# ================================
# Bluetooth monitoring script
# ================================

Add-Type -AssemblyName System.Windows.Forms

function Is-BluetoothEnabledAndInUse {
    Write-Host "Checking Bluetooth status..."
    
    $btStatus = Get-Service -Name bthserv -ErrorAction SilentlyContinue | Select-Object -ExpandProperty Status
    if ($btStatus -ne 'Running') {
        Write-Host "Service bthserv is not running."
        return $false
    }

    $btDevices = Get-PnpDevice -Class Bluetooth | Where-Object { $_.Status -eq 'OK' }
    if ($btDevices.Count -gt 0) {
        Write-Host "Bluetooth devices detected and OK."
        return $true
    } else {
        Write-Host "No active Bluetooth devices found."
        return $false
    }
}

Write-Host "Script started. Waiting 30 seconds..."
Start-Sleep -Seconds 30

while ($true) {

    if (-not (Is-BluetoothEnabledAndInUse)) {

        Write-Host "Bluetooth is off or no devices. Stopping services..."

        Stop-Service -Name BluetoothUserService -Force -ErrorAction SilentlyContinue
        Stop-Service -Name BTAGService -Force -ErrorAction SilentlyContinue
        Stop-Service -Name BthAvctpSvc -Force -ErrorAction SilentlyContinue
        sc.exe stop bthserv | Out-Null

        Get-Service | Where-Object { $_.Name -like "DevicesFlowUserSvc*" } |
            ForEach-Object {
                Stop-Service -Name $_.Name -Force -ErrorAction SilentlyContinue
            }

        Write-Host "Stopping finished. Script will now exit."

        $result = [System.Windows.Forms.MessageBox]::Show(
            "Bluetooth and related services have been stopped.",
            "Information",
            [System.Windows.Forms.MessageBoxButtons]::OK,
            [System.Windows.Forms.MessageBoxIcon]::Information
        )

        if ($result -eq [System.Windows.Forms.DialogResult]::OK) {
            Write-Host "OK clicked – exiting script."
            break
        }

    } else {
        Write-Host "Bluetooth is in use. Waiting another 30 seconds..."
    }

    Start-Sleep -Seconds 30
}