"""Create a user with API token. Usage:
  python -m scripts.create_user testuser --display-name "Test User"
  python -m scripts.create_user guest --token my-custom-token-32chars-min
"""
from __future__ import annotations

import argparse
import sys

from app.db.base import SessionLocal, init_db
from app.auth.service import create_user


def main() -> int:
    parser = argparse.ArgumentParser(description="Create Home Assistant user")
    parser.add_argument("username", help="Unique username (lowercase)")
    parser.add_argument("--display-name", default="", help="Display name")
    parser.add_argument("--token", default="", help="Custom API token (auto-generated if empty)")
    args = parser.parse_args()

    init_db()
    db = SessionLocal()
    try:
        user, plain_token = create_user(
            db,
            username=args.username,
            display_name=args.display_name or args.username,
            api_token=args.token or None,
        )
    except ValueError as exc:
        print(f"Error: {exc}", file=sys.stderr)
        return 1
    finally:
        db.close()

    print(f"Created user id={user.id} username={user.username}")
    print(f"API token (save it, shown once):\n{plain_token}")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())