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]$ResultPath = "artifacts\c19z22-remote-workspace-terminal-state-readiness-smoke-result.json"
)

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

$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..\..")).ProviderPath

function Invoke-Api {
    param([string]$Method, [string]$Path, [object]$Body = $null)
    $uri = "$ApiBaseUrl$Path"
    if ($null -eq $Body) { return Invoke-RestMethod -Method $Method -Uri $uri -TimeoutSec 30 }
    return Invoke-RestMethod -Method $Method -Uri $uri -ContentType "application/json" -Body ($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 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 Get-RemoteWorkspaceSinkReports {
    param([string]$NodeID)
    $statuses = (Invoke-Api -Method GET -Path "/clusters/$ClusterID/nodes/$NodeID/workloads/status?actor_user_id=$ActorUserID").workload_statuses
    $workloadStatus = @($statuses | Where-Object { $_.service_type -eq "rdp-worker" } | Select-Object -First 1)
    $workloadSink = $null
    if ($null -ne $workloadStatus) {
        $workloadSink = Get-PropertyValue -Item $workloadStatus.status_payload -Name "remote_workspace_adapter_sink" -Default $null
    }
    $telemetryItems = @((Invoke-Api -Method GET -Path "/clusters/$ClusterID/nodes/$NodeID/telemetry?actor_user_id=$ActorUserID&limit=10").telemetry)
    $telemetry = $telemetryItems | Select-Object -First 1
    $telemetrySink = $null
    if ($null -ne $telemetry) {
        $telemetryPayload = Get-PropertyValue -Item $telemetry -Name "payload" -Default $null
        $telemetrySink = Get-PropertyValue -Item $telemetryPayload -Name "remote_workspace_adapter_sink_report" -Default $null
    }
    return [ordered]@{
        workload_status = $workloadStatus
        workload_sink = $workloadSink
        telemetry = $telemetry
        telemetry_sink = $telemetrySink
    }
}

function Invoke-Control {
    param([string]$SessionID, [string]$Action)
    if ([string]::IsNullOrWhiteSpace($SessionID)) { return $null }
    $url = "$EntryBaseUrl/mesh/v1/remote-workspace/adapter-sessions/$SessionID/control"
    $body = @{ action = $Action; reason = "c19z22 terminal state readiness $Action" } | ConvertTo-Json -Compress
    return Invoke-RestMethod -Method POST -Uri $url -ContentType "application/json" -Body $body -TimeoutSec 30
}

function Test-TerminalReadiness {
    param([object]$Sink, [string]$AdapterSessionID, [string]$TerminalState)
    if ($null -eq $Sink) { return $false }
    $readiness = Get-PropertyValue -Item $Sink -Name "adapter_runtime_readiness" -Default $null
    if ($null -eq $readiness) { return $false }
    $activeAdapterSessionID = Get-PropertyValue -Item $readiness -Name "adapter_session_id" -Default $null
    $rollup = Get-PropertyValue -Item $readiness -Name "last_preflight" -Default $null
    return (
        [string](Get-PropertyValue -Item $readiness -Name "schema_version" -Default "") -eq "rap.remote_workspace_adapter_runtime_readiness.v1" -and
        [string](Get-PropertyValue -Item $readiness -Name "status" -Default "") -eq "idle" -and
        [string](Get-PropertyValue -Item $readiness -Name "diagnostic_state" -Default "") -eq "last_session_terminal_or_expired" -and
        -not [bool](Get-PropertyValue -Item $readiness -Name "ready" -Default $true) -and
        [int](Get-PropertyValue -Item $readiness -Name "active_session_count" -Default -1) -eq 0 -and
        [string](Get-PropertyValue -Item $readiness -Name "last_adapter_session_id" -Default "") -eq $AdapterSessionID -and
        [string](Get-PropertyValue -Item $readiness -Name "last_session_state" -Default "") -eq $TerminalState -and
        $null -eq $activeAdapterSessionID -and
        $null -eq $rollup
    )
}

