"""
YouTube Monthly feed specific util functions.

Helper functions specific for the YouTube Monthly ingestion workflow.
"""

import calendar


def get_first_last_day(month_date):
    """Get the first and last day of a given month and year.

    Args:
        month_date (datetime): YYYY-MM-DD datetime object.

    Return:
        tuple(datetime, datetime): first day, last day
    """
    first_day = (month_date.replace(day=1))
    last_day = (month_date.replace(day=calendar.monthrange(
        month_date.year, month_date.month)[1]))
    return first_day, last_day