# Implementation Plan

## Repository Setup and Workflow

### Initial Setup
1. Initialize git repository
2. Create `.gitignore` file
   - Include Python-specific ignores
   - Exclude config files with sensitive data
   - Exclude test media files
3. Create virtual environment
4. Set up pre-commit hooks for code quality

### Branch Strategy
- `main`: Production-ready code
- `develop`: Main development branch
- Feature branches: `feature/feature-name`
- Bugfix branches: `bugfix/bug-description`
- Release branches: `release/v1.x.x`

### Workflow Rules
1. All development happens in feature branches
2. Pull requests required for all merges
3. Version bumping follows semantic versioning
4. Changelog must be updated with each PR
5. Tests must pass before merge

## Phase 1: Foundation (Sprint 1-2)

### 1.1 Project Structure Setup
1. Create directory structure
2. Initialize Python project
3. Set up dependency management
4. Create configuration system

### 1.2 Core File Operations
1. Implement file scanner
   - Directory traversal
   - File type detection
   - Basic metadata extraction
2. Create backup system
   - Database initialization
   - Backup record creation
   - Restore functionality
3. Implement basic CLI
   - Command structure
   - Argument parsing
   - Help system

### 1.3 Testing Framework
1. Set up pytest
2. Create test fixtures
3. Implement unit tests
4. Add integration tests

## Phase 2: API Integration (Sprint 3-4)

### 2.1 API Clients
1. TVDB API integration
   - Client implementation
   - Authentication
   - Rate limiting
   - Caching system
2. TMDB API integration
   - Similar structure to TVDB
3. Local LLM integration
   - Client interface
   - Response parsing
   - Error handling

### 2.2 Metadata Management
1. Implement metadata fetchers
2. Create matching algorithms
3. Add confidence scoring
4. Build caching system

## Phase 3: Advanced Features (Sprint 5-6)

### 3.1 Episode Handling
1. Multi-episode detection
2. Episode concatenation
3. Special episode handling
4. Season pack organization
5. Anthology Show Support
   - Configuration flag for anthology mode
   - Title segment extraction and matching
   - Episode range creation from multiple segments
   - Confidence scoring system
6. Title-Based Matching
   - Implement title vs. episode number priority system
   - Configurable match threshold settings
   - Conflict resolution strategies
7. Directory & Filename Inference
   - Folder structure parsing for series detection
   - Number-only file handling
   - Fallback strategies for incomplete metadata

### 3.2 Name Processing
1. Implement name parser
2. Add LLM-based verification
3. Create name formatter
4. Add template system

### 3.3 Preview System
1. Create preview generator
2. Implement diff display
3. Add batch preview
4. Create interactive approval

## Pre-v2: Code Quality and Refactoring

### Codebase Refactoring
1. Identify areas of technical debt
2. Profile codebase for performance bottlenecks
3. Analyze code complexity and duplication
4. Develop refactoring roadmap for v2

### Name Parser Refactoring
1. Data Model Simplification
   - Split into specific media type classes
   - Remove unnecessary optional fields
   - Implement proper inheritance hierarchy
   - Separate confidence scoring system
2. Pattern Matching Improvements
   - Create pattern registry system
   - Implement pattern priority ordering
   - Add pattern confidence scoring
   - Create pattern testing framework
3. Confidence System Overhaul
   - Define clear confidence levels
   - Document confidence scoring rules
   - Implement consistent scoring system
   - Add confidence validation
4. Modular Processing
   - Create separate parsers per media type
   - Implement parser factory
   - Add parser configuration system
   - Create parser testing framework
5. Code Quality Improvements
   - Reduce regex complexity
   - Implement proper error handling
   - Add comprehensive logging
   - Improve test coverage
6. Performance Optimization
   - Implement pattern caching
   - Add result caching
   - Optimize regex patterns
   - Add performance benchmarks

### Test Suite Improvements
1. Improve test coverage to >90%
2. Add property-based testing
3. Enhance integration tests
4. Add stress testing for edge cases

## Phase 4: UI & Polish (Sprint 7-8)

### 4.1 User Interface
1. Enhance CLI
   - Progress indicators
   - Color coding
   - Interactive mode
2. Add configuration UI
3. Implement batch operations
4. Create status dashboard

### 4.2 Error Handling
1. Implement logging system
2. Add error recovery
3. Create user notifications
4. Implement retry logic

### 4.3 Performance Optimization
1. Add parallel processing
2. Optimize API calls
3. Implement caching
4. Add batch operations

## Testing Strategy

### Unit Tests
- Core functionality
- API clients
- File operations
- Name processing

### Integration Tests
- End-to-end workflows
- API integration
- File system operations
- Database operations

### Performance Tests
- Large directory scanning
- Batch operations
- API response times
- Memory usage

## Documentation

### 1. Code Documentation
- Docstrings
- Type hints
- Architecture diagrams
- API documentation

### 2. User Documentation
- Installation guide
- Configuration guide
- Usage examples
- Troubleshooting guide

### 3. Developer Documentation
- Contributing guide
- Development setup
- API reference
- Architecture overview

## Release Process

### 1. Pre-release
- Version bump
- Changelog update
- Documentation update
- Test suite execution

### 2. Release
- Tag creation
- Package building
- PyPI upload
- Documentation deployment

### 3. Post-release
- Announcement
- Migration guide
- Feedback collection
- Issue tracking

## Maintenance Plan

### Regular Tasks
- Dependency updates
- Security patches
- Performance monitoring
- Bug fixes

### Periodic Reviews
- Code quality
- Test coverage
- Documentation accuracy
- User feedback

### Post-MediaType Consolidation Tasks

#### 1. ✅ Address mypy typing issues (COMPLETED)
- Fixed type annotations in compatibility modules
- Addressed template loading and management type errors
- Resolved Union and Optional type handling
- Updated test files with proper type annotations
- Ensured all functions have appropriate return type annotations
- Added mypy-specific directives where needed
- Fixed safe_cast.py typing issues
- Resolved enum instance attribute access type errors

