param(
    [string]$ApiBaseUrl = "http://192.168.200.61:18121/api/v1",
    [string]$ClusterID = "cfc0743d-d960-49fb-9de8-96e063d5e4aa",
    [string]$ActorUserID = "f67d943f-5397-4b3a-a229-695fe67ad700",
    [string]$RequestedNodeName = "test-1",
    [string]$DefaultNodeName = "test-2",
    [string]$ResultPath = "artifacts\c19z39-remote-workspace-real-adapter-activation-decision-smoke-result.json"
)

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

$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..\..")).ProviderPath
$runId = "c19z39-" + (Get-Date -Format "yyyyMMdd-HHmmss")
$requiredGates = @(
    "real_runtime_stage_enabled",
    "fabric_service_channel_runtime_ready",
    "adapter_process_supervisor_enabled",
    "payload_forwarding_contract_enabled"
)

function Invoke-Api {
    param([string]$Method, [string]$Path, [object]$Body = $null)
    if ($null -eq $Body) {
        return Invoke-RestMethod -Method $Method -Uri "$ApiBaseUrl$Path" -TimeoutSec 30
    }
    return Invoke-RestMethod -Method $Method -Uri "$ApiBaseUrl$Path" -ContentType "application/json" -Body ($Body | ConvertTo-Json -Depth 80) -TimeoutSec 30
}

function Get-PropertyValue {
    param([object]$Item, [string]$Name, [object]$Default = $null)
    if ($null -eq $Item) { return $Default }
    $property = $Item.PSObject.Properties[$Name]
    if ($null -eq $property) { return $Default }
    return $property.Value
}

function Test-ArrayItem {
    param([object]$Items, [string]$Want)
    foreach ($item in @($Items)) {
        if ([string]$item -eq $Want) { return $true }
    }
    return $false
}

function Test-RequiredItems {
    param([object]$Items, [string[]]$Required)
    foreach ($item in $Required) {
        if (-not (Test-ArrayItem -Items $Items -Want $item)) { return $false }
    }
    return $true
}

function Get-NodeByName {
    param([string]$Name)
    $nodes = (Invoke-Api -Method GET -Path "/clusters/$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
}

function Enable-RdpWorkerProbe {
    param([object]$Node)
    Invoke-Api -Method PUT -Path "/clusters/$ClusterID/nodes/$($Node.id)/workloads/rdp-worker/desired" -Body @{
        actor_user_id = $ActorUserID
        desired_state = "enabled"
        version = "c19z39-real-adapter-activation-decision-$runId"
        runtime_mode = "native"
        artifact_ref = "builtin:rdp-worker-adapter-contract-probe"
        config = @{ adapter_contract_probe = $true; service_class = "remote_workspace"; run_id = $runId }
        environment = @{}
    } | Out-Null
}

function Get-RdpWorkerStatus {
    param([string]$NodeID)
    $statuses = (Invoke-Api -Method GET -Path "/clusters/$ClusterID/nodes/$NodeID/workloads/status?actor_user_id=$ActorUserID").workload_statuses
    return @($statuses | Where-Object { $_.service_type -eq "rdp-worker" } | Select-Object -First 1)
}

function Get-RealAdapterContract {
    param([object]$Status)
    $payload = Get-PropertyValue -Item $Status -Name "status_payload" -Default $null
    return Get-PropertyValue -Item $payload -Name "real_adapter_supervision" -Default $null
}

