import { ToastUtil } from '@pura/harmony-utils';
import { CommonConstants } from '../common/constants/CommonConstants';
import { RemoteDriveType } from '../common/enums/RemoteDriveType';
import { WebDavAccount } from '../viewmodel/WebDavAccount';
import { ImagePickerUtil } from '../common/util/ImagePickerUtil';
import Logger from '../common/util/Logger';
import { ConfigurationConstant, Context } from '@kit.AbilityKit';
import { BaiduConstants } from '../common/constants/BaiduConstants';
import { BaiduDeviceTokenResult, pollDeviceToken as pollBaiduDeviceToken, requestDeviceCode as requestBaiduDeviceCode } from '../common/network/BaiduPanClient';
import { webview } from '@kit.ArkWeb';

interface ParsedConnectionParts {
  protocol: string;
  username?: string;
  password?: string;
  host: string;
  port?: number;
  path?: string;
}

interface BaiduTokenResultShape {
  access_token?: string;
  refresh_token?: string;
  expires_in?: number;
  error?: string;
  error_description?: string;
}

// 工具函数：将 #RRGGBB 字符串和透明度转为 'rgba(r,g,b,a)' 字符串，深色模式下可返回深色变体
function themeColorWithAlpha(themeColor: string, alpha: number, isDarkMode: boolean = false): string {
  if (isDarkMode) {
    // 深色模式下返回更深的灰色或半透明黑色
    return `rgba(34,34,34,${alpha + 0.2 > 1 ? 1 : alpha + 0.2})`;
  }
  const color = themeColor.replace('#', '');
  const r = parseInt(color.substring(0, 2), 16);
  const g = parseInt(color.substring(2, 4), 16);
  const b = parseInt(color.substring(4, 6), 16);
  return `rgba(${r},${g},${b},${alpha})`;
}

// 网盘账户对话框
@Component
export struct RemoteDriveAccountDialog {
  @Prop isEditMode: boolean = false;
  @Prop account: WebDavAccount;
  onConfirm?: (account: WebDavAccount) => void;
  onCancel?: () => void;
  @State accountName: string = '我的网盘';
  @State host: string = '';
  @State port: number = -1;
  @State filepath: string = '/';
  @State username: string = '';
  @State password: string = '';
  @State enableHttps: boolean = false;
  @Prop initialDriveType: RemoteDriveType = RemoteDriveType.WebDav;
  @State driveType: RemoteDriveType = RemoteDriveType.WebDav;
  @State shareName: string = '';
  @State domain: string = '';
  @State navidromeBasePath: string = '/rest';
  @State jellyfinBasePath: string = '';
  @State embyBasePath: string = '';
  @State coverPath: string = '';
  @State isDarkMode: boolean = false;
  @State ftpEncoding: string = 'utf-8';
  @State baiduAuthStatus: string = '';
  @State baiduAccessToken: string = '';
  @State baiduRefreshToken: string = '';
  @State baiduTokenExpiresAt: number = 0;
  @State showBaiduAuthDialog: boolean = false;
  @State baiduAuthorizeUrl: string = '';
  @State baiduAuthProgress: number = 0;
  @State baiduAuthMode: 'web' | 'device' = 'web';
  @State baiduDeviceCode: string = '';
  @State baiduDeviceUserCode: string = '';
  @State baiduDeviceVerifyUrl: string = '';
  @State baiduDeviceQrUrl: string = '';
  @State baiduDeviceExpireAt: number = 0;
  @State baiduDeviceInterval: number = 5;
  @State baiduDevicePolling: boolean = false;
  @StorageProp('themeColor') themeColor: string = CommonConstants.DEFAULT_THEME_COLOR;
  @StorageProp('currentColorMode') @Watch('onColorModeChange') currentMode: number =
    ConfigurationConstant.ColorMode.COLOR_MODE_LIGHT;

  @State portInput: string = '';
  private nameCustomized: boolean = false;
  private portCustomized: boolean = false;
  private navBasePathCustomized: boolean = false;
  private jellyfinBasePathCustomized: boolean = false;
  private embyBasePathCustomized: boolean = false;
  private baiduAuthStateToken: string = '';
  private baiduWebController: webview.WebviewController = new webview.WebviewController();
  private baiduDevicePollTimer: number = 0;

  onColorModeChange() {
    this.isDarkMode = this.currentMode === ConfigurationConstant.ColorMode.COLOR_MODE_DARK
  }

  aboutToAppear(): void {
    console.info('heanup driveType = ' + this.driveType);
    this.isDarkMode = this.currentMode === ConfigurationConstant.ColorMode.COLOR_MODE_DARK;
    if (this.isEditMode) {
      this.accountName = this.account.name;
      this.host = this.account.host;
      this.updatePortState(this.account.port, true);
      this.filepath = this.account.filepath;
      this.username = this.account.account;
      this.password = this.account.password;
      this.enableHttps = this.account.enableHttps;
      this.driveType = this.account.webType ?? RemoteDriveType.WebDav;
      this.shareName = this.account.smbShare ?? '';
      this.domain = this.account.smbDomain ?? '';
      this.coverPath = this.account.coverPath || '';
      this.ftpEncoding = this.account.ftpEncoding ?? 'utf-8';
      this.baiduAccessToken = this.account.baiduAccessToken ?? '';
      this.baiduRefreshToken = this.account.baiduRefreshToken ?? '';
      this.baiduTokenExpiresAt = this.account.baiduTokenExpiresAt ?? 0;
      this.nameCustomized = true;
      if (this.driveType === RemoteDriveType.Navidrome) {
        this.navidromeBasePath = this.normalizeNavidromeBasePath(this.account.navidromeBasePath ?? '/rest');
        this.navBasePathCustomized = true;
      }
      if (this.driveType === RemoteDriveType.Jellyfin) {
        this.jellyfinBasePath = this.normalizeJellyfinBasePath(this.account.jellyfinBasePath ?? '');
        this.jellyfinBasePathCustomized = true;
      }
      if (this.driveType === RemoteDriveType.Emby) {
        this.embyBasePath = this.normalizeEmbyBasePath(this.account.embyBasePath ?? '');
        this.embyBasePathCustomized = true;
      }
      Logger.info('heanup RemoteDriveAccountDialog', `编辑模式加载账户: ${this.accountName}, 封面路径: ${this.coverPath}`);
      if (this.coverPath) {
        Logger.info('heanup RemoteDriveAccountDialog', `封面文件是否存在: ${ImagePickerUtil.imageExists(this.coverPath)}`);
      }
    } else {
      this.driveType = this.initialDriveType ?? RemoteDriveType.WebDav;
      this.baiduAccessToken = '';
      this.baiduRefreshToken = '';
      this.baiduTokenExpiresAt = 0;
      this.jellyfinBasePathCustomized = false;
      this.navBasePathCustomized = false;
      this.handleDriveTypeChange(this.driveType, true);
    }
  }

  aboutToDisappear(): void {
    this.closeBaiduAuthDialog();
  }

  build() {
    Stack() {
      Scroll() {
        this.contentBuilder();
      }
      .height('100%')
      .width('100%')
      .scrollBar(BarState.Off);

      if (this.showBaiduAuthDialog) {
        this.buildBaiduAuthDialogOverlay();
      }
    }
    .height('100%')
    .width('100%');
  }

