function OutputLog {
    param (
        [string]$containerName
    )

    $logs = Invoke-Command -Script {
        $ErrorActionPreference = "silentlycontinue"
        docker logs $containerName --tail 250 2>&1
    } -ErrorAction SilentlyContinue
    Write-Host "---------------- LOGSTART"
    Write-Host ($logs -join "`r`n")
    Write-Host "---------------- LOGEND"
}

function WaitForLog {
    param (
        [string]$containerName,
        [string]$logContains,
        [switch]$extendedTimeout
    )

    $timeoutSeconds = 20;

    if ($extendedTimeout) {
        $timeoutSeconds = 60;
    }

    $timeout = New-TimeSpan -Seconds $timeoutSeconds
    $sw = [System.Diagnostics.Stopwatch]::StartNew()

    while ($sw.Elapsed -le $timeout) {
        Start-Sleep -Seconds 1
        $logs = Invoke-Command -Script {
            $ErrorActionPreference = "silentlycontinue"
            docker logs $containerName --tail 350 2>&1
        } -ErrorAction SilentlyContinue
        if ($logs -match $logContains) {
            return;
        }
    }
    Write-Host "---------------- LOGSTART"
    Write-Host ($logs -join "`r`n")
    Write-Host "---------------- LOGEND"
    Write-Error "Timeout reached without detecting '$($logContains)' in logs after $($sw.Elapsed.TotalSeconds)s"
}

function ThrowIfError() {
    if ($LASTEXITCODE -ne 0) {
        Write-Error "Last exit code was NOT 0.";
    }
}

function HoldBuild() {
    # This method should create a file, and hold in a loop with a sleep
    # until the file is deleted
    # $Env:BUILD_TEMP this is the directory where the file should be crated
    # Define the full path for the file
    $filePath = Join-Path -Path $Env:BUILD_TEMP -ChildPath "holdbuild.txt"

    # Create the file
    New-Item -ItemType File -Path $filePath -Force

    Write-Host "Created file: $filePath"

    # Hold in a loop until the file is deleted
    while (Test-Path $filePath) {
        Start-Sleep -Seconds 10
        Write-Host "Build held until file is deleted: $filePath "
    }

    Write-Host "File deleted: $filePath"
}