# Changelog

All notable changes to the License Monitoring SDK 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).

## [1.1.0] - 2024-08-10

### 🎉 Major Documentation Release

This release focuses on providing comprehensive documentation for both developers and vendors using the License Monitoring SDK.

### Added

#### 📚 Complete Documentation Suite
- **CLIENT-DOCUMENTATION.md** - Comprehensive guide for developers integrating the SDK
  - Quick start guide with 3-line setup
  - Complete API reference with examples
  - Framework integrations (Express.js, Next.js, NestJS, Mongoose)
  - Error handling and troubleshooting guides
  - Performance optimization tips
  - Security best practices

- **VENDOR-DOCUMENTATION.md** - Complete guide for software vendors
  - License creation and management workflows
  - System monitoring and analytics dashboards
  - Remote control capabilities and commands
  - Anti-piracy features and security measures
  - Database schema documentation
  - Vendor API reference with examples

- **API-REFERENCE.md** - Technical reference documentation
  - Complete API documentation for all classes and methods
  - Data models and database schemas
  - Configuration options and error types
  - TypeScript definitions
  - Event system documentation
  - Internal architecture details

- **FEATURES-OVERVIEW.md** - Comprehensive features guide
  - Detailed explanation of all SDK capabilities
  - Industry-specific use cases and examples
  - Integration patterns and best practices
  - Performance and scalability features
  - Enterprise features overview

#### 🚀 Enhanced Package Configuration
- Added all documentation files to npm package distribution
- Added convenience scripts for documentation access
- Updated package metadata with comprehensive keywords
- Improved package.json structure for better discoverability

#### 📖 Documentation Features
- **50+ pages** of comprehensive documentation
- **Real-world examples** for every feature and use case
- **Framework-specific integration guides** with complete code samples
- **Complete API reference** with TypeScript definitions
- **Security best practices** and implementation guidelines
- **Troubleshooting guides** with common issues and solutions
- **Industry use cases** for SaaS, e-commerce, gaming, and healthcare
- **Performance optimization** guidelines and tips

### Enhanced

#### 📋 README.md Improvements
- Added comprehensive documentation navigation
- Role-based documentation guidance (developers vs vendors)
- Quick links to relevant sections
- Enhanced support information and resources
- Better organization of existing content

#### 📦 Package Distribution
- Documentation files now included in npm package
- Better file organization and structure
- Enhanced package metadata for discoverability

### Technical Details

#### Documentation Coverage
- **Client Integration**: Complete guide from installation to production deployment
- **Vendor Management**: Full license management and monitoring capabilities
- **API Reference**: Every method, class, and interface documented
- **Features**: All SDK capabilities explained with examples
- **Security**: Comprehensive security guidelines and best practices
- **Performance**: Optimization tips and scalability considerations

#### Code Examples
- **Framework Integrations**: Express.js, Next.js, NestJS, Mongoose
- **Real-world Patterns**: Service layer, repository pattern, middleware
- **Error Handling**: Comprehensive error handling strategies
- **Performance**: Batch operations, async logging, resource management
- **Security**: Data sanitization, input validation, secure configuration

### Package Information

- **Package Size**: 75.0 kB (compressed), 449.7 kB (unpacked)
- **Total Files**: 31 files including comprehensive documentation
- **Documentation**: 5 comprehensive markdown files (109+ KB of documentation)
- **Node.js Support**: >= 14.0.0
- **Dependencies**: mongoose ^8.0.0, os ^0.1.2

---

## [1.0.0] - 2024-08-09

### 🎉 Initial Release

The first stable release of the License Monitoring SDK with complete functionality for license management, system monitoring, and remote control.

