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Haziq - AI Chat Assistant

Modern AI-powered chat application built with Next.js 15, featuring intelligent conversations, document analysis, and file upload capabilities with secure authentication.

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Challenge

Build a comprehensive AI chat application that provides intelligent conversations, document analysis, and file processing capabilities. The challenge was to create a production-ready platform with secure authentication, subscription management, and advanced AI integration while maintaining optimal performance and user experience.

Approach

Developed a full-stack AI chat application using Next.js 15 with App Router, implementing modern web technologies and AI integration. The solution focuses on creating a seamless user experience with real-time chat capabilities, file processing, and comprehensive user management.

Implemented advanced features including streaming AI responses, multi-format file upload and analysis, secure user authentication with multiple providers, subscription management with Stripe, and usage tracking. The application supports various document formats and provides intelligent analysis capabilities.

Category
Full-Stack Development
Client
Portfolio Project
Year
2024
Duration
One Week

Technical Implementation

AI Integration & Real-time Chat

Integrated OpenAI GPT-4o models using Vercel AI SDK for intelligent conversations. Implemented streaming responses with typing indicators and real-time chat functionality. Built comprehensive file processing system supporting images, documents, and spreadsheets with AI-powered analysis.

Authentication & Security

Implemented secure authentication system using Auth.js with support for email/password, Google OAuth, and GitHub OAuth. Built comprehensive user management with protected routes, session handling, and secure data storage with PostgreSQL and Prisma.

Subscription & Payments

Integrated Stripe payment processing for subscription management with usage tracking and billing. Implemented comprehensive analytics dashboard for monitoring user engagement and system performance with real-time usage metrics.

Haziq Homepage
AI Chat Interface
Haziq Homepage Features
Pricing Page
Sign In Page
Sign Up Page
User Profile
Support Page
Usage Tracking

Development Highlights

  • • AI-powered chat with GPT-4o integration
  • • Multi-format file upload and analysis
  • • Real-time streaming responses
  • • Secure multi-provider authentication
  • • Subscription management with Stripe
  • • Usage tracking and analytics
  • • Next.js 15 App Router architecture
  • • TypeScript for type safety
  • • PostgreSQL with Prisma ORM
  • • Tailwind CSS 4.0 for styling
  • • Comprehensive error handling
  • • Production-ready deployment

Key Features

AI Capabilities

  • • Intelligent conversations with context awareness
  • • Document analysis and content extraction
  • • Image processing and description
  • • Multi-format file support

User Experience

  • • Real-time chat with streaming responses
  • • Conversation history and management
  • • Dark/light theme support
  • • Mobile-responsive design

"Successfully created a production-ready AI chat application that demonstrates expertise in modern full-stack development, AI integration, and user experience design. The platform combines cutting-edge AI capabilities with robust backend infrastructure and intuitive frontend design."