import pygame import random # Initialize pygame pygame.init

import pygame
import random

# Initialize pygame
pygame.init()

# Screen settings
WIDTH, HEIGHT = 600, 400
BLOCK_SIZE = 20
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Snake Game")

# Colors
WHITE = (255, 255, 255)
GREEN = (0, 200, 0)
RED = (200, 0, 0)
BLACK = (0, 0, 0)

# Clock
clock = pygame.time.Clock()
FPS = 10

# Font
font = pygame.font.SysFont(None, 30)


def draw_snake(snake):
    for block in snake:
        pygame.draw.rect(screen, GREEN, (*block, BLOCK_SIZE, BLOCK_SIZE))


def draw_food(food):
    pygame.draw.rect(screen, RED, (*food, BLOCK_SIZE, BLOCK_SIZE))


def show_score(score):
    text = font.render(f"Score: {score}", True, WHITE)
    screen.blit(text, [10, 10])


def game_loop():
    snake = [(100, 100)]
    direction = (BLOCK_SIZE, 0)

    food = (
        random.randrange(0, WIDTH, BLOCK_SIZE),
        random.randrange(0, HEIGHT, BLOCK_SIZE),
    )

    score = 0
    running = True

    while running:
        screen.fill(BLACK)

        # Events
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                running = False

            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    direction = (-BLOCK_SIZE, 0)
                elif event.key == pygame.K_RIGHT:
                    direction = (BLOCK_SIZE, 0)
                elif event.key == pygame.K_UP:
                    direction = (0, -BLOCK_SIZE)
                elif event.key == pygame.K_DOWN:
                    direction = (0, BLOCK_SIZE)

        # Move snake
        head_x = snake[0][0] + direction[0]