#!/bin/bash

# VR180 Converter Startup Script
echo "🚀 Starting VR180 Converter..."

# Check if Python is installed
if ! command -v python3 &> /dev/null; then
    echo "❌ Python 3 is not installed. Please install Python 3.9+ and try again."
    exit 1
fi

# Check if Node.js is installed
if ! command -v node &> /dev/null; then
    echo "❌ Node.js is not installed. Please install Node.js 16+ and try again."
    exit 1
fi

# Check if FFmpeg is installed
if ! command -v ffmpeg &> /dev/null; then
    echo "⚠️  FFmpeg is not installed. Video processing may not work properly."
    echo "   Please install FFmpeg: https://ffmpeg.org/download.html"
fi

# Create necessary directories
echo "📁 Creating directories..."
mkdir -p backend/uploads backend/outputs

# Install Python dependencies
echo "🐍 Installing Python dependencies..."
cd backend
pip install -r requirements.txt
if [ $? -ne 0 ]; then
    echo "❌ Failed to install Python dependencies"
    exit 1
fi
cd ..

# Install Node.js dependencies
echo "📦 Installing Node.js dependencies..."
cd frontend
npm install
if [ $? -ne 0 ]; then
    echo "❌ Failed to install Node.js dependencies"
    exit 1
fi
cd ..

# Build React app
echo "🔨 Building React app..."
cd frontend
npm run build
if [ $? -ne 0 ]; then
    echo "❌ Failed to build React app"
    exit 1
fi
cd ..

echo "✅ Setup complete!"
echo ""
echo "🎯 To start the application:"
echo "   Backend:  cd backend && python app.py"
echo "   Frontend: cd frontend && npm start"
echo ""
echo "🌐 Access the application at:"
echo "   Frontend: http://localhost:3000"
echo "   Backend:  http://localhost:5000"
echo ""
echo "📖 For more information, see docs/README.md"