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\c19z54-remote-workspace-real-adapter-handoff-v4-smoke-result.json"
)

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

$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..\..")).ProviderPath
$runId = "c19z54-" + (Get-Date -Format "yyyyMMdd-HHmmss")
$requiredEnv = @(
    "RAP_REMOTE_WORKSPACE_REAL_ADAPTER_ENABLED",
    "RAP_REMOTE_WORKSPACE_REAL_ADAPTER_COMMAND",
    "RAP_REMOTE_WORKSPACE_REAL_ADAPTER_ARGS_JSON",
    "RAP_REMOTE_WORKSPACE_REAL_ADAPTER_WORKDIR"
)
$requiredGates = @(
    "real_runtime_stage_enabled",
    "fabric_service_channel_runtime_ready",
    "adapter_process_supervisor_enabled",
    "payload_forwarding_contract_enabled"
)
$requiredPreconditionChecks = @(
    "real_runtime_stage_enabled",
    "command_config_validated",
    "workdir_config_validated",
    "process_identity_policy_bound",
    "fabric_service_channel_runtime_ready",
    "payload_forwarding_contract_enabled",
    "health_probe_contract_enabled"
)
$requiredHealthSignals = @(
    "process_started",
    "process_exit_status",
    "adapter_control_channel_ready",
    "fabric_service_channel_bound",
    "payload_forwarding_contract_ready"
)
$requiredFeatures = @(
    "config_projection",
    "activation_decision",
    "missing_gates",
    "process_supervisor_preconditions",
    "process_supervisor_start_disabled",
    "process_health_probe",
    "process_health_probe_disabled",
    "raw_values_redacted"
)

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 Test-FeatureMap {
    param([object]$Features)
    if ($null -eq $Features) { return $false }
    foreach ($feature in $requiredFeatures) {
        if (-not [bool](Get-PropertyValue -Item $Features -Name $feature -Default $false)) { 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 = $ActorUserID
        desired_state = "enabled"
        version = "c19z54-real-adapter-handoff-v4-$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 New-HandoffRow {
    param([object]$Node, [object]$Status, [bool]$ExpectedEnabledRequested, [string]$ExpectedArgsShape, [bool]$ExpectedConfigPresent)
    $payload = Get-PropertyValue -Item $Status -Name "status_payload" -Default $null
    $contract = Get-PropertyValue -Item $payload -Name "real_adapter_supervision" -Default $null
    $projection = Get-PropertyValue -Item $contract -Name "config_projection" -Default $null
    $decision = Get-PropertyValue -Item $contract -Name "activation_decision" -Default $null
    $preconditions = Get-PropertyValue -Item $contract -Name "process_supervisor_preconditions" -Default $null
    $health = Get-PropertyValue -Item $contract -Name "process_health_probe" -Default $null
    $features = Get-PropertyValue -Item $contract -Name "features" -Default $null
    $statusContract = Get-PropertyValue -Item $contract -Name "status_contract" -Default @()

    $enabledRequested = [bool](Get-PropertyValue -Item $projection -Name "enabled_requested" -Default $false)
    $decisionEnabledRequested = [bool](Get-PropertyValue -Item $decision -Name "enabled_requested" -Default (-not $enabledRequested))

    $contractCompatible = (
        [string](Get-PropertyValue -Item $contract -Name "schema_version" -Default "") -eq "rap.remote_workspace_real_adapter_supervision.v1" -and
        -not [bool](Get-PropertyValue -Item $contract -Name "enabled" -Default $true) -and
        [string](Get-PropertyValue -Item $contract -Name "payload_traffic" -Default "") -eq "none" -and
        (Test-RequiredItems -Items (Get-PropertyValue -Item $contract -Name "config_env" -Default @()) -Required $requiredEnv) -and
        (Test-ArrayItem -Items $statusContract -Want "process_health_probe")
    )
    $projectionCompatible = (
        [string](Get-PropertyValue -Item $projection -Name "schema_version" -Default "") -eq "rap.remote_workspace_real_adapter_config_projection.v1" -and
        $enabledRequested -eq $ExpectedEnabledRequested -and
        -not [bool](Get-PropertyValue -Item $projection -Name "activation_allowed" -Default $true) -and
        [string](Get-PropertyValue -Item $projection -Name "args_json_shape" -Default "") -eq $ExpectedArgsShape -and
        [bool](Get-PropertyValue -Item $projection -Name "raw_values_redacted" -Default $false)
    )
    $decisionCompatible = (
        [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
        $decisionEnabledRequested -eq $ExpectedEnabledRequested -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 "missing_gates" -Default @()) -Required $requiredGates)
    )
    $preconditionsCompatible = (
        [string](Get-PropertyValue -Item $preconditions -Name "schema_version" -Default "") -eq "rap.remote_workspace_real_adapter_process_supervisor_preconditions.v1" -and
        -not [bool](Get-PropertyValue -Item $preconditions -Name "process_start_allowed" -Default $true) -and
        [bool](Get-PropertyValue -Item $preconditions -Name "command_config_present" -Default (-not $ExpectedConfigPresent)) -eq $ExpectedConfigPresent -and
        [bool](Get-PropertyValue -Item $preconditions -Name "args_config_present" -Default (-not $ExpectedConfigPresent)) -eq $ExpectedConfigPresent -and
        [bool](Get-PropertyValue -Item $preconditions -Name "workdir_config_present" -Default (-not $ExpectedConfigPresent)) -eq $ExpectedConfigPresent -and
        (Test-RequiredItems -Items (Get-PropertyValue -Item $preconditions -Name "missing_checks" -Default @()) -Required $requiredPreconditionChecks)
    )
    $healthCompatible = (
        [string](Get-PropertyValue -Item $health -Name "schema_version" -Default "") -eq "rap.remote_workspace_real_adapter_process_health_probe.v1" -and
        -not [bool](Get-PropertyValue -Item $health -Name "health_probe_enabled" -Default $true) -and
        [string](Get-PropertyValue -Item $health -Name "payload_traffic" -Default "") -eq "none" -and
        (Test-RequiredItems -Items (Get-PropertyValue -Item $health -Name "missing_signals" -Default @()) -Required $requiredHealthSignals)
    )
    $featuresCompatible = Test-FeatureMap -Features $features
    $aligned = (
        $enabledRequested -eq $decisionEnabledRequested -and
        [bool](Get-PropertyValue -Item $features -Name "process_health_probe" -Default $false) -eq ($null -ne $health) -and
        -not [bool](Get-PropertyValue -Item $preconditions -Name "process_start_allowed" -Default $true) -and
        -not [bool](Get-PropertyValue -Item $health -Name "health_probe_enabled" -Default $true) -and
        [string](Get-PropertyValue -Item $contract -Name "payload_traffic" -Default "") -eq [string](Get-PropertyValue -Item $decision -Name "payload_traffic" -Default "") -and
        [string](Get-PropertyValue -Item $health -Name "payload_traffic" -Default "") -eq "none"
    )

