param(
    [string]$ApiBaseUrl = "http://192.168.200.61:18121/api/v1",
    [string]$ClusterID = "cfc0743d-d960-49fb-9de8-96e063d5e4aa",
    [string]$ActorUserID = "f67d943f-5397-4b3a-a229-695fe67ad700",
    [string]$EntryNodeName = "test-1",
    [string]$RelayNodeName = "test-3",
    [string]$ExitNodeName = "test-2",
    [string]$EntryBaseUrl = "http://192.168.200.61:19131",
    [string]$DockerSSH = "test-docker",
    [int]$InitialBatchCount = 12,
    [int]$LearningBatchCount = 24,
    [int]$PostChurnBatchCount = 24,
    [int]$PacketsPerBatch = 8,
    [int]$BatchDelayMilliseconds = 25,
    [string]$ResultPath = "artifacts\c18z20-service-channel-adaptive-window-telemetry-smoke-result.json"
)

Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"

$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$repoRoot = (Resolve-Path (Join-Path $scriptDir "..\..")).ProviderPath
$innerResultPath = "artifacts\c18z20-service-channel-adaptive-window-telemetry-inner-result.json"
$innerResultFullPath = Join-Path $repoRoot $innerResultPath

$agentRoot = Join-Path $repoRoot "agents\rap-node-agent"
Push-Location $agentRoot
try {
    $unitTestOutput = & go test ./internal/vpnruntime -run "TestFabricFlowSchedulerRecommendsSmallerWindowUnderPressure|TestFabricClientPacketIngressParallelFlowWindowDoesNotBlockIndependentChannel" 2>&1
    if ($LASTEXITCODE -ne 0) {
        $unitText = ($unitTestOutput | Out-String)
        throw "C18Z20 adaptive window telemetry unit tests failed:`n$unitText"
    }
} finally {
    Pop-Location
}

& (Join-Path $scriptDir "c18z19-service-channel-parallel-flow-window-smoke.ps1") `
    -ApiBaseUrl $ApiBaseUrl `
    -ClusterID $ClusterID `
    -ActorUserID $ActorUserID `
    -EntryNodeName $EntryNodeName `
    -RelayNodeName $RelayNodeName `
    -ExitNodeName $ExitNodeName `
    -EntryBaseUrl $EntryBaseUrl `
    -DockerSSH $DockerSSH `
    -InitialBatchCount $InitialBatchCount `
    -LearningBatchCount $LearningBatchCount `
    -PostChurnBatchCount $PostChurnBatchCount `
    -PacketsPerBatch $PacketsPerBatch `
    -BatchDelayMilliseconds $BatchDelayMilliseconds `
    -ResultPath $innerResultPath

$result = Get-Content -Path $innerResultFullPath -Raw | ConvertFrom-Json
$ingress = $result.telemetry.final_entry_ingress
$scheduler = $ingress.flow_scheduler
$stats = @()
if ($null -ne $scheduler.channel_stats) {
    $stats = @($scheduler.channel_stats.PSObject.Properties | ForEach-Object { $_.Value })
}
$attemptStats = @($stats | Where-Object { $_.PSObject.Properties["send_attempts"] -and [int64]$_.send_attempts -gt 0 })
$successStats = @($stats | Where-Object { $_.PSObject.Properties["send_successes"] -and [int64]$_.send_successes -gt 0 })
$latencyStats = @($stats | Where-Object {
    (($_.PSObject.Properties["latency_le_10ms"] -and [int64]$_.latency_le_10ms -gt 0) -or
    ($_.PSObject.Properties["latency_le_100ms"] -and [int64]$_.latency_le_100ms -gt 0) -or
    ($_.PSObject.Properties["latency_le_1000ms"] -and [int64]$_.latency_le_1000ms -gt 0) -or
    ($_.PSObject.Properties["latency_gt_1000ms"] -and [int64]$_.latency_gt_1000ms -gt 0))
})
$maxParallel = if ($ingress.PSObject.Properties["max_parallel_flow_sends"]) { [int]$ingress.max_parallel_flow_sends } else { 0 }
$recommended = if ($ingress.PSObject.Properties["recommended_parallel_flow_sends"]) { [int]$ingress.recommended_parallel_flow_sends } else { 0 }
$maxInFlight = if ($scheduler.PSObject.Properties["max_in_flight"]) { [int]$scheduler.max_in_flight } else { 0 }
$inFlight = if ($scheduler.PSObject.Properties["in_flight"]) { [int]$scheduler.in_flight } else { -1 }

$result.schema_version = "c18z20.service_channel_adaptive_window_telemetry_smoke.v1"
$result | Add-Member -NotePropertyName c18z20_checks -NotePropertyValue ([ordered]@{
    unit_adaptive_window_pressure_contract_passed = ($unitTestOutput -join "`n").Contains("ok")
    live_recommended_window_visible = ($recommended -gt 0 -and $recommended -le $maxParallel)
    live_inflight_telemetry_visible = ($maxInFlight -ge 2 -and $inFlight -eq 0)
    live_per_channel_attempt_telemetry_visible = ($attemptStats.Count -ge 2 -and $successStats.Count -ge 2)
    live_per_channel_latency_buckets_visible = ($latencyStats.Count -ge 2)
    live_parallel_path_still_clean = ([bool]$result.passed -and [int]$result.degraded_route_queue.depth -eq 0 -and [int]$result.flow_drops.delta -eq 0)
}) -Force
$result | Add-Member -NotePropertyName c18z20_summary -NotePropertyValue ([ordered]@{
    unit_test_output = ($unitTestOutput | Out-String).Trim()
    max_parallel_flow_sends = $maxParallel
    recommended_parallel_flow_sends = $recommended
    scheduler_in_flight = $inFlight
    scheduler_max_in_flight = $maxInFlight
    attempt_channel_count = $attemptStats.Count
    success_channel_count = $successStats.Count
    latency_channel_count = $latencyStats.Count
}) -Force
$result.passed = [bool]($result.passed -and
    $result.c18z20_checks.unit_adaptive_window_pressure_contract_passed -and
    $result.c18z20_checks.live_recommended_window_visible -and
    $result.c18z20_checks.live_inflight_telemetry_visible -and
    $result.c18z20_checks.live_per_channel_attempt_telemetry_visible -and
    $result.c18z20_checks.live_per_channel_latency_buckets_visible -and
    $result.c18z20_checks.live_parallel_path_still_clean)

$resolvedResultPath = Join-Path $repoRoot $ResultPath
$result | ConvertTo-Json -Depth 100 | Set-Content -Path $resolvedResultPath -Encoding UTF8
Remove-Item -Path $innerResultFullPath -Force -ErrorAction SilentlyContinue

if (-not $result.passed) {
    throw "C18Z20 adaptive window telemetry smoke failed. Result: $resolvedResultPath"
}

Write-Host "C18Z20 service-channel adaptive window telemetry smoke passed. Result: $resolvedResultPath"
$result