from typing import Tuple


def _do_check_current_limit(
    current_ratio: float,
    current_limit: float,
) -> Tuple[int, str]:
    """Check if the current ratio exceeds the limit.

    :param current_ratio:
    :param current_limit:
    :return: _overstress, _reason
    :rtype: tuple
    """
    if current_ratio <= current_limit:
        return 0, ""

    return (
        1,
        f"Current ratio of {current_ratio} exceeds the allowable limit of "
        f"{current_limit}.\n",
    )