Convert to GUI-only application

- Remove all CLI/TUI functionality and command line arguments
- Update README to reflect GUI-only nature
- Simplify main() function to launch GUI directly
- Remove unused imports and display_stats function

README.md

@@ -1,117 +1,57 @@
 # slskd Transfer Statistics
 
-A tool to analyze upload and download statistics from your slskd transfers database with both command-line and GUI interfaces.
+A GUI tool to analyze upload and download statistics from your slskd transfers database.
 
 ## Features
 
 - Analyzes uploads and downloads stored in the transfers.db database(s)
 - Automatically finds and combines data from multiple database files
+- Backwards compatible with both old and new database formats
 - Calculates total transfers, data transferred, and unique users
 - Shows average transfer speed and duration
 - Lists top users by data transferred
 - Shows statistics by file type
-- Filter statistics by date range
-- Graphical user interface for easier analysis
-- Maintains full command-line functionality
+- Filter statistics by time period (All time, Last month, Last year)
+- User-friendly graphical interface with summary and detailed tables
 
 ## Requirements
 
 - Python 3.6+
 - SQLite3
-- PyQt5 (for GUI version)
+- PyQt5
 
 ## Installation
 
 1. Clone or download this repository to your local machine
-2. Ensure Python 3 is installed
-3. Place your `transfers.db` file in the same directory as the script, or specify database paths using the `--db` option
+2. Ensure Python 3 and PyQt5 are installed
+3. Place your `transfers.db` file in the same directory as the script, or use the file browser to select database files
 
 ## Usage
 
-### Command Line Interface
-
 ```bash
-# Basic usage (uses transfers.db in current directory)
-# Shows both upload and download stats by default
-./slskd_stats.py
-
-# Show only upload stats
-./slskd_stats.py --uploads
-
-# Show only download stats
-./slskd_stats.py --downloads
-
-# Explicitly show both upload and download stats (same as default)
-./slskd_stats.py --all
-
-# Specify single database file
-./slskd_stats.py --db /path/to/transfers.db
-
-# Specify multiple database files
-./slskd_stats.py --db /path/to/transfers.db --db /path/to/another-transfers.db
-
-# Only show transfers from the last 30 days
-./slskd_stats.py --days 30
-
-# Show top 15 entries in each category
-./slskd_stats.py --top 15
-
-# Combine options
-./slskd_stats.py --all --days 7 --top 20 --db /path/to/transfers.db
-```
-
-### GUI Interface
-
-```bash
-# Launch the GUI version
-./slskd_stats_gui.py
-
-# Launch GUI even when providing command line arguments
-./slskd_stats_gui.py --gui
+# Launch the GUI application
+python3 slskd_stats_gui.py
 ```
 
 With the GUI, you can:
 - Select one or more database files using the file browser
-- Choose to show upload stats, download stats, or both
-- Filter by time period (last X days)
+- Choose time period from dropdown (All time, Last month, Last year)
 - Set the number of top entries to display
-- View statistics in a user-friendly tabbed interface
+- View upload and download statistics side-by-side
+- See summary statistics and detailed tables for users and file types
 
 ## Example Output
 
-```
-=== UPLOAD STATISTICS ===
+The GUI displays:
+- **Summary sections** showing total transfers, data transferred, unique users, average speeds, and error rates
+- **Top Users tables** showing users ranked by data transferred
+- **Top File Types tables** showing file extensions ranked by data transferred
 
-Total Uploads: 8583
-Total Data Uploaded: 241.97 GB
-Unique Users: 650
-Average Upload Speed: 8.50 MB/s
-Average Upload Duration: 10.02 seconds
+## Database Compatibility
 
---- Top Users by Data Uploaded ---
-1. username1: 279 files, 18.01 GB
-2. username2: 494 files, 12.29 GB
-3. username3: 378 files, 11.05 GB
-...
-
---- Top File Types ---
-1. .flac: 8456 files, 241.00 GB
-2. .mp3: 105 files, 830.71 MB
-3. .m4a: 22 files, 165.58 MB
-
-=== DOWNLOAD STATISTICS ===
-
-Total Downloads: 357
-Total Data Downloaded: 10.94 GB
-Unique Users: 36
-Average Download Speed: 2.03 MB/s
-Average Download Duration: 26.21 seconds
-
---- Top Users by Data Downloaded ---
-1. username1: 6 files, 1.45 GB
-2. username2: 58 files, 1.33 GB
-...
-```
+This tool automatically detects and works with both:
+- **Old format**: Text-based `State` column
+- **New format**: Integer `State` + `StateDescription` columns
 
 ## About