  @Builder
  contentBuilder() {
    Column({ space: 16 }) {
      // 标题
      Text(this.isEditMode ? '编辑账户' : '添加账户')
        .fontSize(18)
        .fontWeight(FontWeight.Bold)
        .fontColor($r('app.color.index_tab_font_color'));

      // 类型选择 + 封面
      // this.buildTypeSelector();

      // 账户封面选择
      Row({ space: 8 }) {
        Text('账户封面')
          .fontSize(14)
          .fontColor(this.isDarkMode ? '#EBEBF5' : '#666666')
          .fontWeight(FontWeight.Medium)
          .alignSelf(ItemAlign.Center);

        // 封面选择区域
        Row({ space: 12 }) {
          // 封面预览
          Stack() {
            if (this.coverPath) {
              Image(this.coverPath)
                .width(50)
                .height(50)
                .borderRadius(8)
                .objectFit(ImageFit.Cover);
            } else {
              // 默认封面图标
              Column() {
                Image(getCloudDiskIcon(this.driveType))
                  .width(30)
                  .height(30)
              }
              .width(50)
              .height(50)
              .backgroundColor(this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background'))
              .borderRadius(8)
              .justifyContent(FlexAlign.Center);
            }
          }
          .onClick(() => {
            this.handleSelectCover();
          });

          // 操作按钮
          Column({ space: 8 }) {
            Button('选择封面（可选）')
              .width(120)
              .height(36)
              .fontSize(11)
              .fontColor(this.isDarkMode ? '#FFFFFF' : $r('app.color.text_color'))
              .backgroundColor(this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background'))
              .onClick(() => {
                this.handleSelectCover();
              });

            if (this.coverPath) {
              Button('移除封面')
                .width(120)
                .height(36)
                .fontSize(12)
                .fontColor(this.isDarkMode ? '#FF453A' : Color.Red)
                .backgroundColor(this.isDarkMode ? 'rgba(255,69,58,0.2)' : '#FFE5E5')
                .onClick(() => {
                  this.handleRemoveCover();
                });
            }
          }
          .alignItems(HorizontalAlign.Start);
        }
        .width('100%')
        .justifyContent(FlexAlign.Start);
      }
      .width('100%')
      .alignItems(VerticalAlign.Center);

      // 账户名称
      Row({ space: 8 }) {
        Text('名称')
          .fontSize(14)
          .fontColor($r('app.color.index_tab_font_color'));
        TextArea({ placeholder: '请输入账户名称', text: this.accountName })
          .layoutWeight(1)
          .maxLines(1)
          .onChange((value: string) => {
            this.accountName = value;
            this.nameCustomized = true;
          });
      }
      .width('100%')
      .alignItems(VerticalAlign.Center);

      if (this.driveType === RemoteDriveType.Baidu) {
        this.buildBaiduAuthSection();
      } else {
      // 服务器地址
      Row({ space: 8 }) {
        Text(this.getServerLabel())
          .fontSize(14)
          .maxLines(2)
          .fontColor($r('app.color.index_tab_font_color'));
        TextArea({ placeholder: '服务器地址或连接串', text: this.host })
          .layoutWeight(1)
          .onChange((value: string) => {
            const trimmed = value.trim();
            if (trimmed.includes('://') && this.tryParseConnectionString(trimmed)) {
              return;
            }
            this.host = trimmed;
          });
      }
      .alignItems(VerticalAlign.Center);
      this.buildHelperText(this.getServerHint())

      // 端口
      Row({ space: 8 }) {
        Text('端口')
          .fontSize(14)
          .fontColor($r('app.color.index_tab_font_color'));
        TextInput({ placeholder: this.getPortPlaceholder(), text: this.portInput })
          .layoutWeight(1)
          .maxLines(1)
          .type(InputType.Number)
          .onChange((value: string) => {
            const trimmed = value.trim();
            this.portInput = trimmed;
            const defaultPort = this.getDefaultPort();
            if (trimmed.length === 0) {
              this.portCustomized = false;
              this.port = defaultPort;
              return;
            }
            const parsed = parseInt(trimmed);
            if (Number.isNaN(parsed) || parsed === -1) {
              return;
            }
            this.updatePortState(parsed, true, false);
          });
      }
      .alignItems(VerticalAlign.Center);
      // this.buildHelperText('若留空将自动使用协议默认端口')

      if (this.driveType === RemoteDriveType.Smb) {
        // SMB 共享名称
        Row({ space: 8 }) {
          Text('共享名称')
            .fontSize(14)
            .fontColor($r('app.color.index_tab_font_color'));
          TextInput({ placeholder: '共享名称', text: this.shareName })
            .layoutWeight(1)
            .maxLines(1)
            .onChange((value: string) => {
              this.shareName = value;
            });
        }
        .alignItems(VerticalAlign.Center)
        .visibility(Visibility.Visible)
        // this.buildHelperText('NAS 上共享根目录的名称，例如 music、share')

        Row({ space: 8 }) {
          Text('域/工作组')
            .fontSize(14)
            .fontColor($r('app.color.index_tab_font_color'));
          TextInput({ placeholder: '可选项', text: this.domain })
            .layoutWeight(1)
            .maxLines(1)
            .onChange((value: string) => {
              this.domain = value;
            });
        }
        .alignItems(VerticalAlign.Center)
        .visibility(Visibility.Visible)
        // this.buildHelperText('可选，用于需要域/工作组认证的 SMB 服务器')
      }

      if (this.driveType === RemoteDriveType.Ftp) {
        Row({ space: 8 }) {
          Text('编码')
            .fontSize(14)
            .fontColor($r('app.color.index_tab_font_color'));
          TextInput({ placeholder: '默认 utf-8，可填 gbk 等', text: this.ftpEncoding })
            .layoutWeight(1)
            .maxLines(1)
            .onChange((value: string) => {
              this.ftpEncoding = value.trim();
            });
        }
        .alignItems(VerticalAlign.Center);
        this.buildHelperText('若目录或文件名为中文，可根据服务器设置调整编码');
      }

      if (this.driveType === RemoteDriveType.Jellyfin) {
        Row({ space: 8 }) {
          Text('API路径')
            .fontSize(14)
            .fontColor($r('app.color.index_tab_font_color'));
          TextInput({ placeholder: '可选，如 /jellyfin', text: this.jellyfinBasePath })
            .layoutWeight(1)
            .maxLines(1)
            .onChange((value: string) => {
              this.jellyfinBasePath = this.normalizeJellyfinBasePath(value);
              this.jellyfinBasePathCustomized = true;
            });
        }
        .alignItems(VerticalAlign.Center);
        this.buildHelperText('Jellyfin 部署在子路径时填写，默认留空表示根路径');
      }

      if (this.driveType === RemoteDriveType.Emby) {
        Row({ space: 8 }) {
          Text('API路径')
            .fontSize(14)
            .fontColor($r('app.color.index_tab_font_color'));
          TextInput({ placeholder: '可选，如 /emby', text: this.embyBasePath })
            .layoutWeight(1)
            .maxLines(1)
            .onChange((value: string) => {
              this.embyBasePath = this.normalizeEmbyBasePath(value);
              this.embyBasePathCustomized = true;
            });
        }
        .alignItems(VerticalAlign.Center);
        this.buildHelperText('Emby 部署在子路径时填写，默认留空表示根路径');
      }

