ChatSaaS - Enterprise AI Chat Application Template

A production-ready, enterprise-grade SaaS template for building AI chat applications

Live Demo • Documentation • Contributing

🚀 Features

💬 Advanced Chat Experience

• OpenAI-style interface with real-time messaging
• Conversation management with history and search
• Mobile-optimized responsive design
• Keyboard shortcuts and accessibility features
• Message actions (edit, copy, delete, share)

🎨 Modern UI/UX

• 4 beautiful themes (Light, Dark, Ocean Blue, Purple Rain)
• Glassmorphism effects and smooth animations
• Mobile-first responsive design
• Touch-friendly interactions
• Progressive Web App ready

🎯 Rich Content Rendering

• Markdown with GitHub Flavored Markdown
• Mermaid diagrams for flowcharts and visualizations
• Syntax highlighting for 100+ programming languages
• Code blocks with copy functionality
• Tables, lists, blockquotes and more
• Extensible renderer architecture

🔐 Enterprise Authentication

• JWT-based security with refresh tokens
• Form validation with Zod schemas
• Protected routes and role-based access
• Password strength validation
• Social login ready (extendable)

🏗️ Production Architecture

• TypeScript throughout for type safety
• Error boundaries and comprehensive error handling
• Performance optimized with code splitting
• SEO friendly with meta tags and structured data
• Analytics ready with event tracking
• Monitoring integration (Sentry ready)

📱 Mobile Excellence

• Touch gestures and mobile interactions
• Offline support with service worker
• App-like experience with PWA features
• Optimized for slow networks
• Native sharing support

🛠️ Quick Start

Prerequisites

• Node.js 18+ and npm 9+
• Git for version control

Installation

# Clone and navigate to project
cd C:\Projects\saast\client

# Install dependencies
npm install

# Copy environment configuration
cp .env.example .env.local

# Start development server
npm run dev

Demo Account

• Email: [email protected]
• Password: password123

📦 Scripts

# Development
npm run dev              # Start dev server with hot reload
npm run type-check:watch # Watch TypeScript errors

# Building
npm run build           # Production build with optimizations
npm run build:dev       # Development build
npm run preview         # Preview production build locally

# Code Quality
npm run lint            # Check code quality
npm run lint:fix        # Fix linting issues
npm run format          # Format code with Prettier
npm run type-check      # Check TypeScript types

# Analysis
npm run analyze         # Bundle analyzer
npm run clean          # Clean build artifacts

🏗️ Architecture

Project Structure

src/
├── components/         # Reusable UI components
│   ├── ui/            # Base design system components
│   ├── auth/          # Authentication components
│   ├── chat/          # Chat-specific components
│   └── layout/        # Layout and navigation
├── pages/             # Route-based page components
├── store/             # Global state management (Zustand)
├── services/          # API services and external integrations
├── hooks/             # Custom React hooks
├── utils/             # Utility functions and helpers
├── types/             # TypeScript type definitions
├── config/            # Environment and app configuration
└── styles/            # Global styles and themes

Key Technologies

• React 19 - Modern React with concurrent features
• TypeScript 5.8 - Full type safety
• Tailwind CSS 3.4 - Utility-first styling
• Zustand 5 - Lightweight state management
• React Router 6 - Client-side routing
• React Hook Form + Zod - Form handling with validation
• Vite 6 - Fast build tool and dev server

🎨 Theming System

Built-in Themes

1. Light Theme - Clean and professional
2. Dark Theme - Easy on the eyes
3. Ocean Blue - Cool blue tones
4. Purple Rain - Vibrant gradients

Custom Themes

// Add new theme in src/store/settingsStore.ts
const customTheme: Theme = {
  id: 'custom',
  name: 'Custom Theme',
  mode: 'dark',
  colors: {
    primary: '#your-color',
    secondary: '#your-color',
    // ... other colors
  },
};

