#!/bin/bash

# Storyteller RPG Startup Script
# This script starts both the backend and frontend servers

echo "🎭 Starting Storyteller RPG..."
echo ""

# Colors for output
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[0;33m'
NC='\033[0m' # No Color

# Kill any existing instances
echo -e "${YELLOW}Checking for existing instances...${NC}"

# Kill any process using port 8000 (backend)
BACKEND_PORT_PID=$(lsof -ti:8000)
if [ ! -z "$BACKEND_PORT_PID" ]; then
    echo "  Killing existing backend on port 8000 (PID: $BACKEND_PORT_PID)"
    kill -9 $BACKEND_PORT_PID 2>/dev/null
fi

# Kill any process using port 3000 (frontend)
FRONTEND_PORT_PID=$(lsof -ti:3000)
if [ ! -z "$FRONTEND_PORT_PID" ]; then
    echo "  Killing existing frontend on port 3000 (PID: $FRONTEND_PORT_PID)"
    kill -9 $FRONTEND_PORT_PID 2>/dev/null
fi

# Kill any existing node/python processes from this project
pkill -f "main.py" 2>/dev/null
pkill -f "react-scripts start" 2>/dev/null

# Wait a moment for ports to be released
sleep 1

echo -e "${GREEN}✓ Ready to start fresh instances${NC}"
echo ""

# Check if virtual environment exists
if [ ! -d ".venv" ]; then
    echo "Creating virtual environment..."
    python3 -m venv .venv
fi

# Activate virtual environment
echo -e "${BLUE}Activating virtual environment...${NC}"
source .venv/bin/activate

# Install backend dependencies if needed
if ! .venv/bin/python -c "import fastapi" 2>/dev/null; then
    echo -e "${BLUE}Installing backend dependencies...${NC}"
    .venv/bin/pip install -r requirements.txt
fi

# Check if frontend dependencies are installed
if [ ! -d "frontend/node_modules" ]; then
    echo -e "${BLUE}Installing frontend dependencies...${NC}"
    cd frontend
    npm install
    cd ..
fi

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

trap cleanup SIGINT SIGTERM

# Start backend
echo -e "${GREEN}Starting Backend (http://localhost:8000)...${NC}"
.venv/bin/python main.py &
BACKEND_PID=$!

# Wait a moment for backend to start
sleep 2

# Start frontend
echo -e "${GREEN}Starting Frontend (http://localhost:3000)...${NC}"
cd frontend
npm start &
FRONTEND_PID=$!
cd ..

echo ""
echo "✅ Servers are starting!"
echo "   Backend:  http://localhost:8000"
echo "   Frontend: http://localhost:3000"
echo ""
echo "Press Ctrl+C to stop both servers"
echo ""

# Wait for frontend to be ready, then open browser
echo "Waiting for frontend to start..."
for i in {1..30}; do
    if curl -s http://localhost:3000 > /dev/null 2>&1; then
        echo -e "${GREEN}✓ Frontend ready!${NC}"
        sleep 1
        
        # Open browser based on OS
        if command -v xdg-open > /dev/null; then
            echo "Opening browser..."
            xdg-open http://localhost:3000 > /dev/null 2>&1 &
        elif command -v open > /dev/null; then
            echo "Opening browser..."
            open http://localhost:3000 > /dev/null 2>&1 &
        elif command -v firefox > /dev/null; then
            echo "Opening browser..."
            firefox http://localhost:3000 > /dev/null 2>&1 &
        elif command -v google-chrome > /dev/null; then
            echo "Opening browser..."
            google-chrome http://localhost:3000 > /dev/null 2>&1 &
        else
            echo "Please open your browser to: http://localhost:3000"
        fi
        break
    fi
    sleep 1
done

echo ""

# Wait for both processes
wait $BACKEND_PID $FRONTEND_PID