# Start Geutebruck API Services
# This script starts GeViServer, SDK Bridge, and Python API

$ErrorActionPreference = "Stop"

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "Starting Geutebruck API Services" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# Paths
$geviServerExe = "C:\GEVISOFT\GeViServer.exe"
$sdkBridgePath = "C:\DEV\COPILOT\geutebruck-api\src\sdk-bridge\GeViScopeBridge\bin\Release\net8.0"
$sdkBridgeExe = "$sdkBridgePath\GeViScopeBridge.exe"
$apiPath = "C:\DEV\COPILOT\geutebruck-api\src\api"
$venvPython = "C:\DEV\COPILOT\geutebruck-api\.venv\Scripts\python.exe"
$uvicorn = "C:\DEV\COPILOT\geutebruck-api\.venv\Scripts\uvicorn.exe"

# Function to wait for port to be listening
function Wait-ForPort {
    param(
        [int]$Port,
        [int]$TimeoutSeconds = 60
    )

    $elapsed = 0
    while ($elapsed -lt $TimeoutSeconds) {
        $connection = Get-NetTCPConnection -LocalPort $Port -State Listen -ErrorAction SilentlyContinue
        if ($connection) {
            return $true
        }
        Start-Sleep -Seconds 2
        $elapsed += 2
        Write-Host "." -NoNewline -ForegroundColor Gray
    }
    return $false
}

# Check if already running
$geviServerRunning = Get-Process -Name "GeViServer" -ErrorAction SilentlyContinue
$sdkBridgeRunning = Get-Process -Name "GeViScopeBridge" -ErrorAction SilentlyContinue
$uvicornRunning = Get-Process -Name "uvicorn" -ErrorAction SilentlyContinue

# Start GeViServer
if ($geviServerRunning) {
    Write-Host "[SKIP] GeViServer is already running (PID: $($geviServerRunning.Id))" -ForegroundColor Yellow
} else {
    Write-Host "[1/3] Starting GeViServer..." -ForegroundColor Green
    Start-Process -FilePath $geviServerExe -ArgumentList "console" -WorkingDirectory "C:\GEVISOFT" -WindowStyle Hidden

    # Wait for GeViServer to start listening on port 7700
    Write-Host "      Waiting for GeViServer to initialize" -NoNewline -ForegroundColor Gray
    if (Wait-ForPort -Port 7700 -TimeoutSeconds 60) {
        Write-Host ""
        $process = Get-Process -Name "GeViServer" -ErrorAction SilentlyContinue
        Write-Host "      [OK] GeViServer started (PID: $($process.Id))" -ForegroundColor Green
    } else {
        Write-Host ""
        Write-Host "      [ERROR] GeViServer failed to start listening on port 7700" -ForegroundColor Red
        exit 1
    }
}

# Start SDK Bridge
if ($sdkBridgeRunning) {
    Write-Host "[SKIP] SDK Bridge is already running (PID: $($sdkBridgeRunning.Id))" -ForegroundColor Yellow
} else {
    Write-Host "[2/3] Starting SDK Bridge..." -ForegroundColor Green
    Start-Process -FilePath $sdkBridgeExe -WorkingDirectory $sdkBridgePath -WindowStyle Hidden

    # Wait for SDK Bridge to start listening on port 50051
    Write-Host "      Waiting for SDK Bridge to connect" -NoNewline -ForegroundColor Gray
    if (Wait-ForPort -Port 50051 -TimeoutSeconds 30) {
        Write-Host ""
        $process = Get-Process -Name "GeViScopeBridge" -ErrorAction SilentlyContinue
        Write-Host "      [OK] SDK Bridge started (PID: $($process.Id))" -ForegroundColor Green
    } else {
        Write-Host ""
        Write-Host "      [ERROR] SDK Bridge failed to start listening on port 50051" -ForegroundColor Red
        exit 1
    }
}

# Start Python API
if ($uvicornRunning) {
    Write-Host "[SKIP] Python API is already running (PID: $($uvicornRunning.Id))" -ForegroundColor Yellow
} else {
    Write-Host "[3/3] Starting Python API..." -ForegroundColor Green
    Start-Process -FilePath $uvicorn `
                  -ArgumentList "main:app", "--host", "0.0.0.0", "--port", "8000", "--reload" `
                  -WorkingDirectory $apiPath `
                  -WindowStyle Hidden

    # Wait for API to start listening on port 8000
    Write-Host "      Waiting for API to initialize" -NoNewline -ForegroundColor Gray
    if (Wait-ForPort -Port 8000 -TimeoutSeconds 20) {
        Write-Host ""
        $process = Get-Process -Name "uvicorn" -ErrorAction SilentlyContinue
        Write-Host "      [OK] Python API started (PID: $($process.Id))" -ForegroundColor Green
    } else {
        Write-Host ""
        Write-Host "      [ERROR] Python API failed to start listening on port 8000" -ForegroundColor Red
        exit 1
    }
}

Write-Host ""
Write-Host "========================================" -ForegroundColor Green
Write-Host "Services Started Successfully!" -ForegroundColor Green
Write-Host "========================================" -ForegroundColor Green
Write-Host ""
Write-Host "GeViServer:  Running on ports 7700-7703" -ForegroundColor Cyan
Write-Host "SDK Bridge:  Running on port 50051 (gRPC)" -ForegroundColor Cyan
Write-Host "Python API:  http://localhost:8000" -ForegroundColor Cyan
Write-Host "Swagger UI:  http://localhost:8000/docs" -ForegroundColor Cyan
Write-Host ""
Write-Host "To check status, run: .\status-services.ps1" -ForegroundColor Yellow
Write-Host "To stop services, run: .\stop-services.ps1" -ForegroundColor Yellow