import pendulum
from models import BookingFilter, Club
from pendulum import DateTime

from tests.fixtures import a_booking_filter


def retrieve_booking_datetime(
    a_booking_filter: BookingFilter, a_club: Club
) -> DateTime:
    """
    Utility to retrieve the booking datetime from the booking filter and the club

    :param a_booking_filter: the booking filter that contains the date to book
    :param a_club: the club which has the number of days before the date and the booking time
    """
    booking_opening = a_club.booking_platform.booking_opening
    opening_time = pendulum.parse(booking_opening.opening_time)
    booking_hour = opening_time.hour
    booking_minute = opening_time.minute

    date_to_book = a_booking_filter.date
    return date_to_book.subtract(days=booking_opening.days_before).at(
        booking_hour, booking_minute
    )