import sys
from django.apps import AppConfig

class UsersConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'users'

    def ready(self):
        # Only run this logic when Django is ready and not during migrations/tests
        if 'test' in sys.argv or 'migrate' in sys.argv or 'makemigrations' in sys.argv:
            return

        # Only run when the server is actually starting
        if 'runserver' in sys.argv:
            try:
                # Import here to avoid issues during Django startup
                from django.contrib.auth.models import User
                from decouple import config
                from django.db import transaction
                
                # Check if any users exist
                if not User.objects.exists():
                    # Get credentials from environment variables or use defaults
                    username = config('ADMIN_USERNAME', default='admin')
                    password = config('ADMIN_PASSWORD', default='admin123')
                    email = config('ADMIN_EMAIL', default='admin@boulangerie.fr')
                    
                    # Create the admin user
                    with transaction.atomic():
                        user = User.objects.create_superuser(
                            username=username,
                            email=email,
                            password=password
                        )
                        
                    print(f'Successfully created admin user "{username}"')
            except Exception as e:
                # Don't fail the entire Django startup if there's an error
                print(f'Error creating admin user: {e}')