Feat/enhanced features and improvements

IMPROVEMENTS_PLAN.md

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+# Unit3Dup - Improvements Plan
+
+## Identified Missing Features and Improvements
+
+### 1. **Image Upload Resilience** 🖼️
+**Current State:**
+- Single retry mechanism (4 attempts)
+- No fallback between image hosts
+- No upload queue for failed images
+
+**Improvements Needed:**
+- Multi-host fallback system
+- Upload queue with retry scheduling
+- Better error reporting
+- Image compression optimization
+- Support for more image hosts
+
+---
+
+### 2. **Duplicate Detection Enhancement** 🔍
+**Current State:**
+- Basic title comparison (fuzzy matching)
+- Year and season checking
+- Limited metadata comparison
+
+**Improvements Needed:**
+- Hash-based duplicate detection (MD5/SHA1)
+- File size comparison
+- MediaInfo fingerprinting
+- Cross-tracker duplicate checking
+- Duplicate resolution comparison
+- Smart upgrade detection (better quality exists)
+
+---
+
+### 3. **Music Category Support** 🎵
+**Current State:**
+- Music category defined in trackers
+- No dedicated MusicManager
+- No metadata extraction for audio files
+
+**Improvements Needed:**
+- MusicManager class
+- Audio metadata extraction (artist, album, year, genre)
+- Cover art extraction
+- Discography support
+- FLAC/MP3 quality detection
+- MusicBrainz API integration
+
+---
+
+### 4. **XXX Category Support** 🔞
+**Current State:**
+- Category defined but no special handling
+- No metadata extraction
+
+**Improvements Needed:**
+- Privacy-focused handling
+- Studio/performer metadata
+- Scene detection
+- Appropriate content warnings
+
+---
+
+### 5. **Upload Statistics & Reporting** 📊
+**Current State:**
+- No statistics tracking
+- No upload history
+- No success/failure metrics
+
+**Improvements Needed:**
+- Upload history database
+- Success rate tracking
+- Average upload time
+- Bandwidth usage
+- Most used trackers
+- Export reports (CSV, JSON)
+
+---
+
+### 6. **Enhanced Metadata Extraction** 📝
+**Current State:**
+- Basic MediaInfo for videos
+- PDF first page for documents
+- No extended metadata
+
+**Improvements Needed:**
+- HDR/Dolby Vision detection
+- Audio codec details (Atmos, DTS:X)
+- Subtitle languages and types
+- Video bitrate analysis
+- Quality score calculation
+- NFO file parsing for all categories
+
+---
+
+### 7. **Batch Processing Improvements** 🔄
+**Current State:**
+- Basic scan mode
+- No progress tracking
+- No pause/resume
+
+**Improvements Needed:**
+- Better progress indicators
+- Pause/resume capability
+- Skip problematic files
+- Dry-run mode (preview without upload)
+- Batch configuration profiles
+
+---
+
+### 8. **API Rate Limiting & Caching** ⚡
+**Current State:**
+- Basic cache for screenshots
+- No API rate limit handling
+- Cache size not managed
+
+**Improvements Needed:**
+- Smart API request throttling
+- Redis/memcached support
+- Cache size management
+- Cache expiration policies
+- API quota tracking
+
+---
+
+### 9. **Notification System** 📢
+**Current State:**
+- Console output only
+- No external notifications
+
+**Improvements Needed:**
+- Email notifications
+- Telegram bot integration
+- Discord webhooks
+- Pushover/Pushbullet support
+- Notify on upload complete/failed
+
+---
+
+### 10. **Quality Control & Validation** ✅
+**Current State:**
+- Basic file validation
+- No quality checks
+
+**Improvements Needed:**
+- Video integrity checking
+- Corrupted file detection
+- Resolution verification
+- Audio sync validation
+- NFO validation
+- Pre-upload checklist
+
+---
+
+### 11. **Web Interface (Optional)** 🌐
+**Current State:**
+- CLI only
+
+**Improvements Needed:**
+- Simple web dashboard
+- Upload queue visualization
+- Configuration editor
+- Statistics dashboard
+- Log viewer
+
+---
+
+### 12. **Enhanced Logging** 📋
+**Current State:**
+- Console output
+- Basic error logging
+
+**Improvements Needed:**
+- Rotating log files
+- Log levels (DEBUG, INFO, WARN, ERROR)
+- Structured logging (JSON)
+- Log search functionality
+- Error categorization
+
+---
+
+### 13. **Automation Features** 🤖
+**Current State:**
+- Watcher mode exists
+- Basic automation
+
+**Improvements Needed:**
+- Watch multiple directories
+- Auto-categorization by folder structure
+- Scheduled uploads
+- Post-processing scripts
+- Integration with download clients
+
+---
+
+### 14. **ITT Tracker Enhancements** 🇮🇹
+**Current State:**
+- Basic ITT support
+- Standard categories
+
+**Improvements Needed:**
+- ITT-specific metadata
+- Italian language handling
+- Regional content detection
+- Better edicola (magazine) support
+- Italian movie industry metadata
+
+---
+
+### 15. **Performance Optimizations** ⚡
+**Current State:**
+- Sequential processing
+- Single-threaded uploads
+
+**Improvements Needed:**
+- Parallel image uploads
+- Multi-threaded processing
+- Memory optimization for large files
+- Streaming processing for huge torrents
+- GPU acceleration for image processing
+
+---
+
+## Implementation Priority
+
+### High Priority (Essential):
+1. Image Upload Resilience
+2. Duplicate Detection Enhancement
+3. Upload Statistics & Reporting
+4. Enhanced Logging
+5. Quality Control & Validation
+
+### Medium Priority (Important):
+6. Music Category Support
+7. Enhanced Metadata Extraction
+8. Batch Processing Improvements
+9. API Rate Limiting & Caching
+10. Notification System
+
+### Low Priority (Nice to Have):
+11. XXX Category Support
+12. Web Interface
+13. Automation Features
+14. Performance Optimizations
+15. ITT Tracker Enhancements
+
+---
+
+## Quick Wins (Easy to Implement):
+- Better error messages
+- Upload retry with exponential backoff
+- Configuration validation
+- Basic statistics tracking
+- Log file rotation
+- Email notifications
+
+---
+
+## Technical Debt:
+- Add more type hints
+- Improve error handling consistency
+- Refactor large functions
+- Add integration tests
+- Document complex algorithms
+- API documentation (Sphinx)