Welcome to the AI Chatbot project! This repository contains a full-stack application built with the MERN stack (MongoDB, Express, React, Node.js) designed to provide a sophisticated chat experience similar to ChatGPT.

1. Complete MERN Stack Integration: A comprehensive guide to setting up and using MongoDB, Express, React, and Node.js together.
2. User Authentication and Authorization: Secure login and registration with custom authentication systems and JWT tokens.
3. Data Validation: Implementing express-validator middleware for robust data validation.
4. Chat Storage: User messages and chat histories are stored in MongoDB.
5. JWT Authorization Tokens: Using JWT tokens and HTTP-only cookies for secure authentication.
6. Protected Routes: Routes protected with verification checks to ensure only authorized users have access.
7. Modern React App: Built with Vite for a fast and modern development experience.
8. Beautiful Chat UI: Designed using the Material UI library for a clean and responsive chat interface.
9. Responsive Design: Ensuring the application is fully responsive across different devices.
10. OpenAI Integration: Seamless integration with OpenAI’s API for chatbot functionalities.
11. User Session Management: Handling and storing user sessions effectively.