Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

# --- GUI Setup ---
$form = New-Object System.Windows.Forms.Form
$form.Text = "Log Collector GUI"
$form.Size = New-Object System.Drawing.Size(800,600)
$form.StartPosition = "CenterScreen"

$label = New-Object System.Windows.Forms.Label
$label.Text = "Wähle Log-Samples zur Erfassung"
$label.AutoSize = $true
$label.Font = New-Object System.Drawing.Font("Arial",10,[System.Drawing.FontStyle]::Bold)
$label.Location = New-Object System.Drawing.Point(20,10)
$form.Controls.Add($label)

# --- Checkboxen ---
$checkboxes = @{}
$logs = @(
    "Application Event Log",
    "Battery Report",
    "Sleepstudy",
    "IpConfig All",
    "Installed Apps List",
    "Network Adapter Details",
    "Scheduled Tasks",
    "Service Tag + Model Info"
    "Windows Update-Protokoll - Get-Hotfix - "
)

$yPos = 40
foreach ($log in $logs) {
    $cb = New-Object System.Windows.Forms.CheckBox
    $cb.Text = $log
    $cb.AutoSize = $true
    $cb.Location = New-Object System.Drawing.Point(20,$yPos)
    $form.Controls.Add($cb)
    $checkboxes[$log] = $cb
    $yPos += 30
}

# --- Start Button ---

$btnStart = New-Object System.Windows.Forms.Button
$btnStart.Text = "Start Collection"
$btnStart.Size = New-Object System.Drawing.Size(150,30)
$btnStart.Location = New-Object System.Drawing.Point(20,450)
$form.Controls.Add($btnStart)

# --- Status Label ---
$status = New-Object System.Windows.Forms.Label
$status.Text = "Status: Wartet auf Auswahl..."
$status.AutoSize = $true
$status.Location = New-Object System.Drawing.Point(20,500)
$form.Controls.Add($status)

# --- Collection Logic ---
$btnStart.Add_Click({

    $tempDir = Join-Path $env:TEMP ("Logs_" + (Get-Date -Format "yyyyMMdd_HHmmss"))
    New-Item -Path $tempDir -ItemType Directory -Force | Out-Null

    $status.Text = "Status: Sammle Logs..."
    $form.Refresh()

    # Application Event Log
   # https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wevtutil

    if ($checkboxes["Application Event Log"].Checked) {
        wevtutil epl Application /q:"*[System[(Level<=5)]]" (Join-Path $tempDir "application_eventlog.evtx")
    }

    # Battery Report
    #powercfg /batteryreport

    if ($checkboxes["Battery Report"].Checked) {
        powercfg /batteryreport /output (Join-Path $tempDir "Battery_Report.html") /duration 14
    }

    #Sleepstudy
    #https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/powercfg-command-line-options

    if ($checkboxes["Sleepstudy"].Checked) {
        powercfg /sleepstudy /output (Join-Path $tempDir "sleepstudy.html")
    }

    # IpConfig All
    if ($checkboxes["IpConfig All"].Checked) {
        ipconfig /all > (Join-Path $tempDir "ipconfig_all.txt")
    }

    # Installed Apps List
    if ($checkboxes["Installed Apps List"].Checked) {
        Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\* |
            Select DisplayName,DisplayVersion,Publisher,InstallDate |
            Sort InstallDate |
            Format-Table –AutoSize |
            Out-File (Join-Path $tempDir "installed_apps.txt")
    }

    # Network Adapter Details
    if ($checkboxes["Network Adapter Details"].Checked) {
        Get-NetAdapter |
            Select Name,Status,MacAddress,LinkSpeed |
            Format-Table –AutoSize |
            Out-File (Join-Path $tempDir "netadapter_details.txt")
    }

    # Scheduled Tasks
    if ($checkboxes["Scheduled Tasks"].Checked) {
        Get-ScheduledTask | Where State -ne "Disabled" | Get-ScheduledTaskInfo |
            Format-Table –AutoSize |
            Out-File (Join-Path $tempDir "taskscheduler.txt")
    }

    # Service Tag + Model Info
    if ($checkboxes["Service Tag + Model Info"].Checked) {
        $tag = Get-CimInstance Win32_BIOS | Select-Object -ExpandProperty SerialNumber
        $model = Get-CimInstance Win32_ComputerSystem | Select-Object -ExpandProperty Model
        "$model`t$tag" | Out-File (Join-Path $tempDir "system_info.txt")
    }

   # Windows Update-Protokoll - Get-Hotfix - "
    if ($checkboxes["Windows Update-Protokoll - Get-Hotfix - "].Checked) {
        Get-Hotfix | Out-File (Join-Path $tempDir "Hotfix_info.txt")
    }

    $status.Text = "Status: Fertig! Logs im Ordner: $tempDir"
    explorer $tempDir
})

$form.ShowDialog()