import time
import random
import keyboard
from lorem_text import lorem

def countdown():
    for i in range(3, 0, -1):
        print(i, end='... ')
        time.sleep(1)
    print("Начали!")
    print()

def generate_random_text():
    word_count = random.randint(5, 15)
    random_text = lorem.words(wordcount=word_count)
    return random_text

def get_user_input():
    user_input = input("Введите текст: ")
    return user_input

def calculate_stats(start_time, end_time, input_text, random_text):
    elapsed_time = end_time - start_time
    words_typed = len(input_text.split())
    accuracy = calculate_accuracy(input_text, random_text)
    typing_speed = words_typed / elapsed_time

    print()
    print("Статистика:")
    print("Время выполнения:", round(elapsed_time, 2), "сек.")
    print("Скорость печати:", round(typing_speed, 2), "слов/сек.")
    print("Точность:", round(accuracy, 2))

def calculate_accuracy(input_text, random_text):
    error_count = 0
    input_words = input_text.split()
    random_words = random_text.split()

    for i in range(len(input_words)):
        if input_words[i] != random_words[i]:
            error_count += 1
    
    accuracy = (len(input_words) - error_count) / len(input_words) * 100
    return accuracy

def display_error_message():
    print("Ошибка! Введенный текст содержит опечатки.")

def replay_program():
    replay = input("Хотите начать заново? (Да/Нет): ")
    if replay.lower() == 'да':
        return True
    else:
        return False

def main():
    while True:
        countdown()
        random_text = generate_random_text()
        print(random_text)
        start_time = time.time()
        input_text = get_user_input()
        end_time = time.time()

        if input_text == random_text:
            calculate_stats(start_time, end_time, input_text, random_text)
        else:
            display_error_message()

        if not replay_program():
            break

if __name__ == '__main__':
    main()