[CmdletBinding()]
param(
    [Parameter(Mandatory = $true)]
    [string]$BuildScript,

    [Parameter(Mandatory = $true)]
    [string]$SourceRoot,

    [Parameter(Mandatory = $true)]
    [string]$OutputRoot
)

$ErrorActionPreference = 'Stop'
$taskName = 'MissionCore-E46ENvidiaTaoParser'
$script = (Resolve-Path -LiteralPath $BuildScript).Path
$source = (Resolve-Path -LiteralPath $SourceRoot).Path
New-Item -ItemType Directory -Force -Path $OutputRoot | Out-Null
$output = (Resolve-Path -LiteralPath $OutputRoot).Path
$existing = Get-ScheduledTask -TaskName $taskName -ErrorAction SilentlyContinue
if ($existing -and $existing.State -eq 'Running') {
    throw "$taskName is already running."
}
$logsRoot = 'D:\NDC_MISSIONCORE\runtime\experiments\e46e\logs'
New-Item -ItemType Directory -Force -Path $logsRoot | Out-Null
$stamp = (Get-Date).ToUniversalTime().ToString('yyyyMMddTHHmmssfffZ')
$logPath = Join-Path $logsRoot "e46e-parser-build-$stamp.log"
$powerShell = "$env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe"
$arguments = @(
    '-NoLogo', '-NoProfile', '-NonInteractive', '-ExecutionPolicy', 'Bypass',
    '-File', "`"$script`"", '-SourceRoot', "`"$source`"",
    '-OutputRoot', "`"$output`"", '-LogPath', "`"$logPath`""
) -join ' '
$userId = [System.Security.Principal.WindowsIdentity]::GetCurrent().Name
$action = New-ScheduledTaskAction -Execute $powerShell -Argument $arguments -WorkingDirectory $source
$principal = New-ScheduledTaskPrincipal -UserId $userId -LogonType Interactive -RunLevel Limited
$trigger = New-ScheduledTaskTrigger -Once -At ((Get-Date).AddMinutes(30))
$settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries `
    -StartWhenAvailable -ExecutionTimeLimit ([TimeSpan]::FromHours(3))
Register-ScheduledTask -TaskName $taskName -Action $action -Principal $principal `
    -Trigger $trigger -Settings $settings `
    -Description 'Build the pinned official NVIDIA DeepStream TAO RT-DETR parser.' -Force | Out-Null
Start-ScheduledTask -TaskName $taskName
Write-Host "E46E_PARSER_TASK_STARTED task=$taskName log=$logPath"