function Test-ActivationDecision {
    param([object]$Status, [bool]$EnabledRequested)
    if ($null -eq $Status) { return $false }
    $payload = Get-PropertyValue -Item $Status -Name "status_payload" -Default $null
    $contract = Get-RealAdapterContract -Status $Status
    $decision = Get-PropertyValue -Item $contract -Name "activation_decision" -Default $null
    if ($null -eq $decision) { return $false }
    return (
        [string](Get-PropertyValue -Item $payload -Name "execution_mode" -Default "") -eq "contract_probe" -and
        [string](Get-PropertyValue -Item $payload -Name "traffic" -Default "") -eq "none" -and
        -not [bool](Get-PropertyValue -Item $contract -Name "enabled" -Default $true) -and
        [string](Get-PropertyValue -Item $contract -Name "payload_traffic" -Default "") -eq "none" -and
        [string](Get-PropertyValue -Item $decision -Name "schema_version" -Default "") -eq "rap.remote_workspace_real_adapter_activation_decision.v1" -and
        [string](Get-PropertyValue -Item $decision -Name "decision" -Default "") -eq "blocked" -and
        [string](Get-PropertyValue -Item $decision -Name "reason" -Default "") -eq "real_runtime_stage_not_enabled" -and
        [bool](Get-PropertyValue -Item $decision -Name "enabled_requested" -Default (-not $EnabledRequested)) -eq $EnabledRequested -and
        -not [bool](Get-PropertyValue -Item $decision -Name "activation_allowed" -Default $true) -and
        [string](Get-PropertyValue -Item $decision -Name "payload_traffic" -Default "") -eq "none" -and
        (Test-RequiredItems -Items (Get-PropertyValue -Item $decision -Name "required_gates" -Default @()) -Required $requiredGates) -and
        (Test-RequiredItems -Items (Get-PropertyValue -Item $decision -Name "missing_gates" -Default @()) -Required $requiredGates)
    )
}

$requestedNode = Get-NodeByName -Name $RequestedNodeName
$defaultNode = Get-NodeByName -Name $DefaultNodeName
Enable-RdpWorkerProbe -Node $requestedNode
Enable-RdpWorkerProbe -Node $defaultNode

$requestedStatus = $null
$defaultStatus = $null
$deadline = (Get-Date).AddSeconds(80)
while ((Get-Date) -lt $deadline) {
    Start-Sleep -Seconds 5
    $requestedStatus = Get-RdpWorkerStatus -NodeID $requestedNode.id
    $defaultStatus = Get-RdpWorkerStatus -NodeID $defaultNode.id
    if ((Test-ActivationDecision -Status $requestedStatus -EnabledRequested $true) -and (Test-ActivationDecision -Status $defaultStatus -EnabledRequested $false)) {
        break
    }
}

$requestedContract = Get-RealAdapterContract -Status $requestedStatus
$defaultContract = Get-RealAdapterContract -Status $defaultStatus
$checks = [ordered]@{
    requested_status_present = ($null -ne $requestedStatus)
    default_status_present = ($null -ne $defaultStatus)
    requested_activation_blocked = (Test-ActivationDecision -Status $requestedStatus -EnabledRequested $true)
    default_activation_blocked = (Test-ActivationDecision -Status $defaultStatus -EnabledRequested $false)
}
$failed = @($checks.GetEnumerator() | Where-Object { -not $_.Value } | ForEach-Object { $_.Key })

$result = [ordered]@{
    schema_version = "c19z39.remote_workspace_real_adapter_activation_decision_smoke.v1"
    cluster_id = $ClusterID
    requested_node = [ordered]@{ id = $requestedNode.id; name = $requestedNode.name }
    default_node = [ordered]@{ id = $defaultNode.id; name = $defaultNode.name }
    required_gates = $requiredGates
    requested_activation_decision = Get-PropertyValue -Item $requestedContract -Name "activation_decision" -Default $null
    default_activation_decision = Get-PropertyValue -Item $defaultContract -Name "activation_decision" -Default $null
    checks = $checks
    failed_checks = $failed
    passed = ($failed.Count -eq 0)
}

$fullResultPath = Join-Path $repoRoot $ResultPath
$resultDir = Split-Path -Parent $fullResultPath
if ($resultDir) { New-Item -ItemType Directory -Force -Path $resultDir | Out-Null }
$result | ConvertTo-Json -Depth 100 | Set-Content -Encoding UTF8 -Path $fullResultPath

if (-not $result.passed) {
    throw "C19Z39 remote workspace real-adapter activation decision smoke failed. Result: $fullResultPath Failed: $($failed -join ', ')"
}

Write-Host "C19Z39 remote workspace real-adapter activation decision smoke passed. Result: $fullResultPath"
$result