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running powershell visible#>
$window = Add-Type -memberDefinition @"  
[DllImport("user32.dll")]  
public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
"@ -name "Win32ShowWindowAsync" -namespace Win32Functions -passThru  
$window::ShowWindow((Get-Process –id $pid).MainWindowHandle, 5)

$scriptPath = $MyInvocation.MyCommand.Path
$logFilePath = Join-Path -Path (Split-Path -Path $scriptPath -Parent) -ChildPath "convert_log.txt"  

# Function to append output to the textbox and log file
function AppendToTextBox($text) {
    $textbox.AppendText("$text`r`n")  
    $textbox.ScrollToCaret()
    Write-Output $text | Out-File -FilePath $logFilePath -Append
}

function AppendErrorToTextBox($errorMessage) {
    $textbox.AppendText("ERROR: $errorMessage`r`n")  
    $textbox.ScrollToCaret()
    Write-Output "ERROR: $errorMessage" | Out-File -FilePath $logFilePath -Append  
}

$standardErrorWriter = [System.IO.StreamWriter]::new($logFilePath, $true)
$standardErrorWriter.AutoFlush = $true
[System.Console]::SetError($standardErrorWriter)

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

# Create a form
$form = New-Object System.Windows.Forms.Form
$form.Text = ".doc to .docx converter"  
$form.Size = New-Object System.Drawing.Size(380, 700)
$form.FormBorderStyle = [System.Windows.Forms.FormBorderStyle]::FixedSingle
$form.StartPosition = [System.Windows.Forms.FormStartPosition]::CenterScreen
#$Form.Icon            = 

# Create labels
$label1 = New-Object System.Windows.Forms.Label
$label1.Location = New-Object System.Drawing.Point(10, 20)
$label1.Size = New-Object System.Drawing.Size(280, 20)
$label1.Text = "Quellordner:"  

$label2 = New-Object System.Windows.Forms.Label
$label2.Location = New-Object System.Drawing.Point(10, 80)
$label2.Size = New-Object System.Drawing.Size(280, 20)
$label2.Text = "Zielordner:"  

# Create textboxes to display the selected folder paths
$textBox1 = New-Object System.Windows.Forms.TextBox
$textBox1.Location = New-Object System.Drawing.Point(10, 50)
$textBox1.Size = New-Object System.Drawing.Size(200, 20)
$textBox1.ReadOnly = $true

$textBox2 = New-Object System.Windows.Forms.TextBox
$textBox2.Location = New-Object System.Drawing.Point(10, 110)
$textBox2.Size = New-Object System.Drawing.Size(200, 20)
$textBox2.ReadOnly = $true

# Create button 1 to open the folder picker dialog for folder 1
$button1 = New-Object System.Windows.Forms.Button
$button1.Location = New-Object System.Drawing.Point(220, 50)
$button1.Size = New-Object System.Drawing.Size(60, 20)
$button1.Text = "Suche"  
$button1.Add_Click({
    $folderBrowser = New-Object System.Windows.Forms.FolderBrowserDialog
    $result = $folderBrowser.ShowDialog()
    if ($result -eq [System.Windows.Forms.DialogResult]::OK) {
        $selectedFolder = $folderBrowser.SelectedPath
        $textBox1.Text = $selectedFolder
    }
})

# Create button 2 to open the folder picker dialog for folder 2
$button2 = New-Object System.Windows.Forms.Button
$button2.Location = New-Object System.Drawing.Point(220, 110)
$button2.Size = New-Object System.Drawing.Size(60, 20)
$button2.Text = "Suche"  
$button2.Add_Click({
    $folderBrowser = New-Object System.Windows.Forms.FolderBrowserDialog
    $result = $folderBrowser.ShowDialog()
    if ($result -eq [System.Windows.Forms.DialogResult]::OK) {
        $selectedFolder = $folderBrowser.SelectedPath
        $textBox2.Text = $selectedFolder
    }
})

# Create button 1 to clear the selected folder path for folder 1
$clearButton1 = New-Object System.Windows.Forms.Button
$clearButton1.Location = New-Object System.Drawing.Point(300, 50)
$clearButton1.Size = New-Object System.Drawing.Size(60, 20)
$clearButton1.Text = "Löschen"  
$clearButton1.Add_Click({
    $textBox1.Text = ""  
})

# Create button 2 to clear the selected folder path for folder 2
$clearButton2 = New-Object System.Windows.Forms.Button
$clearButton2.Location = New-Object System.Drawing.Point(300, 110)
$clearButton2.Size = New-Object System.Drawing.Size(60, 20)
$clearButton2.Text = "Löschen"  
$clearButton2.Add_Click({
    $textBox2.Text = ""  
})

# Create the TextBox control
$textbox = New-Object System.Windows.Forms.TextBox
$textbox.Multiline = $true
$textbox.ScrollBars = "Vertical"  
$textbox.Location = New-Object System.Drawing.Point(10, 250)
$textbox.Size = New-Object System.Drawing.Size(350, 400)

