// PikPak Deno API Client and Server - Combined File
// This file contains:
// 1. Type definitions
// 2. Exception classes
// 3. Utility functions
// 4. PikPakApi class implementation
// 5. Server implementation with Oak
// fuck

// 导入原始机器人代码
import "./tgbot.ts";

import { Application, Router, Context, Status } from "https://deno.land/x/oak/mod.ts";
import { oakCors } from "https://deno.land/x/cors/mod.ts";
import { delay } from "https://deno.land/std/async/mod.ts";
// import { createHash } from "https://deno.land/std/hash/mod.ts";
const { createHash } = await import('node:crypto');

// ===============================================================
// 1. Type definitions (originally types.ts)
// ===============================================================


// 在类外部添加这些变量
  let isRefreshing = false;
  let lastRefreshTime = 0;
  
export enum DownloadStatus {
  NOT_DOWNLOADING = "not_downloading",
  DOWNLOADING = "downloading",
  DONE = "done",
  ERROR = "error",
  NOT_FOUND = "not_found"
}

export interface UserInfo {
  username?: string;
  user_id?: string;
  access_token?: string;
  refresh_token?: string;
  encoded_token?: string;
}

export interface FileInfo {
  id: string;
  name: string;
  file_type: string;
}

export interface TokenRefreshCallbackFn {
  (client: any, ...args: any[]): Promise<void>;
}

export interface HttpxClientArgs {
  timeout?: number;
  [key: string]: any;
}

export interface FilterOptions {
  [key: string]: any;
}

export interface FileListResponse {
  files: any[];
  next_page_token?: string;
  [key: string]: any;
}

export interface OfflineListResponse {
  tasks: any[];
  next_page_token?: string;
  [key: string]: any;
}

export interface FileRequest {
  size: number;
  parent_id?: string | null;
  next_page_token?: string | null;
  additional_filters?: Record<string, any> | null;
}

export interface OfflineRequest {
  file_url: string;
  parent_id?: string | null;
  name?: string | null;
}

// ===============================================================
// 2. Exception classes (originally exceptions.ts)
// ===============================================================

export class PikpakException extends Error {
  constructor(message: string) {
    super(message);
    this.name = "PikpakException";
  }
}

export class PikpakRetryException extends PikpakException {
  constructor(message: string) {
    super(message);
    this.name = "PikpakRetryException";
  }
}

// ===============================================================
// 3. Utility functions (originally utils.ts)
// ===============================================================

export const CLIENT_ID = "ZQL_zwA4qhHcoe_2";
export const CLIENT_SECRET = "Og9Vr1L8Ee6bh0olFxFDRg";
export const CLIENT_VERSION = "1.06.0.2132";
export const PACKAG_ENAME = "com.thunder.downloader";
export const SDK_VERSION = "2.0.3.203100 ";
export const APP_NAME = PACKAG_ENAME;

/**
 * Get current timestamp in milliseconds
 */
// export function getTimestamp(): number {
//   return Date.now();
// }
export function getTimestamp(): string {
  // 确保返回毫秒级时间戳，并且是字符串格式
  return Math.floor(Date.now()).toString();
}

/**
 * Generate a random device ID
 */
export function deviceIdGenerator(): string {
  return crypto.randomUUID().replace(/-/g, "");
}

const SALTS = [
  "kVy0WbPhiE4v6oxXZ88DvoA3Q",
  "lON/AUoZKj8/nBtcE85mVbkOaVdVa",
  "rLGffQrfBKH0BgwQ33yZofvO3Or",
  "FO6HWqw",
  "GbgvyA2",
  "L1NU9QvIQIH7DTRt",
  "y7llk4Y8WfYflt6",
  "iuDp1WPbV3HRZudZtoXChxH4HNVBX5ZALe",
  "8C28RTXmVcco0",
  "X5Xh",
  "7xe25YUgfGgD0xW3ezFS",
  "",
  "CKCR",
  "8EmDjBo6h3eLaK7U6vU2Qys0NsMx",
  "t2TeZBXKqbdP09Arh9C3",
];

/**
 * Generate a captcha sign
 */
// export function captchaSign(deviceId: string, timestamp: string): string {
//   let sign = CLIENT_ID + CLIENT_VERSION + PACKAG_ENAME + deviceId + timestamp;
  
//   for (const salt of SALTS) {
//     const encoder = new TextEncoder();
//     const data = encoder.encode(sign + salt);
//     sign = createHash("md5").update(data).toString();
//   }
  
//   return `1.${sign}`;
// }

export function captchaSign(deviceId: string, timestamp: string): string {
  let sign = CLIENT_ID + CLIENT_VERSION + PACKAG_ENAME + deviceId + timestamp;
  
  for (const salt of SALTS) {
    // 在 Node.js 兼容模式下使用 createHash
    const md5Hash = createHash('md5');
    md5Hash.update(sign + salt);
    sign = md5Hash.digest('hex');
  }
  
  return `1.${sign}`;
}

/**
 * Generate device sign
 */
export function generateDeviceSign(deviceId: string, packageName: string): string {
  const signatureBase = `${deviceId}${packageName}1appkey`;
  
  // Calculate SHA-1 hash
  const encoder = new TextEncoder();
  const sha1Result = createHash("sha1").update(encoder.encode(signatureBase)).toString();
  
  // Calculate MD5 hash
  const md5Result = createHash("md5").update(encoder.encode(sha1Result)).toString();
  
  return `div101.${deviceId}${md5Result}`;
}

/**
 * Build a custom user agent string
 */
export function buildCustomUserAgent(deviceId: string, userId: string): string {
  const deviceSign = generateDeviceSign(deviceId, PACKAG_ENAME);

  const userAgentParts = [
    `ANDROID-${APP_NAME}/${CLIENT_VERSION}`,
    "protocolVersion/200",
    "accesstype/",
    `clientid/${CLIENT_ID}`,
    `clientversion/${CLIENT_VERSION}`,
    "action_type/",
    "networktype/WIFI",
    "sessionid/",
    `deviceid/${deviceId}`,
    "providername/NONE",
    `devicesign/${deviceSign}`,
    "refresh_token/",
    `sdkversion/${SDK_VERSION}`,
    `datetime/${getTimestamp()}`,
    `usrno/${userId}`,
    `appname/${APP_NAME}`,
    "session_origin/",
    "grant_type/",
    "appid/",
    "clientip/",
    "devicename/Xiaomi_M2004j7ac",
    "osversion/13",
    "platformversion/10",
    "accessmode/",
    "devicemodel/M2004J7AC"
  ];

  return userAgentParts.join(" ");
}

/**
 * Base64 encoding and decoding functions
 */
export function b64encode(str: string): string {
  return btoa(str);
}

export function b64decode(str: string): string {
  return atob(str);
}

// ===============================================================
// 4. PikPakApi class implementation (originally pikpak_api.ts)
// ===============================================================

export class PikPakApi {
  /**
   * PikPakApi class
   * 
   * Attributes similar to the Python version
   */
  static readonly PIKPAK_API_HOST = "api-pan.xunleix.com";
  static readonly PIKPAK_USER_HOST = "xluser-ssl.xunleix.com";

  // User credentials and tokens
  username?: string;
  password?: string;
  encoded_token?: string;
  access_token?: string;
  refresh_token?: string;
  user_id?: string;
  
  // Request configuration
  max_retries: number;
  initial_backoff: number;
  device_id: string;
  captcha_token?: string;
  data_response?: any;
  user_agent?: string;
  
  // Callback for token refresh
  token_refresh_callback?: TokenRefreshCallbackFn;
  token_refresh_callback_kwargs: Record<string, any>;
  
  // Path-to-ID cache
  private _path_id_cache: Record<string, any> = {};

  constructor(
    options: {
      username?: string;
      password?: string;
      encoded_token?: string;
      httpx_client_args?: HttpxClientArgs;
      device_id?: string;
      request_max_retries?: number;
      request_initial_backoff?: number;
      token_refresh_callback?: TokenRefreshCallbackFn;
      token_refresh_callback_kwargs?: Record<string, any>;
    } = {}
  ) {
    this.username = options.username;
    this.password = options.password;
    this.encoded_token = options.encoded_token;
    this.max_retries = options.request_max_retries || 3;
    this.initial_backoff = options.request_initial_backoff || 3.0;
    this.token_refresh_callback = options.token_refresh_callback;
    this.token_refresh_callback_kwargs = options.token_refresh_callback_kwargs || {};

    // Generate device_id if not provided
    this.device_id = options.device_id || this.generateDeviceId();

    if (this.encoded_token) {
      this.decodeToken();
    } else if (this.username && this.password) {
      // Login will be done later
    } else {
      throw new PikpakException("username and password or encoded_token is required");
    }
  }

  /**
   * Generate device ID based on username and password
   */
  private generateDeviceId(): string {
    const idBase = `${this.username || ""}${this.password || ""}`;
    return createHash("md5").update(new TextEncoder().encode(idBase)).toString();
  }

