# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [1.0.0] - 2024-01-XX

### Added
- 🎉 Initial release of expo-geofencing
- 🧭 **Core Geofencing Features**
  - Circular geofence support with enter/exit detection
  - Background location monitoring
  - Activity recognition (still, walking, running, driving, cycling)
  - Power-efficient location updates using FusedLocationProvider

- 🔋 **Production-Ready Reliability**
  - Battery optimization detection and handling (Android)
  - Health monitoring with 5-minute interval checks
  - App persistence mechanisms with anti-kill features
  - Automatic service restart on system termination

- 🌐 **Offline & Network Recovery**
  - Offline geofence evaluation without internet connectivity
  - Event queuing with automatic sync when network returns
  - Intelligent batching based on network quality
  - Exponential backoff retry logic with failure recovery

- 🔒 **Security & Privacy Protection**
  - End-to-end AES encryption for sensitive location data
  - Privacy zones for hospitals, government buildings, etc.
  - Data anonymization with differential privacy
  - Audit logging with integrity verification

- 🗺️ **Advanced Geofence Management**
  - Polygon geofences for complex shaped regions
  - Spatial indexing for performance optimization
  - Time-based activation (business hours, specific days)
  - Conditional rules based on external factors
  - Hierarchical geofences with parent-child relationships

- 🔗 **Enterprise Webhook System**
  - Real-time notifications to external systems
  - Configurable retry logic with exponential backoff
  - Multiple authentication methods (Bearer, API Key, Basic)
  - Event filtering and conditional triggering
  - Delivery tracking and performance metrics

- 📊 **Data Management & Analytics**
  - Encrypted event storage with configurable retention
  - Comprehensive analytics generation
  - JSON and CSV export capabilities
  - Data anonymization and privacy compliance
  - User consent management

- 🛠️ **Developer Experience**
  - TypeScript support with comprehensive type definitions
  - Expo config plugin for automatic permission setup
  - Enhanced example app with production features
  - Comprehensive documentation and guides

### Platform Support
- ✅ Android API 21+ with Google Play Services
- ✅ iOS 13.0+ with Core Location and Core Motion
- ✅ Expo SDK 49.0.0+
- ✅ React Native 0.72.0+

### Dependencies
- `@react-native-async-storage/async-storage`: ^1.19.0
- `crypto-js`: ^4.1.1

### Peer Dependencies
- `expo`: >=49.0.0
- `react`: >=18.0.0
- `react-native`: >=0.72.0

### Breaking Changes
- None (initial release)

### Migration Guide
- None (initial release)

### Known Issues
- Web platform not supported (requires native location services)
- Some Android manufacturers may require manual battery optimization setup
- iOS background location requires "Always" permission for optimal performance

### Security Considerations
- All location data can be encrypted at rest using AES encryption
- Privacy zones automatically protect sensitive locations
- Audit logging provides complete traceability of location access
- Data anonymization options available for privacy compliance

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## Upcoming Features (Roadmap)

### [1.1.0] - Planned
- 📱 **Enhanced Mobile Features**
  - Indoor positioning with beacon support
  - Enhanced activity recognition with context awareness
  - Multi-device synchronization

- 🎯 **Advanced Analytics**
  - Machine learning-based location insights
  - Predictive geofence suggestions
  - Advanced reporting dashboard

- 🔧 **Developer Tools**
  - Visual geofence editor
  - Real-time debugging tools
  - Performance profiling utilities

### [1.2.0] - Planned
- 🌍 **Global Scale Features**
  - Multi-region support
  - CDN-based geofence distribution
  - Advanced load balancing

- 🏢 **Enterprise Features**
  - SSO integration
  - Multi-tenant support
  - Advanced compliance features

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## Support

For issues, feature requests, or questions:
- 📧 Email: support@expo-geofencing.dev
- 🐛 Issues: [GitHub Issues](https://github.com/your-username/expo-geofencing/issues)
- 📖 Documentation: [GitHub README](https://github.com/your-username/expo-geofencing)

## Contributors

- Claude AI Assistant - Initial development and architecture
- Expo Community - Inspiration and feedback

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**Made with ❤️ for the Expo and React Native community**