import argparse
import os
import sys
import gradio as gr
from utils import load_embeddings
from ui import create_demo, embeddings

def main():
    """Main entry point for the application"""
    parser = argparse.ArgumentParser(description='Run the Product Categorization web app')
    parser.add_argument('--embeddings', default='ingredient_embeddings_voyageai.pkl', 
                        help='Path to the ingredient embeddings pickle file')
    parser.add_argument('--share', action='store_true', help='Create a public link for sharing')
    
    args = parser.parse_args()
    
    # Check if embeddings file exists
    if not os.path.exists(args.embeddings):
        print(f"Error: Embeddings file {args.embeddings} not found!")
        print(f"Please ensure the file exists at {os.path.abspath(args.embeddings)}")
        sys.exit(1)
    
    # Load embeddings
    try:
        global embeddings
        embeddings_data = load_embeddings(args.embeddings)
        # Update the embeddings in the ui module
        import ui
        ui.embeddings = embeddings_data
    except Exception as e:
        print(f"Error loading embeddings: {e}")
        sys.exit(1)
    
    # Create and launch the interface
    demo = create_demo()
    
    # Register keyboard shortcuts for the interface
    demo.launch(
        share=args.share,
        # These are the keyboard shortcuts - use these options instead of custom JS
        show_api=False,
        # This sets the keyboard shortcuts at the Gradio level which is more reliable
        _js="""
        document.addEventListener('keydown', function(e) {
            if ((e.metaKey || e.ctrlKey) && e.key === 'Enter') {
                // Find visible buttons in the active tab
                const buttons = document.querySelectorAll('button.primary');
                buttons.forEach(button => {
                    // Check if the button is visible
                    const rect = button.getBoundingClientRect();
                    if (rect.width > 0 && rect.height > 0 && getComputedStyle(button).display !== 'none') {
                        // Click the first visible button
                        button.click();
                        e.preventDefault();
                        return;
                    }
                });
            }
        });
        """
    )

if __name__ == "__main__":
    main()