📦 BRHEX Inventory Management System

A complete inventory, sales, and invoice management system designed for small to medium businesses.

Features include barcode scanning, serial-based inventory tracking, dynamic invoice creation, PDF & POS bill generation, and advanced sales analytics.

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📘 ER Diagram

The system is designed using a clean relational structure.

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💻 Tech Stack

This system is built using the T3 stack principles, utilizing TypeScript for robust type safety and Next.js for full-stack functionality.

Core Technologies

Component	Technologies Used
Framework	Next.js (Full-stack)
Language	TypeScript
Database	MongoDB with Mongoose ODM
Authentication	JSON Web Tokens (JWT)

Tools & Libraries

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🚀 Features

✅ User & Authentication

• Secure JWT-based login
• Role management: admin, user
• Admin controls all modules

🏷️ Category Management

• Create, update, delete categories
• Organize products clearly

📦 Product Management

• Add/edit/delete products
• Assign categories
• Search & filter products

🛠️ Inventory Management

• Serial number–based tracking
• Auto update inventory status:
  • in_stock
  • sold
  • in_warranty
  • returned
• Purchase price, selling price, warranty
• Auto barcode generator for non-serial items

🧾 Invoice Management

• Add items via barcode/serial scanning
• Auto fetch inventory data
• Full invoice calculation:
  • Subtotal
  • Discount
  • Tax
  • Total
  • Paid / Due
• Payment history tracking

🖨️ Invoice Output

• Auto-generate:
  • A4 PDF Invoice
  • POS-size thermal bill

📊 Dashboard Analytics

• Daily, monthly, yearly sales charts
• Bar & line charts
• Summary cards:
  • Total Sales
  • Total Paid
  • Total Due
  • Total Invoices
  • Inventory Status

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🔑 Default Admin Credentials

Upon initial clone and setup, a default admin user will be automatically created for immediate login:

Field	Value
Email	admin@brhex.com
Password	Brhex@123

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📥 Clone the Repository

git clone [https://github.com/pantho0/brhex-inventory-management.git](https://github.com/pantho0/brhex-inventory-management.git)
cd your-repo-name

npm install
npm run start:dev
npm run start:prod