Method parseGroupIdentifier

autorepeat/autorepeat.ts:457–577

(
    client: TelegramClient, 
    message: Api.Message,
    identifier?: string
  )

  ): Promise<{ success: boolean; chatId?: number; title?: string; error?: string }> {
    try {
      // 1. 如果有回复消息，尝试从转发信息中获取
      if (message.replyTo) {
        try {
          const repliedMsg = await safeGetReplyMessage(message);
          if (repliedMsg && repliedMsg.fwdFrom) {
            const fwdChatId = repliedMsg.fwdFrom.fromId;
            if (fwdChatId) {
              const entity: any = await client.getEntity(fwdChatId);
              if (entity.className === 'Chat' || (entity.className === 'Channel' && entity.megagroup)) {
                const chatId = Number(utils.getPeerId(entity));
                return {
                  success: true,
                  chatId: chatId,
                  title: entity.title || `群组 ${chatId}`
                };
              }
            }
          }
        } catch (e) {
          // 继续尝试其他方式
        }
      }

      // 2. 如果没有提供标识符，检查是否在群组中
      if (!identifier) {
        if (message.isGroup || (message.isChannel && !message.isPrivate)) {
          const chatId = Number(message.chatId);
          try {
            const entity: any = await client.getEntity(chatId);
            return {
              success: true,
              chatId: chatId,
              title: entity.title || `群组 ${chatId}`
            };
          } catch (e) {
            return {
              success: true,
              chatId: chatId,
              title: `群组 ${chatId}`
            };
          }
        } else {
          return {
            success: false,
            error: '❌ 请提供群组标识符或在群组中使用此命令\n支持格式:\n• 群组ID: <code>-1001234567890</code>\n• 公开群组: <code>@groupname</code>\n• Telegram链接: <code>https://t.me/groupname</code>\n• 转发消息: 回复来自目标群组的转发消息'
          };
        }
      }

      // 3. 尝试解析为群组ID（负数）
      if (identifier.startsWith('-') && !identifier.startsWith('@')) {
        const chatId = Number(identifier);
        if (!isNaN(chatId)) {
          try {
            const entity: any = await client.getEntity(chatId);
            return {
              success: true,
              chatId: chatId,