  /**
   * Create PikPakApi object from a dictionary/object
   */
  // static fromDict(data: Record<string, any>): PikPakApi {
  //   const client = new PikPakApi();
    
  //   // Copy all properties from data to client
  //   for (const [key, value] of Object.entries(data)) {
  //     if (typeof value !== 'function') {
  //       (client as any)[key] = value;
  //     }
  //   }
    
  //   return client;
  // }

  static fromDict(data: Record<string, any>): PikPakApi {
  // 创建一个临时客户端，绕过构造函数验证
  const client = new PikPakApi({
    encoded_token: "temporary" // 临时值，稍后会被覆盖
  });
  
  // 从数据中复制所有属性
  for (const [key, value] of Object.entries(data)) {
    if (typeof value !== 'function') {
      (client as any)[key] = value;
    }
  }
  
  // 手动解码令牌
  if (client.encoded_token && client.encoded_token !== "temporary") {
    try {
      client.decodeToken();
    } catch (error) {
      console.log("Warning: Failed to decode token");
    }
  }
  
  return client;
}

  /**
   * Returns the PikPakApi object as a dictionary/object
   */
  toDict(): Record<string, any> {
    const data: Record<string, any> = {};
    
    // Copy all properties that can be serialized
    for (const [key, value] of Object.entries(this)) {
      if (
        typeof value === 'string' || 
        typeof value === 'number' || 
        typeof value === 'boolean' || 
        Array.isArray(value) || 
        (typeof value === 'object' && value !== null) ||
        value === null || 
        value === undefined
      ) {
        if (typeof value !== 'function') {
          data[key] = value;
        }
      }
    }
    
    return data;
  }

  /**
   * Build custom user agent
   */
  buildCustomUserAgent(): string {
    this.user_agent = buildCustomUserAgent(
      this.device_id,
      this.user_id || ""
    );
    return this.user_agent;
  }

  /**
   * Get headers for API requests
   */
  getHeaders(access_token?: string): Record<string, string> {
    const headers: Record<string, string> = {
      "User-Agent": this.captcha_token
        ? this.buildCustomUserAgent()
        : "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36",
      "Content-Type": "application/json; charset=utf-8"
    };

    if (this.access_token) {
      headers["Authorization"] = `Bearer ${this.access_token}`;
    }
    if (access_token) {
      headers["Authorization"] = `Bearer ${access_token}`;
    }
    if (this.captcha_token) {
      headers["X-Captcha-Token"] = this.captcha_token;
    }
    if (this.device_id) {
      headers["X-Device-Id"] = this.device_id;
    }
    
    return headers;
  }

  /**
   * Make an HTTP request with retry logic
   */
  private async _makeRequest(
    method: string,
    url: string,
    data?: Record<string, any>,
    params?: Record<string, any>,
    headers?: Record<string, string>
  ): Promise<any> {
    let lastError: Error | null = null;

    for (let attempt = 0; attempt < this.max_retries; attempt++) {
      try {
        const response = await this._sendRequest(method, url, data, params, headers);
        return await this._handleResponse(response);
      } catch (error) {
        if (error instanceof PikpakRetryException) {
          console.info(`Retry attempt ${attempt + 1}/${this.max_retries}`);
          lastError = error;
        } else if (error instanceof PikpakException) {
          throw error;
        } else {
          console.error(`Unexpected error on attempt ${attempt + 1}/${this.max_retries}: ${String(error)}`);
          lastError = error instanceof Error ? error : new Error(String(error));
        }
      }

      await delay(this.initial_backoff * Math.pow(2, attempt) * 1000);
    }

    // If we've exhausted all retries, raise an exception with the last error
    throw new PikpakException(`Max retries reached. Last error: ${lastError?.message || "Unknown error"}`);
  }

  /**
   * Send an HTTP request
   */
  private async _sendRequest(
    method: string,
    url: string,
    data?: Record<string, any>,
    params?: Record<string, any>,
    headers?: Record<string, string>
  ): Promise<Response> {
    const reqHeaders = headers || this.getHeaders();
    
    const options: RequestInit = {
      method,
      headers: reqHeaders,
    };

    // Add request body if data is provided
    if (data && ['POST', 'PUT', 'PATCH'].includes(method.toUpperCase())) {
      options.body = JSON.stringify(data);
    }

    // Add URL parameters if provided
    if (params) {
      const queryParams = new URLSearchParams();
      for (const [key, value] of Object.entries(params)) {
        if (value !== undefined && value !== null) {
          if (typeof value === 'object') {
            queryParams.set(key, JSON.stringify(value));
          } else {
            queryParams.set(key, String(value));
          }
        }
      }
      const queryString = queryParams.toString();
      if (queryString) {
        url = `${url}${url.includes('?') ? '&' : '?'}${queryString}`;
      }
    }

    return await fetch(url, options);
  }

  /**
   * Handle HTTP response
   */
  

  private async _handleResponse(response: Response): Promise<any> {
    // Check if response is empty or not JSON
    let jsonData: any;
    try {
      jsonData = await response.json();
    } catch (error) {
      if (response.status === 200) {
        return {};
      }
      throw new PikpakRetryException("Empty JSON data");
    }

    this.data_response = jsonData;

    if (!jsonData) {
      if (response.status === 200) {
        return {};
      }
      throw new PikpakRetryException("Empty JSON data");
    }

    if (!("error" in jsonData)) {
      return jsonData;
    }

    if ("captcha_token" in jsonData) {
      this.captcha_token = jsonData.captcha_token;
    }

    if (jsonData.error === "invalid_account_or_password") {
      throw new PikpakException("Invalid username or password");
    }

    // if (jsonData.error_code === 16) {
    //   await this.refreshAccessToken();
    //   throw new PikpakRetryException("Token refreshed, please retry");
    // }
    if (jsonData.error_code === 16) {
      const now = Date.now();
      // 防止30秒内多次刷新
      if (isRefreshing && now - lastRefreshTime < 30000) {
        console.log("Token refresh already in progress, waiting...");
        // 等待一小段时间后重试
        await delay(2000);
        throw new PikpakRetryException("Token refresh in progress, please retry");
      }
      
      isRefreshing = true;
      try {
        console.log("Refreshing access token on demand...");
        await this.refreshAccessToken();
        lastRefreshTime = Date.now();
        console.log("Token refreshed successfully");
      } catch (refreshError) {
        console.error("Failed to refresh token:", refreshError);
        try {
          console.log("Attempting to re-login...");
          await this.login();
          console.log("Re-login successful");
        } catch (loginError) {
          console.error("Re-login failed:", loginError);
          throw new PikpakException("Authentication failed, unable to refresh token or login");
        }
      } finally {
        isRefreshing = false;
      }
      throw new PikpakRetryException("Token refreshed, please retry");
    }

    throw new PikpakException(jsonData.error_description || "Unknown Error");
  }

  /**
   * HTTP GET request
   */
  private async _requestGet(url: string, params?: Record<string, any>): Promise<any> {
    return await this._makeRequest("GET", url, undefined, params);
  }

  /**
   * HTTP POST request
   */
  private async _requestPost(url: string, data?: Record<string, any>, headers?: Record<string, string>): Promise<any> {
    return await this._makeRequest("POST", url, data, undefined, headers);
  }

  /**
   * HTTP PATCH request
   */
  private async _requestPatch(url: string, data?: Record<string, any>): Promise<any> {
    return await this._makeRequest("PATCH", url, data);
  }

  /**
   * HTTP DELETE request
   */
  private async _requestDelete(url: string, params?: Record<string, any>, data?: Record<string, any>): Promise<any> {
    return await this._makeRequest("DELETE", url, data, params);
  }

  /**
   * Decode encoded token
   */
  decodeToken(): void {
    try {
      const decodedData = JSON.parse(b64decode(this.encoded_token || ""));
      
      if (!decodedData.access_token || !decodedData.refresh_token) {
        throw new PikpakException("Invalid encoded token");
      }
      
      this.access_token = decodedData.access_token;
      this.refresh_token = decodedData.refresh_token;
    } catch (error) {
      throw new PikpakException("Invalid encoded token");
    }
  }

  /**
   * Encode access and refresh tokens
   */
  encodeToken(): void {
    const tokenData = {
      access_token: this.access_token,
      refresh_token: this.refresh_token
    };
    
    this.encoded_token = b64encode(JSON.stringify(tokenData));
  }

  /**
   * Initialize captcha
   */
  async captchaInit(action: string, meta?: Record<string, any>): Promise<any> {
    const url = `https://${PikPakApi.PIKPAK_USER_HOST}/v1/shield/captcha/init`;
    
    if (!meta) {
      const t = `${getTimestamp()}`;
      meta = {
        captcha_sign: captchaSign(this.device_id, t),
        client_version: CLIENT_VERSION,
        package_name: PACKAG_ENAME,
        user_id: this.user_id || "",
        timestamp: t
      };
    }
    
    const params = {
      client_id: CLIENT_ID,
      action: action,
      device_id: this.device_id,
      meta: meta
    };
    
    return await this._requestPost(url, params);
  }

  /**
   * Login to PikPak
   */
  async login(): Promise<void> {
    const loginUrl = `https://${PikPakApi.PIKPAK_USER_HOST}/v1/auth/signin`;
    const metas: Record<string, string> = {};
    
    if (!this.username || !this.password) {
      throw new PikpakException("username and password are required");
    }
    
