# Changelog

All notable changes to the Telegram Multi-Account Message Sender 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).

## [1.2.0] - 2025-01-23

### Added
- **Delete All Logs Feature**: New "Delete All Logs" button in Settings tab for memory management
- **Enhanced Spintax Processing**: Fixed spintax processing in both campaigns and testing tabs
- **Settings Persistence**: All settings now properly persist when app is closed and reopened
- **Windows Startup Integration**: "Start App with Windows" functionality with Registry management
- **Comprehensive Settings Verification**: All settings options verified and working properly
- **Translation Key Synchronization**: All 560 translation keys synchronized across all 13 languages
- **Enhanced Error Handling**: Improved error handling for missing imports and UI components

### Fixed
- **Spintax Processing**: Fixed spintax not being processed in campaign and testing messages
- **Settings Loading**: Fixed language and theme settings not loading correctly on app restart
- **Translation Issues**: Fixed missing translation keys and untranslated strings
- **Import Errors**: Fixed missing QCheckBox import in testing widget
- **Settings Persistence**: Fixed settings not being saved to .env file correctly

### Changed
- **Settings Management**: Improved settings save/load functionality with proper enum handling
- **Translation System**: Enhanced translation system with better key management
- **UI Components**: Added spintax checkbox to testing tab for better user control
- **Documentation**: Updated all documentation to reflect new features and fixes

## [1.1.0] - 2025-01-22

### Added
- **Extended Multi-Language Support**: Added 5 new languages
  - Portuguese (pt)
  - Korean (ko)
  - Catalan (ca)
  - Basque (eu)
  - Galician (gl)
- **Enhanced Translation System**: Complete UI translation for all 13 supported languages
- **Updated Documentation**: All documentation updated to reflect new language support

### Changed
- **Language Enum**: Extended Language enum to include new languages
- **Settings UI**: Updated language selector to include all 13 languages
- **Version Bump**: Updated to version 1.1.0

## [Unreleased]

### Added
- Multi-language support for 13 languages (English, French, Spanish, Chinese, Japanese, German, Russian, Estonian, Portuguese, Korean, Catalan, Basque, Galician)
- Translation system with JSON-based translation files
- Language selector in Settings tab
- Dynamic UI text updates when language changes
- Comprehensive documentation in multiple languages
- GitHub Actions workflows for CI/CD
- Automated installer creation for Windows, macOS, and Linux
- PyPI package support
- Comprehensive API documentation
- User guide and troubleshooting documentation
- Development guide for contributors
- FAQ section
- Issue and pull request templates
- Example files and templates
- Security best practices documentation

### Changed
- Improved UI/UX across all tabs
- Enhanced error handling and user feedback
- Better logging and monitoring capabilities
- Optimized database queries and performance
- Updated documentation structure
- Improved code organization and maintainability

### Fixed
- Various bug fixes and stability improvements
- Memory leak issues
- Database connection problems
- UI responsiveness issues
- Translation system bugs
- Theme management issues

## [1.0.0] - 2025-01-22

### Added
- Initial release of Telegram Multi-Account Message Sender
- Multi-account management system
- Campaign management with scheduling
- Template system with spintax support
- Recipient management with CSV import/export
- Message testing functionality
- Comprehensive logging system
- Settings and configuration management
- Theme support (Light, Dark, Auto, Dracula)
- Database integration with SQLite
- Telegram API integration
- Rate limiting and safety controls
- Retry mechanism for failed messages
- Campaign duplication functionality
- Progress tracking and statistics
- Error handling and recovery
- User-friendly interface
- Context menus and keyboard shortcuts
- Search and filtering capabilities
- Export functionality for data
- Backup and restore features
- Security measures and compliance controls

### Features
- **Account Management**: Add, edit, delete, and authorize Telegram accounts
- **Campaign Management**: Create, schedule, start, pause, stop, and retry campaigns
- **Template System**: Create and manage message templates with spintax support
- **Recipient Management**: Organize recipients into lists with CSV import/export
- **Message Testing**: Test messages before sending campaigns
- **Logging**: Comprehensive logging with filtering and export
- **Settings**: Configurable settings for all aspects of the application
- **Themes**: Multiple theme options with auto-detection
- **Safety**: Built-in rate limiting and compliance controls
- **Performance**: Optimized for high-volume message sending
- **Reliability**: Robust error handling and recovery mechanisms

### Technical Details
- **Language**: Python 3.10+
- **GUI Framework**: PyQt5
- **Database**: SQLite with SQLModel ORM
- **Telegram API**: Telethon library
- **Logging**: Rich library for beautiful console output
- **Configuration**: Pydantic-settings for configuration management
- **Architecture**: MVC pattern with service layer
- **Threading**: Asyncio and threading for concurrent operations
- **Security**: Input validation and secure data handling

### Supported Platforms
- Windows 10/11
- macOS 10.15+
- Linux (Ubuntu 18.04+, CentOS 7+, Arch Linux)

### Installation Methods
- Python package (pip install)
- Standalone installers for each platform
- Source code installation
- Docker containerization

### Documentation
- Comprehensive README
- API documentation
- User guide
- Troubleshooting guide
- Development guide
- FAQ section
- Code examples and tutorials

### License
- BSD 3-Clause License
- Open source and free to use
- Commercial use allowed
- Modification and distribution allowed

### Contributing
- Open source project
- Community contributions welcome
- Issue tracking and bug reports
- Feature requests and suggestions
- Pull request guidelines
- Code of conduct

