# PowerShell script per build e test locale dei container Docker
# Utilizzo: .\build-docker.ps1 [-Target <linux|windows|all>] [-Test] [-Clean]

param(
    [Parameter(Position=0)]
    [ValidateSet("linux", "windows", "all", "clean")]
    [string]$Target = "all",
    
    [switch]$Test,
    [switch]$Clean
)

$ErrorActionPreference = "Stop"

Write-Host "╔═══════════════════════════════════════════╗" -ForegroundColor Green
Write-Host "║   Data-Coupler Docker Build Script       ║" -ForegroundColor Green
Write-Host "╚═══════════════════════════════════════════╝" -ForegroundColor Green
Write-Host ""

# Funzione per build Linux
function Build-Linux {
    Write-Host "📦 Building Linux container..." -ForegroundColor Yellow
    docker build -t data-coupler:local -f Dockerfile .
    if ($LASTEXITCODE -eq 0) {
        Write-Host "✅ Linux container built successfully!" -ForegroundColor Green
    } else {
        Write-Host "❌ Linux container build failed!" -ForegroundColor Red
        exit 1
    }
    Write-Host ""
}

# Funzione per build Windows
function Build-Windows {
    Write-Host "📦 Building Windows container..." -ForegroundColor Yellow
    docker build -t data-coupler:local-windows -f Dockerfile.windows .
    if ($LASTEXITCODE -eq 0) {
        Write-Host "✅ Windows container built successfully!" -ForegroundColor Green
    } else {
        Write-Host "❌ Windows container build failed!" -ForegroundColor Red
        exit 1
    }
    Write-Host ""
}

# Funzione per test container
function Test-Container {
    param(
        [string]$Image,
        [string]$ContainerName
    )
    
    Write-Host "🧪 Testing container: $Image" -ForegroundColor Yellow
    
    # Stop e rimuovi container esistente
    docker stop $ContainerName 2>$null | Out-Null
    docker rm $ContainerName 2>$null | Out-Null
    
    # Avvia container
    Write-Host "Starting container..."
    docker run -d --name $ContainerName -p 7550:7550 $Image | Out-Null
    
    # Attendi avvio (max 60 secondi)
    Write-Host "Waiting for container to be ready..."
    $ready = $false
    for ($i = 1; $i -le 60; $i++) {
        $logs = docker logs $ContainerName 2>&1
        if ($logs -match "Now listening on") {
            Write-Host "✅ Container started successfully!" -ForegroundColor Green
            $ready = $true
            break
        }
        if ($i -eq 60) {
            Write-Host "❌ Container failed to start within 60 seconds" -ForegroundColor Red
            docker logs $ContainerName
            return $false
        }
        Start-Sleep -Seconds 1
    }
    
    if (-not $ready) {
        return $false
    }
    
    # Test health endpoint
    Write-Host "Testing health endpoint..."
    Start-Sleep -Seconds 5
    try {
        $response = Invoke-WebRequest -Uri "http://localhost:7550/health" -UseBasicParsing -TimeoutSec 10
        if ($response.StatusCode -eq 200) {
            Write-Host "✅ Health check passed!" -ForegroundColor Green
        } else {
            Write-Host "❌ Health check failed with status: $($response.StatusCode)" -ForegroundColor Red
            return $false
        }
    } catch {
        Write-Host "❌ Health check failed: $_" -ForegroundColor Red
        docker logs $ContainerName
        return $false
    }
    
    # Mostra log
    Write-Host ""
    Write-Host "📋 Container logs:" -ForegroundColor Yellow
    docker logs --tail 20 $ContainerName
    
    Write-Host ""
    Write-Host "✅ Container test completed successfully!" -ForegroundColor Green
    Write-Host "💡 Container is running at: http://localhost:7550" -ForegroundColor Yellow
    Write-Host "💡 Stop with: docker stop $ContainerName" -ForegroundColor Yellow
    Write-Host ""
    
    return $true
}

# Funzione per cleanup
function Clean-Containers {
    Write-Host "🧹 Cleaning up test containers..." -ForegroundColor Yellow
    docker stop data-coupler-test 2>$null | Out-Null
    docker rm data-coupler-test 2>$null | Out-Null
    docker stop data-coupler-test-windows 2>$null | Out-Null
    docker rm data-coupler-test-windows 2>$null | Out-Null
    Write-Host "✅ Cleanup completed" -ForegroundColor Green
}

# Menu principale
if ($Clean) {
    Clean-Containers
    exit 0
}

switch ($Target) {
    "linux" {
        Build-Linux
        if ($Test) {
            Test-Container -Image "data-coupler:local" -ContainerName "data-coupler-test"
        }
    }
    "windows" {
        Build-Windows
        if ($Test) {
            Test-Container -Image "data-coupler:local-windows" -ContainerName "data-coupler-test-windows"
        }
    }
    "all" {
        Build-Linux
        Build-Windows
        if ($Test) {
            Write-Host "Testing Linux container..." -ForegroundColor Cyan
            Test-Container -Image "data-coupler:local" -ContainerName "data-coupler-test"
            Write-Host ""
            Write-Host "Testing Windows container..." -ForegroundColor Cyan
            Test-Container -Image "data-coupler:local-windows" -ContainerName "data-coupler-test-windows"
        }
    }
    "clean" {
        Clean-Containers
    }
}

Write-Host ""
Write-Host "🎉 All done!" -ForegroundColor Green
Write-Host ""
Write-Host "Usage examples:" -ForegroundColor Cyan
Write-Host "  .\build-docker.ps1 linux -Test       # Build and test Linux container" -ForegroundColor Gray
Write-Host "  .\build-docker.ps1 windows -Test     # Build and test Windows container" -ForegroundColor Gray
Write-Host "  .\build-docker.ps1 all               # Build all containers" -ForegroundColor Gray
Write-Host "  .\build-docker.ps1 -Clean            # Clean up test containers" -ForegroundColor Gray