### Added

#### 🔐 Core License Management
- **Automatic License Validation** - Validates license keys against secure database
- **Distribution Limit Enforcement** - Prevents unauthorized distribution beyond license limits
- **License Status Tracking** - Real-time license status monitoring and validation
- **Anti-Piracy Protection** - Automatic detection and prevention of license violations

#### 📊 System Monitoring & Tracking
- **Automatic System Information Collection** - Hardware, software, and environment details
- **Real-time Deployment Tracking** - Geographic distribution and deployment monitoring
- **Performance Monitoring** - System resource usage and application health
- **Environment Detection** - Automatic detection of development/staging/production environments

#### 📝 Data Logging & Analytics
- **Flexible Data Logging API** - Log any application data with `logData()` method
- **User Activity Tracking** - Track user behavior with `logUserActivity()` method
- **Model Operation Logging** - Database operation tracking with `logModelOperation()` method
- **Bulk Operations** - High-performance bulk logging capabilities

#### 🎮 Remote Control System
- **Application Control** - Remotely block/unblock applications
- **License Management** - Update license status and features remotely
- **Configuration Updates** - Push configuration changes in real-time
- **Command Execution** - Execute remote commands with automatic retry

#### 🛡️ Security Features
- **Encrypted Data Transmission** - All data encrypted in transit using TLS/SSL
- **Secure Database Connections** - MongoDB connections with authentication
- **Data Sanitization** - Automatic PII filtering and data sanitization
- **Access Control** - Role-based access control for vendor operations

#### 🔧 Developer Experience
- **Simple Integration** - 3-line setup: import, create instance, initialize
- **Zero Configuration** - Works out of the box with sensible defaults
- **Framework Support** - Compatible with Express.js, Next.js, NestJS, and more
- **TypeScript Support** - Full TypeScript definitions included
- **Comprehensive Error Handling** - Detailed error messages and recovery strategies

#### 📈 Enterprise Features
- **Scalable Architecture** - Designed for high-volume applications
- **Connection Pooling** - Efficient database connection management
- **Health Monitoring** - Built-in health checks and status monitoring
- **Graceful Shutdown** - Proper resource cleanup and connection management

### Technical Specifications

#### Database Collections
- **licenses** - License information and validation data
- **system_tracking** - System information and deployment details
- **usage_logs** - Application data and user activity logs
- **remote_commands** - Remote control commands and execution status

#### API Methods
- `init(licenseKey, options)` - Initialize SDK with license key
- `logData(collection, data, operation)` - Log application data
- `logUserActivity(userId, action, details)` - Log user activities
- `logModelOperation(modelName, operation, data)` - Log model operations
- `isLicenseValid()` - Check license validity
- `getLicenseStatus()` - Get detailed license information
- `isApplicationBlocked()` - Check if application is blocked
- `healthCheck()` - Perform comprehensive health check
- `shutdown()` - Graceful shutdown and cleanup

#### Configuration Options
- License validation settings
- System tracking configuration
- Remote control options
- Database connection parameters
- Logging and debugging options

### Dependencies

- **mongoose**: ^8.0.0 - MongoDB object modeling
- **os**: ^0.1.2 - Operating system utilities

### Requirements

- **Node.js**: >= 14.0.0
- **MongoDB**: Handled automatically by SDK
- **License Key**: Required from software vendor

---

## Development Guidelines

### Version Numbering
- **Major (X.0.0)**: Breaking changes, major new features
- **Minor (0.X.0)**: New features, enhancements, non-breaking changes
- **Patch (0.0.X)**: Bug fixes, security updates, minor improvements

### Release Process
1. Update version in package.json
2. Update CHANGELOG.md with new changes
3. Test package locally with `npm pack`
4. Run comprehensive tests
5. Publish to npm with `npm publish`
6. Tag release in git
7. Update documentation if needed

### Contributing
- All changes should be documented in this changelog
- Follow semantic versioning guidelines
- Include comprehensive tests for new features
- Update documentation for API changes

---

## Support

For questions about specific versions or changes:
- **GitHub Issues**: https://github.com/ufdevsllc/authme2.0/issues
- **Documentation**: See the comprehensive documentation files in this package
- **Email Support**: support@ufdevsllc.com

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*This changelog is maintained according to [Keep a Changelog](https://keepachangelog.com/) principles.*