🔧 Configuration

Environment Variables

# API Configuration
VITE_API_BASE_URL=https://api.yourdomain.com
VITE_ENABLE_MOCK_API=false

# Features
VITE_ENABLE_ANALYTICS=true
VITE_ENABLE_ERROR_REPORTING=true

# Analytics
VITE_GOOGLE_ANALYTICS_ID=GA_MEASUREMENT_ID
VITE_SENTRY_DSN=YOUR_SENTRY_DSN

Feature Flags

Control features via environment variables:

• VITE_ENABLE_VOICE_RECORDING - Voice input
• VITE_ENABLE_FILE_UPLOAD - File attachments
• VITE_ENABLE_ANALYTICS - User analytics
• VITE_ENABLE_ERROR_REPORTING - Error tracking

🚀 Deployment

Build for Production

npm run build

Deploy to Vercel

npm install -g vercel
vercel --prod

Deploy to Netlify

npm run build
# Deploy dist/ folder to Netlify

Docker Deployment

FROM node:18-alpine as builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html
EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]

🔌 API Integration

Replace Mock API

1. Update VITE_API_BASE_URL in .env.local
2. Set VITE_ENABLE_MOCK_API=false
3. Implement backend endpoints:
   • POST /auth/login - User authentication
   • POST /auth/register - User registration
   • POST /chat/message - Send message to AI

Backend Requirements

// Expected API responses
interface LoginResponse {
  user: User;
  token: string;
}

interface ChatResponse {
  message: {
    id: string;
    content: string;
    role: 'assistant';
    timestamp: string;
  };
}

📊 Performance

Optimization Features

• Code splitting - Lazy loaded routes and components
• Bundle analysis - Visualize bundle size
• Tree shaking - Remove unused code
• Image optimization - WebP and lazy loading
• Caching strategy - Service worker and HTTP caching

Performance Monitoring

# Analyze bundle size
npm run analyze

# Check build performance
npm run build -- --stats

🧪 Testing (Coming Soon)

# Unit tests
npm run test

# E2E tests
npm run test:e2e

# Coverage report
npm run test:coverage

🔒 Security

Security Features

• Content Security Policy (CSP) headers
• XSS protection with sanitized HTML
• CSRF protection with token validation
• Secure authentication with JWT
• Input validation with Zod schemas

Security Best Practices

• Environment variables for secrets
• Sanitized user inputs
• Secure HTTP headers
• Regular dependency updates

📱 PWA Features

The app is Progressive Web App ready:

• Offline support - Works without internet
• App-like experience - Install on device
• Push notifications - Engage users
• Background sync - Sync when online

🌐 Internationalization (Coming Soon)

// i18n ready structure
const messages = {
  en: { welcome: 'Welcome to ChatSaaS' },
  es: { welcome: 'Bienvenido a ChatSaaS' },
  fr: { welcome: 'Bienvenue à ChatSaaS' },
};

🤝 Contributing

We welcome contributions! See our Contributing Guide for details.

Development Workflow

1. Fork the repository
2. Create feature branch: git checkout -b feature/amazing-feature
3. Make changes with tests
4. Commit: git commit -m 'Add amazing feature'
5. Push: git push origin feature/amazing-feature
6. Submit Pull Request

Code Standards

• TypeScript for all new code
• ESLint + Prettier for formatting
• Conventional commits for messages
• Component documentation required
• Mobile-first responsive design

📈 Roadmap

Version 1.1 (Q2 2024)

• [ ] Voice input/output
• [ ] File upload support
• [ ] Advanced admin dashboard
• [ ] Multi-language support

Version 1.2 (Q3 2024)

• [ ] Real-time collaboration
• [ ] Plugin system
• [ ] Advanced analytics
• [ ] White-label solution

Version 2.0 (Q4 2024)

• [ ] AI model marketplace
• [ ] Custom model training
• [ ] Enterprise SSO
• [ ] Advanced integrations

📄 License

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

🙏 Acknowledgments

• React - UI framework
• Tailwind CSS - Styling framework
• Mermaid - Diagram generation
• Lucide React - Beautiful icons
• Zustand - State management

📞 Support

• 📧 Email: [email protected]
• 💬 Discord: Join our community
• 📖 Documentation: Developer Guide
• 🐛 Bug Reports: GitHub Issues

Built with ❤️ for the developer community

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