      // if (this.driveType === RemoteDriveType.Navidrome) {
      //   Row({ space: 8 }) {
      //     Text('API路径')
      //       .fontSize(14)
      //       .fontColor($r('app.color.index_tab_font_color'));
      //     TextInput({ placeholder: '/rest', text: this.navidromeBasePath })
      //       .layoutWeight(1)
      //       .maxLines(1)
      //       .onChange((value: string) => {
      //         this.navidromeBasePath = this.normalizeNavidromeBasePath(value);
      //         this.navBasePathCustomized = true;
      //       });
      //   }
      //   .alignItems(VerticalAlign.Center);
      //   this.buildHelperText('Navidrome/Subsonic REST 前缀，默认 /rest，可填 /navidrome/rest 等路径')
      // }

      // 文件目录
      Row({ space: 8 }) {
        Text('文件目录')
          .fontSize(14)
          .fontColor($r('app.color.index_tab_font_color'));
        TextInput({ placeholder: '远程目录', text: this.filepath })
          .layoutWeight(1)
          .maxLines(1)
          .onChange((value: string) => {
            this.filepath = value;
          });
      }
      .alignItems(VerticalAlign.Center)
      .visibility(this.driveType === RemoteDriveType.Navidrome || this.driveType === RemoteDriveType.Jellyfin || this.driveType === RemoteDriveType.Emby
        ? Visibility.None
        : Visibility.Visible)
      // this.buildHelperText('从共享根开始的路径，例如 /music 或 /音乐/歌单1')

      Row({ space: 8 }) {
        Text('用户名')
          .fontSize(14)
          .fontColor($r('app.color.index_tab_font_color'));
        TextInput({ placeholder: '请输入用户名', text: this.username })
          .layoutWeight(1)
          .maxLines(1)
          .onChange((value: string) => {
            this.username = value;
          });
      }
      .alignItems(VerticalAlign.Center);

      Row({ space: 8 }) {
        Text('密码')
          .fontSize(14)
          .fontColor($r('app.color.index_tab_font_color'));
        TextInput({ placeholder: '请输入密码', text: this.password })
          .type(InputType.Password)
          .layoutWeight(1)
          .maxLines(2)
          .onChange((value: string) => {
            this.password = value;
          });
      }
      .alignItems(VerticalAlign.Center);

      if (this.driveType === RemoteDriveType.WebDav || this.driveType === RemoteDriveType.Jellyfin || this.driveType === RemoteDriveType.Emby) {
        Row({ space: 12 }) {
          Text('启用HTTPS')
            .fontSize(14)
            .fontColor($r('app.color.index_tab_font_color'));
          Toggle({ type: ToggleType.Switch, isOn: this.enableHttps })
            .selectedColor(this.themeColor)
            .onChange((isOn: boolean) => {
              this.enableHttps = isOn;
              if (!this.portCustomized &&
                (this.driveType === RemoteDriveType.WebDav || this.driveType === RemoteDriveType.Jellyfin || this.driveType === RemoteDriveType.Emby)) {
                this.updatePortState(this.getDefaultPort(), false);
              }
            });
        }
        .width('100%')
        .justifyContent(FlexAlign.SpaceBetween)
        .alignItems(VerticalAlign.Center);
      }

      } // end non-baidu section

      // 按钮
      Row({ space: 12 }) {
        Button('取消', { type: ButtonType.Capsule })
          .backgroundColor($r('app.color.cancel_button_background'))
          .fontColor($r('app.color.cancel_button_text'))
          .layoutWeight(1)
          .onClick(() => {
            this.onCancel?.();
          });

        Button(this.isEditMode ? '保存' : '添加', { type: ButtonType.Capsule })
          .backgroundColor(this.themeColor)
          .layoutWeight(1)
          .onClick(() => {
            const needHost = this.driveType !== RemoteDriveType.Baidu;
            if (!this.accountName || (needHost && !this.host)) {
              ToastUtil.showToast('请填写账户名称和服务器地址');
              return;
            }
            if (this.driveType === RemoteDriveType.Baidu && !this.baiduAccessToken) {
              ToastUtil.showToast('请先完成百度网盘授权');
              return;
            }

            const updatedAccount = new WebDavAccount();
            if (this.isEditMode) {
              updatedAccount.id = this.account.id;
            }
            updatedAccount.name = this.accountName;
            updatedAccount.host = this.driveType === RemoteDriveType.Baidu ? 'pan.baidu.com' : this.host;
            updatedAccount.port = this.driveType === RemoteDriveType.Baidu ? 443 : this.port;
            updatedAccount.filepath = this.filepath;
            updatedAccount.account = this.driveType === RemoteDriveType.Baidu ? '' : this.username;
            updatedAccount.password = this.driveType === RemoteDriveType.Baidu ? '' : this.password;
            updatedAccount.enableHttps = this.enableHttps;
            updatedAccount.coverPath = this.coverPath;
            updatedAccount.isActivate = true;
            updatedAccount.localHost = '';
            updatedAccount.isUseLocalHost = false;
            updatedAccount.lyricFilePath = '';
            updatedAccount.uploadFilePath = '';
            updatedAccount.imageFilePath = '';
            updatedAccount.webType = this.driveType;
            updatedAccount.smbShare = this.shareName;
            updatedAccount.smbDomain = this.domain;
            updatedAccount.navidromeBasePath = this.normalizeNavidromeBasePath(this.navidromeBasePath);
            updatedAccount.jellyfinBasePath = this.normalizeJellyfinBasePath(this.jellyfinBasePath);
            updatedAccount.embyBasePath = this.normalizeEmbyBasePath(this.embyBasePath);
            updatedAccount.ftpEncoding = this.ftpEncoding && this.ftpEncoding.length > 0 ? this.ftpEncoding : 'utf-8';
            updatedAccount.baiduAccessToken = this.baiduAccessToken;
            updatedAccount.baiduRefreshToken = this.baiduRefreshToken;
            updatedAccount.baiduTokenExpiresAt = this.baiduTokenExpiresAt;
            this.onConfirm?.(updatedAccount);

          });
      }
      .width('100%')
      .margin({ top: 8 });
    }
    .padding(24)
    .width('90%')
    .borderRadius(16);
  }