    // Determine login method based on username format
    if (/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/.test(this.username)) {
      metas.email = this.username;
    } else if (/\d{11,18}/.test(this.username)) {
      metas.phone_number = this.username;
    } else {
      metas.username = this.username;
    }
    
    const result = await this.captchaInit(`POST:${loginUrl}`, metas);
    const captchaToken = result.captcha_token || "";
    
    if (!captchaToken) {
      throw new PikpakException("captcha_token get failed");
    }

    // Prepare login data
    const loginData = new URLSearchParams();
    loginData.append("client_id", CLIENT_ID);
    loginData.append("client_secret", CLIENT_SECRET);
    loginData.append("password", this.password);
    loginData.append("username", this.username);
    loginData.append("captcha_token", captchaToken);
    
    // Custom headers for form data
    const headers = {
      "Content-Type": "application/x-www-form-urlencoded",
    };
    
    // Send login request with form data
    const response = await fetch(loginUrl, {
      method: "POST",
      headers: headers,
      body: loginData
    });
    
    const userInfo = await response.json();
    
    if (userInfo.error) {
      throw new PikpakException(userInfo.error_description || "Login failed");
    }
    
    this.access_token = userInfo.access_token;
    this.refresh_token = userInfo.refresh_token;
    this.user_id = userInfo.sub;
    this.encodeToken();
  }

  /**
   * Refresh access token
   */
  async refreshAccessToken(): Promise<void> {
    const refreshUrl = `https://${PikPakApi.PIKPAK_USER_HOST}/v1/auth/token`;
    
    const refreshData = {
      client_id: CLIENT_ID,
      refresh_token: this.refresh_token,
      grant_type: "refresh_token"
    };
    
    const userInfo = await this._requestPost(refreshUrl, refreshData);
    
    this.access_token = userInfo.access_token;
    this.refresh_token = userInfo.refresh_token;
    this.user_id = userInfo.sub;
    this.encodeToken();
    
    if (this.token_refresh_callback) {
      await this.token_refresh_callback(this, ...Object.values(this.token_refresh_callback_kwargs));
    }
  }

  /**
   * Get user info
   */
  getUserInfo(): UserInfo {
    return {
      username: this.username,
      user_id: this.user_id,
      access_token: this.access_token,
      refresh_token: this.refresh_token,
      encoded_token: this.encoded_token
    };
  }

  /**
   * Create a folder
   */
  async createFolder(name: string = "新建文件夹", parent_id?: string): Promise<any> {
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files`;
    
    const data = {
      kind: "drive#folder",
      name: name,
      parent_id: parent_id
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestPost(url, data);
    
    return result;
  }

  /**
   * Move files/folders to trash
   */
  async deleteToTrash(ids: string[]): Promise<any> {
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files:batchTrash`;
    
    const data = {
      ids: ids
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files:batchTrash");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestPost(url, data);
    
    return result;
  }

  /**
   * Restore files/folders from trash
   */
  async untrash(ids: string[]): Promise<any> {
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files:batchUntrash`;
    
    const data = {
      ids: ids
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files:batchUntrash");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestPost(url, data);
    
    return result;
  }

  /**
   * Empty trash
   */
  async emptytrash(): Promise<any> {
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files/trash:empty`;
    
    const data = {};
    
    const captchaResult = await this.captchaInit("PATCH:/drive/v1/files/trash:empty");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestPatch(url, data);
    
    return result;
  }

  /**
   * Permanently delete files/folders
   */
  async deleteForever(ids: string[]): Promise<any> {
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files:batchDelete`;
    
    const data = {
      ids: ids
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files:batchDelete");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestPost(url, data);
    
    return result;
  }

  /**
   * Offline download
   */
  async offlineDownload(file_url: string, parent_id?: string, name?: string): Promise<any> {
    const downloadUrl = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files`;
    
    const downloadData = {
      kind: "drive#file",
      name: name,
      upload_type: "UPLOAD_TYPE_URL",
      url: {
        url: file_url,
        parent_id: parent_id
      },
      parent_id: parent_id
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestPost(downloadUrl, downloadData);
    
    return result;
  }

  /**
   * Get offline download list
   */
  async offlineList(
    size: number = 10000,
    next_page_token?: string,
    phase?: string[]
  ): Promise<any> {
    if (!phase) {
      phase = ["PHASE_TYPE_RUNNING", "PHASE_TYPE_ERROR"];
    }
    
    const listUrl = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/tasks`;
    
    const listData = {
      type: "offline",
      thumbnail_size: "SIZE_SMALL",
      limit: size,
      page_token: next_page_token,
      filters: JSON.stringify({ phase: { in: phase.join(",") } }),
      with: "reference_resource"
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/tasks");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestGet(listUrl, listData);
    
    return result;
  }

  /**
   * Get offline file info
   */
  async offlineFileInfo(file_id: string): Promise<any> {
    const captchaResult = await this.captchaInit(`GET:/drive/v1/files/${file_id}`);
    this.captcha_token = captchaResult.captcha_token;
    
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files/${file_id}`;
    const result = await this._requestGet(url, { thumbnail_size: "SIZE_LARGE" });
    
    return result;
  }

  /**
   * Get file list
   */
  async fileList(
    size: number = 100,
    parent_id?: string,
    next_page_token?: string,
    additional_filters?: Record<string, any>
  ): Promise<any> {
    const defaultFilters: Record<string, any> = {
      trashed: { eq: false },
      phase: { eq: "PHASE_TYPE_COMPLETE" }
    };
    
    if (additional_filters) {
      Object.assign(defaultFilters, additional_filters);
    }
    
    const listUrl = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files`;
    
    const listData = {
      parent_id: parent_id,
      thumbnail_size: "SIZE_MEDIUM",
      limit: size,
      with_audit: "true",
      page_token: next_page_token,
      filters: JSON.stringify(defaultFilters)
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestGet(listUrl, listData);
    
    return result;
  }

  /**
   * Get events list
   */
  async events(size: number = 100, next_page_token?: string): Promise<any> {
    const listUrl = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/events`;
    
    const listData = {
      thumbnail_size: "SIZE_MEDIUM",
      limit: size,
      next_page_token: next_page_token
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files");
    this.captcha_token = captchaResult.captcha_token;
    const result = await this._requestGet(listUrl, listData);
    
    return result;
  }

  /**
   * Retry offline download task
   */
  async offlineTaskRetry(task_id: string): Promise<any> {
    const listUrl = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/task`;
    
    const listData = {
      type: "offline",
      create_type: "RETRY",
      id: task_id
    };
    
    try {
      const captchaResult = await this.captchaInit("GET:/drive/v1/task");
      this.captcha_token = captchaResult.captcha_token;
      const result = await this._requestPost(listUrl, listData);
      return result;
    } catch (error) {
      throw new PikpakException(`Failed to retry offline task: ${task_id}. ${error}`);
    }
  }

  /**
   * Delete tasks
   */
  async deleteTasks(task_ids: string[], delete_files: boolean = false): Promise<void> {
    const deleteUrl = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/tasks`;
    
    const params = {
      task_ids: task_ids,
      delete_files: delete_files
    };
    
    try {
      const captchaResult = await this.captchaInit("GET:/drive/v1/tasks");
      this.captcha_token = captchaResult.captcha_token;
      await this._requestDelete(deleteUrl, params);
    } catch (error) {
      throw new PikpakException(`Failing to delete tasks: ${task_ids}. ${error}`);
    }
  }

  /**
   * Get task status
   */
  async getTaskStatus(task_id: string, file_id: string): Promise<DownloadStatus> {
    try {
      const infos = await this.offlineList();
      if (infos && infos.tasks) {
        for (const task of infos.tasks) {
          if (task_id === task.id) {
            return DownloadStatus.DOWNLOADING;
          }
        }
      }
      
      const fileInfo = await this.offlineFileInfo(file_id);
      if (fileInfo) {
        return DownloadStatus.DONE;
      } else {
        return DownloadStatus.NOT_FOUND;
      }
    } catch (error) {
      return DownloadStatus.ERROR;
    }
  }

  /**
   * Convert path to ID
   */
  async pathToId(path: string, create: boolean = false): Promise<FileInfo[]> {
    if (!path || path.length <= 0) {
      return [];
    }
    
    const paths = path.split('/').filter(p => p.trim().length > 0);
    
