param(
    [Parameter(Mandatory)][string]$DbSliceExe,
    [string]$JobPath = (Join-Path $PSScriptRoot 'service-upsert.job.json'),
    [string]$LogDirectory = (Join-Path $PSScriptRoot 'logs')
)
$ErrorActionPreference = 'Stop'
try {
    $exePath = (Resolve-Path -LiteralPath $DbSliceExe).Path
    $jobFullPath = (Resolve-Path -LiteralPath $JobPath).Path
    if (-not (Test-Path -LiteralPath $exePath -PathType Leaf)) { throw 'Executable is not a file.' }
    if (-not (Test-Path -LiteralPath $jobFullPath -PathType Leaf)) { throw 'Job is not a file.' }
    $null = New-Item -ItemType Directory -Path $LogDirectory -Force
    $logFolder = (Resolve-Path -LiteralPath $LogDirectory).Path
    $runId = (Get-Date -Format 'yyyyMMdd-HHmmss-fff') + '-' + [guid]::NewGuid().ToString('N').Substring(0,8)
    $logPath = Join-Path $logFolder "service-upsert-$runId.log"
    # Start-Process waits for this Windows GUI-subsystem executable explicitly.
    $arguments = @(('"' + $jobFullPath + '"'), ('"' + $logPath + '"'))
    $process = Start-Process -FilePath $exePath -ArgumentList $arguments -Wait -PassThru -WindowStyle Hidden
    if (Test-Path -LiteralPath $logPath) { Get-Content -LiteralPath $logPath }
    Write-Output "CLI exit code: $($process.ExitCode)"
    Write-Output "Log file: $logPath"
    exit $process.ExitCode
} catch {
    Write-Error 'Unable to launch the job. Check the executable, job path, and log directory permissions.' -ErrorAction Continue
    exit 2
}