res = await fetch(`https://api.dogecloud.com${apiPath}`, {
    method: "POST",
    headers: {
      Authorization: authorization,
      "Content-Type": "application/json",
    },
    body,
  });
  return res.json();
}

async function main() {
  const cdnUrlListStr = process.env.CDN_URL_LIST;
  if (!cdnUrlListStr) {
    console.log("Warning: CDN_URL_LIST not found or empty.");
    return;
  }

  let urlList = cdnUrlListStr
    .replace(/\n/g, ",")
    .split(",")
    .map((u) => u.trim())
    .filter(Boolean);

  if (urlList.length === 0) {
    console.log("No URLs to refresh.");
    return;
  }

  // ★ 多吉云 rtype=path 是「刷新目录」，目录必须以 / 结尾：
  //   https://usj.cc   → 只刷新首页这一个文件（旧行为，不是全站）
  //   https://usj.cc/  → 整站刷新
  // 这里兜底补尾斜杠（只对裸域名生效，不碰带路径的 URL）。
  urlList = urlList.map((u) => {
    const bare = /^https?:\/\/[^/?#]+$/.test(u);
    if (bare) {
      console.log(`[warn] "${u}" 缺少结尾斜杠 —— 补成 "${u}/" 才能全站刷新`);
      return u + "/";
    }
    return u;
  });

  console.log(`Refreshing ${urlList.length} URLs (rtype=path, 目录刷新)...`);
  urlList.forEach((u) => console.log(`  - ${u}`));

  const result = await dogecloudApi("/cdn/refresh/add.json", {
    rtype: "path",
    urls: JSON.stringify(urlList),
  });

  if (result && result.code === 200) {
    console.log(
      `Refresh task submitted. Task ID: ${result.data.task_id}, count: ${result.data.count}`,
    );
  } else {
    console.error(`Failed to submit refresh task. Response: ${JSON.stringify(result)}`);
    process.exit(1);
  }
}

main();