<#
.SYNOPSIS
  Stop and remove the FlatRender Node Agent Windows service.
.EXAMPLE
  .\uninstall-service.ps1
#>
param(
  [string]$ServiceName = "FlatRenderNodeAgent"
)

$ErrorActionPreference = "Stop"

$principal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
  Write-Error "This script must be run as Administrator."
  exit 1
}

$svc = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
if (-not $svc) {
  Write-Host "Service '$ServiceName' is not installed — nothing to do."
  exit 0
}

if ($svc.Status -ne 'Stopped') {
  Write-Host "Stopping '$ServiceName'..."
  Stop-Service -Name $ServiceName -Force -ErrorAction SilentlyContinue
  Start-Sleep -Seconds 2
}

& sc.exe delete $ServiceName | Out-Null
Write-Host "✓ Service '$ServiceName' removed." -ForegroundColor Green