    // Construct multi-level paths for cache lookup
    const multiLevelPaths = [];
    for (let i = 0; i < paths.length; i++) {
      multiLevelPaths.push('/' + paths.slice(0, i + 1).join('/'));
    }
    
    // Check cache hits
    const pathIds: FileInfo[] = [];
    for (const p of multiLevelPaths) {
      if (this._path_id_cache[p]) {
        pathIds.push(this._path_id_cache[p]);
      } else {
        break;
      }
    }
    
    // Determine how much of the path we've already found
    let count = pathIds.length;
    let parentId = count > 0 ? pathIds[count - 1].id : null;
    
    // Find or create the remaining path components
    let nextPageToken: string | null = null;
    
    while (count < paths.length) {
      const data = await this.fileList(100, parentId, nextPageToken);
      
      let recordOfTargetPath = null;
      
      for (const f of data.files || []) {
        const currentPath = '/' + [...paths.slice(0, count), f.name].join('/');
        const fileType = f.kind.includes('folder') ? 'folder' : 'file';
        
        const record: FileInfo = {
          id: f.id,
          name: f.name,
          file_type: fileType
        };
        
        this._path_id_cache[currentPath] = record;
        
        if (f.name === paths[count]) {
          recordOfTargetPath = record;
        }
      }
      
      if (recordOfTargetPath) {
        pathIds.push(recordOfTargetPath);
        count++;
        parentId = recordOfTargetPath.id;
      } else if (data.next_page_token && (!nextPageToken || nextPageToken !== data.next_page_token)) {
        nextPageToken = data.next_page_token;
      } else if (create) {
        const createdData = await this.createFolder(paths[count], parentId);
        const fileId = createdData.file.id;
        
        const record: FileInfo = {
          id: fileId,
          name: paths[count],
          file_type: 'folder'
        };
        
        pathIds.push(record);
        
        const currentPath = '/' + paths.slice(0, count + 1).join('/');
        this._path_id_cache[currentPath] = record;
        
        count++;
        parentId = fileId;
      } else {
        break;
      }
    }
    
    return pathIds;
  }

  /**
   * Batch move files
   */
  async fileBatchMove(ids: string[], to_parent_id?: string): Promise<any> {
    const to = to_parent_id ? { parent_id: to_parent_id } : {};
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files:batchMove");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestPost(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files:batchMove`,
      {
        ids: ids,
        to: to
      }
    );
    
    return result;
  }

  /**
   * Batch copy files
   */
  async fileBatchCopy(ids: string[], to_parent_id?: string): Promise<any> {
    const to = to_parent_id ? { parent_id: to_parent_id } : {};
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files:batchCopy");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestPost(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files:batchCopy`,
      {
        ids: ids,
        to: to
      }
    );
    
    return result;
  }

  /**
   * Move or copy files by path
   */
  async fileMoveOrCopyByPath(
    from_path: string[],
    to_path: string,
    move: boolean = false,
    create: boolean = false
  ): Promise<any> {
    const fromIds: string[] = [];
    
    for (const path of from_path) {
      const pathIds = await this.pathToId(path);
      if (pathIds.length > 0) {
        const fileId = pathIds[pathIds.length - 1].id;
        if (fileId) {
          fromIds.push(fileId);
        }
      }
    }
    
    if (fromIds.length === 0) {
      throw new PikpakException("Files to move do not exist");
    }
    
    const toPathIds = await this.pathToId(to_path, create);
    const toParentId = toPathIds.length > 0 ? toPathIds[toPathIds.length - 1].id : undefined;
    
    let result;
    if (move) {
      result = await this.fileBatchMove(fromIds, toParentId);
    } else {
      result = await this.fileBatchCopy(fromIds, toParentId);
    }
    
    return result;
  }

  /**
   * Get download URL
   */
  async getDownloadUrl(file_id: string): Promise<any> {
    const result = await this.captchaInit(`GET:/drive/v1/files/${file_id}`);
    this.captcha_token = result.captcha_token;
    
    const fileResult = await this._requestGet(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files/${file_id}?`
    );
    
    this.captcha_token = null;
    return fileResult;
  }

  /**
   * Rename file
   */
  async fileRename(id: string, new_file_name: string): Promise<any> {
    const data = {
      name: new_file_name
    };
    
    const captchaResult = await this.captchaInit(`GET:/drive/v1/files/${id}`);
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestPatch(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files/${id}`,
      data
    );
    
    return result;
  }

  /**
   * Batch star files
   */
  async fileBatchStar(ids: string[]): Promise<any> {
    const data = {
      ids: ids
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files/star");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestPost(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files:star`,
      data
    );
    
    return result;
  }

  /**
   * Batch unstar files
   */
  async fileBatchUnstar(ids: string[]): Promise<any> {
    const data = {
      ids: ids
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/files/unstar");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestPost(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/files:unstar`,
      data
    );
    
    return result;
  }

  /**
   * Get starred file list
   */
  async fileStarList(size: number = 100, next_page_token?: string): Promise<any> {
    const additionalFilters = { 
      system_tag: { in: "STAR" } 
    };
    
    const result = await this.fileList(
      size,
      "*",
      next_page_token,
      additionalFilters
    );
    
    return result;
  }

  /**
   * Batch share files
   */
  // async fileBatchShare(
  //   ids: string[],
  //   need_password: boolean = false,
  //   expiration_days: number = -1
  // ): Promise<any> {
  //   const data = {
  //     file_ids: ids,
  //     share_to: need_password ? "encryptedlink" : "publiclink",
  //     expiration_days: expiration_days,
  //     pass_code_option: need_password ? "REQUIRED" : "NOT_REQUIRED"
  //   };
    
  //   const captchaResult = await this.captchaInit("GET:/drive/v1/share");
  //   this.captcha_token = captchaResult.captcha_token;
    
  //   const result = await this._requestPost(
  //     `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/share`,
  //     data
  //   );
    
  //   return result;
  // }

  async fileBatchShare(
  ids: string[],
  need_password: boolean = false,
  expiration_days: number = -1
): Promise<any> {
  const data = {
    file_ids: ids,
    share_to: "copy",                   // 修改为"copy"
    restore_limit: "-1",                // 添加这个参数
    expiration_days: expiration_days,
    pass_code_option: need_password ? "REQUIRED" : "NOT_REQUIRED"
  };
  
  const captchaResult = await this.captchaInit("POST:/drive/v1/share");
  this.captcha_token = captchaResult.captcha_token;
  
  const result = await this._requestPost(
    `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/share`,
    data
  );
  
  return result;
}

  /**
   * Get quota info
   */
  async getQuotaInfo(): Promise<any> {
    const result = await this._requestGet(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/about`
    );
    
    return result;
  }

  /**
   * Get invite code
   */
  async getInviteCode(): Promise<string> {
    const captchaResult = await this.captchaInit("GET:/vip/v1/activity/inviteCode");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestGet(
      `https://${PikPakApi.PIKPAK_API_HOST}/vip/v1/activity/inviteCode`
    );
    
    return result.code;
  }

  /**
   * Get VIP info
   */
  async vipInfo(): Promise<any> {
    const captchaResult = await this.captchaInit("GET:/drive/v1/privilege/vip");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestGet(
      `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/privilege/vip`
    );
    
    return result;
  }

  /**
   * Get transfer quota
   */
  async getTransferQuota(): Promise<any> {
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/vip/v1/quantity/list?type=transfer`;
    
    const captchaResult = await this.captchaInit("GET:/vip/v1/quantity/list?type=transfer");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestGet(url);
    
    return result;
  }

  /**
   * Get share folder
   */
  async getShareFolder(share_id: string, pass_code_token: string, parent_id?: string): Promise<any> {
    const data = {
      limit: "100",
      thumbnail_size: "SIZE_LARGE",
      order: "6",
      share_id: share_id,
      parent_id: parent_id,
      pass_code_token: pass_code_token
    };
    
    
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/share/detail`;
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/share/detail");
    this.captcha_token = captchaResult.captcha_token;
    
    return await this._requestGet(url, data);
  }

  /**
   * Get share info
   */
  async getShareInfo(share_link: string, pass_code?: string): Promise<any> {
    const match = share_link.match(/\/s\/([^/]+)(?:.*\/([^/]+))?$/);
    
    if (!match) {
      throw new Error("Share Link Is Not Right");
    }
    
    const share_id = match[1];
    const parent_id = match[2] || null;
    
    const data = {
      limit: "100",
      thumbnail_size: "SIZE_LARGE",
      order: "3",
      share_id: share_id,
      parent_id: parent_id,
      pass_code: pass_code
    };
    
    const url = `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/share`;
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/share");
    this.captcha_token = captchaResult.captcha_token;
    
    return await this._requestGet(url, data);
  }

  /**
   * Restore shared files
   */
  // async restore(share_id: string, pass_code_token: string, file_ids: string[]): Promise<any> {
  //   const data = {
  //     share_id: share_id,
  //     pass_code_token: pass_code_token,
  //     file_ids: file_ids
  //   };
    
