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]$ExitNodeName = "test-2",
    [string]$EntryBaseUrl = "http://192.168.200.61:19131",
    [string]$DockerSSH = "test-docker",
    [string]$ExpectedBackendImage = "rap-backend:fabric-service-channel-0.2.213",
    [string]$ExpectedNodeAgentImage = "rap-node-agent:0.2.208",
    [string]$ResultPath = "artifacts\c18z32-service-channel-rebuild-timeline-smoke-result.json"
)

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

$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$repoRoot = (Resolve-Path (Join-Path $scriptDir "..\..")).ProviderPath
$baseResultPath = "artifacts\c18z32-base-rebuild-ledger-smoke-result.json"

& (Join-Path $scriptDir "c18z31-service-channel-rebuild-ledger-smoke.ps1") `
    -ApiBaseUrl $ApiBaseUrl `
    -ClusterID $ClusterID `
    -ActorUserID $ActorUserID `
    -EntryNodeName $EntryNodeName `
    -ExitNodeName $ExitNodeName `
    -EntryBaseUrl $EntryBaseUrl `
    -DockerSSH $DockerSSH `
    -ExpectedBackendImage $ExpectedBackendImage `
    -ExpectedNodeAgentImage $ExpectedNodeAgentImage `
    -ResultPath $baseResultPath | Out-Null

$baseResult = Get-Content (Join-Path $repoRoot $baseResultPath) -Raw | ConvertFrom-Json
$entryNodeID = [string]$baseResult.entry_node.id
$primaryRouteID = [string]$baseResult.primary_route_id
$alternateRouteID = [string]$baseResult.alternate_route_id

function Get-Prop {
    param([object]$Object, [string]$Name)
    if ($null -eq $Object) { return $null }
    $prop = $Object.PSObject.Properties[$Name]
    if ($null -eq $prop) { return $null }
    return $prop.Value
}

$ledger = (Invoke-RestMethod -Method Get -Uri "$ApiBaseUrl/clusters/$ClusterID/fabric/service-channels/rebuild-attempts?actor_user_id=$ActorUserID&reporter_node_id=$entryNodeID&route_id=$primaryRouteID&replacement_route_id=$alternateRouteID&limit=20&enrichment=deep" -TimeoutSec 30).rebuild_attempts
$matching = @($ledger | Where-Object {
    $_.route_id -eq $primaryRouteID -and
    $_.replacement_route_id -eq $alternateRouteID -and
    $_.rebuild_status -eq "applied" -and
    (Get-Prop $_ "node_transition_matched") -eq $true -and
    (Get-Prop $_ "node_route_generation_matched") -eq $true -and
    (Get-Prop $_ "post_rebuild_selected_route_id")
})
$sample = $matching | Select-Object -First 1
$timelineStages = @()
if ($null -ne $sample -and $null -ne $sample.timeline) {
    $timelineStages = @($sample.timeline | ForEach-Object { [string]$_.stage })
}

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

$result = [ordered]@{
    schema_version = "c18z32.service_channel_rebuild_timeline_smoke.v1"
    cluster_id = $ClusterID
    primary_route_id = $primaryRouteID
    alternate_route_id = $alternateRouteID
    passed = [bool](
        $backendLine.Contains($ExpectedBackendImage) -and
        $nodeLines.Contains($ExpectedNodeAgentImage) -and
        $matching.Count -ge 1 -and
        $timelineStages -contains "backend_decision" -and
        $timelineStages -contains "node_route_manager_transition" -and
        $timelineStages -contains "node_route_generation_apply" -and
        $timelineStages -contains "post_rebuild_traffic" -and
        [string]$sample.node_transition_status -eq "applied_rebuild" -and
        [string]$sample.post_rebuild_selected_route_id -eq $alternateRouteID
    )
    checks = [ordered]@{
        backend_expected_image_deployed = $backendLine.Contains($ExpectedBackendImage)
        node_agent_expected_image_deployed = $nodeLines.Contains($ExpectedNodeAgentImage)
        timeline_has_backend_decision = ($timelineStages -contains "backend_decision")
        timeline_has_node_route_manager_transition = ($timelineStages -contains "node_route_manager_transition")
        timeline_has_node_route_generation_apply = ($timelineStages -contains "node_route_generation_apply")
        timeline_has_post_rebuild_traffic = ($timelineStages -contains "post_rebuild_traffic")
        node_transition_applied_rebuild = ([string]$sample.node_transition_status -eq "applied_rebuild")
        post_rebuild_uses_replacement = ([string]$sample.post_rebuild_selected_route_id -eq $alternateRouteID)
    }
    summary = [ordered]@{
        backend_container = $backendLine.Trim()
        node_containers = $nodeLines.Trim()
        matching_count = $matching.Count
        sample = $sample
        base_smoke_result = (Join-Path $repoRoot $baseResultPath)
    }
}

$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 "C18Z32 service-channel rebuild timeline smoke failed. Result: $resultFullPath"
}

Write-Host "C18Z32 service-channel rebuild timeline smoke passed. Result: $resultFullPath"
$result