  @Builder
  private buildTypeSelector() {
    Column({ space: 8 }) {
      Text('协议类型')
        .fontSize(14)
        .fontColor($r('app.color.index_tab_font_color'))
        .fontWeight(FontWeight.Medium)
        .alignSelf(ItemAlign.Start);
      Row({ space: 12 }) {
        this.buildTypeButton('WebDAV', RemoteDriveType.WebDav);
        this.buildTypeButton('SMB', RemoteDriveType.Smb);
        this.buildTypeButton('Navidrome', RemoteDriveType.Navidrome);
        this.buildTypeButton('Jellyfin', RemoteDriveType.Jellyfin);
        this.buildTypeButton('Emby', RemoteDriveType.Emby);
        this.buildTypeButton('FTP', RemoteDriveType.Ftp);
        this.buildTypeButton('百度网盘', RemoteDriveType.Baidu);
      }
      .width('100%');
    }
    .width('100%');
  }

  @Builder
  private buildTypeButton(label: string, type: RemoteDriveType) {
    Button(label)
      .type(ButtonType.Capsule)
      .backgroundColor(this.driveType === type ? this.themeColor : (this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background')))
      .fontColor(this.driveType === type ? Color.White : $r('app.color.index_tab_font_color'))
      .onClick(() => {
        this.handleDriveTypeChange(type);
      });
  }

  private handleDriveTypeChange(type: RemoteDriveType, forceApply: boolean = false) {
    const changed = this.driveType !== type;
    if (!changed && !forceApply) {
      return;
    }
    if (this.driveType === RemoteDriveType.Baidu && type !== RemoteDriveType.Baidu) {
      this.closeBaiduAuthDialog();
    }
    this.driveType = type;
    if (type === RemoteDriveType.Smb || type === RemoteDriveType.Ftp) {
      this.enableHttps = false;
    }
    this.applyTypeDefaults(type, true);
  }

  private applyTypeDefaults(type: RemoteDriveType, forcePort: boolean = false) {
    if (!this.nameCustomized) {
      this.accountName = this.getDefaultAccountName(type);
    }
    if (type === RemoteDriveType.Navidrome && !this.navBasePathCustomized) {
      this.navidromeBasePath = '/rest';
    }
    if (type === RemoteDriveType.Jellyfin && !this.jellyfinBasePathCustomized) {
      this.jellyfinBasePath = '';
    }
    if (type === RemoteDriveType.Emby && !this.embyBasePathCustomized) {
      this.embyBasePath = '';
    }
    if ((type === RemoteDriveType.Jellyfin || type === RemoteDriveType.Emby) && (!this.filepath || this.filepath.length === 0)) {
      this.filepath = '/';
    }
    if (type === RemoteDriveType.Ftp && (!this.ftpEncoding || this.ftpEncoding.length === 0)) {
      this.ftpEncoding = 'utf-8';
    }
    if (type === RemoteDriveType.Baidu) {
      this.enableHttps = true;
      this.host = 'pan.baidu.com';
      this.username = '';
      this.password = '';
      this.shareName = '';
      this.domain = '';
      if (!this.filepath || this.filepath.length === 0) {
        this.filepath = '/';
      }
    }
    this.updatePortForType(type, forcePort);
  }

  private updatePortForType(type: RemoteDriveType, force: boolean = false) {
    if (!force && this.portCustomized) {
      return;
    }
    this.updatePortState(this.getDefaultPort(), false);
  }

  private getDefaultAccountName(type: RemoteDriveType): string {
    switch (type) {
      case RemoteDriveType.Smb:
        return '新建SMB';
      case RemoteDriveType.Navidrome:
        return '新建Navidrome';
      case RemoteDriveType.Jellyfin:
        return '新建Jellyfin';
      case RemoteDriveType.Emby:
        return '新建Emby';
      case RemoteDriveType.Ftp:
        return '新建FTP';
      case RemoteDriveType.Baidu:
        return '百度网盘';
      default:
        return '新建WebDAV';
    }
  }

  private getServerLabel(): string {
    return '服务器';
  }

  private getServerHint(): string {
    switch (this.driveType) {
      case RemoteDriveType.Smb:
        return '支持 smb://user:pass@host/share 输入，自动拆分账户、共享、路径';
      case RemoteDriveType.Navidrome:
        return '可粘贴 Navidrome/Subsonic 连接（如 https://user:pass@host:4533/rest），自动填充参数';
      case RemoteDriveType.Jellyfin:
        return '可粘贴 Jellyfin 连接（如 https://user:pass@host:8096/jellyfin），自动填充参数';
      case RemoteDriveType.Emby:
        return '可粘贴 Emby 连接（如 https://user:pass@host:8096/emby），自动填充参数';
      case RemoteDriveType.Ftp:
        return '支持 ftp://user:pass@host:21/path 输入，自动填充账户和目录';
      case RemoteDriveType.Baidu:
        return '百度网盘无需服务器地址，请使用下方按钮完成授权';
      default:
        return '支持 https://user:pass@host:port/path WebDAV 连接串，自动填充账户、端口和目录';
    }
  }

  private getPortPlaceholder(): string {
    return `默认: ${this.getDefaultPort()}`;
  }

  private getDefaultPort(): number {
    if (this.driveType === RemoteDriveType.Smb) {
      return 445;
    }
    if (this.driveType === RemoteDriveType.Navidrome) {
      return this.enableHttps ? 443 : 4533;
    }
    if (this.driveType === RemoteDriveType.Jellyfin) {
      return this.enableHttps ? 8920 : 8096;
    }
    if (this.driveType === RemoteDriveType.Emby) {
      return this.enableHttps ? 8920 : 8096;
    }
    if (this.driveType === RemoteDriveType.Ftp) {
      return 21;
    }
    if (this.driveType === RemoteDriveType.Baidu) {
      return 443;
    }
    return this.enableHttps ? 443 : 5005;
  }

  private updatePortState(value: number, customized: boolean, syncInput: boolean = true) {
    this.port = value;
    this.portCustomized = customized;
    if (syncInput) {
      this.portInput = value > 0 ? value.toString() : '';
    }
  }

  @Builder
  private buildHelperText(text: string) {
    if (text && text.trim().length > 0) {
      Text(text)
        .fontSize(12)
        .fontColor(this.isDarkMode ? '#8E8E93' : '#999999')
        .opacity(0.9)
        .alignSelf(ItemAlign.Start)
    }
  }

