param(
    [string]$SshUser = "dohertj2",
    [string]$SshHost = "10.100.0.35",
    [string]$TargetHost = "10.100.0.48",
    [ValidateSet("history", "event")]
    [string]$Scenario = "history",
    [string]$TagName = "OtOpcUaParityTest_001.Counter",
    [int]$LookbackMinutes = 1440,
    [int]$MaxRows = 1,
    [string]$OutputPrefix = $null
)

$ErrorActionPreference = "Stop"
$PSNativeCommandUseErrorActionPreference = $false

$repoRoot = Split-Path -Parent $PSScriptRoot
$stamp = Get-Date -Format "yyyyMMdd-HHmmss"
if ([string]::IsNullOrWhiteSpace($OutputPrefix)) {
    $OutputPrefix = Join-Path $repoRoot "docs\reverse-engineering\pktmon-debian-relay-$Scenario-latest"
}

$outputDirectory = Split-Path -Parent $OutputPrefix
New-Item -ItemType Directory -Force -Path $outputDirectory | Out-Null

$etlPath = "$OutputPrefix.etl"
$txtPath = "$OutputPrefix.txt"
$statsPath = "$OutputPrefix.stats.txt"
$relayPath = "$OutputPrefix.relay.ndjson"
$harnessPath = "$OutputPrefix.harness.json"

Push-Location $repoRoot
try {
    cmd.exe /c "pktmon stop >nul 2>nul" | Out-Null
    cmd.exe /c "pktmon filter remove >nul 2>nul" | Out-Null
    pktmon filter add HistRelay -i $SshHost -p 32568 -t TCP | Out-Null

    # 0x00e intentionally omits 0x010 raw-packet bytes. Keep metadata only.
    pktmon start --capture --comp nics --flags 0x00e --file-name $etlPath --log-mode circular --file-size 64 | Out-Host

    try {
        powershell.exe -NoProfile -ExecutionPolicy Bypass -File .\scripts\Run-DebianHistorianRelayCapture.ps1 `
            -SshUser $SshUser `
            -SshHost $SshHost `
            -TargetHost $TargetHost `
            -Scenario $Scenario `
            -TagName $TagName `
            -LookbackMinutes $LookbackMinutes `
            -MaxRows $MaxRows `
            -OutputPath $relayPath `
            -HarnessOutputPath $harnessPath
        $harnessExit = $LASTEXITCODE
    }
    finally {
        pktmon stop | Out-Host
    }

    pktmon etl2txt $etlPath --out $txtPath --brief | Out-Host
    pktmon etl2txt $etlPath --stats-only 2>&1 | Set-Content -Path $statsPath -Encoding UTF8
    Get-Content -Path $statsPath | Out-Host
    Remove-Item -LiteralPath $etlPath -Force -ErrorAction SilentlyContinue
    cmd.exe /c "pktmon filter remove >nul 2>nul" | Out-Null

    $summary = [pscustomobject]@{
        Operation = "PktmonDebianRelayCapture"
        Scenario = $Scenario
        SshHost = $SshHost
        TargetHost = $TargetHost
        HarnessExitCode = $harnessExit
        PayloadBytesCaptured = $false
        PktmonText = $txtPath
        PktmonStats = $statsPath
        RelayTranscript = $relayPath
        HarnessOutput = $harnessPath
        RawEtlDeleted = -not (Test-Path -LiteralPath $etlPath)
    }

    $summary | ConvertTo-Json -Depth 4 | Set-Content -Path "$OutputPrefix.summary.json" -Encoding UTF8
    exit $harnessExit
}
finally {
    try {
        cmd.exe /c "pktmon stop >nul 2>nul" | Out-Null
        cmd.exe /c "pktmon filter remove >nul 2>nul" | Out-Null
    }
    catch {
    }

    Pop-Location
}