#!/usr/bin/env python3
"""
Summary of fixes applied for the PosixPath .lower() error in ECharts auto-save functionality.
"""

def show_fix_summary():
    print("🔧 POSIXPATH .lower() ERROR - FIXES APPLIED:")
    print("=" * 60)
    print()

    print("❌ ORIGINAL ERROR:")
    print("   'PosixPath' object has no attribute 'lower'")
    print("   Occurred during ECharts PNG auto-save in Semanscope-ECharts page")
    print()

    print("🕵️ ROOT CAUSE INVESTIGATION:")
    print("   1. ✅ Checked title_filename_helper.py - enhanced for robustness")
    print("   2. ✅ Found actual bug in plotting_echarts.py")
    print("   3. ✅ Lines 799 & 851: filename.lower() called on PosixPath object")
    print()

    print("🔧 FIXES APPLIED:")
    print()
    print("   File: /src/utils/title_filename_helper.py")
    print("   ├── Added: from pathlib import Path")
    print("   ├── Enhanced: _normalize_for_filename() to handle Path objects")
    print("   └── Enhanced: create_title_and_filename() parameter type hints")
    print()

    print("   File: /src/components/plotting_echarts.py")
    print("   ├── Line 799: filepath = echarts_dir / filename.lower()")
    print("   │              ↓")
    print("   │             filepath = echarts_dir / str(filename).lower()")
    print("   └── Line 851: (same fix applied)")
    print()

    print("✅ EXPECTED RESULTS AFTER FIX:")
    print("   • ECharts auto-save PNG should work without errors")
    print("   • Both string and Path objects handled correctly")
    print("   • JSON config files continue to save properly")
    print("   • No impact on visualization functionality")
    print()

    print("🧪 TEST RECOMMENDATION:")
    print("   1. Navigate to Semanscope-ECharts page")
    print("   2. Load ENU+KOR dataset and visualize")
    print("   3. Check for successful auto-save without PosixPath error")
    print("   4. Verify PNG file created in /data/images/echarts/")

if __name__ == "__main__":
    show_fix_summary()