  //   const captchaResult = await this.captchaInit("GET:/drive/v1/share/restore");
  //   this.captcha_token = captchaResult.captcha_token;
    
  //   const result = await this._requestPost(
  //     `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/share/restore`, 
  //     data
  //   );
    
  //   return result;
  // }
  async restore(share_id: string, pass_code_token: string, file_ids: string[]): Promise<any> {
    const data = {
        share_id: share_id,
        pass_code_token: pass_code_token,
        file_ids: file_ids,
        folder_type: "NORMAL",  // 添加此字段
        specify_parent_id: true,  // 添加此字段
        parent_id: ""  // 添加此字段
    };
    
    const captchaResult = await this.captchaInit("GET:/drive/v1/share/restore");
    this.captcha_token = captchaResult.captcha_token;
    
    const result = await this._requestPost(
        `https://${PikPakApi.PIKPAK_API_HOST}/drive/v1/share/restore`,
        data
    );
    
    return result;
  }
}



// ===============================================================
// 5. Server implementation with Oak (originally main.ts)
// ===============================================================

// Environment variables handling
  // 将服务器代码包装在一个函数中


const SECRET_TOKEN = Deno.env.get("SECRET_TOKEN");
if (!SECRET_TOKEN) {
  throw new Error("Please set SECRET_TOKEN environment variable for security!");
}

const THUNDERX_USERNAME = Deno.env.get("THUNDERX_USERNAME");
if (!THUNDERX_USERNAME) {
  throw new Error("Please set THUNDERX_USERNAME environment variable for login!");
}

const THUNDERX_PASSWORD = Deno.env.get("THUNDERX_PASSWORD");
if (!THUNDERX_PASSWORD) {
  throw new Error("Please set THUNDERX_PASSWORD environment variable for login!");
}

const PROXY_URL = Deno.env.get("PROXY_URL");

// Global client instance
let THUNDERX_CLIENT: PikPakApi | null = null;

// Token logger function
// async function logToken(client: PikPakApi, extraData: any): Promise<void> {
//   console.log(`Token: ${client.encoded_token}, Extra Data: ${JSON.stringify(extraData)}`);
// }

async function logToken(client: PikPakApi, extraData: any): Promise<void> {
  console.log(`Token: ${client.encoded_token}, Extra Data: ${JSON.stringify(extraData)}`);
}

// Create application
const app = new Application();

// Add CORS middleware
app.use(oakCors({ origin: "*", optionsSuccessStatus: 200 }));

// Middleware for token verification
async function verifyToken(ctx: Context, next: () => Promise<unknown>): Promise<void> {
  const authHeader = ctx.request.headers.get("Authorization");
  
  if (!authHeader) {
    ctx.response.status = Status.Unauthorized;
    ctx.response.body = { detail: "Authorization header missing" };
    return;
  }
  
  const [scheme, token] = authHeader.split(" ");
  
  if (scheme !== "Bearer" || !token) {
    ctx.response.status = Status.Unauthorized;
    ctx.response.body = { detail: "Invalid authentication scheme" };
    return;
  }
  
  if (token !== SECRET_TOKEN) {
    ctx.response.status = Status.Unauthorized;
    ctx.response.body = { detail: "Invalid or expired token" };
    return;
  }
  
  await next();
}

// Initialize client
// app.addEventListener("listen", async () => {
//   try {
//     if (!await Deno.stat("thunderx.json").catch(() => null)) {
//       THUNDERX_CLIENT = new PikPakApi({
//         username: THUNDERX_USERNAME,
//         password: THUNDERX_PASSWORD,
//         token_refresh_callback: logToken,
//         token_refresh_callback_kwargs: { extra_data: "test" }
//       });
      
//       await THUNDERX_CLIENT.login();
//       await THUNDERX_CLIENT.refreshAccessToken();
      
//       const clientData = THUNDERX_CLIENT.toDict();
//       await Deno.writeTextFile("thunderx.json", JSON.stringify(clientData, null, 4));
//     } else {
//       const fileData = await Deno.readTextFile("thunderx.json");
//       const data = JSON.parse(fileData);
      
//       THUNDERX_CLIENT = PikPakApi.fromDict(data);
//       console.log(JSON.stringify(THUNDERX_CLIENT.getUserInfo(), null, 4));
//       console.log(JSON.stringify(await THUNDERX_CLIENT.events(), null, 4));
//     }

//     // 初始化后主动检查并刷新令牌
//     if (THUNDERX_CLIENT) {
//       try {
//         await THUNDERX_CLIENT.refreshAccessToken();
//         console.log("Token refreshed during initialization");
//       } catch (error) {
//         // 如果刷新失败，可能需要重新登录
//         console.log("Token refresh failed, attempting to login again");
//         await THUNDERX_CLIENT.login();
//       }
//     }
    
//   } catch (error) {
//     console.error("Failed to initialize client:", error);
//   }
// });

// app.addEventListener("listen", async () => {
//   try {
//     console.log("Creating client with username/password");
//     THUNDERX_CLIENT = new PikPakApi({
//       username: THUNDERX_USERNAME,
//       password: THUNDERX_PASSWORD,
//       token_refresh_callback: logToken,
//       token_refresh_callback_kwargs: { extra_data: "test" }
//     });
    
//     await THUNDERX_CLIENT.login();
//     await THUNDERX_CLIENT.refreshAccessToken();
    
//     console.log("Client initialized successfully");
//   } catch (error) {
//     console.error("Failed to initialize client:", error);
//   }
// });

// 只修改应用初始化部分，不改动其他代码
// app.addEventListener("listen", async () => {
//   try {
//     console.log("Creating client with username/password");
//     THUNDERX_CLIENT = new PikPakApi({
//       username: THUNDERX_USERNAME,
//       password: THUNDERX_PASSWORD,
//       token_refresh_callback: logToken,
//       token_refresh_callback_kwargs: { extra_data: "test" }
//     });
    
//     await THUNDERX_CLIENT.login();
//     await THUNDERX_CLIENT.refreshAccessToken();
    
//     console.log("Client initialized successfully");
    
//     // 设置定时刷新令牌（每90分钟一次）
//     setInterval(async () => {
//       if (THUNDERX_CLIENT) {
//         try {
//           console.log("Automatically refreshing token...");
//           await THUNDERX_CLIENT.refreshAccessToken();
//           console.log("Token refreshed successfully");
//         } catch (error) {
//           console.error("Failed to refresh token:", error);
//           try {
//             await THUNDERX_CLIENT.login();
//             console.log("Re-login successful");
//           } catch (e) {
//             console.error("Re-login failed:", e);
//           }
//         }
//       }
//     }, 5400000); // 90分钟 = 5400000毫秒
    
//   } catch (error) {
//     console.error("Failed to initialize client:", error);
//   }
// });

// app.addEventListener("listen", async () => {
//   try {
//     console.log("Creating client with username/password");
//     THUNDERX_CLIENT = new PikPakApi({
//       username: THUNDERX_USERNAME,
//       password: THUNDERX_PASSWORD,
//       token_refresh_callback: logToken,
//       token_refresh_callback_kwargs: { extra_data: "test" }
//     });
    
//     await THUNDERX_CLIENT.login();
//     const refreshResult = await THUNDERX_CLIENT.refreshAccessToken();
    
//     console.log("Client initialized successfully");
    
//     // 从响应中提取过期时间（如果可用）或使用默认值
//     let expiresIn = 7200; // 默认2小时
//     if (refreshResult && refreshResult.expires_in) {
//       expiresIn = refreshResult.expires_in;
//       console.log(`Token expires in ${expiresIn} seconds`);
//     }
    
//     // 设置在过期前30分钟刷新
//     const refreshInterval = Math.max((expiresIn - 1800) * 1000, 3600000);
//     console.log(`Setting token refresh interval to ${refreshInterval/1000/60} minutes`);
    
//     // 设置定时刷新令牌
//     setInterval(async () => {
//       if (THUNDERX_CLIENT) {
//         try {
//           console.log("Automatically refreshing token...");
//           await THUNDERX_CLIENT.refreshAccessToken();
//           console.log("Token refreshed successfully");
//         } catch (error) {
//           console.error("Failed to refresh token:", error);
//           try {
//             await THUNDERX_CLIENT.login();
//             console.log("Re-login successful");
//           } catch (e) {
//             console.error("Re-login failed:", e);
//           }
//         }
//       }
//     }, refreshInterval);
    
//   } catch (error) {
//     console.error("Failed to initialize client:", error);
//   }
// });

