[CmdletBinding()]
param(
    [switch]$Help
)

$ErrorActionPreference = "Stop"

if ($Help) {
    Write-Host "=========================================" -ForegroundColor Cyan
    Write-Host "Test Artifact Data Lake - Development Setup" -ForegroundColor Cyan
    Write-Host "=========================================" -ForegroundColor Cyan
    Write-Host ""
    Write-Host "Usage: .\dev-start.ps1 [OPTIONS]" -ForegroundColor White
    Write-Host ""
    Write-Host "Options:" -ForegroundColor Yellow
    Write-Host "  -Help         Show this help message" -ForegroundColor White
    Write-Host ""
    Write-Host "This script starts backend services and frontend development server." -ForegroundColor Green
    Write-Host ""
    exit 0
}

Write-Host "=========================================" -ForegroundColor Cyan
Write-Host "Test Artifact Data Lake - Development Setup" -ForegroundColor Cyan
Write-Host "=========================================" -ForegroundColor Cyan
Write-Host ""

# Check if Node.js is installed
if (-not (Get-Command "node" -ErrorAction SilentlyContinue)) {
    Write-Host "Error: Node.js is not installed. Please install Node.js 18+ first." -ForegroundColor Red
    Write-Host "Visit: https://nodejs.org/" -ForegroundColor Yellow
    Read-Host "Press Enter to exit"
    exit 1
}

# Check Node.js version
try {
    $nodeVersion = & node --version
    $majorVersion = [int]($nodeVersion -replace 'v(\d+)\..*', '$1')
    if ($majorVersion -lt 18) {
        Write-Host "Error: Node.js version 18 or higher is required. Current version: $nodeVersion" -ForegroundColor Red
        Read-Host "Press Enter to exit"
        exit 1
    }
    Write-Host "[OK] Node.js version: $nodeVersion" -ForegroundColor Green
}
catch {
    Write-Host "Error: Failed to check Node.js version" -ForegroundColor Red
    Read-Host "Press Enter to exit"
    exit 1
}

# Check if npm is installed
if (-not (Get-Command "npm" -ErrorAction SilentlyContinue)) {
    Write-Host "Error: npm is not installed. Please install npm first." -ForegroundColor Red
    Read-Host "Press Enter to exit"
    exit 1
}

$npmVersion = & npm --version
Write-Host "[OK] npm version: $npmVersion" -ForegroundColor Green

# Check if Docker is installed
if (-not (Get-Command "docker" -ErrorAction SilentlyContinue)) {
    Write-Host "Error: Docker is not installed. Please install Docker Desktop first." -ForegroundColor Red
    Write-Host "Visit: https://www.docker.com/products/docker-desktop" -ForegroundColor Yellow
    Read-Host "Press Enter to exit"
    exit 1
}

# Check if Docker Compose is available
$ComposeCmd = $null
if (Get-Command "docker-compose" -ErrorAction SilentlyContinue) {
    $ComposeCmd = "docker-compose"
} else {
    try {
        & docker compose version | Out-Null
        $ComposeCmd = "docker compose"
    }
    catch {
        Write-Host "Error: Docker Compose is not available." -ForegroundColor Red
        Write-Host "Please ensure Docker Desktop is running." -ForegroundColor Yellow
        Read-Host "Press Enter to exit"
        exit 1
    }
}

Write-Host "[OK] Docker Compose command: $ComposeCmd" -ForegroundColor Green
Write-Host ""

# Create .env file if it doesn't exist
if (-not (Test-Path ".env")) {
    Write-Host "Creating .env file from .env.example..." -ForegroundColor Yellow
    Copy-Item ".env.example" ".env"
    Write-Host "[OK] .env file created" -ForegroundColor Green
} else {
    Write-Host "[OK] .env file already exists" -ForegroundColor Green
}

Write-Host ""
Write-Host "Starting backend services (PostgreSQL, MinIO, API)..." -ForegroundColor Yellow

# Start backend services
try {
    if ($ComposeCmd -eq "docker compose") {
        & docker compose up -d postgres minio api
    } else {
        & docker-compose up -d postgres minio api
    }
}
catch {
    Write-Host "Error: Failed to start backend services." -ForegroundColor Red
    Write-Host "Make sure Docker Desktop is running." -ForegroundColor Yellow
    Read-Host "Press Enter to exit"
    exit 1
}

Write-Host ""
Write-Host "Waiting for backend services to be ready..." -ForegroundColor Yellow
Start-Sleep -Seconds 10

Write-Host ""
Write-Host "Installing frontend dependencies..." -ForegroundColor Yellow
Set-Location "frontend"

try {
    & npm install
    Write-Host "[OK] Frontend dependencies installed" -ForegroundColor Green
}
catch {
    Write-Host "Error: Failed to install frontend dependencies" -ForegroundColor Red
    Set-Location ".."
    Read-Host "Press Enter to exit"
    exit 1
}

Write-Host ""
Write-Host "=========================================" -ForegroundColor Cyan
Write-Host "Development Environment Ready!" -ForegroundColor Green
Write-Host "=========================================" -ForegroundColor Cyan
Write-Host ""
Write-Host "Backend API:      http://localhost:8000" -ForegroundColor White
Write-Host "API Docs:         http://localhost:8000/docs" -ForegroundColor White
Write-Host "MinIO Console:    http://localhost:9001" -ForegroundColor White
Write-Host "  Username: minioadmin" -ForegroundColor Gray
Write-Host "  Password: minioadmin" -ForegroundColor Gray
Write-Host ""
Write-Host "Frontend will be available at: http://localhost:4200" -ForegroundColor White
Write-Host ""
Write-Host "To view backend logs: $ComposeCmd logs -f api" -ForegroundColor Yellow
Write-Host "To stop backend:      $ComposeCmd down" -ForegroundColor Yellow
Write-Host ""
Write-Host "Starting frontend development server..." -ForegroundColor Green

# Start the frontend development server
& npm run start