# Importieren der notwendigen .NET-Namespaces
Add-Type -AssemblyName PresentationFramework, PresentationCore, WindowsBase, System.Windows.Forms
Add-Type -AssemblyName System.Net.NetworkInformation

# Erstellen des Hauptfensters
$window = New-Object System.Windows.Window
$window.Title = "Ping Monitor"
$window.Width = 600
$window.Height = 400

# Erstellen des DataGrid
$dataGrid = New-Object System.Windows.Controls.DataGrid
$dataGrid.Margin = "10"
$dataGrid.AutoGenerateColumns = $false
$dataGrid.IsReadOnly = $true

# Definieren der Spalten für das DataGrid
$hostColumn = New-Object System.Windows.Controls.DataGridTextColumn
$hostColumn.Header = "Host"
$hostColumn.Binding = New-Object System.Windows.Data.Binding "TargetHost"
$dataGrid.Columns.Add($hostColumn)

$statusColumn = New-Object System.Windows.Controls.DataGridTextColumn
$statusColumn.Header = "Status"
$statusColumn.Binding = New-Object System.Windows.Data.Binding "Status"
$dataGrid.Columns.Add($statusColumn)

$roundtripColumn = New-Object System.Windows.Controls.DataGridTextColumn
$roundtripColumn.Header = "Roundtrip Time"
$roundtripColumn.Binding = New-Object System.Windows.Data.Binding "RoundtripTime"
$dataGrid.Columns.Add($roundtripColumn)

$timestampColumn = New-Object System.Windows.Controls.DataGridTextColumn
$timestampColumn.Header = "Timestamp"
$timestampColumn.Binding = New-Object System.Windows.Data.Binding "Timestamp"
$dataGrid.Columns.Add($timestampColumn)

# Hosts, die gepingt werden sollen
$hosts = @("ME0001", "ME0002", "8.8.8.8", "1.1.1.1")

# Freigegebene ObservableCollection für die Ping-Ergebnisse
$pingResults = New-Object System.Collections.ObjectModel.ObservableCollection[PSCustomObject]

# Funktion zum Durchführen des Pings
# Importieren der notwendigen .NET-Namespaces
Add-Type -AssemblyName PresentationFramework, PresentationCore, WindowsBase, System.Windows.Forms

# Erstellen des Hauptfensters
$window = New-Object System.Windows.Window
$window.Title = "Ping Monitor"
$window.Width = 600
$window.Height = 400

# Erstellen des DataGrid
$dataGrid = New-Object System.Windows.Controls.DataGrid
$dataGrid.Margin = "10"
$dataGrid.AutoGenerateColumns = $false
$dataGrid.IsReadOnly = $true

# Definieren der Spalten für das DataGrid
$hostColumn = New-Object System.Windows.Controls.DataGridTextColumn
$hostColumn.Header = "Host"
$hostColumn.Binding = New-Object System.Windows.Data.Binding "TargetHost"
$dataGrid.Columns.Add($hostColumn)

$statusColumn = New-Object System.Windows.Controls.DataGridTextColumn
$statusColumn.Header = "Status"
$statusColumn.Binding = New-Object System.Windows.Data.Binding "Status"
$dataGrid.Columns.Add($statusColumn)

$roundtripColumn = New-Object System.Windows.Controls.DataGridTextColumn
$roundtripColumn.Header = "Roundtrip Time"
$roundtripColumn.Binding = New-Object System.Windows.Data.Binding "RoundtripTime"
$dataGrid.Columns.Add($roundtripColumn)

$timestampColumn = New-Object System.Windows.Controls.DataGridTextColumn
$timestampColumn.Header = "Timestamp"
$timestampColumn.Binding = New-Object System.Windows.Data.Binding "Timestamp"
$dataGrid.Columns.Add($timestampColumn)

# Hosts, die gepingt werden sollen
$hosts = @("ME0002", "ME0001", "8.8.8.8", "1.1.1.1")

# Freigegebene ObservableCollection für die Ping-Ergebnisse
$pingResults = New-Object System.Collections.ObjectModel.ObservableCollection[PSCustomObject]

# Funktion zum Durchführen des Pings
function Start-PingMonitor {
    param (
        [string[]]$hosts,
        [System.Collections.ObjectModel.ObservableCollection[PSCustomObject]]$results
    )

    foreach ($targetHost in $hosts) {
        try {
            $ping = New-Object System.Net.NetworkInformation.Ping
            if ($ping) {
                $reply = $ping.SendAsync($targetHost, 1000)
                $reply.Wait()

                write-host $reply

                if ($reply.Status -eq "Success") {
                    $pingResult = [PSCustomObject]@{
                        TargetHost    = $targetHost
                        Status        = "Success"
                        RoundtripTime = $reply.Result.RoundtripTime
                        Timestamp     = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
                    }
                }
                else {
                    $pingResult = [PSCustomObject]@{
                        TargetHost    = $targetHost
                        Status        = "Failed"
                        RoundtripTime = "N/A"
                        Timestamp     = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
                    }
                }

                # Hinzufügen des Ergebnisses zur freigegebenen ObservableCollection
                $results.Add($pingResult)
            }
            else {
                Write-Host "Failed to create Ping object"
            }


        }
        catch [System.TimeoutException] {
            $pingResult = [PSCustomObject]@{
                TargetHost    = $targetHost
                Status        = "Timeout"
                RoundtripTime = "N/A"
                Timestamp     = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
            }

            # Hinzufügen des Timeout-Ergebnisses zur freigegebenen ObservableCollection
            $results.Add($pingResult)
        }
        catch {
            $errorMessage = "Fehler bei der Ping-Anfrage: $($Error[0])"
            Write-Host $errorMessage
            $pingResult = [PSCustomObject]@{
                TargetHost    = $targetHost
                Status        = "Error"
                RoundtripTime = "N/A"
                Timestamp     = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
            }

            # Hinzufügen des Fehler-Ergebnisses zur freigegebenen ObservableCollection
            $results.Add($pingResult)
        }
    }
}

# Erstellen des DispatcherTimer
$timer = New-Object System.Windows.Threading.DispatcherTimer
$timer.Interval = [System.TimeSpan]::FromSeconds(1)
$timer.Add_Tick({
        Start-PingMonitor -hosts $hosts -results $pingResults
    })

# Hinzufügen des DataGrid zum Fenster
$window.Content = $dataGrid

# Setzen der ItemsSource des DataGrid auf die ObservableCollection
$dataGrid.ItemsSource = $pingResults

# Starten des Timers
$timer.Start()

# Anzeigen des Fensters
$window.ShowDialog() | Out-Null

# Beenden des Timers, wenn das Fenster geschlossen wird
$timer.Stop()