#Requires -Version 5.1
#Requires -RunAsAdministrator
<#
.SYNOPSIS
    Stops and removes the MailOrganizer Windows service via NSSM.

.PARAMETER ServiceName
    Name of the Windows service (default: MailOrganizer)

.PARAMETER NssmPath
    Path to nssm.exe (default: looks in PATH, then tools\nssm.exe)

.EXAMPLE
    .\Uninstall-Service.ps1
    .\Uninstall-Service.ps1 -ServiceName "MailOrganizer-Test"
#>

param(
    [string]$ServiceName = "MailOrganizer",
    [string]$NssmPath
)

$ErrorActionPreference = "Stop"

# --- Locate NSSM ---
if ($NssmPath -and (Test-Path $NssmPath)) {
    $nssm = $NssmPath
}
elseif (Get-Command nssm -ErrorAction SilentlyContinue) {
    $nssm = (Get-Command nssm).Source
}
else {
    $toolsPath = Join-Path (Split-Path $PSScriptRoot -Parent) "tools\nssm.exe"
    if (Test-Path $toolsPath) {
        $nssm = $toolsPath
    }
    else {
        Write-Host "ERROR: NSSM not found. Provide -NssmPath, add to PATH, or place in tools\nssm.exe" -ForegroundColor Red
        exit 1
    }
}

# --- Check if service exists ---
$existing = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
if (-not $existing) {
    Write-Host "Service '$ServiceName' not found. Nothing to uninstall." -ForegroundColor Yellow
    exit 0
}

# --- Stop service if running ---
if ($existing.Status -eq "Running") {
    Write-Host "Stopping service '$ServiceName'..."
    & $nssm stop $ServiceName
    Start-Sleep -Seconds 2
}

# --- Remove service ---
Write-Host "Removing service '$ServiceName'..."
& $nssm remove $ServiceName confirm
if ($LASTEXITCODE -ne 0) { throw "NSSM remove failed" }

Write-Host "Service '$ServiceName' removed successfully." -ForegroundColor Green