🍽️ AI Meal Plan Generator

A modern, full-stack web application that generates personalized meal plans using AI. Built with Next.js, TypeScript, and integrated with Stripe for subscription management.

✨ Features

• AI-Powered Meal Planning: Generate personalized 7-day meal plans based on your dietary preferences
• Customizable Preferences: Set diet type, calorie goals, allergies, cuisine preferences, and snack options
• User Authentication: Secure user management with Clerk
• Subscription Management: Multiple pricing tiers with Stripe integration
• Interactive Calendar View: Visual meal plan display with calendar interface
• PDF Export: Download your meal plans as PDF documents
• Responsive Design: Beautiful, modern UI that works on all devices
• Real-time Updates: React Query for efficient data fetching and caching

🚀 Tech Stack

• Frontend: Next.js 15, React 19, TypeScript
• Styling: Tailwind CSS 4
• Authentication: Clerk
• Database: PostgreSQL with Prisma ORM
• Payment Processing: Stripe
• AI Integration: OpenAI API (via OpenRouter)
• State Management: TanStack React Query
• UI Components: React Calendar, React Hot Toast
• PDF Generation: jsPDF, html2canvas

📋 Prerequisites

Before running this project, make sure you have:

• Node.js 18+ installed
• PostgreSQL database
• Stripe account
• Clerk account
• OpenRouter API key

🛠️ Installation

1. Clone the repository

   git clone <repository-url>
   cd meal-plan-generator

2. Install dependencies

   npm install

3. Set up environment variables Create a .env.local file in the root directory:

   # Database
   DATABASE_URL="postgresql://username:password@localhost:5432/meal_plan_generator"
   
   # Authentication
   NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY=your_clerk_publishable_key
   CLERK_SECRET_KEY=your_clerk_secret_key
   
   # Stripe
   STRIPE_SECRET_KEY=your_stripe_secret_key
   NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY=your_stripe_publishable_key
   STRIPE_WEBHOOK_SECRET=your_stripe_webhook_secret
   STRIPE_PRICE_WEEKLY=price_weekly_id
   STRIPE_PRICE_MONTHLY=price_monthly_id
   STRIPE_PRICE_YEARLY=price_yearly_id
   
   # AI
   OPEN_ROUTER_API_KEY=your_openrouter_api_key

4. Set up the database

   npx prisma generate
   npx prisma db push

5. Run the development server

   npm run dev

6. Open your browser Navigate to http://localhost:3000

🏗️ Project Structure

meal-plan-generator/
├── app/                          # Next.js app directory
│   ├── api/                      # API routes
│   │   ├── checkout/             # Stripe checkout
│   │   ├── generate-mealplan/    # AI meal plan generation
│   │   ├── webhook/              # Stripe webhooks
│   │   └── profile/              # User profile management
│   ├── mealplan/                 # Meal plan dashboard
│   ├── profile/                  # User profile page
│   ├── subscribe/                # Subscription page
│   └── sign-up/                  # Authentication
├── Components/                   # Reusable React components
├── lib/                         # Utility functions and configurations
├── prisma/                      # Database schema and migrations
└── public/                      # Static assets

💳 Subscription Plans

The application offers three subscription tiers:

• Weekly Plan ($9.99/week): Perfect for trying the service
• Monthly Plan ($39.99/month): Most popular option for ongoing use
• Yearly Plan ($299.99/year): Best value for long-term commitment

🔧 API Endpoints

• POST /api/generate-mealplan - Generate AI meal plans
• POST /api/checkout - Create Stripe checkout sessions
• POST /api/webhook - Handle Stripe webhooks
• GET /api/profile/subscription-status - Check subscription status
• POST /api/profile/unsubscribe - Cancel subscription

🎯 Key Features Explained

AI Meal Plan Generation

The app uses OpenAI's API (via OpenRouter) to generate personalized meal plans. Users can specify:

• Diet type (vegetarian, keto, Mediterranean, etc.)
• Daily calorie goals
• Food allergies and restrictions
• Preferred cuisine styles
• Whether to include snacks

User Management

• Secure authentication with Clerk
• User profile creation and management
• Subscription status tracking
• Plan management and cancellation

Payment Processing

• Secure payment processing with Stripe
• Multiple subscription tiers
• Webhook handling for subscription events
• Automatic billing and renewal

🚀 Deployment

Vercel (Recommended)

1. Connect your GitHub repository to Vercel
2. Set up environment variables in Vercel dashboard
3. Deploy automatically on push to main branch

Other Platforms

The app can be deployed to any platform that supports Next.js:

• Netlify
• Railway
• DigitalOcean App Platform
• AWS Amplify

🤝 Contributing

1. Fork the repository
2. Create a 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.

🆘 Support

If you encounter any issues or have questions:

1. Check the Issues page
2. Create a new issue with detailed information

🔮 Roadmap

• Recipe recommendations with cooking instructions
• Nutritional information and macro tracking
• Shopping list generation
• Meal plan sharing and social features
• Mobile app development
• Integration with grocery delivery services
• Meal plan templates and favorites
• Advanced dietary restrictions and preferences