HD NOTES - Note Taking Application

A modern full-stack note-taking application built with React (TypeScript) frontend and Node.js (TypeScript) backend.

✨ Features

🔐 Authentication

• Signup with email + OTP verification
• Login/Signup with Google account
• JWT-based secure authorization
• Error handling for incorrect inputs, OTP errors, and API failures

📝 Notes

• Create and delete notes
• View notes after login/signup
• User-specific notes (authorized via JWT)

🎨 User Interface

• Mobile-friendly and responsive
• Design replicates provided assets (Apple Notes-inspired)

🛠️ Technology Stack

• Frontend: React 18 + TypeScript, Vite, TailwindCSS, React Router
• Backend: Node.js, Express, TypeScript
• Database: MongoDB with Mongoose
• Auth: JWT, Google OAuth, Nodemailer for OTP
• Version Control: Git

🚀 Quick Start

Clone Repository

git clone <repository-url>
cd HD-Notes

Backend Setup

cd backend
npm install
cp .env.example .env   # update values
npm run dev

Frontend Setup

cd frontend
npm install
npm run dev

Default URLs

• Frontend: http://localhost:5173
• Backend: http://localhost:4000

📋 Prerequisites

• Node.js 18+
• MongoDB (local or Atlas)
• Google OAuth credentials (for Google login)
• Gmail App Password (for OTP delivery)

⚙️ Environment Variables (Backend)

PORT=4000
MONGO_URI=mongodb://localhost:27017/hdnotes
JWT_SECRET=your_jwt_secret
FRONTEND_URL=http://localhost:5173
EMAIL_USER=your-gmail@gmail.com
EMAIL_PASS=your-gmail-app-password
SESSION_SECRET=your_session_secret
GOOGLE_CLIENT_ID=your-google-client-id
GOOGLE_CLIENT_SECRET=your-google-client-secret
GOOGLE_CALLBACK_URL=http://localhost:4000/api/auth/google/callback

📡 API Endpoints

Authentication

• POST /api/auth/signup - Signup with OTP
• POST /api/auth/login - Login with OTP
• POST /api/auth/otp/verify - Verify OTP
• POST /api/auth/logout - Logout user
• GET /api/auth/me - Get current user info
• GET /api/auth/google - Start Google OAuth
• GET /api/auth/google/callback - Google OAuth callback

Notes

• POST /api/notes - Create note
• GET /api/notes - Get all notes
• DELETE /api/notes/:id - Delete note