# Erforderliche Assemblies laden
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

# Formular erstellen
$form = New-Object System.Windows.Forms.Form
$form.Text = "Gruppen-Erstellung"
$form.Size = New-Object System.Drawing.Size(1200, 650)
$form.StartPosition = "CenterScreen"
$form.BackColor = [System.Drawing.Color]::White

# DataGridView erstellen
$dataGridView = New-Object System.Windows.Forms.DataGridView
$dataGridView.Size = New-Object System.Drawing.Size(1150, 450)
$dataGridView.Location = New-Object System.Drawing.Point(15, 15)
$dataGridView.ColumnCount = 4

# Spaltenüberschriften festlegen
$dataGridView.Columns[0].Name = "Type"
$dataGridView.Columns[1].Name = "GroupName"
$dataGridView.Columns[2].Name = "OU"
$dataGridView.Columns[3].Name = "DC"

# Beispielzeilen hinzufügen
$dataGridView.Rows.Add("Master", "DefaultGroup", "DefaultOU", "DC=yourdomain,DC=com")
$dataGridView.Rows.Add("GG", "", "", "")
$dataGridView.Rows.Add("LG", "", "", "")

# DataGridView anpassen
$dataGridView.AlternatingRowsDefaultCellStyle.BackColor = [System.Drawing.Color]::LightGray

# Eventhandler hinzufügen
$dataGridView.add_CellEndEdit({
    param ($sender, $e)
    $row = $dataGridView.Rows[$e.RowIndex]

    # OU und DC vom darüberliegenden Master übernehmen
    if ($row.Cells["Type"].Value -ne 'Master') {
        for ($i = ($e.RowIndex - 1); $i -ge 0; $i--) {
            if ($dataGridView.Rows[$i].Cells["Type"].Value -eq 'Master') {
                $masterRow = $dataGridView.Rows[$i]
                $row.Cells["OU"].Value = $masterRow.Cells["OU"].Value
                $row.Cells["DC"].Value = $masterRow.Cells["DC"].Value
                break
            }
        }

        # Typ basierend auf dem Gruppentyp festlegen
        if ($row.Cells["Type"].Value -eq 'GG') {
            $row.Cells["GroupType"].Value = 'Global'
        } elseif ($row.Cells["Type"].Value -eq 'LG') {
            $row.Cells["GroupType"].Value = 'Local'
        }
    }
})

# OK-Button
$okButton = New-Object System.Windows.Forms.Button
$okButton.Text = "OK"
$okButton.Location = New-Object System.Drawing.Point(550, 500)
$okButton.BackColor = [System.Drawing.Color]::White
$okButton.FlatStyle = "Flat"
$okButton.Add_Click({
    $form.Close()
})
$form.Controls.Add($okButton)

# DataGridView zum Formular hinzufügen
$form.Controls.Add($dataGridView)

# Formular anzeigen
$form.ShowDialog()

# Eingabedaten extrahieren
$data = @()
foreach ($row in $dataGridView.Rows) {
    if (-not $row.IsNewRow) {
        $data += [PSCustomObject]@{
            Type = $row.Cells[0].Value
            GroupName = $row.Cells[1].Value
            OU = $row.Cells[2].Value
            DC = $row.Cells[3].Value
            GroupType = if ($row.Cells[0].Value -eq 'GG') { 'Global' } else { 'Local' }
        }
    }
}

# Liste für erstellte Gruppen
$createdGroups = @()

# Durchlaufen jeder Zeile der Daten und Gruppen erstellen
foreach ($row in $data) {
    if ($row.Type -ne 'Master') {
        $path = "OU=$($row.OU),DC=$($row.DC)"
        
        if ($row.Type -eq 'GG') {
            # Globale Gruppe erstellen
            $newGroup = New-ADGroup -Name $row.GroupName -GroupScope 'Global' -Path $path
            $createdGroups += $newGroup
        } elseif ($row.Type -eq 'LG') {
            # Lokale Gruppen mit Suffixen erstellen
            $groupNames = @($row.GroupName + '_FA', $row.GroupName + '_RW', $row.GroupName + '_RX', $row.GroupName + '_RO')
            foreach ($groupName in $groupNames) {
                $newGroup = New-ADGroup -Name $groupName -GroupScope 'Local' -Path $path
                $createdGroups += $newGroup
            }
        }
    }
}

# Erstellte Gruppen anzeigen
Write-Host "`nErstellte Gruppen:" -ForegroundColor Green
$createdGroups | ForEach-Object { Write-Host $_.Name -ForegroundColor Green }