# Create a button to convert .doc files and move them to the new folder
$copyButton = New-Object System.Windows.Forms.Button
$copyButton.Location = New-Object System.Drawing.Point(10, 180)
$copyButton.Size = New-Object System.Drawing.Size(350, 30)
$copyButton.Text = "++ Konvertieren ++"  
$copyButton.Add_Click({

    function Write-Host($text) {
        AppendToTextBox $text
    }

    function Write-Error($errorMessage, $fileName) {
        $formattedErrorMessage = "ERROR: File $fileName - $errorMessage"  
        AppendErrorToTextBox $formattedErrorMessage
        Write-Output $formattedErrorMessage | Out-File -FilePath $logFilePath -Append
    }

    $sourcePath = $textBox1.text
    $destinationPath = $textBox2.text
    $fileFormat = "*.docx"  

    [ref]$SaveFormat = "microsoft.office.interop.word.WdSaveFormat" -as [type]  
    $word = New-Object -ComObject Word.Application
    $word.Visible = $True

    $Path = Get-ChildItem $sourcePath -Recurse -Force | where{$_.Extension -eq ".doc" }  

    if($Path){
        forEach($EV in $Path) {
            try {
                Write-Host "Converting: $($EV.FullName)" -ForegroundColor Green  
                [ref]$name = Join-Path -Path $EV.DirectoryName -ChildPath $($EV.BaseName + ".docx")  
                $opendoc = $word.documents.open($EV.FullName)
                $opendoc.saveas([ref]$name.Value, [ref]$saveFormat::wdFormatDocument)
                $opendoc.saveas([ref]$name.Value, [ref]$SaveFormat::wdFormatDocument)
                $opendoc.close()
                $EV = $null
            }
            catch {
                $errorMessage = $_.Exception.Message
                $fileName = [System.IO.Path]::GetFileNameWithoutExtension($EV.FullName)
                Write-Error $errorMessage $fileName
            }
        }
    }

    $files = Get-ChildItem -Path $sourcePath -Filter $fileFormat -Recurse | Where-Object { $_.Name -notlike "~$*" }  

    foreach ($file in $files) {
        try {
            $destinationFile = $file.FullName.Replace($sourcePath, $destinationPath)
            $destinationDirectory = Split-Path -Path $destinationFile -Parent

            if (!(Test-Path -Path $destinationDirectory)) {
                New-Item -ItemType Directory -Path $destinationDirectory | Out-Null
            }

            $destinationFilePath = Join-Path -Path $destinationPath -ChildPath $file.Name
            if (Test-Path -Path $destinationFilePath) {
                Write-Host "Overwriting existing file: $destinationFilePath" -ForegroundColor Yellow  
                Remove-Item -Path $destinationFilePath -Force
            }

            Move-Item -Path $file.FullName -Destination $destinationFile -ErrorAction Stop
            Remove-Item -Path "$sourcePath\*~*.docx" -Force  
        }
        catch {
            $errorMessage = $_.Exception.Message
            $fileName = [System.IO.Path]::GetFileNameWithoutExtension($file.FullName)
            Write-Error $errorMessage $fileName
        }
    }

    $sourceFiles = Get-ChildItem -Path $sourcePath -File -Recurse

    foreach ($sourceFile in $sourceFiles) {
        try {
            $baseName = $sourceFile.BaseName

            $destinationFile = Get-ChildItem -Path $destinationPath -File -Recurse | Where-Object { $_.BaseName -eq $baseName }

            if ($destinationFile) {
                $sourceMeta = Get-Item -Path $sourceFile.FullName

                $destinationFile.CreationTime = $sourceMeta.CreationTime
                $destinationFile.LastWriteTime = $sourceMeta.LastWriteTime
            }
        }
        catch {
            $errorMessage = $_.Exception.Message
            $fileName = [System.IO.Path]::GetFileNameWithoutExtension($sourceFile.FullName)
            Write-Error $errorMessage $fileName
        }
    }

    $word.Quit()
    $word = $null
    [System.GC]::Collect()
    [System.GC]::WaitForPendingFinalizers()

    Write-Host "Abgeschlossen!" -ForegroundColor Green  
})

# Stop capturing output to the log file and close it
$standardErrorWriter.Flush()
$standardErrorWriter.Close()

Stop-Transcript

# Add controls to the form
$form.Controls.Add($label1)
$form.Controls.Add($textBox1)
$form.Controls.Add($button1)
$form.Controls.Add($clearButton1)
$form.Controls.Add($label2)
$form.Controls.Add($textBox2)
$form.Controls.Add($button2)
$form.Controls.Add($clearButton2)
$form.Controls.Add($copyButton)
$form.Controls.Add($textbox)

# Show the form
$form.ShowDialog() | Out-Null