# publish\undeploy.ps1 — Stop and remove the BCDL Windows service and deployed files
# Usage: .\publish\undeploy.ps1 [-DeployPath "C:\etl\bcdl"] [-KeepFiles]

param(
    [string]$DeployPath = "C:\etl\bcdl",
    [switch]$KeepFiles
)

# Auto-elevate to Administrator if not already
if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    $keepArg = if ($KeepFiles) { " -KeepFiles" } else { "" }
    Start-Process powershell.exe "-NoExit -NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`" -DeployPath `"$DeployPath`"$keepArg" -Verb RunAs
    exit
}

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

# Stop and remove the service
$svc = Get-Service -Name "bcdl-web" -ErrorAction SilentlyContinue
if ($null -ne $svc) {
    if ($svc.Status -ne "Stopped") {
        Write-Host "Stopping bcdl-web service..." -ForegroundColor Cyan
        Stop-Service -Name "bcdl-web" -NoWait -Force -ErrorAction SilentlyContinue
        $deadline = (Get-Date).AddSeconds(20)
        while ((Get-Service -Name "bcdl-web").Status -ne "Stopped" -and (Get-Date) -lt $deadline) {
            Start-Sleep -Milliseconds 500
        }
        if ((Get-Service -Name "bcdl-web").Status -ne "Stopped") {
            Write-Host "Service did not stop in time, killing caddy.exe..." -ForegroundColor Yellow
            taskkill /F /IM caddy.exe 2>$null
            Start-Sleep -Seconds 2
        }
    }
    Write-Host "Removing bcdl-web service..." -ForegroundColor Cyan
    sc.exe delete "bcdl-web"
    Write-Host "Service removed." -ForegroundColor Green
} else {
    Write-Host "Service 'bcdl-web' not found, skipping." -ForegroundColor Yellow
}

# Remove deployed files unless -KeepFiles was specified
if (-not $KeepFiles) {
    if (Test-Path "$DeployPath\dist") {
        Write-Host "Removing $DeployPath\dist..." -ForegroundColor Cyan
        Remove-Item "$DeployPath\dist" -Recurse -Force
    }
    if (Test-Path "$DeployPath\Caddyfile") {
        Write-Host "Removing $DeployPath\Caddyfile..." -ForegroundColor Cyan
        Remove-Item "$DeployPath\Caddyfile" -Force
    }
    Write-Host "Deployed files removed." -ForegroundColor Green
} else {
    Write-Host "Skipping file removal (-KeepFiles specified)." -ForegroundColor Yellow
}

Write-Host "Uninstall complete." -ForegroundColor Green