<#
.SYNOPSIS
    Start ROA2WEB Backend Service

.DESCRIPTION
    Starts the ROA2WEB backend Windows service and validates it's running properly.

.EXAMPLE
    .\Start-ROA2WEB.ps1
#>

[CmdletBinding()]
param(
    [string]$ServiceName = "ROA2WEB-Backend",
    [int]$Timeout = 30
)

$ErrorActionPreference = "Stop"

Write-Host "`n[*] Starting ROA2WEB Backend Service..." -ForegroundColor Cyan

try {
    $service = Get-Service -Name $ServiceName -ErrorAction Stop

    if ($service.Status -eq "Running") {
        Write-Host "    [OK] Service is already running" -ForegroundColor Green
        exit 0
    }

    # Start service
    Start-Service -Name $ServiceName
    Write-Host "    [*] Service start command issued" -ForegroundColor Yellow

    # Wait for service to start
    $elapsed = 0
    while ($service.Status -ne "Running" -and $elapsed -lt $Timeout) {
        Start-Sleep -Seconds 1
        $service.Refresh()
        $elapsed++
        Write-Host "    [*] Waiting for service to start... ($elapsed/$Timeout)" -ForegroundColor Yellow
    }

    if ($service.Status -eq "Running") {
        Write-Host "    [OK] Service started successfully" -ForegroundColor Green

        # Wait a bit and test health endpoint
        Start-Sleep -Seconds 3
        try {
            $response = Invoke-WebRequest -Uri "http://localhost:8000/health" -UseBasicParsing -TimeoutSec 5
            if ($response.StatusCode -eq 200) {
                Write-Host "    [OK] Health check passed" -ForegroundColor Green
            }
        } catch {
            Write-Host "    [WARN] Health check failed (service may still be starting)" -ForegroundColor Yellow
        }

        exit 0
    } else {
        Write-Host "    [ERROR] Service failed to start (Status: $($service.Status))" -ForegroundColor Red
        Write-Host "    Check logs: C:\inetpub\wwwroot\roa2web\logs\backend-stderr.log" -ForegroundColor Yellow
        exit 1
    }
} catch {
    Write-Host "    [ERROR] Failed to start service: $_" -ForegroundColor Red
    exit 1
}