#!/bin/bash

# Development startup script

echo "Starting Veo Video Generator in Development Mode"
echo "================================================"

# Check if node_modules exists in frontend
if [ ! -d "frontend/node_modules" ]; then
    echo "Frontend dependencies not found. Installing..."
    cd frontend
    npm install
    if [ $? -ne 0 ]; then
        echo "Failed to install frontend dependencies"
        exit 1
    fi
    cd ..
fi

# Check if backend virtual environment exists
if [ ! -d "backend/venv" ] && [ ! -d "venv" ]; then
    echo "Virtual environment not found. Please create one first:"
    echo "  python -m venv venv"
    echo "  source venv/bin/activate"
    echo "  pip install -r backend/requirements.txt"
    exit 1
fi

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

# Set trap to cleanup on script exit
trap cleanup EXIT INT TERM

# Always use development environment files
echo "Setting up development environment files..."

# Copy development environment file for backend (overwrite if exists)
if [ -f "backend/.env.development" ]; then
    echo "Using backend development environment file..."
    cp backend/.env.development backend/.env
else
    echo "Warning: backend/.env.development not found"
fi

# Copy development environment file for frontend (if it exists)
if [ -f "frontend/.env.development" ]; then
    echo "Using frontend development environment file..."
    cp frontend/.env.development frontend/.env
fi

# Start backend
echo "Starting backend server..."
cd backend
python app.py &
BACKEND_PID=$!
echo "Backend started with PID: $BACKEND_PID"

# Wait a moment for backend to start
sleep 3

# Start frontend
echo "Starting frontend development server..."
cd ../frontend
npm run dev &
FRONTEND_PID=$!
echo "Frontend started with PID: $FRONTEND_PID"

echo ""
echo "Development servers are running:"
echo "- Backend API: http://localhost:7394"
echo "- Frontend: http://localhost:3000"
echo ""
echo "Press Ctrl+C to stop both servers"

# Wait for either process to exit
wait