🍽️ AI Meal Planner

AI Meal Planner is a MERN stack application that generates personalized meal plans based on user preferences, dietary restrictions, and available pantry items using AI technology.

📋 Features

• 🧠 AI-powered meal plan generation using meta-llama/Meta-Llama-3.1-70B-Instruct by Nebius AI Studio
• 👤 User account creation and authentication
• 🤖 ai-powered chat assistant – provides dietary advice and personalized meal suggestions.
• 🥗 Personalized meal recommendations based on dietary preferences
• 🧪 Allergy and dietary restriction filtering
• 🥫 Pantry-based recipe suggestions to reduce food waste
• 📝 Custom instructions for meal plan generation
• 📊 Nutritional information for each meal
• 📜 Meal planning history tracking

🛠️ Tech Stack

• Frontend: React, React Router, Bootstrap
• Backend: Node.js, Express.js
• Database: MongoDB
• AI Integration: Nebius AI Studio (Meta-Llama-3.1-8B-Instruct)

🚀 Getting Started

Prerequisites

• Node.js (v14+)
• MongoDB (local or Atlas)
• Nebius AI Studio API key

Installation

1. Clone the repository

   git clone https://github.com/yourusername/ai-meal-planner.git
   cd ai-meal-planner

2. Install backend dependencies

   cd server
   npm install

3. Configure environment variables Create a .env file in the server directory:

   PORT=5000
   MONGODB_URI=your_mongodb_connection_string
   NEBIUS_API_KEY=your_nebius_api_key
   

4. Install frontend dependencies

   cd ../client
   npm install

5. Start the development servers

   Backend:

   cd ../server
   node server.js

   Frontend:

   cd ../client
   npm start

6. Access the application Open your browser and navigate to http://localhost:3000

📁 Project Structure

ai-meal-planner/
├── client/                 # React frontend
│   ├── public/             # Static files
│   └── src/
│       ├── components/     # UI components
│       ├── contexts/       # React contexts
│       ├── pages/          # Page components
│       └── utils/          # Utility functions
│
└── server/                 # Node.js backend
    ├── config/             # Configuration files
    ├── controllers/        # Route controllers
    ├── models/             # MongoDB models
    ├── routes/             # API routes
    └── services/           # Business logic

🧩 API Endpoints

User Endpoints

• POST /api/users/login - User login
• POST /api/users - Create new user
• PUT /api/users/:userId - Update user preferences
• GET /api/users/:userId - Get user details

Meal Plan Endpoints

• POST /api/meals/generate - Generate new meal plan
• GET /api/meals/user/:userId - Get user's meal plans
• GET /api/meals/history/:userId - Get meal planning history
• DELETE /api/meals/plan/:id - Delete a meal plan

🤝 Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgements

• Nebius AI Studio for providing the AI model
• MongoDB Atlas for database hosting
• Bootstrap for UI components
• React for the frontend framework

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