#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
ngSkinTools2 Launcher
Provides a simple interface to launch ngSkinTools2 from Maya shelf buttons
"""

import sys


def LaunchNgSkinTools():
    """
    Launch ngSkinTools2 main UI window
    
    This function handles two scenarios:
    1. If module alias exists (ngSkinTools2 -> rigging_tools.ngskintools2), use it
    2. If not, create the alias on-the-fly and then launch
    """
    try:
        # Check if module alias already exists
        if 'ngSkinTools2' not in sys.modules:
            # Create the alias on-the-fly
            try:
                import rigging_tools.ngskintools2
                sys.modules['ngSkinTools2'] = rigging_tools.ngskintools2
                print("Created ngSkinTools2 module alias")
            except ImportError as import_err:
                print(f"Error: Failed to import rigging_tools.ngskintools2 - {import_err}")
                print("Please ensure the ngskintools2 directory is in the correct location")
                return
        
        # Now import and launch
        from ngSkinTools2 import open_ui
        open_ui()
        print("ngSkinTools2 launched successfully")
        
    except ImportError as e:
        print(f"Error: Failed to import ngSkinTools2 - {e}")
        print("Please ensure ngSkinTools2 is properly installed")
    except Exception as e:
        print(f"Error: Failed to launch ngSkinTools2 - {e}")
        import traceback
        traceback.print_exc()