$url = "https://www.gitea1.intx.com.au/jn/punkbin/raw/branch/master/win32-x86_64/tclsh901t.exe"
$output = "$(join-path $PSScriptRoot "..\src\runtime\tclsh901t.exe")"

if (-not(Test-Path -Path $output -PathType Leaf)) {
    if ((Get-Service -name "BITS").Status -eq "Running") {
        Write-Host "OK - BITS services is running"
    } else {
        #If not running we can get a misleading error such as 'MUI error'
        Write-Host "WARNING - BITS service does not seem to be running"
        $answer = Read-Host "Do you want to start the Background Intelligent Transfer Service (BITS)? (Type Yes to start service)"
        if ($answer -match "yes") {
            #restart requires admin - use script marked for admin
            #Restart-Service BITS
            #Start-Process -FilePath "cmd.exe" -ArgumentList "-NoExit -NoNewWindow -File bits.cmd"
            Start-Process -FilePath "bits.cmd" -ArgumentList "-NoExit -NoNewWindow" -Wait
            #cmd /c bits.cmd
        } else {
            write-host "Unable to download. Exiting script.."
            exit 1
        }
    }


    try {
        #Invoke-WebRequest $url  -OutFile 

        Import-Module BitsTransfer
        Start-BitsTransfer -Source $url -Destination $output
        Write-Host "Runtime saved at $output"
    }
    catch {
        throw $_.Exception.Message
    }
}
else {
    Write-Host "Runtime already found at $output"
}