// 简化的初始化代码
// app.addEventListener("listen", async () => {
//   try {
//     console.log("Creating client with username/password");
//     THUNDERX_CLIENT = new PikPakApi({
//       username: THUNDERX_USERNAME,
//       password: THUNDERX_PASSWORD,
//       token_refresh_callback: logToken,
//       token_refresh_callback_kwargs: { extra_data: "test" }
//     });
    
//     await THUNDERX_CLIENT.login();
//     await THUNDERX_CLIENT.refreshAccessToken();
    
//     console.log("Client initialized successfully");
    
//     // // 使用固定的保守刷新间隔：每60分钟刷新一次（比默认2小时过期时间提前很多）
//     // const refreshInterval = 60 * 60 * 1000; // 60分钟
//     // console.log(`Setting token refresh interval to ${refreshInterval/1000/60} minutes`);
    
//     // // 设置定时刷新令牌
//     // setInterval(async () => {
//     //   if (THUNDERX_CLIENT) {
//     //     try {
//     //       console.log("Automatically refreshing token...");
//     //       await THUNDERX_CLIENT.refreshAccessToken();
//     //       console.log("Token refreshed successfully");
//     //     } catch (error) {
//     //       console.error("Failed to refresh token:", error);
//     //       try {
//     //         await THUNDERX_CLIENT.login();
//     //         console.log("Re-login successful");
//     //       } catch (e) {
//     //         console.error("Re-login failed:", e);
//     //       }
//     //     }
//     //   }
//     // }, refreshInterval);
    
//   } catch (error) {
//     console.error("Failed to initialize client:", error);
//   }
// });

app.addEventListener("listen", async () => {
  try {
    console.log("Creating client with username/password");
    THUNDERX_CLIENT = new PikPakApi({
      username: THUNDERX_USERNAME,
      password: THUNDERX_PASSWORD,
      token_refresh_callback: logToken,
      token_refresh_callback_kwargs: { extra_data: "test" }
    });
    
    await THUNDERX_CLIENT.login();
    await THUNDERX_CLIENT.refreshAccessToken();
    
    console.log("Client initialized successfully");
    console.log("Using on-demand token refresh strategy");
    
  } catch (error) {
    console.error("Failed to initialize client:", error);
  }
});

// Create routers
const apiRouter = new Router();
const frontRouter = new Router();

// Front-end routes
frontRouter.get("/", async (ctx) => {
  try {
    // A very simple HTML template for demonstration
    const html = `
    <!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>PikPak API Client</title>
  <style>
    body { font-family: Arial, sans-serif; margin: 20px; }
    h1 { color: #333; }
    .container { max-width: 800px; margin: 0 auto; }
    .card { border: 1px solid #ddd; padding: 20px; margin-bottom: 20px; border-radius: 5px; }
    button { background: #4CAF50; color: white; border: none; padding: 10px 15px; border-radius: 4px; cursor: pointer; }
    button:hover { background: #45a049; }
    button:disabled { background: #cccccc; cursor: not-allowed; }
    pre { background: #f5f5f5; padding: 10px; border-radius: 4px; overflow-x: auto; }
    .error { color: #ff0000; margin-top: 5px; }
    input { width: 70%; padding: 8px; }
    .input-group { margin-bottom: 10px; }
  </style>
</head>
<body>
  <div class="container">
    <h1>迅雷X API Client</h1>
    
    <div class="card">
      <h2>Authentication</h2>
      <div class="input-group">
        <input type="password" id="apiToken" placeholder="Enter your API token" style="width: 70%; padding: 8px;">
        <button id="saveToken">Save Token</button>
        <div id="tokenError" class="error"></div>
      </div>
      <div id="authStatus"></div>
    </div>
    
    <div class="card">
      <h2>User Info</h2>
      <button id="getUserInfo" disabled>Get User Info</button>
      <pre id="userInfoResult"></pre>
    </div>
    
    <div class="card">
      <h2>File List</h2>
      <button id="getFileList" disabled>Get File List</button>
      <pre id="fileListResult"></pre>
    </div>
    
    <div class="card">
      <h2>Offline Download</h2>
      <div class="input-group">
        <input type="text" id="fileUrl" placeholder="Enter file URL (http:// or https:// required)">
        <div id="urlError" class="error"></div>
      </div>
      <button id="offlineDownload" disabled>Download</button>
      <pre id="offlineResult"></pre>
    </div>
  </div>
  
  <script>
    // Global variables
    let authToken = '';
    let isAuthenticated = false;
    
    // DOM elements
    const saveTokenBtn = document.getElementById('saveToken');
    const getUserInfoBtn = document.getElementById('getUserInfo');
    const getFileListBtn = document.getElementById('getFileList');
    const offlineDownloadBtn = document.getElementById('offlineDownload');
    const authStatusDiv = document.getElementById('authStatus');
    const fileUrlInput = document.getElementById('fileUrl');
    const urlErrorDiv = document.getElementById('urlError');
    const tokenErrorDiv = document.getElementById('tokenError');
    
    // Function to validate URL format
    // function isValidUrl(url) {
    //   try {
    //     const parsedUrl = new URL(url);
    //     return parsedUrl.protocol === 'http:' || parsedUrl.protocol === 'https:';
    //   } catch (e) {
    //     return false;
    //   }
    // }
    function isValidUrl(url) {
      try {
        // 处理磁力链接的特殊情况
        if (url.startsWith('magnet:?')) {
          // 验证磁力链接至少包含一个xt参数（必需参数）
          return url.includes('xt=');
        }
        
        // 处理常规URL
        const parsedUrl = new URL(url);
        return parsedUrl.protocol === 'http:' || parsedUrl.protocol === 'https:';
      } catch (e) {
        return false;
      }
    }
    
    // Function to validate API token (basic validation)
    function isValidToken(token) {
      // At minimum, ensure token exists and meets basic length requirements
      return token && token.trim().length >= 6;
    }
    
    // Function to sanitize output (prevent XSS in error messages)
    function sanitizeOutput(text) {
      const div = document.createElement('div');
      div.textContent = text;
      return div.innerHTML;
    }
    
    // Function to update UI based on authentication status
    function updateUIAuthState() {
      const authenticated = Boolean(authToken);
      
      getUserInfoBtn.disabled = !authenticated;
      getFileListBtn.disabled = !authenticated;
      offlineDownloadBtn.disabled = !authenticated || !isValidUrl(fileUrlInput.value);
      
      authStatusDiv.textContent = authenticated ? 
        'Authentication status: Token saved securely' : 
        'Authentication status: Not authenticated';
    }
    
    // Event listener for token saving
    saveTokenBtn.addEventListener('click', () => {
      const tokenInput = document.getElementById('apiToken');
      const token = tokenInput.value.trim();
      
      // Validate token
      if (!isValidToken(token)) {
        tokenErrorDiv.textContent = 'Invalid token format. Token should be at least 6 characters.';
        return;
      }
      
      // Clear any previous errors
      tokenErrorDiv.textContent = '';
      
      // Store token securely in memory (not in localStorage or cookies)
      authToken = token;
      
      // Clear the input field for security
      tokenInput.value = '';
      
      // Update UI
      updateUIAuthState();
    });
    
    // File URL validation event listener
    // fileUrlInput.addEventListener('input', () => {
    //   const url = fileUrlInput.value.trim();
      
    //   if (url && !isValidUrl(url)) {
    //     urlErrorDiv.textContent = 'Please enter a valid URL starting with http:// or https://';
    //     offlineDownloadBtn.disabled = true;
    //   } else {
    //     urlErrorDiv.textContent = '';
    //     offlineDownloadBtn.disabled = !authToken;
    //   }
    // });
    fileUrlInput.addEventListener('input', () => {
      const url = fileUrlInput.value.trim();
      
      if (url && !isValidUrl(url)) {
        urlErrorDiv.textContent = 'Please enter a valid URL (http://, https://, or magnet: protocol)';
        offlineDownloadBtn.disabled = true;
      } else {
        urlErrorDiv.textContent = '';
        offlineDownloadBtn.disabled = !authToken;
      }
    });
    
    // Get user info
    getUserInfoBtn.addEventListener('click', async () => {
      if (!authToken) {
        document.getElementById('userInfoResult').textContent = 'Error: Not authenticated';
        return;
      }
      
      try {
        const headers = {
          'Authorization': 'Bearer ' + authToken,
          'Content-Type': 'application/json'
        };
        
        const response = await fetch('/userinfo', { 
          headers,
          method: 'GET',
          credentials: 'same-origin' // Prevent CSRF
        });
        
        if (!response.ok) {
          throw new Error(\`Server responded with status: \${response.status}\`);
        }
        
        const data = await response.json();
        document.getElementById('userInfoResult').textContent = JSON.stringify(data, null, 2);
      } catch (error) {
        document.getElementById('userInfoResult').textContent = 'Error: ' + sanitizeOutput(error.message);
      }
    });
    
