import sys
import pygame
from pygame.sprite import Group
from settings import Settings
from alien import Alien
from ship import Ship
from game_stats import GameStats
from button import Button
from scoreboard import Scoreboard
from game_functions import *

def run_game():

    # Инициализирует игру и создает объект экрана.
    pygame.init()
    settings = Settings()
    screen = pygame.display.set_mode((settings.screen_width, settings.screen_height))
    pygame.display.set_caption("Alien Invasion")

    stats = GameStats(settings)

    ship = Ship(screen, settings)
    alien = Alien(settings, screen)
    scoreboard = Scoreboard(settings, screen, stats)

    play_button = Button(settings, screen, "Play")

    bullets = Group()

    aliens = Group()
    create_fleet(settings, screen, aliens, ship)

    # bg_color = (230, 230, 230)

    # Запуск основного цикла игры.
    while True:

        update_screen(settings, screen, stats, aliens, ship, bullets, play_button, scoreboard)
        # При каждом проходе цикла перерисовывается экран.

        if stats.game_active:
            ship.update()
            update_bullets(settings, screen, stats, bullets, aliens, ship, scoreboard)
            update_aliens(settings, screen, stats, bullets, ship, aliens)

        check_events(settings, screen, stats, ship, aliens, bullets, play_button, scoreboard)



run_game()