MassMailer/tools/test-hidden-helper.ps1

$ErrorActionPreference = 'Stop'
$root = Split-Path -Parent $PSScriptRoot
$tempFolder = Join-Path $root 'temp'
$null = New-Item -ItemType Directory -Path $tempFolder -Force
$powerShellX86 = Join-Path $env:SystemRoot 'SysWOW64\WindowsPowerShell\v1.0\powershell.exe'
$bridge = Join-Path $PSScriptRoot 'run-hidden-tool.ps1'
$shell = New-Object -ComObject WScript.Shell
foreach ($wait in @($true, $false)) {
    $token = [guid]::NewGuid().ToString('N')
    $requestPath = Join-Path $tempFolder ($token + '.request.json')
    $resultPath = Join-Path $tempFolder ($token + '.result.json')
    try {
        @{ ScriptName = 'dispatch-control.ps1'; ConfigPath = (Join-Path $root 'config.ini');
            Parameters = @{ Action = 'Status' } } |
            ConvertTo-Json -Compress -Depth 4 |
            Set-Content -LiteralPath $requestPath -Encoding UTF8
        $command = '"' + $powerShellX86 + '" -NoProfile -ExecutionPolicy Bypass -File "' +
            $bridge + '" -RequestPath "' + $requestPath + '" -ResultPath "' + $resultPath + '"'
        $exitCode = $shell.Run($command, 0, $wait)
        if (-not $wait) {
            for ($attempt = 0; $attempt -lt 160 -and
                -not (Test-Path -LiteralPath $resultPath -PathType Leaf); $attempt++) {
                Start-Sleep -Milliseconds 250
            }
        }
        if (-not (Test-Path -LiteralPath $resultPath -PathType Leaf)) {
            throw 'Hidden runner produced no result'
        }
        $response = Get-Content -LiteralPath $resultPath -Raw -Encoding UTF8 | ConvertFrom-Json
        if (($wait -and $exitCode -ne 0) -or -not $response.Success) {
            throw ('Hidden runner failed: ' + $response.Error)
        }
        $status = $response.Output | ConvertFrom-Json
        if ($null -eq $status.Paused) { throw 'Hidden runner status response is incomplete' }
    }
    finally {
        if (Test-Path -LiteralPath $requestPath) { Remove-Item -LiteralPath $requestPath -Force }
        if (Test-Path -LiteralPath $resultPath) { Remove-Item -LiteralPath $resultPath -Force }
    }
}
Write-Output 'Synchronous and asynchronous hidden helpers returned dispatch status'