    // Get file list
    getFileListBtn.addEventListener('click', async () => {
      if (!authToken) {
        document.getElementById('fileListResult').textContent = 'Error: Not authenticated';
        return;
      }
      
      try {
        const headers = {
          'Authorization': 'Bearer ' + authToken,
          'Content-Type': 'application/json'
        };
        
        const response = await fetch('/files', {
          method: 'POST',
          headers,
          body: JSON.stringify({ size: 10 }),
          credentials: 'same-origin' // Prevent CSRF
        });
        
        if (!response.ok) {
          throw new Error(\`Server responded with status: \${response.status}\`);
        }
        
        const data = await response.json();
        document.getElementById('fileListResult').textContent = JSON.stringify(data, null, 2);
      } catch (error) {
        document.getElementById('fileListResult').textContent = 'Error: ' + sanitizeOutput(error.message);
      }
    });
    
    // Offline download
    offlineDownloadBtn.addEventListener('click', async () => {
      const fileUrl = fileUrlInput.value.trim();
      
      // URL validation
      if (!isValidUrl(fileUrl)) {
        urlErrorDiv.textContent = 'Please enter a valid URL starting with http:// or https://';
        return;
      }
      
      if (!authToken) {
        document.getElementById('offlineResult').textContent = 'Error: Not authenticated';
        return;
      }
      
      try {
        const headers = {
          'Authorization': 'Bearer ' + authToken,
          'Content-Type': 'application/json'
        };
        
        const response = await fetch('/offline', {
          method: 'POST',
          headers,
          body: JSON.stringify({ file_url: fileUrl }),
          credentials: 'same-origin' // Prevent CSRF
        });
        
        if (!response.ok) {
          throw new Error(\`Server responded with status: \${response.status}\`);
        }
        
        const data = await response.json();
        document.getElementById('offlineResult').textContent = JSON.stringify(data, null, 2);
        
        // Clear input field after successful submission
        fileUrlInput.value = '';
      } catch (error) {
        document.getElementById('offlineResult').textContent = 'Error: ' + sanitizeOutput(error.message);
      }
    });
    
    // Initialize UI
    updateUIAuthState();
  </script>
</body>
</html>
    `;
    
    ctx.response.headers.set("Content-Type", "text/html");
    ctx.response.body = html;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: "Template error" };
  }
});

// Helper function to ensure client is initialized
function ensureClient(ctx: Context): boolean {
  if (!THUNDERX_CLIENT) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: "API client not initialized" };
    return false;
  }
  return true;
}

// API routes
// File list endpoint
// apiRouter.post("/files", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   const body = await ctx.request.body.json() as FileRequest;
//   const size = body.size || 100;
//   const parent_id = body.parent_id || undefined;
//   const next_page_token = body.next_page_token || undefined;
//   const additional_filters = body.additional_filters || {};
  
//   try {
//     const result = await THUNDERX_CLIENT!.fileList(
//       size,
//       parent_id,
//       next_page_token,
//       additional_filters
//     );
    
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });

// // Get file info endpoint
// apiRouter.get("/files/:file_id", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   const { file_id } = ctx.params;
  
//   try {
//     const result = await THUNDERX_CLIENT!.getDownloadUrl(file_id);
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });

// // Empty trash endpoint
// apiRouter.post("/emptytrash", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   try {
//     const result = await THUNDERX_CLIENT!.emptytrash();
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });

// // Offline task list endpoint
// apiRouter.get("/offline", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   const url = new URL(ctx.request.url);
//   const size = parseInt(url.searchParams.get("size") || "10000");
//   const next_page_token = url.searchParams.get("next_page_token") || undefined;
  
//   try {
//     const result = await THUNDERX_CLIENT!.offlineList(
//       size,
//       next_page_token
//     );
    
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });

// // Add offline task endpoint
// apiRouter.post("/offline", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   // const body = await ctx.request.body({ type: "json" }).value as OfflineRequest;
//   const body = await ctx.request.body.json() as FileRequest;
  
//   try {
//     const result = await THUNDERX_CLIENT!.offlineDownload(
//       body.file_url,
//       body.parent_id,
//       body.name
//     );
    
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });

// // User info endpoint
// apiRouter.get("/userinfo", (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   ctx.response.body = THUNDERX_CLIENT!.getUserInfo();
// });

// // Quota info endpoint
// apiRouter.get("/quota", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   try {
//     const result = await THUNDERX_CLIENT!.getQuotaInfo();
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });


// 添加一个包装函数来处理验证码错误并自动重试
async function withCaptchaRetry(captchaPath, apiCall) {
  // 首先尝试刷新验证码
  try {
    await THUNDERX_CLIENT.captchaInit(captchaPath);
    console.log(`Captcha refreshed for ${captchaPath}`);
  } catch (captchaError) {
    console.error(`Failed to refresh captcha for ${captchaPath}:`, captchaError);
  }
  
  try {
    // 尝试执行API调用
    return await apiCall();
  } catch (error) {
    // 检查是否是验证码错误
    if (error.message && (
        error.message.includes("Verification code is invalid") || 
        error.message.includes("invalid captcha_sign"))) {
      console.log(`Detected invalid verification code, retrying ${captchaPath}...`);
      
      // 再次刷新验证码
      await THUNDERX_CLIENT.captchaInit(captchaPath);
      
      // 重试API调用
      return await apiCall();
    }
    
    // 其他类型的错误则继续抛出
    throw error;
  }
}

apiRouter.use(verifyToken);

// 文件列表路由
apiRouter.post("/files", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    const body = await ctx.request.body.json();
    const size = body.size || 100;
    const parent_id = body.parent_id || undefined;
    const next_page_token = body.next_page_token || undefined;
    const additional_filters = body.additional_filters || {};
    
    const result = await withCaptchaRetry(
      "GET:/drive/v1/files",
      () => THUNDERX_CLIENT.fileList(
        size,
        parent_id,
        next_page_token,
        additional_filters
      )
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 文件详情路由
apiRouter.get("/files/:file_id", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  const { file_id } = ctx.params;
  
  try {
    const result = await withCaptchaRetry(
      `GET:/drive/v1/files/${file_id}`,
      () => THUNDERX_CLIENT.getDownloadUrl(file_id)
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 清空回收站路由
apiRouter.post("/emptytrash", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    const result = await withCaptchaRetry(
      "PATCH:/drive/v1/files/trash:empty",
      () => THUNDERX_CLIENT.emptytrash()
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 离线任务列表路由
apiRouter.get("/offline", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    const url = new URL(ctx.request.url);
    const size = parseInt(url.searchParams.get("size") || "10000");
    const next_page_token = url.searchParams.get("next_page_token") || undefined;
    
    const result = await withCaptchaRetry(
      "GET:/drive/v1/tasks",
      () => THUNDERX_CLIENT.offlineList(
        size,
        next_page_token
      )
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 添加离线任务路由
apiRouter.post("/offline", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    const body = await ctx.request.body.json();
    
    const result = await withCaptchaRetry(
      "GET:/drive/v1/files",
      () => THUNDERX_CLIENT.offlineDownload(
        body.file_url,
        body.parent_id,
        body.name
      )
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 用户信息路由 (不需要验证码刷新)
apiRouter.get("/userinfo", (ctx) => {
  if (!ensureClient(ctx)) return;
  
  // 用户信息不需要验证码刷新，因为它只是返回客户端中已有的信息
  ctx.response.body = THUNDERX_CLIENT.getUserInfo();
});

// 配额信息路由
apiRouter.get("/quota", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    const result = await withCaptchaRetry(
      "GET:/drive/v1/about",
      () => THUNDERX_CLIENT.getQuotaInfo()
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 添加移动到回收站接口
// delete_to_trash
// apiRouter.post("/delete_to_trash", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   try {
//     const body = await ctx.request.body.json();
//     const ids = body.ids || [];
    
//     const result = await withCaptchaRetry(
//       "GET:/drive/v1/files:batchTrash",
//       () => THUNDERX_CLIENT.deleteToTrash(ids)
//     );
    
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });
apiRouter.post("/delete_to_trash", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    // 直接将请求体解析为JSON数组
    const ids = await ctx.request.body.json();
    
    const result = await withCaptchaRetry(
      "GET:/drive/v1/files:batchTrash",
      () => THUNDERX_CLIENT.deleteToTrash(ids)
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 添加彻底删除接口
// apiRouter.post("/delete_forever", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   try {
//     const body = await ctx.request.body.json();
//     const ids = body.ids || [];
    
//     const result = await withCaptchaRetry(
//       "GET:/drive/v1/files:batchDelete",
//       () => THUNDERX_CLIENT.deleteToTrash(ids)
//     );
    
