{
        "type": "module",
        "id": "deepseek-balance",
        "path": "C:/Users/xxxxx/.deepcode/plugins/deepseek-balance.mjs",
        "color": "green",
        "timeoutMs": 10000,
        "maxLength": 20
      },

import * as fs from "fs";
import * as os from "os";
import * as path from "path";

const BALANCE_API = "https://api.deepseek.com/user/balance";
const MIN_INTERVAL_MS = 10000; // 最少间隔 10 秒才真正请求一次

let lastBalance = ""; // 上次成功值，不含格式
let lastText = ""; // 上次显示文本
let lastFetchTime = 0;
let pendingPromise = null; // 正在进行的请求不重复发

function getApiKey() {
  const settingsPath = path.join(os.homedir(), ".deepcode", "settings.json");
  try {
    const raw = fs.readFileSync(settingsPath, "utf8");
    const settings = JSON.parse(raw);
    if (settings.env?.API_KEY) {
      return settings.env.API_KEY;
    }
  } catch {
    // ignore
  }
  return process.env.DEEPCODE_API_KEY || process.env.API_KEY || "";
}

async function doFetch(apiKey) {
  const res = await fetch(BALANCE_API, {
    headers: {
      Authorization: `Bearer ${apiKey}`,
      Accept: "application/json",
    },
    signal: AbortSignal.timeout(8000),
  });
  if (!res.ok) return null;
  const data = await res.json();
  const b = data.balance_infos?.[0];
  if (!b) return null;
  return parseFloat(b.total_balance).toFixed(2);
}

export default async function deepseekBalanceProvider() {
  const apiKey = getApiKey();
  if (!apiKey) return lastText;

  const now = Date.now();

  // 间隔不够且已有上次值 → 直接返回
  if (now - lastFetchTime < MIN_INTERVAL_MS && lastText) {
    return lastText;
  }

  // 有正在进行中的请求 → 复用
  if (pendingPromise) {
    try {
      await pendingPromise;
    } catch {
      // ignore
    }
    return lastText;
  }

  // 真正发请求
  pendingPromise = doFetch(apiKey);
  lastFetchTime = now;

  try {
    const total = await pendingPromise;
    if (total !== null) {
      if (total !== lastBalance) {
        lastBalance = total;
        lastText = `余额: ¥${total}`;
      }
    }
    return lastText;
  } catch {
    return lastText;
  } finally {
    pendingPromise = null;
  }
}