  @Builder
  private buildFileDirectoryRow() {
    Row({ space: 8 }) {
      Text('文件目录')
        .fontSize(14)
        .fontColor($r('app.color.index_tab_font_color'));
      TextInput({ placeholder: '远程目录', text: this.filepath })
        .layoutWeight(1)
        .maxLines(1)
        .onChange((value: string) => {
          this.filepath = value;
        });
    }
    .alignItems(VerticalAlign.Center);
  }

  private tryParseConnectionString(input: string): boolean {
    const parsed = this.parseConnectionString(input);
    if (!parsed) {
      return false;
    }
    const protocol = parsed.protocol.toLowerCase();
    if (protocol === 'smb' || protocol === 'cifs') {
      if (this.driveType !== RemoteDriveType.Smb) {
        this.handleDriveTypeChange(RemoteDriveType.Smb);
      }
      this.applyParsedSmb(parsed);
      ToastUtil.showToast('已解析 SMB 连接');
      return true;
    }
    if (protocol === 'http' || protocol === 'https') {
      if (Number(this.driveType) === RemoteDriveType.Jellyfin) {
        this.applyParsedJellyfin(parsed);
        ToastUtil.showToast('已解析 Jellyfin 连接');
        return true;
      }
      if (Number(this.driveType) === RemoteDriveType.Emby) {
        this.applyParsedEmby(parsed);
        ToastUtil.showToast('已解析 Emby 连接');
        return true;
      }
      if (Number(this.driveType) === RemoteDriveType.Navidrome) {
        this.applyParsedNavidrome(parsed);
        ToastUtil.showToast('已解析 Navidrome 连接');
        return true;
      }
      const looksNav = this.guessNavidromePath(parsed.path);
      if (looksNav) {
        if (Number(this.driveType) !== RemoteDriveType.Navidrome) {
          this.handleDriveTypeChange(RemoteDriveType.Navidrome);
        }
        this.applyParsedNavidrome(parsed);
        ToastUtil.showToast('已解析 Navidrome 连接');
        return true;
      }
      const looksJellyfin = this.guessJellyfinPath(parsed.path);
      if (looksJellyfin) {
        if (Number(this.driveType) !== RemoteDriveType.Jellyfin) {
          this.handleDriveTypeChange(RemoteDriveType.Jellyfin);
        }
        this.applyParsedJellyfin(parsed);
        ToastUtil.showToast('已解析 Jellyfin 连接');
        return true;
      }
      const looksEmby = this.guessEmbyPath(parsed.path);
      if (looksEmby) {
        if (Number(this.driveType) !== RemoteDriveType.Emby) {
          this.handleDriveTypeChange(RemoteDriveType.Emby);
        }
        this.applyParsedEmby(parsed);
        ToastUtil.showToast('已解析 Emby 连接');
        return true;
      }
      if (this.driveType !== RemoteDriveType.WebDav) {
        this.handleDriveTypeChange(RemoteDriveType.WebDav);
      }
      this.applyParsedWebDav(parsed);
      ToastUtil.showToast('已解析 WebDAV 连接');
      return true;
    }
    if (protocol === 'ftp' || protocol === 'ftps') {
      if (this.driveType !== RemoteDriveType.Ftp) {
        this.handleDriveTypeChange(RemoteDriveType.Ftp);
      }
      this.applyParsedFtp(parsed);
      ToastUtil.showToast('已解析 FTP 连接');
      return true;
    }
    return false;
  }

  private applyParsedWebDav(parsed: ParsedConnectionParts): void {
    this.enableHttps = parsed.protocol === 'https';
    this.host = parsed.host;
    if (parsed.port) {
      this.updatePortState(parsed.port, true);
    } else {
      this.updatePortForType(RemoteDriveType.WebDav, true);
    }
    if (parsed.username) {
      this.username = parsed.username;
    }
    if (parsed.password) {
      this.password = parsed.password;
    }
    this.filepath = parsed.path?.length ? parsed.path : '/';
  }

  private applyParsedSmb(parsed: ParsedConnectionParts): void {
    this.host = parsed.host;
    if (parsed.port) {
      this.updatePortState(parsed.port, true);
    } else {
      this.updatePortForType(RemoteDriveType.Smb, true);
    }
    if (parsed.username) {
      this.username = parsed.username;
    }
    if (parsed.password) {
      this.password = parsed.password;
    }
    const segments = parsed.path?.replace(/^\/+/, '').split('/') ?? [];
    this.shareName = segments.length > 0 && segments[0].length > 0 ? segments[0] : this.shareName;
    const relative = segments.length > 1 ? segments.slice(1).join('/') : '';
    this.filepath = relative ? `/${relative}` : '/';
  }

  private applyParsedNavidrome(parsed: ParsedConnectionParts): void {
    this.enableHttps = parsed.protocol === 'https';
    this.host = parsed.host;
    if (parsed.port) {
      this.updatePortState(parsed.port, true);
    } else {
      this.updatePortForType(RemoteDriveType.Navidrome, true);
    }
    if (parsed.username) {
      this.username = parsed.username;
    }
    if (parsed.password) {
      this.password = parsed.password;
    }
    this.navidromeBasePath = this.normalizeNavidromeBasePath(parsed.path ?? this.navidromeBasePath);
    this.navBasePathCustomized = true;
    this.filepath = '/';
  }

  private applyParsedJellyfin(parsed: ParsedConnectionParts): void {
    this.enableHttps = parsed.protocol === 'https';
    this.host = parsed.host;
    if (parsed.port) {
      this.updatePortState(parsed.port, true);
    } else {
      this.updatePortForType(RemoteDriveType.Jellyfin, true);
    }
    if (parsed.username) {
      this.username = parsed.username;
    }
    if (parsed.password) {
      this.password = parsed.password;
    }
    this.jellyfinBasePath = this.normalizeJellyfinBasePath(parsed.path ?? this.jellyfinBasePath);
    this.jellyfinBasePathCustomized = true;
    this.filepath = '/';
  }

  private applyParsedEmby(parsed: ParsedConnectionParts): void {
    this.enableHttps = parsed.protocol === 'https';
    this.host = parsed.host;
    if (parsed.port) {
      this.updatePortState(parsed.port, true);
    } else {
      this.updatePortForType(RemoteDriveType.Emby, true);
    }
    if (parsed.username) {
      this.username = parsed.username;
    }
    if (parsed.password) {
      this.password = parsed.password;
    }
    this.embyBasePath = this.normalizeEmbyBasePath(parsed.path ?? this.embyBasePath);
    this.embyBasePathCustomized = true;
    this.filepath = '/';
  }

  private applyParsedFtp(parsed: ParsedConnectionParts): void {
    this.enableHttps = false;
    this.host = parsed.host;
    if (parsed.port) {
      this.updatePortState(parsed.port, true);
    } else {
      this.updatePortForType(RemoteDriveType.Ftp, true);
    }
    if (parsed.username) {
      this.username = parsed.username;
    }
    if (parsed.password) {
      this.password = parsed.password;
    }
    this.filepath = parsed.path && parsed.path.length > 0 ? parsed.path : '/';
  }

  private guessNavidromePath(path?: string): boolean {
    if (!path) {
      return false;
    }
    const lower = path.toLowerCase();
    return lower.includes('/rest') || lower.includes('navidrome');
  }

  private guessJellyfinPath(path?: string): boolean {
    if (!path) {
      return false;
    }
    return path.toLowerCase().includes('jellyfin');
  }

  private guessEmbyPath(path?: string): boolean {
    if (!path) {
      return false;
    }
    return path.toLowerCase().includes('emby');
  }

