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]$ExpectedBackendImage = "rap-backend:fabric-service-channel-0.2.228",
    [string]$ResultPath = "artifacts\c18z46-service-channel-rebuild-snapshot-health-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-ApiGet {
    param([string]$Path, [int]$TimeoutSec = 30)
    Invoke-RestMethod -Method Get -Uri "$ApiBaseUrl$Path" -TimeoutSec $TimeoutSec
}

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
}

$schemaStatus = (Invoke-ApiGet -Path "/clusters/$ClusterID/fabric/service-channels/schema-status?actor_user_id=$ActorUserID" -TimeoutSec 15).fabric_service_channel_schema_status
$health = (Invoke-ApiGet -Path "/clusters/$ClusterID/fabric/service-channels/rebuild-snapshots/health?actor_user_id=$ActorUserID&limit=50&min_age_seconds=60&heartbeat_threshold=2" -TimeoutSec 30).rebuild_snapshot_health
$backendLine = (& ssh $DockerSSH "docker ps --format '{{.Names}} {{.Image}} {{.Status}}' | grep '^rap_test_backend '") | Out-String

$result = [ordered]@{
    schema_version = "c18z46.service_channel_rebuild_snapshot_health_smoke.v1"
    cluster_id = $ClusterID
    passed = [bool](
        $backendLine.Contains($ExpectedBackendImage) -and
        [string](Get-Prop $schemaStatus "status") -ne "" -and
        [string](Get-Prop $health "status") -ne "" -and
        [int](Get-Prop $health "window_limit") -eq 50 -and
        [int](Get-Prop $health "heartbeat_threshold") -eq 2 -and
        [int](Get-Prop $health "recent_attempt_count") -ge 0 -and
        [int](Get-Prop $health "auto_warmup_event_count") -ge 0
    )
    checks = [ordered]@{
        backend_expected_image_deployed = $backendLine.Contains($ExpectedBackendImage)
        schema_status_present = ([string](Get-Prop $schemaStatus "status") -ne "")
        health_status_present = ([string](Get-Prop $health "status") -ne "")
        health_window_limit_honored = ([int](Get-Prop $health "window_limit") -eq 50)
        health_heartbeat_threshold_honored = ([int](Get-Prop $health "heartbeat_threshold") -eq 2)
        health_recent_attempt_count_present = ([int](Get-Prop $health "recent_attempt_count") -ge 0)
        health_auto_warmup_count_present = ([int](Get-Prop $health "auto_warmup_event_count") -ge 0)
    }
    summary = [ordered]@{
        backend_container = $backendLine.Trim()
        schema_status = $schemaStatus
        snapshot_health = $health
    }
}

$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 "C18Z46 service-channel rebuild snapshot health smoke failed. Result: $resultFullPath"
}

Write-Host "C18Z46 service-channel rebuild snapshot health smoke passed. Result: $resultFullPath"
$result