param(
    [Parameter(Mandatory = $true)]
    [string]$Root
)

$ErrorActionPreference = "SilentlyContinue"
$Root = $Root.Trim().Trim('"').TrimEnd("\")
$Root = (Resolve-Path -LiteralPath $Root).Path.TrimEnd("\")
$Runtime = Join-Path $Root ".runtime"

function Stop-Tree([int]$Id) {
    Get-CimInstance Win32_Process | Where-Object { $_.ParentProcessId -eq $Id } | ForEach-Object { Stop-Tree $_.ProcessId }
    Stop-Process -Id $Id -Force
}

Write-Host ""
Write-Host "============================================"
Write-Host "  Knowledge Station - Cerrar plataforma"
Write-Host "============================================"
Write-Host ""

if (!(Test-Path $Runtime)) {
    Write-Host "No hay registro de servicios abiertos."
    exit 0
}

foreach ($name in @("backend.pid", "frontend.pid", "server.pid")) {
    $file = Join-Path $Runtime $name
    if (Test-Path $file) {
        $raw = Get-Content $file | Select-Object -First 1
        if ($raw) { Stop-Tree ([int]$raw) }
    }
}

Get-CimInstance Win32_Process |
    Where-Object {
        $_.CommandLine -and
        $_.CommandLine -like "*$Root*" -and
        ($_.CommandLine -like "*uvicorn*backend.app.main:app*" -or $_.CommandLine -like "*next*dev*")
    } |
    ForEach-Object { Stop-Tree $_.ProcessId }

foreach ($name in @("backend.pid", "frontend.pid", "server.pid", "backend.port", "frontend.port", "last.url")) {
    Remove-Item (Join-Path $Runtime $name) -Force
}

Write-Host "Plataforma cerrada de forma segura." -ForegroundColor Green