import tkinter as tk
import time
from argparse import ArgumentParser
from logging import getLogger
from tkinter import messagebox

import schedule


logger = getLogger(__name__)


def _init_parser() -> ArgumentParser:
    parser = ArgumentParser()
    parser.add_argument("hour", help="An hour for an alarm clock", type=int)
    parser.add_argument("minute", help="An minute for an alarm clock", type=int)
    return parser


def _init_messagebox(hour: int, minute: int):
    root = tk.Tk()
    root.withdraw()
    messagebox.showwarning("Alarm Clock!", f"Ding Dong! Time is {hour}:{minute}")
    return schedule.CancelJob


def main():
    parser = _init_parser()
    args = parser.parse_args()
    if not 0 <= args.hour <= 24:
        return logger.error("Hour must be between 0 and 24 value")
    if not 0 <= args.minute <= 60:
        return logger.error("Minute must be between 0 and 60 value")

    (schedule
     .every()
     .day
     .at(f"{args.hour}:{args.minute}")
     .do(_init_messagebox, hour=args.hour, minute=args.minute))

    while True:
        schedule.run_pending()
        time.sleep(1)


if __name__ == '__main__':
    main()