import re


def create_schedule_file(input_filename: str, output_filename: str) -> None:
    """Create schedule file from the given input file."""
    dictionary_of_schedule_times = detect_schedule_time(get_list_from_file())
    # TODO sort dictionary keys to sorted list and make a table out of em, where first column are the entries of sorted list and second column are the subjects in the valid_dictionary[sorted_entries[i]]
    print(dictionary_of_schedule_times)


def create_schedule_string(input_string: str) -> str:
    """Create schedule string from the given input string."""
    pass


def get_list_from_file(filename: str) -> list:
    """
    Get the names of all registered competitors.

    :param filename: is the path to the file with the names of competitors.
    :return: a list containing the names of competitors.
    """
    competitors_list = []
    with open(filename, "r") as file:
        for person in file:
            competitors_list.append(person.strip())
    return competitors_list


def detect_schedule_time(input_data: list) -> dict:
    """
    Check if given list of strings contains schedule times.

    :param input_data: list
    :return: list
    """
    regex = r"(([0-1][0-9]|[2][0-4])|(?<![0-9])[0-9])\D(([0-5][0-9]|[0-9](?![0-9]))) +([a-zA-Z]+)"
    valid_dictionary = {}
    for line in input_data:
        matches = re.finditer(regex, line, re.MULTILINE)
        for match in matches:
            hour = match.group(1) or match.group(2)
            minute = match.group(3) or match.group(4)
            subject = match.group(5)
            valid_time = normalize(hour, minute)
            # TODO check if valid_dictionary already has key valid_time. if not. Add a new entry to valid_dictionary[valid_time] = [], where [] is a new list for all the time located on the same time
            # TODO append subject to a list located in valid_dictionary[valid_time]
    return valid_dictionary


def normalize(hour, minute):
    valid_time = ""
    if hour.startswith("0") and len(hour) > 1:
        hour = hour[1:]
    if len(minute) == 1:
        minute = "0" + minute
        print(hour, minute)

    # TODO construct valid time.

    return valid_time


# def create_am_and_pm(hour, minute)
#     kui tund on suurem kui 12, siis lahutada 12 ja lõppu panna PM. Muul juhul pane lõppu AM

if __name__ == '__main__':
    print(create_schedule_string("wat 11:00 teine tekst 11:0 jah ei 10:00 pikktekst "))
    create_schedule_file("schedule_input.txt", "schedule_output.txt")