param(
  [string]$Instruction = "",
  [string]$Mode = "",
  [switch]$ControlledApply,
  [switch]$RunNow,
  [string]$Source = "agent99-submit-request",
  [string]$RequestedBy = "",
  [string]$ExternalId = "",
  [string]$ReplyChatId = "",
  [string]$AgentRoot = "C:\Wooo\Agent99"
)

$ErrorActionPreference = "Stop"

if (-not $Instruction) {
  $Instruction = Read-Host "Agent99 request"
}

if (-not $Instruction) {
  throw "Instruction is required."
}

$allowedModes = @("Status", "Recover", "StartVMs", "PublicSmoke", "HarborRepair", "AwoooRepair", "Perf", "LoadShed", "SelfCheck", "BackupCheck")

function Test-AgentContainsChar {
  param(
    [string]$Text,
    [int[]]$Codes
  )
  foreach ($code in $Codes) {
    if ($Text.IndexOf([string][char]$code) -ge 0) {
      return $true
    }
  }
  return $false
}

function Resolve-AgentRequestMode {
  param(
    [string]$Text,
    [string]$ExplicitMode
  )

  if ($ExplicitMode) {
    if ($ExplicitMode -notin $allowedModes) {
      throw "Mode is not allowlisted: $ExplicitMode"
    }
    return $ExplicitMode
  }

  $lower = $Text.ToLowerInvariant()
  $mentionsPublic = ($lower -match "public|smoke|website|site|route|url|http|502" -or (Test-AgentContainsChar $Text @(0x7DB2, 0x7AD9)))
  $wantsRecovery = ($lower -match "recover|reboot|restore|restart|startup|repair|fix|502" -or (Test-AgentContainsChar $Text @(0x6062, 0x5FA9, 0x91CD, 0x555F, 0x4FEE)))

  if ($mentionsPublic -and $wantsRecovery) {
    return "Recover"
  }

  if ($mentionsPublic) {
    return "PublicSmoke"
  }

  if ($wantsRecovery) {
    return "Recover"
  }

  if ($lower -match "vm|vmware|startvm|start vm|start vms" -or (Test-AgentContainsChar $Text @(0x865B, 0x64EC, 0x4E3B, 0x6A5F))) {
    return "StartVMs"
  }

  if ($lower -match "cpu|load|memory|ram|disk|perf|performance|pressure" -or (Test-AgentContainsChar $Text @(0x6548, 0x80FD, 0x78C1, 0x789F, 0x8CA0, 0x8F09))) {
    return "Perf"
  }

  if ($lower -match "backup|snapshot|restore drill|cron" -or (Test-AgentContainsChar $Text @(0x5099, 0x4EFD))) {
    return "BackupCheck"
  }

  if ($lower -match "self|agent|health|selfcheck" -or (Test-AgentContainsChar $Text @(0x81EA, 0x6AA2, 0x5065, 0x5EB7))) {
    return "SelfCheck"
  }

  if ($lower -match "harbor|registry") {
    return "HarborRepair"
  }

  if ($lower -match "awoooi|k3s|pod|pods") {
    return "AwoooRepair"
  }

  return "Status"
}

$modeName = Resolve-AgentRequestMode $Instruction $Mode
$queueDir = Join-Path $AgentRoot "queue"
$requestDir = Join-Path $AgentRoot "requests"
$evidenceDir = Join-Path $AgentRoot "evidence"
New-Item -ItemType Directory -Force -Path $queueDir, $requestDir, $evidenceDir | Out-Null

$id = "request-" + (Get-Date -Format "yyyyMMdd-HHmmss") + "-" + ([guid]::NewGuid().ToString("N").Substring(0, 8))
$request = [pscustomobject]@{
  id = $id
  instruction = $Instruction
  resolvedMode = $modeName
  controlledApply = [bool]$ControlledApply
  requestedBy = if ($RequestedBy) { $RequestedBy } else { $env:USERNAME }
  source = $Source
  externalId = $ExternalId
  createdAt = (Get-Date -Format o)
}

$requestPath = Join-Path $requestDir "$id.json"
$queuePath = Join-Path $queueDir "$id.json"
$request | ConvertTo-Json -Depth 8 | Set-Content -Path $requestPath -Encoding UTF8
[pscustomobject]@{
  id = $id
  mode = $modeName
  controlledApply = [bool]$ControlledApply
  requestedBy = if ($RequestedBy) { $RequestedBy } else { $env:USERNAME }
  source = $Source
  externalId = $ExternalId
  reason = "operator_instruction"
  instruction = $Instruction
  requestPath = $requestPath
  replyChatId = $ReplyChatId
  createdAt = (Get-Date -Format o)
} | ConvertTo-Json -Depth 8 | Set-Content -Path $queuePath -Encoding UTF8

$result = [pscustomobject]@{
  ok = $true
  id = $id
  instruction = $Instruction
  resolvedMode = $modeName
  controlledApply = [bool]$ControlledApply
  requestPath = $requestPath
  queuePath = $queuePath
  runNow = [bool]$RunNow
  controlExitCode = $null
}

if ($RunNow) {
  $launcher = Join-Path $AgentRoot "agent99-run.ps1"
  $process = Start-Process -FilePath "powershell.exe" -ArgumentList @("-NoProfile", "-ExecutionPolicy", "Bypass", "-File", $launcher, "-Mode", "ControlTick") -Wait -PassThru -WindowStyle Hidden
  $process.Refresh()
  $result.controlExitCode = $process.ExitCode
}

$submitEvidence = Join-Path $evidenceDir "agent99-submit-$id.json"
$result | ConvertTo-Json -Depth 8 | Set-Content -Path $submitEvidence -Encoding UTF8
$result | ConvertTo-Json -Depth 8