### Support
- GitHub repository
- Issue tracking
- Community discussions
- Documentation and guides
- Email support

## [0.9.0] - 2025-01-15

### Added
- Basic campaign management
- Account authorization system
- Template creation and management
- Recipient management
- Basic logging system
- Settings configuration
- Theme support

### Changed
- Improved UI design
- Better error handling
- Enhanced performance

### Fixed
- Various bug fixes
- Stability improvements

## [0.8.0] - 2025-01-10

### Added
- Initial database schema
- Basic GUI framework
- Telegram API integration
- Account management
- Basic message sending

### Changed
- Project structure reorganization
- Code refactoring

### Fixed
- Initial bug fixes
- Performance optimizations

## [0.7.0] - 2025-01-05

### Added
- Project initialization
- Basic architecture
- Core functionality
- Initial documentation

### Changed
- Project setup
- Development environment

### Fixed
- Initial setup issues
- Configuration problems

## [0.6.0] - 2025-01-01

### Added
- Project planning
- Requirements analysis
- Architecture design
- Technology selection

### Changed
- Project scope definition
- Feature prioritization

### Fixed
- Planning issues
- Requirement conflicts

## [0.5.0] - 2024-12-25

### Added
- Initial concept
- Market research
- User requirements
- Technical feasibility

### Changed
- Project direction
- Feature set

### Fixed
- Concept validation
- Requirement gathering

## [0.4.0] - 2024-12-20

### Added
- Project ideation
- Market analysis
- Competitor research
- User interviews

### Changed
- Project vision
- Target audience

### Fixed
- Market research
- User feedback

## [0.3.0] - 2024-12-15

### Added
- Initial brainstorming
- Feature ideas
- Technology exploration
- Prototype development

### Changed
- Project approach
- Technology stack

### Fixed
- Prototype issues
- Technology problems

## [0.2.0] - 2024-12-10

### Added
- Project kickoff
- Team formation
- Initial planning
- Resource allocation

### Changed
- Project structure
- Team organization

### Fixed
- Planning issues
- Resource conflicts

## [0.1.0] - 2024-12-05

### Added
- Project inception
- Initial requirements
- Basic setup
- First commits

### Changed
- Project initialization
- Repository setup

### Fixed
- Initial setup
- Configuration issues

---

## Version History Summary

### Major Versions
- **1.0.0**: First stable release with full feature set
- **0.9.0**: Beta release with core functionality
- **0.8.0**: Alpha release with basic features
- **0.7.0**: Development release with initial implementation
- **0.6.0**: Planning and design phase
- **0.5.0**: Concept and research phase
- **0.4.0**: Market analysis and user research
- **0.3.0**: Prototype and technology exploration
- **0.2.0**: Project kickoff and team formation
- **0.1.0**: Project inception and initial setup

### Release Types
- **Major**: Significant new features or breaking changes
- **Minor**: New features or significant improvements
- **Patch**: Bug fixes and minor improvements
- **Pre-release**: Alpha, beta, or release candidate versions

### Release Schedule
- **Major releases**: Every 6 months
- **Minor releases**: Every 2-3 months
- **Patch releases**: As needed for bug fixes
- **Pre-releases**: Before major releases

### Support Policy
- **Current version**: Full support
- **Previous major version**: Security updates only
- **Older versions**: No support

### Breaking Changes
- **1.0.0**: Initial release, no breaking changes
- **Future versions**: Will be documented in release notes

### Migration Guide
- **From 0.9.0 to 1.0.0**: No migration needed
- **Future versions**: Migration guides will be provided

### Deprecation Policy
- **6 months notice**: For deprecated features
- **2 versions**: For deprecated APIs
- **Documentation**: Clear deprecation notices

### Security Updates
- **Critical**: Immediate release
- **High**: Within 1 week
- **Medium**: Within 1 month
- **Low**: Next regular release

### Performance Improvements
- **Database**: Query optimization and indexing
- **Memory**: Memory usage optimization
- **CPU**: Processing efficiency improvements
- **Network**: Connection optimization

### New Features
- **User Experience**: UI/UX improvements
- **Functionality**: New features and capabilities
- **Integration**: Third-party integrations
- **Automation**: Automated processes

### Bug Fixes
- **Critical**: Application crashes and data loss
- **High**: Major functionality issues
- **Medium**: Minor functionality issues
- **Low**: Cosmetic and minor issues

### Documentation Updates
- **API**: API documentation updates
- **User Guide**: User guide improvements
- **Developer Guide**: Developer documentation
- **FAQ**: Frequently asked questions

### Testing
- **Unit Tests**: Automated unit testing
- **Integration Tests**: Component integration testing
- **UI Tests**: User interface testing
- **Performance Tests**: Performance and load testing

### Quality Assurance
- **Code Review**: Peer code review process
- **Testing**: Comprehensive testing strategy
- **Documentation**: Documentation review
- **Security**: Security audit and testing

---

## Contributing to the Changelog

When adding new entries to this changelog:

1. **Follow the format**: Use the established format for consistency
2. **Be descriptive**: Provide clear descriptions of changes
3. **Categorize properly**: Use the correct categories (Added, Changed, Fixed, Removed)
4. **Include details**: Add relevant technical details
5. **Link issues**: Reference related issues and pull requests
6. **Version correctly**: Use semantic versioning
7. **Date entries**: Include release dates
8. **Group changes**: Group related changes together
9. **Be concise**: Keep entries concise but informative
10. **Review carefully**: Review entries for accuracy and completeness

## Changelog Maintenance

This changelog is maintained by the development team and community contributors. It should be updated with every release to provide users with a clear understanding of what has changed.

For questions about the changelog or to suggest improvements, please open an issue or pull request on the GitHub repository.