start.sh

#!/bin/bash

# PostgreSQL Data Migration Tool Startup Script

echo "🚀 Starting PostgreSQL Data Migration Tool..."

# Check if Python is installed
if ! command -v python3 &> /dev/null; then
    echo "❌ Python 3 is required but not installed."
    exit 1
fi

# Check if Node.js is installed
if ! command -v node &> /dev/null; then
    echo "❌ Node.js is required but not installed."
    exit 1
fi

# Check if npm is installed
if ! command -v npm &> /dev/null; then
    echo "❌ npm is required but not installed."
    exit 1
fi

echo "✅ Prerequisites check passed"

# Install Python dependencies if needed
if [ ! -d "venv" ]; then
    echo "📦 Creating Python virtual environment..."
    python3 -m venv venv
fi

echo "📦 Installing Python dependencies..."
source venv/bin/activate
pip install -r requirements.txt

# Install Node.js dependencies if needed
if [ ! -d "node_modules" ]; then
    echo "📦 Installing Node.js dependencies..."
    npm install
fi

echo "🔧 Starting backend server..."
# Start backend in background
source venv/bin/activate && python main.py &
BACKEND_PID=$!

# Wait a moment for backend to start
sleep 3

echo "🎨 Starting frontend server..."
# Start frontend
npm start &
FRONTEND_PID=$!

echo ""
echo "🎉 Application is starting up!"
echo ""
echo "📍 Backend API: http://localhost:8000"
echo "🌐 Frontend UI: http://localhost:3000"
echo ""
echo "Press Ctrl+C to stop both servers"

# Function to cleanup background processes
cleanup() {
    echo ""
    echo "🛑 Shutting down servers..."
    kill $BACKEND_PID 2>/dev/null
    kill $FRONTEND_PID 2>/dev/null
    exit 0
}

# Set trap to cleanup on script exit
trap cleanup SIGINT SIGTERM

# Wait for either process to exit
wait