  private normalizeNavidromeBasePath(value: string): string {
    if (!value || value.trim().length === 0) {
      return '/rest';
    }
    let normalized = value.trim();
    if (!normalized.startsWith('/')) {
      normalized = `/${normalized}`;
    }
    if (normalized.length > 1 && normalized.endsWith('/')) {
      normalized = normalized.slice(0, -1);
    }
    return normalized.length === 0 ? '/rest' : normalized;
  }

  private normalizeJellyfinBasePath(value: string): string {
    if (!value || value.trim().length === 0) {
      return '';
    }
    let normalized = value.trim();
    if (!normalized.startsWith('/')) {
      normalized = `/${normalized}`;
    }
    if (normalized.length > 1 && normalized.endsWith('/')) {
      normalized = normalized.slice(0, -1);
    }
    return normalized === '/' ? '' : normalized;
  }

  private normalizeEmbyBasePath(value: string): string {
    if (!value || value.trim().length === 0) {
      return '';
    }
    let normalized = value.trim();
    if (!normalized.startsWith('/')) {
      normalized = `/${normalized}`;
    }
    if (normalized.length > 1 && normalized.endsWith('/')) {
      normalized = normalized.slice(0, -1);
    }
    return normalized === '/' ? '' : normalized;
  }

  private parseConnectionString(input: string): ParsedConnectionParts | null {
    const pattern = /^([a-z][a-z0-9+\-.]*):\/\/(?:([^:@\/]+)(?::([^@\/]*))?@)?([^\/:]+)(?::(\d+))?(\/.*)?$/i;
    const match = input.match(pattern);
    if (!match) {
      Logger.warn('heanup RemoteDriveAccountDialog', `连接字符串解析失败: ${input}`);
      return null;
    }
    const protocol = match[1].toLowerCase();
    const username = match[2] ? this.safeDecode(match[2]) : undefined;
    const password = match[3] ? this.safeDecode(match[3]) : undefined;
    const host = match[4];
    const port = match[5] ? Number(match[5]) : undefined;
    const path = match[6] && match[6].length > 0 ? match[6] : undefined;
    return { protocol, username, password, host, port, path };
  }

  private safeDecode(value: string): string {
    try {
      return decodeURIComponent(value);
    } catch (_error) {
      return value;
    }
  }

  @Builder
  private buildBaiduAuthSection() {
    Column({ space: 12 }) {
      Text('百度账号授权')
        .fontSize(14)
        .fontWeight(FontWeight.Medium)
        .fontColor($r('app.color.index_tab_font_color'))
        .alignSelf(ItemAlign.Start);

      Row({ space: 8 }) {
        Button('扫码授权')
          .type(ButtonType.Capsule)
          .backgroundColor(this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background'))
          .fontColor($r('app.color.index_tab_font_color'))
          .onClick(() => {
            this.handleBaiduDeviceAuthorize();
          });
        Button('打开百度授权页')
          .type(ButtonType.Capsule)
          .backgroundColor(this.themeColor)
          .fontColor(Color.White)
          .onClick(() => {
            this.handleBaiduImplicitAuthorize();
          });
        if (this.baiduAccessToken) {
          Button('清除授权')
            .type(ButtonType.Capsule)
            .backgroundColor(this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background'))
            .fontColor($r('app.color.index_tab_font_color'))
            .onClick(() => {
              this.baiduAccessToken = '';
              this.baiduRefreshToken = '';
              this.baiduTokenExpiresAt = 0;
              this.baiduAuthStatus = '已清除授权信息';
              this.closeBaiduAuthDialog();
            });
        }
      }

      Text('可扫码授权或打开百度网盘授权网页，请登录并允许访问网盘文件。')
        .fontSize(13)
        .fontColor(this.isDarkMode ? '#C7C7CC' : '#666666')
        .maxLines(2);

      if (this.baiduAuthStatus) {
        Text(this.baiduAuthStatus)
          .fontSize(13)
          .fontColor(this.isDarkMode ? '#EBEBF5' : '#666666')
          .maxLines(2);
      }

      if (this.baiduAccessToken) {
        Text(`已获取 Access Token，${this.baiduTokenExpiresAt > 0 ? `将在 ${this.getBaiduExpireText()} 过期` : '有效期未知'}`)
          .fontSize(13)
          .fontColor(this.isDarkMode ? '#EBEBF5' : '#666666');
      }
    }
    .width('100%');
  }

  @Builder
  private buildBaiduAuthDialogOverlay() {
    Stack() {
      Column()
        .width('100%')
        .height('100%')
        .backgroundColor('rgba(0,0,0,0.5)')
        .onClick(() => {
          this.closeBaiduAuthDialog();
        });

      Column({ space: 8 }) {
        Row() {
          Text('百度网盘授权')
            .fontSize(16)
            .fontWeight(FontWeight.Medium)
            .fontColor(this.isDarkMode ? Color.White : Color.Black);
          Text('关闭')
            .fontSize(14)
            .fontColor(this.themeColor)
            .onClick(() => {
              this.closeBaiduAuthDialog();
            });
        }
        .width('100%')
        .justifyContent(FlexAlign.SpaceBetween)
        .alignItems(VerticalAlign.Center)
        .padding({ bottom: 4 });

        this.buildBaiduAuthModeSwitch();

        Divider()
          .color(this.isDarkMode ? '#3A3A3C' : '#E5E5EA');

        if (this.baiduAuthMode === 'device') {
          this.buildBaiduDeviceAuthContent();
        } else {
          if (this.baiduAuthProgress > 0 && this.baiduAuthProgress < 100) {
            Text(`页面加载中 ${this.baiduAuthProgress}%`)
              .fontSize(12)
              .fontColor(this.isDarkMode ? '#C7C7CC' : '#666666');
          }

          Web({
            src: this.baiduAuthorizeUrl,
            controller: this.baiduWebController
          })
            .layoutWeight(1)
            .width('100%')
            .javaScriptAccess(true)
            .domStorageAccess(true)
            .onPageEnd((event) => {
              if (event && event.url) {
                this.handleBaiduAuthNavigation(event.url);
              }
            })
            .onProgressChange((event) => {
              if (event) {
                this.baiduAuthProgress = event.newProgress;
              }
            });
        }
      }
      .width('92%')
      .height('85%')
      .padding(16)
      .backgroundColor(this.isDarkMode ? '#1C1C1E' : Color.White)
      .borderRadius(16);
    }
    .width('100%')
    .height('100%');
  }

  @Builder
  private buildBaiduAuthModeSwitch() {
    Row({ space: 8 }) {
      this.buildBaiduAuthModeChip('网页登录', 'web');
      this.buildBaiduAuthModeChip('扫码登录', 'device');
    }
    .width('100%')
    .padding({ top: 4, bottom: 4 });
  }

  @Builder
  private buildBaiduAuthModeChip(label: string, mode: 'web' | 'device') {
    Button(label)
      .type(ButtonType.Capsule)
      .backgroundColor(this.baiduAuthMode === mode ? this.themeColor : (this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background')))
      .fontColor(this.baiduAuthMode === mode ? Color.White : $r('app.color.index_tab_font_color'))
      .onClick(() => {
        this.switchBaiduAuthMode(mode);
      });
  }

