# ========================================
# Trading Bot Deployment Script
# Windows VPS Deployment Automation
# ========================================

Write-Host "========================================" -ForegroundColor Cyan
Write-Host "  Trading Bot Deployment Script v1.0" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan
Write-Host ""

# Deployment-Verzeichnis
$deployPath = "C:\TradingBot\placeorder"
$timestamp = Get-Date -Format "yyyyMMdd_HHmmss"
$backupPath = "C:\TradingBot\backups\backup_$timestamp"

# ========================================
# SCHRITT 1: Backup erstellen
# ========================================
Write-Host "[1/5] Creating backup..." -ForegroundColor Yellow

# Erstelle Backup-Verzeichnis falls nicht vorhanden
if (!(Test-Path "C:\TradingBot\backups")) {
    New-Item -ItemType Directory -Path "C:\TradingBot\backups" -Force | Out-Null
}

# Backup kritischer Dateien
$filesToBackup = @(
    "trading_bot.db",
    "telegram_config.json"
)

New-Item -ItemType Directory -Path $backupPath -Force | Out-Null

foreach ($file in $filesToBackup) {
    if (Test-Path $file) {
        Copy-Item $file -Destination "$backupPath\$file" -Force
        Write-Host "  ✓ Backed up: $file" -ForegroundColor Green
    }
}

Write-Host "  ✓ Backup created at: $backupPath" -ForegroundColor Green
Write-Host ""

# ========================================
# SCHRITT 2: Git Pull (bereits von Workflow erledigt)
# ========================================
Write-Host "[2/5] Verifying Git repository..." -ForegroundColor Yellow

if (Test-Path ".git") {
    $branch = git rev-parse --abbrev-ref HEAD
    $commit = git rev-parse --short HEAD
    Write-Host "  ✓ Branch: $branch" -ForegroundColor Green
    Write-Host "  ✓ Commit: $commit" -ForegroundColor Green
} else {
    Write-Host "  ✗ No Git repository found!" -ForegroundColor Red
    exit 1
}

Write-Host ""

# ========================================
# SCHRITT 3: Python Dependencies prüfen/aktualisieren
# ========================================
Write-Host "[3/5] Checking Python dependencies..." -ForegroundColor Yellow

# Prüfe ob requirements.txt existiert
if (Test-Path "requirements.txt") {
    Write-Host "  Installing/Updating dependencies from requirements.txt..." -ForegroundColor Cyan
    pip install --upgrade -r requirements.txt --quiet
    if ($LASTEXITCODE -eq 0) {
        Write-Host "  ✓ Dependencies installed successfully" -ForegroundColor Green
    } else {
        Write-Host "  ⚠ Some dependencies might have failed" -ForegroundColor Yellow
    }
} else {
    Write-Host "  ℹ No requirements.txt found, installing common packages..." -ForegroundColor Cyan
    pip install --upgrade streamlit plotly pandas MetaTrader5 --quiet
    Write-Host "  ✓ Common packages installed" -ForegroundColor Green
}

Write-Host ""

# ========================================
# SCHRITT 4: Services neu starten
# ========================================
Write-Host "[4/5] Restarting services..." -ForegroundColor Yellow

# Trading Dashboard Service
$dashboardService = Get-Service -Name "TradingDashboard" -ErrorAction SilentlyContinue
if ($dashboardService) {
    Write-Host "  Restarting TradingDashboard service..." -ForegroundColor Cyan
    Restart-Service -Name "TradingDashboard" -Force
    Start-Sleep -Seconds 3

    $status = (Get-Service -Name "TradingDashboard").Status
    if ($status -eq "Running") {
        Write-Host "  ✓ TradingDashboard is running" -ForegroundColor Green
    } else {
        Write-Host "  ✗ TradingDashboard failed to start!" -ForegroundColor Red
    }
} else {
    Write-Host "  ℹ TradingDashboard service not installed (manual start required)" -ForegroundColor Yellow
}

# Optional: Prozesse neustarten falls kein Service installiert
$streamlitProcesses = Get-Process | Where-Object {$_.ProcessName -like "*streamlit*"}
if ($streamlitProcesses) {
    Write-Host "  Found running Streamlit processes, restarting..." -ForegroundColor Cyan
    $streamlitProcesses | Stop-Process -Force
    Start-Sleep -Seconds 2

    # Starte Streamlit neu (im Hintergrund)
    Start-Process powershell -ArgumentList "-NoExit", "-Command", "cd '$deployPath'; streamlit run trading_dashboard.py --server.port 8501 --server.address 0.0.0.0" -WindowStyle Minimized
    Write-Host "  ✓ Streamlit restarted" -ForegroundColor Green
}

Write-Host ""

# ========================================
# SCHRITT 5: Deployment-Verifikation
# ========================================
Write-Host "[5/5] Verifying deployment..." -ForegroundColor Yellow

$criticalFiles = @(
    "TradingBot_V1.6_Adaptive_Complete_CORRECTED.ipynb",
    "trading_dashboard.py",
    "trading_database.py"
)

$allFilesExist = $true
foreach ($file in $criticalFiles) {
    if (Test-Path $file) {
        Write-Host "  ✓ $file" -ForegroundColor Green
    } else {
        Write-Host "  ✗ $file missing!" -ForegroundColor Red
        $allFilesExist = $false
    }
}

Write-Host ""

# ========================================
# DEPLOYMENT SUMMARY
# ========================================
Write-Host "========================================" -ForegroundColor Cyan
Write-Host "  DEPLOYMENT SUMMARY" -ForegroundColor Cyan
Write-Host "========================================" -ForegroundColor Cyan

if ($allFilesExist) {
    Write-Host "Status: SUCCESS" -ForegroundColor Green
    Write-Host "Timestamp: $(Get-Date -Format 'yyyy-MM-dd HH:mm:ss')" -ForegroundColor White
    Write-Host "Backup Location: $backupPath" -ForegroundColor White
    Write-Host "Dashboard URL: http://localhost:8501" -ForegroundColor Cyan
    Write-Host ""
    Write-Host "✓ Deployment completed successfully!" -ForegroundColor Green
    exit 0
} else {
    Write-Host "Status: FAILED" -ForegroundColor Red
    Write-Host "Some critical files are missing!" -ForegroundColor Red
    Write-Host "Check the logs above for details." -ForegroundColor Yellow
    exit 1
}