"""
CLI: create or update a DiffLens user.

Usage:
  python3 create_user.py <username> <password>
"""
import sys
from auth import create_user

if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("Usage: python3 create_user.py <username> <password>")
        sys.exit(1)
    username, password = sys.argv[1], sys.argv[2]
    create_user(username, password)
    print(f"User '{username}' created/updated.")