"""Create schedule from the given file."""
import re


def get_table_size(table):
    sizes = []
    for i in table:
        sizes.append(len(i))
    x = max(sizes) + 1
    return x, sizes


def create_table(dict1, keys):
    table = []
    new_keys = []
    for i in keys:
        if i not in new_keys:
            new_keys.append(i)
    for i in range(len(new_keys)):
        table.append(new_keys[i] + " |")
        for j in dict1[new_keys[i]][0][:-1]:
            table[i] += " " + j + ","
        table[i] += " " + dict1[new_keys[i]][0][-1]
    return table


def get_hour_min(keys,):

    new_keys = []
    for i in keys:
        if i == "0 AM":
            new_keys.append("12:00")
        else:
            minutes = int(int(i[:3]) % 60)
            hours = int((int(i[:3]) - minutes) / 60)
            if hours == 0:
                hours = 12
            if minutes < 10:
                new_keys.append(str(hours) + ":" + "0" + str(minutes))
            else:
                new_keys.append(str(hours) + ":" + str(minutes))
    for i in range(len(keys)):
        if keys[i][-2:] == "AM":
            new_keys[i] += "AM"
        else:
            new_keys[i] += "PM"
    return new_keys


def normalize_times(keys, values):
    new_keys = []
    new_keys2 = []
    new_keys3 = []
    for i in range(len(keys)):
        for j in keys[i]:
            if not j.isdigit():
                x = keys[i].replace(j, ":")
                keys.insert(i, x)
                del keys[i + 1]
    for i in keys:
        if i[-2] == ":":
            new_keys.append(i[:-1] + "0" + i[-1])
        else:
            new_keys.append(i)
    for i in new_keys:
        if len(i) != 5:
            new_keys2.append("0" + i)
        else:
            new_keys2.append(i)
    for i in new_keys2:
        x, y = i.split(":")
        new_keys3.append(int(x) * 60 + int(y))
    return new_keys3


def normalize_keys2(new_keys3):
    new_keys4 = []
    new_keys3.sort()
    for i in new_keys3:
        if i > (12 * 60):
            new_keys4.append(str(i - (12 * 60)) + " PM")
        else:
            new_keys4.append(str(i) + " AM")
    return new_keys4


def create_dict(keys, values):
    dict1 = {}
    for i in range(len(keys)):
        dict1[keys[i]] = []
    for i in range(len(keys)):
        dict1[keys[i]].append(values[i])
    return dict1


def read_from_file(input_filename):
    """Read the file."""
    file_object = open(input_filename, 'r')  # Avame faili lugemiseks
    results = file_object.readlines()
    keys1 = ""
    for i in range(len(results) - 1):
        keys1 += (results[i][:-1])
    keys1 += (results[-1])
    return keys1


def create_schedule_file(input_filename: str, output_filename: str) -> None:
    """Create schedule file from the given input file."""
    string = create_schedule_string(read_from_file(input_filename))
    with open(output_filename, 'w', newline='') as file:
        file.write(string)


def create_schedule_string(input_string: str) -> str:
    """Create schedule string from the given input string."""
    results = ""
    values = []
    new_values = []
    regex = r"(( |^)[0-9]{1,2}(\D)[0-9]{1,2}( )+[a-zA-Z]+)"
    matches = re.finditer(regex, input_string, re.MULTILINE | re.UNICODE)
    for i in matches:
        if i.group(1) not in results:
            results += i.group(1)
    if len(results) == 0:
        return "------------------\n|  time | items  |\n------------------\n| No items found |\n------------------"
    regex = r"((( )+[a-zA-Z]+))"
    matches = re.finditer(regex, results, re.MULTILINE | re.UNICODE)
    for i in matches:
        values.append(i.group(1)[1:])
    keys = []
    regex = r"(( |^)[0-9]{1,2}(\D)[0-9]{1,2})"
    matches = re.finditer(regex, results, re.MULTILINE | re.UNICODE)
    for i in matches:
        keys.append(i.group(1)[1:])
    keys1 = normalize_times(keys, values)
    dict1 = create_dict(keys1, values)
    keys1.sort()
    for i in keys1:
        new_values.append(dict1[i])
    dict2 = create_dict(get_hour_min(normalize_keys2(keys1)), new_values)
    table = create_table(dict2, get_hour_min(normalize_keys2(keys1)))
    final = ""
    x, sizes = get_table_size(table)
    start_end = "-" * (x + 4)
    final += start_end + "\n"
    final += "|" + " " * 4 + "time" + " |" + " items" + " " * (x - 14) + "|\n"
    final += start_end + "\n"
    for i in range(len(table)):
        if table[i][1] == ":":
            final += "|  " + table[i].lower() + " " * (x - 1 - sizes[i]) + " |\n"
        else:
            final += "| " + table[i].lower() + " " * (x - sizes[i]) + " |\n"
    final += start_end
    return final


if __name__ == '__main__':
    print(create_schedule_string(""))
    create_schedule_file("schedule_input.txt", "schedule_output.txt")