from __future__ import annotations

import getpass
import sys

from .auth import hash_password


def main() -> None:
    if len(sys.argv) != 3 or sys.argv[2] not in ("reader", "admin"):
        print("usage: python -m studyhub.app.make_user <username> <reader|admin>")
        sys.exit(1)
    username, role = sys.argv[1], sys.argv[2]
    pw = getpass.getpass("password: ")
    salt_hex, hash_hex = hash_password(pw)
    print(f"{username}:{role}:{salt_hex}${hash_hex}")


if __name__ == "__main__":
    main()