🚗 Rental App - Full Stack Application

A comprehensive car rental application built with React frontend and Express backend, featuring user authentication, fleet management, booking system, and AI-powered chat support.

🏗️ Architecture

• Frontend: React + TypeScript + Vite + Tailwind CSS
• Backend: Express + TypeScript + Prisma + PostgreSQL
• Authentication: JWT with HTTP-only cookies
• Database: PostgreSQL with Prisma ORM
• AI Integration: LangChain for chat functionality

✨ Features

• 🔐 User Authentication: Login, Register, Profile Management
• 🚗 Fleet Management: Browse and manage car inventory
• 📅 Booking System: Create and manage car bookings
• 💬 AI Chat Support: Intelligent customer support
• 📱 Responsive Design: Mobile-first UI/UX
• 🔒 Security: CORS, Helmet, Input validation
• 🎨 Modern UI: Beautiful, accessible interface

🚀 Quick Start

Prerequisites

• Node.js (v18 or higher)
• PostgreSQL database
• npm or yarn

Installation

Option 1: Automated Setup (Recommended)

# Linux/Mac
./setup.sh

# Windows
setup.bat

Option 2: Manual Setup

# Install all dependencies
npm run install:all

# Set up environment variables
cp .env.example .env
# Edit .env with your database credentials

# Set up database
npx prisma generate
npx prisma db push

Development

# Start both frontend and backend
npm run dev:full

# Or start individually
npm run server:dev    # Backend only
npm run frontend:dev  # Frontend only

Production

npm run build:full

📁 Project Structure

rental-app/
├── frontend/           # React frontend
│   ├── src/
│   │   ├── components/ # UI components
│   │   ├── pages/      # Page components
│   │   ├── context/    # React contexts
│   │   ├── services/   # API services
│   │   └── types/      # TypeScript types
├── src/                # Backend source
│   ├── routes/         # API routes
│   ├── middleware/     # Express middleware
│   └── langchain/      # AI integration
├── prisma/             # Database schema
└── server.ts          # Main server file

🔌 API Endpoints

Authentication

• POST /api/auth/login - User login
• POST /api/auth/register - User registration
• GET /api/auth/logout - User logout

Fleet Management

• GET /api/fleet/fleet - Get all cars
• POST /api/fleet/fleet - Add new car (Admin)

Booking Management

• GET /api/bookings/bookings - Get user bookings
• POST /api/bookings/book - Create booking
• POST /api/bookings/cancel - Cancel booking

Chat System

• POST /api/chat/session - Create chat session
• GET /api/chat/session/:id/messages - Get messages
• POST /api/chat/session/:id/message - Send message

🔧 Available Scripts

• npm run dev:full - Start both frontend and backend
• npm run server:dev - Start backend only
• npm run frontend:dev - Start frontend only
• npm run build:full - Build for production
• npm run install:all - Install all dependencies

🌐 URLs

• Frontend: http://localhost:5173
• Backend API: http://localhost:3001
• Health Check: http://localhost:3001/health

📚 Documentation

• Integration Guide - Detailed integration documentation
• Authorization Guide - Authentication and authorization details

🤝 Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Test the integration
5. Submit a pull request

📄 License

This project is licensed under the MIT License.