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-0.2.211",
    [string]$ExpectedNodeAgentImage = "rap-node-agent:0.2.208",
    [string]$ResultPath = "artifacts\c18z31-service-channel-rebuild-ledger-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]$Path)
    return Invoke-RestMethod -Method Get -Uri "$ApiBaseUrl$Path" -TimeoutSec 30
}

function Get-NodeByName {
    param([string]$Name)
    $nodes = (Invoke-Api -Path "/clusters/$ClusterID/nodes?actor_user_id=$ActorUserID").nodes
    $node = @($nodes | Where-Object { $_.name -eq $Name }) | Select-Object -First 1
    if ($null -eq $node) {
        throw "Node '$Name' was not found in cluster $ClusterID"
    }
    return $node
}

$baseSmokePath = Join-Path $scriptDir "c18z6-live-service-channel-active-rebuild-smoke.ps1"
$baseResultPath = "artifacts\c18z31-base-active-rebuild-smoke-result.json"
& $baseSmokePath `
    -ApiBaseUrl $ApiBaseUrl `
    -ClusterID $ClusterID `
    -ActorUserID $ActorUserID `
    -EntryNodeName $EntryNodeName `
    -ExitNodeName $ExitNodeName `
    -EntryBaseUrl $EntryBaseUrl `
    -DockerSSH $DockerSSH `
    -PreRebuildBatchCount 4 `
    -PostRebuildBatchCount 8 `
    -PacketsPerBatch 4 `
    -BatchDelayMilliseconds 20 `
    -RequiredNodeVersion "0.2.208" `
    -ResultPath $baseResultPath | Out-Null

$baseResultFullPath = Join-Path $repoRoot $baseResultPath
$baseResult = Get-Content $baseResultFullPath -Raw | ConvertFrom-Json
$entryNode = Get-NodeByName -Name $EntryNodeName
$primaryRouteID = [string]$baseResult.route_intents.primary_route_intent_id
$alternateRouteID = [string]$baseResult.route_intents.alternate_route_intent_id

$ledger = (Invoke-Api -Path "/clusters/$ClusterID/fabric/service-channels/rebuild-attempts?actor_user_id=$ActorUserID&reporter_node_id=$($entryNode.id)&route_id=$primaryRouteID&limit=20").rebuild_attempts
$matching = @($ledger | Where-Object {
    $_.route_id -eq $primaryRouteID -and
    $_.replacement_route_id -eq $alternateRouteID -and
    $_.rebuild_status -eq "applied" -and
    $_.outcome -eq "replacement_selected"
})

$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

$sample = $matching | Select-Object -First 1
$result = [ordered]@{
    schema_version = "c18z31.service_channel_rebuild_ledger_smoke.v1"
    cluster_id = $ClusterID
    entry_node = @{ name = $entryNode.name; id = $entryNode.id }
    primary_route_id = $primaryRouteID
    alternate_route_id = $alternateRouteID
    passed = [bool](
        $backendLine.Contains($ExpectedBackendImage) -and
        $nodeLines.Contains($ExpectedNodeAgentImage) -and
        $matching.Count -ge 1 -and
        [string]$sample.rebuild_request_id -ne "" -and
        [string]$sample.policy_fingerprint -ne "" -and
        [string]$sample.generation -ne "" -and
        @($sample.old_hops).Count -gt 0 -and
        @($sample.replacement_hops).Count -gt 0
    )
    checks = [ordered]@{
        backend_expected_image_deployed = $backendLine.Contains($ExpectedBackendImage)
        node_agent_expected_image_deployed = $nodeLines.Contains($ExpectedNodeAgentImage)
        ledger_has_matching_applied_rebuild = ($matching.Count -ge 1)
        ledger_has_request_id = ([string]$sample.rebuild_request_id -ne "")
        ledger_has_policy_fingerprint = ([string]$sample.policy_fingerprint -ne "")
        ledger_has_generation = ([string]$sample.generation -ne "")
        ledger_has_old_and_replacement_hops = (@($sample.old_hops).Count -gt 0 -and @($sample.replacement_hops).Count -gt 0)
    }
    summary = [ordered]@{
        backend_container = $backendLine.Trim()
        node_containers = $nodeLines.Trim()
        ledger_count = @($ledger).Count
        matching_count = $matching.Count
        sample = $sample
        base_smoke_result = $baseResultFullPath
    }
}

$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 "C18Z31 service-channel rebuild ledger smoke failed. Result: $resultFullPath"
}

Write-Host "C18Z31 service-channel rebuild ledger smoke passed. Result: $resultFullPath"
$result