public void DownloadFiles(string donePath, string workPath)
   {
       using (var client = new ImapClient(new ProtocolLogger("imap.log")))
       {
           try
           {
               string password = Properties.Settings.Default.PocztaPassword.Value;
               string username = Properties.Settings.Default.PocztaEmail.Value;
               int days = Convert.ToInt32(Properties.Settings.Default.LastDays.Value) * (-1);

               //int days = 200;


               PreparePocztaRoutingDirectories(donePath, workPath);

               client.Connect("bappress.home.pl", 993, SecureSocketOptions.SslOnConnect);

               client.Authenticate(username, password);

               client.Inbox.Open(FolderAccess.ReadWrite);

               IList<UniqueId> uids = client.Inbox.Search(SearchQuery.MessageContains("@poczta-polska.pl").And(SearchQuery.SentSince(DateTime.Now.AddDays(days))));
               SendMessage(MessageType.Info, "Pobieranie danych z Poczta", false);
               foreach (UniqueId uid in uids)
               {
                   MimeMessage message = client.Inbox.GetMessage(uid);

                   foreach (MimeEntity attachment in message.Attachments)
                   {
                       var fileName = attachment.ContentDisposition?.FileName ?? attachment.ContentType.Name;

                       if (!string.IsNullOrEmpty(fileName))
                       {
                           if (fileName.Contains("WsrWgPna"))
                           {
                               using (Stream stream = File.Create($@"{workPath}\{fileName}"))
                               {
                                   stream.Flush();
                                   stream.Seek(0, SeekOrigin.Begin);

                                   if (attachment is MessagePart rfc822)
                                   {
                                       rfc822.Message.WriteTo(stream);

                                   }
                                   else
                                   {
                                       var part = (MimePart)attachment;

                                       part.Content.DecodeTo(stream);


                                   }

                               }

                               Filename = fileName;
                           }
                           if (fileName.Contains("OdbiorWPunkcie"))
                           {
                               using (Stream stream = File.Create($@"{workPath}\{fileName}"))
                               {
                                   stream.Flush();
                                   stream.Seek(0, SeekOrigin.Begin);

                                   if (attachment is MessagePart)
                                   {
                                       var rfc822 = (MessagePart)attachment;

                                       rfc822.Message.WriteTo(stream);
                                   }
                                   else
                                   {
                                       var part = (MimePart)attachment;

                                       part.Content.DecodeTo(stream);

                                   }
                               }
                               Filename2 = fileName;


                           }

                       }
                   }

               }
              
           
           }
           catch (Exception ex)
           {
               SendMessage(MessageType.Error, ex.Message, false);
           }
           finally
           {
               client.Disconnect(true);
           }
       }   
   }
   
   
   
        public void XLStoCSVConverter(string filename, string workPath)
        {
            try
            {
                Spire.Xls.Workbook workbook = new Spire.Xls.Workbook();
                workbook.LoadFromFile&#40;$@"{workPath}\{filename}"&#41;;
                Spire.Xls.Worksheet sheet = workbook.Worksheets[0];
                sheet.SaveToFile&#40;$@"{workPath}\{filename.Replace(".xls", ".csv"&#41;}", ",", Encoding.UTF8);
            }
            catch (Exception ex)
            {
                SendMessage(MessageType.Error, ex.Message, false);
            }
            

        }