# Arctic Species Tracker - Development Guide

## Tech Stack

### Frontend
- **React 18** with TypeScript for type safety and better developer experience
- **Vite** for fast development and optimized builds
- **TanStack Query** (React Query) for efficient data fetching and caching
- **Tailwind CSS** with ShadcnUI for modern, responsive design
- **Lucide Icons** for consistent iconography
- **jsPDF** for PDF report generation
- **Recharts** for data visualizations

### Backend
- **Supabase** for:
  - PostgreSQL database
  - Authentication
  - Real-time subscriptions
  - Row Level Security (RLS)
  - API management

### Data Sources Integration
- IUCN Red List API
- CITES Species+ API
- CITES Trade Database
- iNaturalist API for species images

## Development Process

### Phase 1: Setup and Infrastructure (2 weeks)
1. Project initialization and repository setup
2. Development environment configuration
3. Supabase project setup and database schema design
4. CI/CD pipeline with GitHub Actions
5. Development of core components and utilities

### Phase 2: Data Integration (3 weeks)
1. Database schema implementation
2. API integration with IUCN Red List
3. Integration with CITES Species+ API
4. CITES Trade Database connection
5. iNaturalist API integration for species images
6. Data transformation and normalization

### Phase 3: Core Features (4 weeks)
1. Species search functionality
2. Species details view
3. CITES listings display
4. Trade data visualization
5. Timeline implementation
6. Error handling and loading states

### Phase 4: Enhanced Features (3 weeks)
1. PDF report generation
2. Data visualization improvements
3. Advanced filtering
4. Performance optimization
5. Mobile responsiveness
6. Accessibility improvements

### Phase 5: Testing and Refinement (2 weeks)
1. Unit testing
2. Integration testing
3. Performance testing
4. User acceptance testing
5. Bug fixes and optimizations

## Development Timeline

Total Development Time: 14 weeks

```mermaid
gantt
    title Arctic Species Tracker Development Timeline
    dateFormat  YYYY-MM-DD
    section Setup
    Project Setup           :2024-01-01, 1w
    Infrastructure         :2024-01-08, 1w
    section Data
    Database Schema        :2024-01-15, 1w
    API Integration        :2024-01-22, 2w
    section Core
    Basic Features        :2024-02-05, 2w
    Advanced Features     :2024-02-19, 2w
    section Enhancement
    PDF Reports          :2024-03-04, 1w
    Visualizations       :2024-03-11, 2w
    section Testing
    Testing & QA         :2024-03-25, 2w
```

## Development Team Requirements

### Core Team
- 1 Project Manager
- 2 Frontend Developers
- 1 Backend Developer
- 1 UI/UX Designer
- 1 QA Engineer

### Skills Required
- React/TypeScript expertise
- PostgreSQL database design
- REST API integration
- Data visualization
- UI/UX design
- Testing methodologies

## Deployment Strategy

### Development Environment
- Local development using Vite
- Supabase local development
- GitHub for version control

### Staging Environment
- Vercel preview deployments
- Supabase staging project
- Automated testing

### Production Environment
- GitHub Pages for frontend hosting
- Supabase production instance
- Continuous deployment

## Monitoring and Maintenance

### Performance Monitoring
- Vercel Analytics
- Supabase Dashboard
- Error tracking with Sentry

### Regular Maintenance
- Weekly dependency updates
- Monthly security audits
- Quarterly performance reviews

## Future Enhancements

### Planned Features
1. Advanced search filters
2. Batch report generation
3. Data export options
4. User accounts and preferences
5. Interactive maps
6. Real-time notifications

### CRUD Operations Improvements
1. **Enhanced IUCN Assessment Management**
   - Implement full CRUD interface for IUCN assessments
   - Add validation for assessment data
   - Create hooks similar to `useCitesListingCrud` for IUCN assessments
   - Implement optimistic updates for better UX

2. **Subpopulation Management**
   - Create dedicated components for subpopulation CRUD
   - Add geospatial data support for Arctic regions
   - Implement region-specific conservation status tracking
   - Add visualization for subpopulation distribution

3. **Common Names Management**
   - Build multilingual support for common names
   - Add language/region tagging for names
   - Implement search by any common name
   - Create bulk import/export functionality

4. **Bulk Operations**
   - Develop batch processing system for multiple records
   - Create CSV import/export functionality
   - Implement transaction-based operations for data integrity
   - Add progress tracking for bulk operations

### Trade Data Filtering Improvements
1. **Advanced Filtering System**
   - Refactor `useTradeRecordFilters` to support multiple filter types
   - Implement filter composition with AND/OR logic
   - Create persistent filter state with URL parameters
   - Add filter presets and user-saved filters

2. **Geographic and Quantity Filtering**
   - Add geospatial filtering by country/region
   - Implement trade route visualization
   - Create quantity-based threshold filters
   - Add time-series analysis for quantity changes

3. **Filter UI Enhancements**
   - Design multi-select filter components
   - Implement date range picker for temporal filtering
   - Create visual filter builder interface
   - Add filter state visualization

### Timeline Enhancement Implementation
1. **Conservation Status Change Indicators**
   - Add visual flags to timeline for status changes
   - Implement correlation analysis between status changes and trade
   - Create hover tooltips with detailed change information
   - Add filtering by change significance

2. **Cause-Effect Analysis**
   - Develop algorithms to detect potential correlations
   - Implement visual connections between related events
   - Create statistical analysis of trade pattern changes
   - Add predictive indicators based on historical patterns

3. **Timeline Visualization Improvements**
   - Implement side-by-side species comparison
   - Add zooming and scaling for timeline view
   - Create custom event categories and color coding
   - Implement timeline export and sharing

### Technical Improvements
1. Bundle size optimization
2. Server-side rendering
3. Progressive Web App (PWA)
4. Automated data updates
5. Enhanced caching strategies

## Development Best Practices

### Code Quality
- TypeScript for type safety
- ESLint for code linting
- Prettier for code formatting
- Husky for pre-commit hooks

### Documentation
- Comprehensive README
- API documentation
- Component documentation
- Development guides

### Testing
- Jest for unit testing
- React Testing Library
- E2E testing with Cypress
- Regular performance audits

## Security Considerations

### Data Protection
- API key management
- Rate limiting
- Data encryption
- Regular security audits

### Compliance
- GDPR compliance
- Data retention policies
- Attribution requirements
- API usage agreements