# Start Geutebruck API Services
# This script starts GeViServer, C# Bridge, GeViScope Bridge, SDK Bridge, Python API, and Flutter Web App

$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"
$geviServerBridgePath = "C:\DEV\COPILOT\geviserver-bridge\GeViServerBridge\bin\Debug\net8.0"
$geviServerBridgeExe = "$geviServerBridgePath\GeViServerBridge.exe"
$geviScopeBridgePath = "C:\DEV\COPILOT\geviscope-bridge\GeViScopeBridge\bin\Debug\net8.0\win-x86"
$geviScopeBridgeExe = "$geviScopeBridgePath\GeViScopeBridge.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"
$flutterWebPath = "C:\DEV\COPILOT\geutebruck_app\build\web"

# 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
$geviServerBridgeRunning = Get-Process -Name "GeViServerBridge" -ErrorAction SilentlyContinue
$geviScopeBridgeRunning = Get-NetTCPConnection -LocalPort 7720 -State Listen -ErrorAction SilentlyContinue
$sdkBridgeRunning = Get-Process -Name "GeViScopeBridge" -ErrorAction SilentlyContinue
$uvicornRunning = Get-Process -Name "uvicorn" -ErrorAction SilentlyContinue
$flutterRunning = Get-NetTCPConnection -LocalPort 8081 -State Listen -ErrorAction SilentlyContinue

# Start GeViServer
if ($geviServerRunning) {
    Write-Host "[SKIP] GeViServer is already running (PID: $($geviServerRunning.Id))" -ForegroundColor Yellow
} else {
    Write-Host "[1/6] 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 C# GeViServer Bridge (handles 32-bit DLL communication)
if ($geviServerBridgeRunning) {
    Write-Host "[SKIP] C# GeViServer Bridge is already running (PID: $($geviServerBridgeRunning.Id))" -ForegroundColor Yellow
} else {
    Write-Host "[2/6] Starting C# GeViServer Bridge..." -ForegroundColor Green
    Start-Process -FilePath $geviServerBridgeExe `
                  -ArgumentList "--urls", "http://localhost:7710" `
                  -WorkingDirectory $geviServerBridgePath `
                  -WindowStyle Hidden

    # Wait for C# Bridge to start listening on port 7710
    Write-Host "      Waiting for C# Bridge to initialize" -NoNewline -ForegroundColor Gray
    if (Wait-ForPort -Port 7710 -TimeoutSeconds 20) {
        Write-Host ""
        $process = Get-Process -Name "GeViServerBridge" -ErrorAction SilentlyContinue
        Write-Host "      [OK] C# Bridge started (PID: $($process.Id))" -ForegroundColor Green
    } else {
        Write-Host ""
        Write-Host "      [ERROR] C# Bridge failed to start listening on port 7710" -ForegroundColor Red
        exit 1
    }
}

# Start GeViScope Bridge (camera server SDK)
if ($geviScopeBridgeRunning) {
    $geviScopeProcess = Get-NetTCPConnection -LocalPort 7720 -State Listen -ErrorAction SilentlyContinue |
                        Select-Object -First 1 -ExpandProperty OwningProcess
    Write-Host "[SKIP] GeViScope Bridge is already running (PID: $geviScopeProcess)" -ForegroundColor Yellow
} else {
    Write-Host "[3/6] Starting GeViScope Bridge..." -ForegroundColor Green
    Start-Process -FilePath $geviScopeBridgeExe -WorkingDirectory $geviScopeBridgePath -WindowStyle Hidden

    # Wait for GeViScope Bridge to start listening on port 7720
    Write-Host "      Waiting for GeViScope Bridge to initialize" -NoNewline -ForegroundColor Gray
    if (Wait-ForPort -Port 7720 -TimeoutSeconds 20) {
        Write-Host ""
        $geviScopeProcess = Get-NetTCPConnection -LocalPort 7720 -State Listen -ErrorAction SilentlyContinue |
                            Select-Object -First 1 -ExpandProperty OwningProcess
        Write-Host "      [OK] GeViScope Bridge started (PID: $geviScopeProcess)" -ForegroundColor Green
    } else {
        Write-Host ""
        Write-Host "      [WARN] GeViScope Bridge failed to start on port 7720 (optional)" -ForegroundColor Yellow
    }
}

# Start SDK Bridge (gRPC)
if ($sdkBridgeRunning) {
    Write-Host "[SKIP] SDK Bridge is already running (PID: $($sdkBridgeRunning.Id))" -ForegroundColor Yellow
} else {
    Write-Host "[4/6] Starting SDK Bridge..." -ForegroundColor Green
    if (Test-Path $sdkBridgeExe) {
        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 "      [WARN] SDK Bridge failed to start on port 50051 (optional)" -ForegroundColor Yellow
        }
    } else {
        Write-Host "      [SKIP] SDK Bridge executable not found (optional)" -ForegroundColor Yellow
    }
}

# Start Python API
if ($uvicornRunning) {
    Write-Host "[SKIP] Python API is already running (PID: $($uvicornRunning.Id))" -ForegroundColor Yellow
} else {
    Write-Host "[5/6] Starting Python API..." -ForegroundColor Green
    # Clean Python cache to ensure fresh code load
    Get-ChildItem -Path $apiPath -Recurse -Directory -Filter __pycache__ -ErrorAction SilentlyContinue | Remove-Item -Recurse -Force -ErrorAction SilentlyContinue
    Start-Process -FilePath $uvicorn `
                  -ArgumentList "main:app", "--host", "0.0.0.0", "--port", "8000" `
                  -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
    }
}

# Start Flutter Web Server
if ($flutterRunning) {
    $flutterProcess = Get-NetTCPConnection -LocalPort 8081 -State Listen -ErrorAction SilentlyContinue |
                      Select-Object -First 1 -ExpandProperty OwningProcess
    Write-Host "[SKIP] Flutter Web is already running (PID: $flutterProcess)" -ForegroundColor Yellow
} else {
    Write-Host "[6/6] Starting Flutter Web Server..." -ForegroundColor Green
    Start-Process -FilePath "python" `
                  -ArgumentList "-m", "http.server", "8081", "--bind", "0.0.0.0" `
                  -WorkingDirectory $flutterWebPath `
                  -WindowStyle Hidden

    # Wait for Flutter Web to start listening on port 8081
    Write-Host "      Waiting for Flutter Web to initialize" -NoNewline -ForegroundColor Gray
    if (Wait-ForPort -Port 8081 -TimeoutSeconds 10) {
        Write-Host ""
        $flutterProcess = Get-NetTCPConnection -LocalPort 8081 -State Listen -ErrorAction SilentlyContinue |
                          Select-Object -First 1 -ExpandProperty OwningProcess
        Write-Host "      [OK] Flutter Web started (PID: $flutterProcess)" -ForegroundColor Green
    } else {
        Write-Host ""
        Write-Host "      [ERROR] Flutter Web failed to start listening on port 8081" -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 "C# Bridge:        http://localhost:7710 (GeViServer 32-bit adapter)" -ForegroundColor Cyan
Write-Host "GeViScope Bridge: http://localhost:7720 (Camera Server SDK)" -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 "GeViServer API:   http://localhost:8000/docs#/GeViServer" -ForegroundColor Green
Write-Host "GeViScope API:    http://localhost:7720 (Direct access)" -ForegroundColor Green
Write-Host "Flutter Web:      http://localhost:8081" -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