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });
apiRouter.post("/delete_forever", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    // 直接将请求体解析为JSON数组
    const ids = await ctx.request.body.json();
    
    const result = await withCaptchaRetry(
      "GET:/drive/v1/files:batchTrash",
      () => THUNDERX_CLIENT.deleteToTrash(ids)
    );
    
    ctx.response.body = result;
  } catch (error) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// // 批量分享文件
// apiRouter.post("/file_batch_share", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   try {
//     // 解析请求体
//     const requestBody = await ctx.request.body.json();
//     const fileId = requestBody.file_id; // 单个文件ID
//     const duration = requestBody.duration || -1; // 过期时间（秒），默认永久
//     const no_password = requestBody.no_password !== undefined ? requestBody.no_password : true; // 是否不需要密码
    
//     // 构造文件ID数组（即使只有一个ID也用数组）
//     const ids = Array.isArray(fileId) ? fileId : [fileId];
    
//     // 计算天数（如果提供的是秒数）
//     let expiration_days = -1;
//     if (duration > 0) {
//       expiration_days = Math.ceil(duration / (24 * 60 * 60));
//     }
    
//     // 调用迅雷分享API
//     const result = await withCaptchaRetry(
//       "POST:/drive/v1/files:batchShare",
//       () => THUNDERX_CLIENT.fileBatchShare(ids, !no_password, expiration_days)
//     );
    
//     ctx.response.body = result;
//   } catch (error) {
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });

apiRouter.post("/file_batch_share", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    // 从请求体获取文件ID数组
    const ids = await ctx.request.body.json();
    
    // 从查询参数获取其他选项
    const url = new URL(ctx.request.url);
    const needPassword = url.searchParams.get("need_password") === "true";
    const expirationDays = parseInt(url.searchParams.get("expiration_days") || "-1");
    
    // console.log("分享请求参数:", {
    //   ids,
    //   needPassword,
    //   expirationDays
    // });
    
    // 调用迅雷分享API
    const result = await withCaptchaRetry(
      "POST:/drive/v1/share",
      () => THUNDERX_CLIENT.fileBatchShare(ids, needPassword, expirationDays)
    );
    
    ctx.response.body = result;
  } catch (error) {
    console.error("分享失败:", error);
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 转存分享文件
// 转存分享文件 - 修复后的实现
// apiRouter.post("/restore", async (ctx) => {
//   if (!ensureClient(ctx)) return;
  
//   try {
//     // 解析请求体
//     const requestBody = await ctx.request.body.json();
    
//     // 提取必要参数
//     const shareId = requestBody.share_id;
//     const passCodeToken = requestBody.pass_code_token || null;
//     const fileIds = requestBody.file_ids || null;
    
//     console.log("转存请求参数:", {
//       shareId,
//       passCodeToken,
//       fileIds: fileIds ? `${Array.isArray(fileIds) ? fileIds.length : 1}个文件` : "无"
//     });
    
//     // 验证必要参数
//     if (!shareId) {
//       ctx.response.status = Status.BadRequest;
//       ctx.response.body = { error: "share_id is required" };
//       return;
//     }
    
//     if (!fileIds || (Array.isArray(fileIds) && fileIds.length === 0)) {
//       ctx.response.status = Status.BadRequest;
//       ctx.response.body = { error: "file_ids is required and cannot be empty" };
//       return;
//     }
    
//     // 确保fileIds是数组格式
//     const normalizedFileIds = Array.isArray(fileIds) ? fileIds : [fileIds];
    
//     // 调用PikPak API - 注意参数顺序和类型
//     const result = await withCaptchaRetry(
//       "GET:/drive/v1/share/restore",
//       () => THUNDERX_CLIENT.restore(shareId, passCodeToken, normalizedFileIds)
//     );
    
//     console.log("转存结果:", result);
    
//     ctx.response.body = result;
//   } catch (error) {
//     console.error("转存分享文件失败:", error);
//     ctx.response.status = Status.InternalServerError;
//     ctx.response.body = { error: error.message };
//   }
// });

// 转存分享文件 - 深度调试版
apiRouter.post("/restore", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    // 记录原始请求
    const originalBody = await ctx.request.body.text();
    console.log("原始请求体:", originalBody);
    
    // 解析请求体
    const requestBody = JSON.parse(originalBody);
    console.log("解析后请求体:", requestBody);
    
    // 提取必要参数
    const shareId = requestBody.share_id;
    const passCodeToken = requestBody.pass_code_token || null;
    let fileIds = requestBody.file_ids || null;
    
    // 确保fileIds总是一个数组
    if (fileIds && !Array.isArray(fileIds)) {
      fileIds = [fileIds];
    }
    
    console.log("转存参数提取:", {
      shareId,
      passCodeToken,
      fileIds: fileIds ? JSON.stringify(fileIds) : "无"
    });
    
    // 验证必要参数
    if (!shareId) {
      ctx.response.status = Status.BadRequest;
      ctx.response.body = { error: "share_id is required" };
      return;
    }
    
    if (!fileIds || fileIds.length === 0) {
      ctx.response.status = Status.BadRequest;
      ctx.response.body = { error: "file_ids is required and cannot be empty" };
      return;
    }
    
    // 构造与Python完全相同的请求体
    const pythonStyleData = {
      share_id: shareId,
      pass_code_token: passCodeToken,
      file_ids: fileIds
    };
    
    console.log("Python风格请求体:", JSON.stringify(pythonStyleData));
    
    // 直接使用重构的请求数据调用API方法
    const result = await withCaptchaRetry(
      "GET:/drive/v1/share/restore",
      () => THUNDERX_CLIENT.restore(shareId, passCodeToken, fileIds)
    );
    
    console.log("转存API返回:", JSON.stringify(result));
    
    ctx.response.body = result;
  } catch (error) {
    console.error(`转存分享文件失败: ${error.message}`);
    // 如果错误消息中包含更多细节，也记录下来
    if (error.response) {
      console.error("错误响应:", error.response);
    }
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});

// 获取分享信息 - 对应Python版本的get_share_folder
apiRouter.post("/get_share_folder", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    // 关键修改：从请求体获取参数，而不是查询参数
    const requestBody = await ctx.request.body.json();
    const shareId = requestBody.share_id;
    const passCodeToken = requestBody.pass_code_token || null;
    const parentId = requestBody.parent_id || null;
    
    // 验证必要参数
    if (!shareId) {
      ctx.response.status = Status.BadRequest;
      ctx.response.body = { error: "share_id is required" };
      return;
    }
    
    // 调用PikPak API
    const result = await withCaptchaRetry(
      "GET:/drive/v1/share/detail",
      () => THUNDERX_CLIENT.getShareFolder(shareId, passCodeToken, parentId)
    );
    
    ctx.response.body = result;
  } catch (error) {
    console.error("获取分享信息失败:", error);
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});
// 验证分享密码 - 获取pass_code_token
// 验证分享密码 - 获取pass_code_token
apiRouter.post("/verify_share_password", async (ctx) => {
  if (!ensureClient(ctx)) return;
  
  try {
    const requestBody = await ctx.request.body.json();
    const shareId = requestBody.share_id;
    const passCode = requestBody.pass_code;
    
    if (!shareId || !passCode) {
      ctx.response.status = Status.BadRequest;
      ctx.response.body = { error: "share_id and pass_code are required" };
      return;
    }
    
    // 构造分享链接 - 使用迅雷网盘的格式
    const shareLink = `https://pan.xunleix.com/s/${shareId}`;
    
    // 调用验证密码的API
    const result = await withCaptchaRetry(
      "GET:/drive/v1/share",
      () => THUNDERX_CLIENT.getShareInfo(shareLink, passCode)
    );
    
    // 如果成功，返回pass_code_token
    if (result && result.pass_code_token) {
      ctx.response.body = { 
        pass_code_token: result.pass_code_token,
        success: true
      };
    } else {
      throw new Error("Failed to get pass_code_token");
    }
  } catch (error) {
    console.error("验证分享密码失败:", error);
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: error.message };
  }
});
// 添加健康检查路由
apiRouter.get("/health", (ctx) => {
  ctx.response.body = {
    status: "ok",
    client_initialized: !!THUNDERX_CLIENT,
    last_token_refresh: lastRefreshTime ? new Date(lastRefreshTime).toISOString() : "never"
  };
});

// Add routes to application
app.use(frontRouter.routes());
app.use(frontRouter.allowedMethods());

// Apply verification middleware to API routes

app.use(apiRouter.routes());
app.use(apiRouter.allowedMethods());

// Error handler
app.use(async (ctx, next) => {
  try {
    await next();
  } catch (err) {
    ctx.response.status = Status.InternalServerError;
    ctx.response.body = { error: err.message };
    console.error(err);
  }
});

// Start the server if this is the main module
if (import.meta.main) {
  // const port = parseInt(Deno.env.get("PORT") || "8000");
  const port = parseInt(Deno.env.get("PORT") || "7860");
  console.log(`Starting server on port ${port}...`);
  
  app.addEventListener("listen", ({ hostname, port, secure }) => {
    console.log(
      `Server listening on: ${secure ? "https://" : "http://"}${
        hostname ?? "localhost"
      }:${port}`
    );
  });
  
  await app.listen({ port });
}