    return [ordered]@{
        node_id = $Node.id
        node_name = $Node.name
        reported_state = Get-PropertyValue -Item $Status -Name "reported_state" -Default $null
        execution_mode = Get-PropertyValue -Item $payload -Name "execution_mode" -Default $null
        enabled_requested = $enabledRequested
        args_json_shape = Get-PropertyValue -Item $projection -Name "args_json_shape" -Default $null
        activation_decision = Get-PropertyValue -Item $decision -Name "decision" -Default $null
        process_start_allowed = Get-PropertyValue -Item $preconditions -Name "process_start_allowed" -Default $null
        health_probe_enabled = Get-PropertyValue -Item $health -Name "health_probe_enabled" -Default $null
        health_missing_signals = Get-PropertyValue -Item $health -Name "missing_signals" -Default @()
        contract_compatible = $contractCompatible
        projection_compatible = $projectionCompatible
        decision_compatible = $decisionCompatible
        features_compatible = $featuresCompatible
        preconditions_compatible = $preconditionsCompatible
        health_probe_compatible = $healthCompatible
        all_contracts_aligned = $aligned
        passed = ($contractCompatible -and $projectionCompatible -and $decisionCompatible -and $featuresCompatible -and $preconditionsCompatible -and $healthCompatible -and $aligned)
    }
}

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

$requestedStatus = $null
$defaultStatus = $null
$rows = @()
$deadline = (Get-Date).AddSeconds(80)
while ((Get-Date) -lt $deadline) {
    Start-Sleep -Seconds 5
    $requestedStatus = Get-RdpWorkerStatus -NodeID $requestedNode.id
    $defaultStatus = Get-RdpWorkerStatus -NodeID $defaultNode.id
    if ($null -ne $requestedStatus -and $null -ne $defaultStatus) {
        $rows = @(
            (New-HandoffRow -Node $requestedNode -Status $requestedStatus -ExpectedEnabledRequested $true -ExpectedArgsShape "json_array" -ExpectedConfigPresent $true),
            (New-HandoffRow -Node $defaultNode -Status $defaultStatus -ExpectedEnabledRequested $false -ExpectedArgsShape "absent" -ExpectedConfigPresent $false)
        )
        if (@($rows | Where-Object { -not $_.passed }).Count -eq 0) { break }
    }
}

$checks = [ordered]@{
    requested_status_present = ($null -ne $requestedStatus)
    default_status_present = ($null -ne $defaultStatus)
    handoff_rows_present = ($rows.Count -eq 2)
    all_rows_passed = (@($rows | Where-Object { -not $_.passed }).Count -eq 0)
}
$failed = @($checks.GetEnumerator() | Where-Object { -not $_.Value } | ForEach-Object { $_.Key })

$result = [ordered]@{
    schema_version = "c19z54.remote_workspace_real_adapter_handoff_v4_smoke.v1"
    cluster_id = $ClusterID
    required_env = $requiredEnv
    required_gates = $requiredGates
    required_precondition_checks = $requiredPreconditionChecks
    required_health_signals = $requiredHealthSignals
    required_features = $requiredFeatures
    handoff_rows = $rows
    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 "C19Z54 remote workspace real-adapter handoff v4 smoke failed. Result: $fullResultPath Failed: $($failed -join ', ')"
}

Write-Host "C19Z54 remote workspace real-adapter handoff v4 smoke passed. Result: $fullResultPath"
$result