#!/usr/bin/env python3
"""
PunimTag GUI Starter
Simple script to demonstrate the system and guide next steps
"""

import os
import subprocess
import sys


def check_requirements():
    """Check if all requirements are met"""
    print("🔍 Checking requirements...")
    
    # Check if photos directory exists
    if not os.path.exists('photos'):
        print("❌ Photos directory not found")
        print("   Creating photos/ directory...")
        os.makedirs('photos', exist_ok=True)
        print("   ✅ Created photos/ directory")
    else:
        print("✅ Photos directory exists")
    
    # Check if database exists
    if os.path.exists('punimtag_simple.db'):
        print("✅ Database exists")
        
        # Get basic stats
        try:
            import sqlite3
            conn = sqlite3.connect('punimtag_simple.db')
            c = conn.cursor()
            
            c.execute("SELECT COUNT(*) FROM images")
            image_count = c.fetchone()[0]
            
            c.execute("SELECT COUNT(*) FROM faces")
            face_count = c.fetchone()[0]
            
            c.execute("SELECT COUNT(*) FROM faces WHERE person_id IS NULL")
            unidentified_count = c.fetchone()[0]
            
            conn.close()
            
            print(f"   📊 {image_count} images, {face_count} faces, {unidentified_count} unidentified")
            
            return image_count, face_count, unidentified_count
            
        except Exception as e:
            print(f"   ⚠️ Error reading database: {e}")
            return 0, 0, 0
    else:
        print("❌ Database not found")
        print("   Run 'python punimtag_simple.py' first to process images")
        return 0, 0, 0


def show_menu(image_count, face_count, unidentified_count):
    """Show main menu"""
    print("\n" + "="*60)
    print("🏷️  PUNIMTAG - NEXT STEPS")
    print("="*60)
    
    if image_count == 0:
        print("📝 GETTING STARTED:")
        print("   1. Add photos to the 'photos/' directory")
        print("   2. Run: python punimtag_simple.py")
        print("   3. Come back here for face identification")
        print("\n💡 TIP: Start with 10-20 photos for testing")
        return
    
    print(f"📊 CURRENT STATUS:")
    print(f"   Images processed: {image_count}")
    print(f"   Faces detected: {face_count}")
    print(f"   Unidentified faces: {unidentified_count}")
    
    print(f"\n🎯 AVAILABLE ACTIONS:")
    print(f"   1. Process more images")
    print(f"   2. Identify unknown faces (CLI)")
    print(f"   3. Manage database")
    print(f"   4. View statistics")
    if unidentified_count > 0:
        print(f"   5. Start simple web interface (coming soon)")
    print(f"   6. Exit")


def process_images():
    """Process images"""
    print("\n📷 Processing images...")
    try:
        result = subprocess.run([sys.executable, 'punimtag_simple.py'], 
                              capture_output=True, text=True)
        print(result.stdout)
        if result.stderr:
            print("Errors:", result.stderr)
    except Exception as e:
        print(f"Error: {e}")


def identify_faces():
    """Identify faces using CLI tool"""
    print("\n👥 Starting face identification...")
    try:
        subprocess.run([sys.executable, 'interactive_identifier.py'])
    except Exception as e:
        print(f"Error: {e}")


def manage_database():
    """Manage database"""
    print("\n🗄️ Starting database manager...")
    try:
        subprocess.run([sys.executable, 'db_manager.py'])
    except Exception as e:
        print(f"Error: {e}")


def show_statistics():
    """Show detailed statistics"""
    print("\n📊 DETAILED STATISTICS")
    print("="*40)
    
    try:
        from db_manager import DatabaseManager
        manager = DatabaseManager('punimtag_simple.db')
        manager.inspect_database()
    except Exception as e:
        print(f"Error: {e}")


def show_next_gui_steps():
    """Show what's coming next for GUI development"""
    print("\n🚀 NEXT GUI DEVELOPMENT STEPS")
    print("="*50)
    print("We have a working backend! Next steps for GUI:")
    print()
    print("✅ COMPLETED:")
    print("  • Face recognition and clustering")
    print("  • Database management")
    print("  • Jewish organization features")
    print("  • Search functionality")
    print("  • CLI tools for identification")
    print()
    print("🔄 IN PROGRESS:")
    print("  • Web-based GUI with Flask")
    print("  • Face clustering visualization")
    print("  • Interactive face identification")
    print()
    print("📋 PLANNED:")
    print("  • Advanced search interface")
    print("  • Tag management GUI")
    print("  • Statistics dashboard")
    print("  • Photo gallery with face highlights")
    print()
    print("💡 TO TEST THE WEB GUI:")
    print("  1. Make sure you have processed some images")
    print("  2. Run: python web_gui.py (when ready)")
    print("  3. Open http://localhost:5000 in browser")


def main():
    """Main function"""
    print("🏷️  PunimTag GUI Starter")
    print("Welcome to the face recognition and photo tagging system!")
    
    # Check requirements
    image_count, face_count, unidentified_count = check_requirements()
    
    while True:
        show_menu(image_count, face_count, unidentified_count)
        
        try:
            choice = input(f"\n➤ Select option: ").strip()
            
            if choice == '1':
                process_images()
                # Refresh stats
                image_count, face_count, unidentified_count = check_requirements()
                
            elif choice == '2':
                if face_count == 0:
                    print("❌ No faces to identify. Process images first.")
                else:
                    identify_faces()
                    # Refresh stats
                    image_count, face_count, unidentified_count = check_requirements()
                    
            elif choice == '3':
                manage_database()
                # Refresh stats
                image_count, face_count, unidentified_count = check_requirements()
                
            elif choice == '4':
                show_statistics()
                
            elif choice == '5':
                if unidentified_count > 0:
                    print("🌐 Web interface is in development!")
                    print("For now, use option 2 for CLI identification.")
                else:
                    print("✅ All faces are identified!")
                    
            elif choice == '6':
                break
                
            else:
                print("❌ Invalid option")
                
            input("\nPress Enter to continue...")
            
        except KeyboardInterrupt:
            print("\n\n👋 Goodbye!")
            break
        except Exception as e:
            print(f"Error: {e}")
            input("Press Enter to continue...")
    
    print("\n🎉 Thank you for using PunimTag!")
    show_next_gui_steps()


if __name__ == "__main__":
    main()