function Invoke-TerminalStateProbe {
    param([object]$EntryNode, [string]$Action, [string]$TerminalState)
    $sourceResultPath = "artifacts\c19z22-remote-workspace-terminal-state-readiness-$Action-source-result.json"
    $source = & powershell -ExecutionPolicy Bypass -File (Join-Path $PSScriptRoot "c19x-remote-workspace-mailbox-consumer-resume-smoke.ps1") `
        -ApiBaseUrl $ApiBaseUrl `
        -ClusterID $ClusterID `
        -ActorUserID $ActorUserID `
        -EntryNodeName $EntryNodeName `
        -ExitNodeName $ExitNodeName `
        -EntryBaseUrl $EntryBaseUrl `
        -ResultPath $sourceResultPath `
        -SkipClose

    $sourceFile = Join-Path $repoRoot $sourceResultPath
    $sourceResult = Get-Content -Raw -Path $sourceFile | ConvertFrom-Json
    $adapterSessionID = [string](Get-PropertyValue -Item $sourceResult -Name "adapter_session_id" -Default "")
    $control = Invoke-Control -SessionID $adapterSessionID -Action $Action

    $observed = $null
    $deadline = (Get-Date).AddSeconds(90)
    while ((Get-Date) -lt $deadline) {
        Start-Sleep -Seconds 5
        $observed = Get-RemoteWorkspaceSinkReports -NodeID $EntryNode.id
        if (
            (Test-TerminalReadiness -Sink $observed.workload_sink -AdapterSessionID $adapterSessionID -TerminalState $TerminalState) -and
            (Test-TerminalReadiness -Sink $observed.telemetry_sink -AdapterSessionID $adapterSessionID -TerminalState $TerminalState)
        ) {
            break
        }
    }
    if ($null -eq $observed) {
        $observed = Get-RemoteWorkspaceSinkReports -NodeID $EntryNode.id
    }

    $checks = [ordered]@{
        source_smoke_passed = ([bool]$sourceResult.passed)
        adapter_session_id_present = ($adapterSessionID -match "^rap-rw-adapter-session-[0-9a-f]{24}$")
        control_accepted = ([bool]$control.accepted -and [string]$control.action -eq $Action -and [string]$control.session_state -eq $TerminalState)
        workload_terminal_readiness_visible = (Test-TerminalReadiness -Sink $observed.workload_sink -AdapterSessionID $adapterSessionID -TerminalState $TerminalState)
        telemetry_terminal_readiness_visible = (Test-TerminalReadiness -Sink $observed.telemetry_sink -AdapterSessionID $adapterSessionID -TerminalState $TerminalState)
    }
    $failed = @($checks.GetEnumerator() | Where-Object { -not $_.Value } | ForEach-Object { $_.Key })

    return [ordered]@{
        action = $Action
        terminal_state = $TerminalState
        source_result_path = $sourceFile
        adapter_session_id = $adapterSessionID
        source = $sourceResult
        control = $control
        observed = $observed
        checks = $checks
        failed_checks = $failed
        passed = ($failed.Count -eq 0)
    }
}

$entryNode = Get-NodeByName -Name $EntryNodeName
$expireProbe = Invoke-TerminalStateProbe -EntryNode $entryNode -Action "expire" -TerminalState "expired"
$resetProbe = Invoke-TerminalStateProbe -EntryNode $entryNode -Action "reset" -TerminalState "reset"

$checks = [ordered]@{
    expire_terminal_readiness_visible = ([bool]$expireProbe.passed)
    reset_terminal_readiness_visible = ([bool]$resetProbe.passed)
}
$failed = @($checks.GetEnumerator() | Where-Object { -not $_.Value } | ForEach-Object { $_.Key })

$result = [ordered]@{
    schema_version = "c19z22.remote_workspace_terminal_state_readiness_smoke.v1"
    cluster_id = $ClusterID
    entry_node = [ordered]@{ id = $entryNode.id; name = $entryNode.name }
    expire_probe = $expireProbe
    reset_probe = $resetProbe
    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 "C19Z22 remote workspace terminal-state readiness smoke failed. Result: $fullResultPath Failed: $($failed -join ', ')"
}

Write-Host "C19Z22 remote workspace terminal-state readiness smoke passed. Result: $fullResultPath"
$result