#!/usr/bin/env python
"""Django's command-line utility for administrative tasks."""
import os
import sys


def main():
    """Run administrative tasks."""
    # Determine which settings to use based on environment
    if os.environ.get('REPLIT_DEPLOYMENT'):
        # Replit deployment environment
        default_settings = 'django_project.settings.production'
    elif os.environ.get('DJANGO_SETTINGS_MODULE'):
        # Use explicitly set settings module
        default_settings = os.environ.get('DJANGO_SETTINGS_MODULE')
    elif os.environ.get('REPLIT_DOMAINS'):
        # Replit development environment
        default_settings = 'django_project.settings.development'
    else:
        # Production server (default to production settings)
        default_settings = 'django_project.settings.production'
    
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', default_settings)
    try:
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        raise ImportError(
            "Couldn't import Django. Are you sure it's installed and "
            "available on your PYTHONPATH environment variable? Did you "
            "forget to activate a virtual environment?"
        ) from exc
    execute_from_command_line(sys.argv)


if __name__ == '__main__':
    main()