param(
    [string]$ApiBaseUrl = "http://192.168.200.61:18121/api/v1",
    [string]$ClusterID = "cfc0743d-d960-49fb-9de8-96e063d5e4aa",
    [string]$ActorUserID = "f67d943f-5397-4b3a-a229-695fe67ad700",
    [string]$DockerSSH = "test-docker",
    [string]$ExpectedBackendImage = "rap-backend:fabric-service-channel-0.2.220",
    [string]$ResultPath = "artifacts\c18z39-service-channel-rebuild-ledger-drilldown-smoke-result.json"
)

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

$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$repoRoot = (Resolve-Path (Join-Path $scriptDir "..\..")).ProviderPath

function Invoke-Api {
    param([string]$Path, [int]$TimeoutSec = 30)
    Invoke-RestMethod -Method Get -Uri "$ApiBaseUrl$Path" -TimeoutSec $TimeoutSec
}

$firstPage = @((
    Invoke-Api -Path "/clusters/$ClusterID/fabric/service-channels/rebuild-attempts?actor_user_id=$ActorUserID&limit=2&offset=0&enrichment=summary" -TimeoutSec 15
).rebuild_attempts)
if ($firstPage.Count -lt 1) {
    throw "C18Z39 smoke needs at least one rebuild attempt in the ledger."
}

$sample = $firstPage | Select-Object -First 1
$routeID = [string]$sample.route_id
$reporterNodeID = [string]$sample.reporter_node_id
$serviceClass = [string]$sample.service_class
$generation = [string]$sample.generation

$filteredDeep = @((
    Invoke-Api -Path "/clusters/$ClusterID/fabric/service-channels/rebuild-attempts?actor_user_id=$ActorUserID&reporter_node_id=$reporterNodeID&route_id=$routeID&service_class=$serviceClass&generation=$generation&limit=5&offset=0&enrichment=deep" -TimeoutSec 30
).rebuild_attempts)

$secondPage = @((
    Invoke-Api -Path "/clusters/$ClusterID/fabric/service-channels/rebuild-attempts?actor_user_id=$ActorUserID&limit=1&offset=1&enrichment=summary" -TimeoutSec 15
).rebuild_attempts)

$filteredAllMatch = $filteredDeep.Count -ge 1 -and @($filteredDeep | Where-Object {
    [string]$_.reporter_node_id -eq $reporterNodeID -and
    [string]$_.route_id -eq $routeID -and
    [string]$_.service_class -eq $serviceClass -and
    [string]$_.generation -eq $generation
}).Count -eq $filteredDeep.Count

$offsetMoved = $true
if ($firstPage.Count -gt 1 -and $secondPage.Count -gt 0) {
    $offsetMoved = ([string]$firstPage[1].id -eq [string]$secondPage[0].id) -and ([string]$firstPage[0].id -ne [string]$secondPage[0].id)
}

$deepHasCorrelation = $false
if ($filteredDeep.Count -gt 0) {
    $deepHasCorrelation = $null -ne $filteredDeep[0].timeline -or [string]$filteredDeep[0].guard_status -ne ""
}

$backendLine = (& ssh $DockerSSH "docker ps --format '{{.Names}} {{.Image}} {{.Status}}' | grep '^rap_test_backend '") | Out-String

$result = [ordered]@{
    schema_version = "c18z39.service_channel_rebuild_ledger_drilldown_smoke.v1"
    cluster_id = $ClusterID
    route_id = $routeID
    reporter_node_id = $reporterNodeID
    service_class = $serviceClass
    generation = $generation
    passed = [bool](
        $backendLine.Contains($ExpectedBackendImage) -and
        $firstPage.Count -ge 1 -and
        $filteredAllMatch -and
        $offsetMoved -and
        $deepHasCorrelation
    )
    checks = [ordered]@{
        backend_expected_image_deployed = $backendLine.Contains($ExpectedBackendImage)
        first_page_returned = ($firstPage.Count -ge 1)
        filtered_deep_all_match = $filteredAllMatch
        offset_page_matches_expected_second_row = $offsetMoved
        filtered_deep_has_timeline_or_guard = $deepHasCorrelation
    }
    summary = [ordered]@{
        backend_container = $backendLine.Trim()
        first_page_count = $firstPage.Count
        second_page_count = $secondPage.Count
        filtered_deep_count = $filteredDeep.Count
        first_page_ids = @($firstPage | ForEach-Object { [string]$_.id })
        second_page_ids = @($secondPage | ForEach-Object { [string]$_.id })
        filtered_sample = ($filteredDeep | Select-Object -First 1)
    }
}

$resultFullPath = Join-Path $repoRoot $ResultPath
$resultDir = Split-Path -Parent $resultFullPath
if (-not (Test-Path $resultDir)) {
    New-Item -ItemType Directory -Path $resultDir | Out-Null
}
$result | ConvertTo-Json -Depth 100 | Set-Content -Path $resultFullPath -Encoding UTF8

if (-not $result.passed) {
    throw "C18Z39 service-channel rebuild ledger drilldown smoke failed. Result: $resultFullPath"
}

Write-Host "C18Z39 service-channel rebuild ledger drilldown smoke passed. Result: $resultFullPath"
$result