#### 2. Increase test coverage in low-coverage areas
- Target modules with <70% coverage first
- Focus on refactored template modules (now separated from original name_templates.py)
- Add tests for `plexomatic/utils/safe_cast.py` (0% coverage)
- Improve `plexomatic/utils/media_type_compat.py` coverage
- Follow TDD approach for all new tests
- Create comprehensive type testing

#### 3. Remove deprecated code
- Identify all deprecated code with compatibility layers
- Create migration plan for each deprecated component
- Update documentation for breaking changes
- Implement clean removal of redundant MediaType implementations
- Ensure backward compatibility through proper deprecation notices
- Verify functionality is maintained after removal

### Code Refactoring Tasks

#### 1. ✅ Split name_templates.py into manageable modules (COMPLETED)
- Original file was over 1200 lines with complex functionality
- Successfully broken down into smaller, focused modules:
  - `template_types.py`: Enums, constants, and helper functions
  - `template_manager.py`: Template loading and management
  - `template_formatter.py`: Core formatting functionality
  - `multi_episode_formatter.py`: Multi-episode handling
  - `default_formatters.py`: Media type-specific default formatters
  - `template_registry.py`: Public API for template registration
  - `file_utils.py`: High-level utilities for file operations
- Implemented clean interfaces between modules
- Fixed existing syntax and type errors during refactoring
- Used proper type annotations throughout
- Eliminated duplicated code
- Implemented comprehensive unit tests for each module
- Complete test coverage for most modules

#### 2. Improve error handling and logging
- Implement proper exception hierarchies
- Add comprehensive error messages
- Ensure all exceptions are properly caught and handled
- Add detailed logging throughout the codebase
- Create standardized logging format

#### 3. Implement comprehensive test fixtures
- Create fixture factories for common test objects
- Implement property-based testing for complex functions
- Add test coverage for edge cases and error conditions
- Create test utilities for common testing patterns

## Timeline
- Phase 1: Weeks 1-4
- Phase 2: Weeks 5-8
- Phase 3: Weeks 9-12
- Phase 4: Weeks 13-16
- Testing & Documentation: Ongoing
- First Release (v1): Week 16
- Pre-v2 Refactoring: Weeks 17-20
- V2 Development: Weeks 21-28
- Maintenance: Ongoing

## Current Sprint: Documentation Overhaul and MVP Completion

### Progress So Far
1. ✅ Template System Refactoring Complete
   - Split large name_templates.py module into smaller, focused modules
   - Enhanced test coverage with dedicated test files
   - Fixed circular dependencies and improved code organization
   - All tests passing with proper type annotations

2. ✅ Preview System Implementation
   - Core preview functionality in plexomatic/utils/preview_system.py
   - Preview commands in CLI interface
   - Diff display for file operations
   - Batch preview capabilities

3. ✅ Configuration System
   - Interactive CLI configuration for API keys
   - Secure storage of credentials
   - LLM integration settings

4. ✅ CLI Command Implementation
   - Implemented `templates` command with `list` and `show` subcommands
   - Added template preview functionality
   - Enhanced test coverage for CLI commands
   - Fixed type errors in template formatter
   - Ensured all tests pass with proper type annotations

### Current Focus: Documentation Overhaul for MVP Completion
1. Create Comprehensive Getting Started Guide
   - Step-by-step installation instructions
   - Initial configuration walkthrough
   - Basic usage examples
   - Troubleshooting common issues

2. Update Existing Documentation
   - Ensure all command documentation is up-to-date
   - Add template system documentation
   - Update CLI command reference
   - Add screenshots for key operations

3. Documentation Organization
   - Improve navigation between documentation sections
   - Ensure consistent formatting throughout
   - Add search functionality if possible
   - Create quick reference cards for common operations

### Blocking Issues for MVP
1. ✅ Sample Media Generation
   - Create sample media files for testing
   - Ensure variety of naming patterns for robust testing
   - Document sample media setup process

2. Documentation Completeness
   - Comprehensive coverage of all features
   - User-friendly navigation and structure
   - Clear examples and use cases
   - Installation and setup guides for different environments

3. ✅ Integration Testing
   - Test all components working together
   - Verify API integrations function properly
   - Test on different operating systems if possible

### Next Steps After MVP
1. Performance Optimization
   - Profile application for bottlenecks
   - Implement caching for slow operations
   - Add parallel processing where appropriate

2. UI Improvements
   - Enhance terminal UI with better formatting
   - Add interactive mode for complex operations
   - Improve error display and recovery options

3. Extended Functionality
   - Support for more media types
   - Additional metadata sources
   - Custom template capabilities
