Imports System.IO

Public Class uscntr_SendMSG

    Dim recserver As New List(Of String)
    Public recuser As New cTSUser
    Dim msg As String = " {0} /Server:{1} '{2}'" 'Username, Server, Nachricht
    Dim msgfin As String = ""
    Dim SingleUserRec As Boolean = False
    Public RecUsersList As New List(Of cRecUsers)
    Public RecArt As String = ""

    Private Sub uscntr_SendMSG_Load(sender As Object, e As EventArgs) Handles Me.Load
        'txtLabelInfo.Text = ""
        'FillPanWithServer()
        Select Case RecArt
            Case "", "Server"
                FillPanWithServer()
                SelectUniUser()
            Case "User"
                PanServerListe.Controls.Clear()

                For Each u As cRecUsers In RecUsersList
                    '  u.username & vbCrLf
                Next
                FillPanWithUser()
        End Select

    End Sub

    Function FillPanWithServer()
        PanServerListe.Controls.Clear()

        Dim i As Integer = 0
        Dim h As Integer = 0

        For Each Server As String In Class1.TerminalServerList
            If Server Like "TS*" Or Server Like "Term*" Or Server Like "TERM*" Then
                Dim usrcntrl As New uscntr_TSServer
                usrcntrl.btnServer.Text = Server
                usrcntrl.Location = New Point(0, i * usrcntrl.Height)
                i = i + 1
                h = i * usrcntrl.Height
                PanServerListe.Controls.Add(usrcntrl)
                AddHandler usrcntrl.btnServer.Click, Function()
                                                         UpdateSelectedServerList()
                                                     End Function
            End If
        Next


        Me.Height = h + 100
    End Function

    Function FillPanWithUser()
        PanMain.Controls.Clear()
        PanMain.AutoScroll = True

        Dim i As Integer = 0
        Dim h As Integer = 0

        For Each User As cRecUsers In RecUsersList

            Dim usrcntrl As New uscntr_MessageUser
            usrcntrl.Label1.Text = User.userclientpc & " | " & User.username
            usrcntrl.Location = New Point(0, i * usrcntrl.Height)

            PanMain.Controls.Add(usrcntrl)
            AddHandler usrcntrl.btnDelete.Click, Function()
                                                     PanMain.Controls.Remove(usrcntrl)
                                                     RecUsersList.Remove(User)
                                                     ReloadUsers()
                                                 End Function
            i = i + 1
            h = i * usrcntrl.Height
        Next


    End Function

    Function ReloadUsers()
        FillPanWithUser()
    End Function

    Sub UpdateSelectedServerList()
        recserver.Clear()
        For Each uc As uscntr_TSServer In PanServerListe.Controls
            If uc.selected Then
                ' LabelInfo.Text &= uc.btnServer.Text & vbCrLf
                recserver.Add(uc.btnServer.Text)
            End If
        Next
    End Sub

    Private Sub cmdVorschau_Click(sender As Object, e As EventArgs) Handles cmdVorschau.Click
        'If SingleUserRec = True Then
        '    MsgBox("msg" & msgfin)
        'Else
        '    For Each srv As String In recserver
        '        MsgBox(String.Format(msg, "*", srv, TextBox1.Text))
        '    Next
        'End If
        Dim mehmehmeh As String = ""
        For Each uUsersr In RecUsersList
            mehmehmeh &= uUsersr.userclientpc & " | " & uUsersr.username & vbCrLf
        Next
        ' MsgBox(mehmehmeh)
    End Sub

    Function SelectUniUser()    'wenn nur ein Empfänger
        If recuser.BenutzerAnmeldeName.Length > 0 Then
            SingleUserRec = True
            recuser.genNameKurz()
            'LabelInfo.Text = String.Format(msg, recuser.NameKurz, recuser.TSServer, "Das ist ein Test!")
            For Each uc As uscntr_TSServer In PanServerListe.Controls
                If uc.btnServer.Text = recuser.TSServer Then uc.btnServer.PerformClick()
                uc.btnServer.Enabled = False
            Next
        End If
    End Function

    Private Sub TextBox1_TextChanged(sender As Object, e As EventArgs) Handles TextBox1.TextChanged
        If SingleUserRec = True Then
            msgfin = String.Format(msg, recuser.NameKurz, recuser.TSServer, TextBox1.Text)
        Else
            msgfin = String.Format(msg, "*", ErsterEintragVonListOfString(recserver), TextBox1.Text)
        End If
        '  LabelInfo.Text = "msg" & msgfin
    End Sub

    Private Sub cmdSenden_Click(sender As Object, e As EventArgs) Handles cmdSenden.Click
        If MsgBox("Nachricht senden?", MsgBoxStyle.OkCancel, "Senden?") = MsgBoxResult.Ok Then
            Select Case RecArt
                Case "", "Server"
                    SendServer()
                Case "User"
                    SendUser()
            End Select

        End If
    End Sub

    Private Function SendServer()
        If SingleUserRec = True Then
            cExtProgramme.msgsend(msgfin)
        Else
            Dim serverlist As String = ""
            For Each srv As String In recserver
                serverlist &= srv & " "
                ' cExtProgramme.msgsend(String.Format(msg, "*", srv, TextBox1.Text))
                'Threading.Thread.Sleep(3000)
            Next
            serverlist = serverlist.Substring(0, serverlist.Length - 1)
            'MsgBox(serverlist)

            cExtProgramme.msg2server(TextBox1.Text, serverlist)

        End If
    End Function

    Private Function SendUser()
        If Not RecUsersList.Count > 0 Then MsgBox("Keine User in Liste") : Exit Function
        If Not File.Exists(Application.StartupPath & "\msgsend.bat") Then File.Create(Application.StartupPath & "\msgsend.bat")
        Dim msgbat As String = Application.StartupPath & "\msgsend.bat"
        Dim battext As String = ""
        For Each u As cRecUsers In RecUsersList
            'MsgBox(u.username)
            battext &= (cExtProgramme.msgsend(String.Format(msg, u.username, u.userclientpc & "." & u.domain, TextBox1.Text), True)) & vbCrLf

        Next

        Class1.WriteToFile(msgbat, battext)
        Threading.Thread.Sleep(3000)

        Process.Start(msgbat)
        'MsgBox(battext)
    End Function


    Function ErsterEintragVonListOfString(liste As List(Of String))
        If liste.Count > 0 Then
            Return liste(0)
        Else
            Return ""
        End If
    End Function

    Private Sub PanMain_Paint(sender As Object, e As PaintEventArgs) Handles PanMain.Paint

    End Sub
End Class

Public Class cRecUsers
    Property domain As String = ""
    Property username As String = ""
    Property userclientpc As String = ""

    Public Sub New(_domain As String, _username As String, _userclientpc As String)
        Me.domain = _domain
        Me.username = _username
        Me.userclientpc = _userclientpc
    End Sub
End Class