# https://setkeyboard.bezirk.osdcloud.ch

$Global:Transcript = "$((Get-Date).ToString('yyyy-MM-dd-HHmmss'))-Change-KeyboardLanguage.log"
Start-Transcript -Path (Join-Path "$env:ProgramData\Microsoft\IntuneManagementExtension\Logs\OSD\" $Global:Transcript) -ErrorAction Ignore

Write-Host "Change default user settings" -ForegroundColor Cyan
$registryPath = "Registry::HKEY_USERS\.DEFAULT"

Write-Host "Cleanup all preload entries"
$properties = Get-ItemProperty -Path "$registryPath\Keyboard Layout\Preload"
$values = @("1","2","3")

$values | ForEach-Object {
    if ($properties.PSObject.properties.Match($_)) {
        Write-Host "Value '$_' still exists --> remove it"
        try {
            Remove-ItemProperty -Path "$registryPath\Keyboard Layout\Preload" -Name "$_" -Force -ErrorAction Stop
            Write-Host "Value '$_' removed successfully"
        }
        catch {
            Write-Host "Failed to remove value '$_': $_" -ForegroundColor Red
        }
    }
}

Write-Host "Create the preload registry key" -ForegroundColor Yellow
$valueName = "1"
$newValue = "00000807"
try {
    New-ItemProperty -Path "$registryPath\Keyboard Layout\Preload" -Name $valueName -Value $newValue -ErrorAction Stop
    Write-Host "Preload registry key created successfully"
}
catch {
    Write-Host "Failed to create preload registry key: $_" -ForegroundColor Red
}

Write-Host "Clean user profile if needed" -ForegroundColor Yellow
If (Get-Item -Path "$registryPath\Control Panel\International\User Profile\de-DE" -ErrorAction SilentlyContinue) {
    try {
        Remove-Item "$registryPath\Control Panel\International\User Profile\de-DE" -Force -ErrorAction Stop
        Write-Host "User profile cleaned successfully"
    }
    catch {
        Write-Host "Failed to clean user profile: $_" -ForegroundColor Red
    }
}

Write-Host "Clean user profile system backup if needed" -ForegroundColor Yellow
If (Get-Item -Path "$registryPath\Control Panel\International\User Profile System Backup\de-DE") {
    try {
        Remove-Item "$registryPath\Control Panel\International\User Profile System Backup\de-DE" -Force -ErrorAction Stop
        Write-Host "User profile system backup cleaned successfully"
    }
    catch {
        Write-Host "Failed to clean user profile system backup: $_" -ForegroundColor Red
    }
}

Stop-Transcript