  @Builder
  private buildBaiduDeviceAuthContent() {
    Column({ space: 12 }) {
      if (this.baiduDeviceQrUrl) {
        Image(this.baiduDeviceQrUrl)
          .width(220)
          .height(220)
          .borderRadius(12)
          .objectFit(ImageFit.Contain)
          .alignSelf(ItemAlign.Center);
      } else {
        Column() {
          Text('正在获取二维码...')
            .fontColor(this.isDarkMode ? '#C7C7CC' : '#666666');
        }
        .width(220)
        .height(220)
        .alignSelf(ItemAlign.Center)
        .backgroundColor(this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background'))
        .borderRadius(12)
        .justifyContent(FlexAlign.Center)
        .alignItems(HorizontalAlign.Center);
      }

      if (this.baiduDeviceUserCode) {
        Text(`设备码: ${this.baiduDeviceUserCode}`)
          .fontSize(14)
          .fontWeight(FontWeight.Medium)
          .fontColor($r('app.color.index_tab_font_color'));
      }
      if (this.baiduDeviceVerifyUrl) {
        Text(`或在浏览器访问 ${this.baiduDeviceVerifyUrl} 输入设备码完成授权`)
          .fontSize(12)
          .fontColor(this.isDarkMode ? '#C7C7CC' : '#666666')
          .maxLines(2);
      }
      if (this.baiduDeviceExpireAt) {
        Text(`二维码将于 ${this.getBaiduDeviceRemainText()} 过期`)
          .fontSize(12)
          .fontColor(this.isDarkMode ? '#C7C7CC' : '#666666');
      }
      if (this.baiduAuthStatus) {
        Text(this.baiduAuthStatus)
          .fontSize(13)
          .fontColor(this.isDarkMode ? '#EBEBF5' : '#666666')
          .maxLines(2);
      }

      Row({ space: 12 }) {
        Button('刷新二维码')
          .type(ButtonType.Capsule)
          .backgroundColor(this.themeColor)
          .fontColor(Color.White)
          .onClick(() => {
            this.handleBaiduDeviceAuthorize();
          });
        Button('改用网页登录')
          .type(ButtonType.Capsule)
          .backgroundColor(this.isDarkMode ? '#2C2C2E' : $r('app.color.input_background'))
          .fontColor($r('app.color.index_tab_font_color'))
          .onClick(() => {
            this.handleBaiduImplicitAuthorize();
          });
      }
      .width('100%')
      .justifyContent(FlexAlign.Start);
    }
    .layoutWeight(1)
    .width('100%');
  }

  private getBaiduExpireText(): string {
    if (!this.baiduTokenExpiresAt) {
      return '';
    }
    const remain = Math.max(0, this.baiduTokenExpiresAt - Date.now());
    const hours = Math.floor(remain / 3600000);
    const minutes = Math.floor((remain % 3600000) / 60000);
    return hours > 0 ? `${hours}小时${minutes}分后` : `${minutes}分钟后`;
  }

  private switchBaiduAuthMode(mode: 'web' | 'device'): void {
    if (mode === this.baiduAuthMode && this.showBaiduAuthDialog) {
      return;
    }
    if (mode === 'device') {
      this.handleBaiduDeviceAuthorize();
    } else {
      this.handleBaiduImplicitAuthorize();
    }
  }

  private async handleBaiduDeviceAuthorize(): Promise<void> {
    this.stopBaiduDevicePolling();
    this.baiduAuthMode = 'device';
    this.resetBaiduDeviceState(false);
    this.baiduAuthorizeUrl = '';
    this.baiduAuthProgress = 0;
    this.baiduAuthStateToken = '';
    this.baiduAuthStatus = '正在获取扫码授权信息...';
    try {
      const codeInfo = await requestBaiduDeviceCode();
      this.baiduDeviceCode = codeInfo.device_code;
      this.baiduDeviceUserCode = codeInfo.user_code;
      this.baiduDeviceVerifyUrl = codeInfo.verification_url;
      this.baiduDeviceQrUrl = codeInfo.qrcode_url ?? '';
      this.baiduDeviceExpireAt = Date.now() + (codeInfo.expires_in ?? 0) * 1000;
      this.baiduDeviceInterval = Math.max(3, codeInfo.interval ?? 5);
      this.baiduAuthStatus = '请在百度网盘App中扫码确认或输入设备码授权';
      this.showBaiduAuthDialog = true;
      this.startBaiduDevicePolling();
    } catch (error) {
      const message = (error as Error).message ?? '请求失败';
      this.baiduAuthStatus = `获取设备码失败: ${message}`;
      ToastUtil.showToast('获取百度扫码授权失败');
    }
  }

  private startBaiduDevicePolling(): void {
    this.stopBaiduDevicePolling();
    if (!this.baiduDeviceCode) {
      return;
    }
    const intervalMs = Math.max(3000, this.baiduDeviceInterval * 1000);
    this.baiduDevicePollTimer = setInterval(() => {
      this.queryBaiduDeviceToken();
    }, intervalMs) as number;
  }

  private stopBaiduDevicePolling(): void {
    if (this.baiduDevicePollTimer) {
      clearInterval(this.baiduDevicePollTimer);
      this.baiduDevicePollTimer = 0;
    }
    this.baiduDevicePolling = false;
  }

  private async queryBaiduDeviceToken(): Promise<void> {
    if (!this.baiduDeviceCode || this.baiduDevicePolling) {
      return;
    }
    this.baiduDevicePolling = true;
    try {
      const result: BaiduDeviceTokenResult = await pollBaiduDeviceToken(this.baiduDeviceCode);
      const tokenResult = result as BaiduTokenResultShape;
      if (tokenResult.access_token !== undefined && tokenResult.access_token.length > 0) {
        this.baiduAccessToken = tokenResult.access_token;
        this.baiduRefreshToken = tokenResult.refresh_token ?? '';
        this.baiduTokenExpiresAt = tokenResult.expires_in ? Date.now() + tokenResult.expires_in * 1000 : 0;
        this.baiduAuthStatus = '授权成功，可保存账户';
        ToastUtil.showToast('百度授权成功');
        this.closeBaiduAuthDialog();
        return;
      }
      const errorResult = result as BaiduTokenResultShape;
      if (errorResult.error === undefined) {
        return;
      }
      switch (errorResult.error) {
        case 'authorization_pending':
          this.baiduAuthStatus = '请在百度网盘App扫码并确认';
          break;
        case 'slow_down':
          this.baiduAuthStatus = '请求过于频繁，稍后自动重试';
          this.baiduDeviceInterval += 2;
          this.startBaiduDevicePolling();
          break;
        case 'expired_token':
        case 'invalid_grant':
          this.baiduAuthStatus = '二维码已过期，请刷新重新扫码';
          this.stopBaiduDevicePolling();
          break;
        default:
          this.baiduAuthStatus = `授权失败: ${errorResult.error_description ?? errorResult.error}`;
          this.stopBaiduDevicePolling();
          break;
      }
    } catch (error) {
      const message = (error as Error).message ?? '未知错误';
      this.baiduAuthStatus = `授权轮询失败: ${message}`;
    } finally {
      this.baiduDevicePolling = false;
    }
  }

