import argparse

FIRST_EVENT = 2015
LAST_EVENT = 2015

def main(day: int, event: int, test: bool = False) -> str:
    print("Called main...")
    return f"Day {day} of event {event} processing [Test: {test}]"


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description='Advent of Code Event 2015 Python solutions'
    )
    parser.add_argument("-t", "--test", action="store_true")
    parser.add_argument(
        "-d",
        "--day",
        type=int,
        choices=range(1, 26),
        help="Integer day number to solve for (1-25)."
    )
    parser.add_argument(
        "-e",
        "--event",
        type=int,
        choices=range(FIRST_EVENT, LAST_EVENT + 1)
    )
    args = parser.parse_args()

    print(main(day=args.day, event=args.event, test=args.test))