  private getBaiduDeviceRemainText(): string {
    if (!this.baiduDeviceExpireAt) {
      return '稍后';
    }
    const remain = Math.max(0, this.baiduDeviceExpireAt - Date.now());
    const minutes = Math.floor(remain / 60000);
    const seconds = Math.floor((remain % 60000) / 1000);
    return minutes > 0 ? `${minutes}分${seconds}秒后` : `${seconds}秒后`;
  }

  private resetBaiduDeviceState(resetMode: boolean = true): void {
    if (resetMode) {
      this.baiduAuthMode = 'web';
    }
    this.baiduDeviceCode = '';
    this.baiduDeviceUserCode = '';
    this.baiduDeviceVerifyUrl = '';
    this.baiduDeviceQrUrl = '';
    this.baiduDeviceExpireAt = 0;
    this.baiduDeviceInterval = 5;
    this.baiduDevicePolling = false;
  }

  private handleBaiduImplicitAuthorize(): void {
    this.stopBaiduDevicePolling();
    this.resetBaiduDeviceState(false);
    this.baiduAuthMode = 'web';
    this.baiduAuthStatus = '正在打开百度授权页面...';
    this.baiduAuthStateToken = `${Date.now()}`;
    this.baiduAuthProgress = 0;
    this.baiduAuthorizeUrl = this.buildBaiduAuthorizeUrl(this.baiduAuthStateToken);
    this.showBaiduAuthDialog = true;
  }

  private closeBaiduAuthDialog(): void {
    this.showBaiduAuthDialog = false;
    this.baiduAuthorizeUrl = '';
    this.baiduAuthProgress = 0;
    this.baiduAuthStateToken = '';
    this.stopBaiduDevicePolling();
    this.resetBaiduDeviceState();
  }

  private buildBaiduAuthorizeUrl(state: string): string {
    const params = [
      `response_type=token`,
      `client_id=${encodeURIComponent(BaiduConstants.APP_KEY)}`,
      `redirect_uri=${encodeURIComponent(BaiduConstants.OOB_REDIRECT_PARAM)}`,
      `scope=${encodeURIComponent(BaiduConstants.AUTH_SCOPE)}`,
      `display=mobile`,
      `state=${encodeURIComponent(state)}`
    ];
    return `${BaiduConstants.AUTHORIZE_URL}?${params.join('&')}`;
  }

  private handleBaiduAuthNavigation(url: string): void {
    if (!url) {
      return;
    }
    const loginSuccessHttps = BaiduConstants.LOGIN_SUCCESS_URL.replace('http://', 'https://');
    if (!url.startsWith(BaiduConstants.LOGIN_SUCCESS_URL) && !url.startsWith(loginSuccessHttps)) {
      return;
    }
    const fragmentIndex = url.indexOf('#');
    const fragment = fragmentIndex >= 0 ? url.substring(fragmentIndex + 1) : '';
    if (!fragment) {
      return;
    }
    const params = this.parseAuthFragment(fragment);
    const responseState = params.get('state') ?? '';
    if (this.baiduAuthStateToken && responseState && responseState !== this.baiduAuthStateToken) {
      this.baiduAuthStatus = '授权状态校验失败，请重试';
      this.closeBaiduAuthDialog();
      return;
    }
    const error = params.get('error');
    if (error) {
      const description = params.get('error_description') ?? error;
      this.baiduAuthStatus = `授权失败: ${description}`;
      this.closeBaiduAuthDialog();
      return;
    }
    const accessToken = params.get('access_token');
    if (!accessToken) {
      return;
    }
    const expiresIn = Number(params.get('expires_in') ?? '0');
    this.baiduAccessToken = accessToken;
    this.baiduRefreshToken = '';
    this.baiduTokenExpiresAt = expiresIn > 0 ? Date.now() + expiresIn * 1000 : 0;
    this.baiduAuthStatus = '授权成功，可保存账户';
    ToastUtil.showToast('百度授权成功');
    this.closeBaiduAuthDialog();
  }

  private parseAuthFragment(fragment: string): Map<string, string> {
    const params = new Map<string, string>();
    const pairs = fragment.split('&');
    for (let i = 0; i < pairs.length; i++) {
      const pair = pairs[i];
      if (!pair || pair.length === 0) {
        continue;
      }
      const separator = pair.indexOf('=');
      const key = separator >= 0 ? pair.substring(0, separator) : pair;
      const value = separator >= 0 ? pair.substring(separator + 1) : '';
      params.set(decodeURIComponent(key), decodeURIComponent(value));
    }
    return params;
  }

  /**
   * 处理选择封面
   */
  private async handleSelectCover() {
    try {
      // 需要获取上下文，这里通过全局上下文获取
      const context = getContext(this) as Context
      if (!context) {
        ToastUtil.showToast('获取应用上下文失败')
        return
      }

      const selectedPath = await ImagePickerUtil.selectSingleWebDavCover(context)
      if (selectedPath) {
        // 如果之前有封面，删除旧封面
        if (this.coverPath && this.coverPath !== this.account.coverPath) {
          ImagePickerUtil.deleteImage(this.coverPath)
        }
        this.coverPath = selectedPath
        Logger.info('heanup RemoteDriveAccountDialog', `选择封面成功: ${selectedPath}`)
      }
    } catch (error) {
      Logger.error('heanup RemoteDriveAccountDialog', `选择封面失败: ${(error as Error).message}`)
      ToastUtil.showToast('选择封面失败')
    }
  }

  /**
   * 处理移除封面
   */
  private handleRemoveCover() {
    if (this.coverPath) {
      if(!this.account){
        this.coverPath = ''
        return
      }
      // 只有当封面不是原来的封面时才删除文件
      if (this.coverPath !== this.account.coverPath) {
        ImagePickerUtil.deleteImage(this.coverPath)
      }
      this.coverPath = ''
      Logger.info('heanup RemoteDriveAccountDialog', '移除封面成功')
    }
  }
}

export function getCloudDiskIcon(type: number): ResourceStr {
  switch ( type)
  {
    case RemoteDriveType.WebDav:
      return $r('app.media.webdav');
    case RemoteDriveType.Smb:
      return $r('app.media.smb');
    case RemoteDriveType.Ftp:
      return $r('app.media.ftp');
    case RemoteDriveType.Navidrome:
      return $r('app.media.navidrome');
    case RemoteDriveType.Jellyfin:
      return $r('app.media.jellyfin');
    case RemoteDriveType.Emby:
      return $r('app.media.emby');
    case RemoteDriveType.Baidu:
      return $r('app.media.baiduwp');
    case RemoteDriveType.ALi:
      return $r('app.media.ali_disk');
    case RemoteDriveType.DISK_123:
      return $r('app.media.ali_disk');
  }
  return $r('app.media.cloudDisk');
}