import pygame
import random

pygame.init()

SCREEN_WIDTH = 600
SCREEN_HEIGHT = 400
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption("Coin Collector")

clock = pygame.time.Clock()

WHITE = (255, 255, 255)
BLUE  = (50, 100, 200)
GOLD  = (220, 180, 0)
BLACK = (0, 0, 0)

font = pygame.font.SysFont("arial", 24)

player = pygame.Rect(100, 100, 30, 30)
player_speed = 4

def new_coin_position():
    x = random.randint(20, SCREEN_WIDTH - 20)
    y = random.randint(20, SCREEN_HEIGHT - 20)
    return x, y

coin_x, coin_y = new_coin_position()
coin_radius = 10

score = 0

running = True
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT]:
        player.x -= player_speed
    if keys[pygame.K_RIGHT]:
        player.x += player_speed
    if keys[pygame.K_UP]:
        player.y -= player_speed
    if keys[pygame.K_DOWN]:
        player.y += player_speed

    # Keep player inside the screen
    player.x = max(0, min(player.x, SCREEN_WIDTH - player.width))
    player.y = max(0, min(player.y, SCREEN_HEIGHT - player.height))

    # Check collection
    if player.collidepoint(coin_x, coin_y):
        score += 1
        coin_x, coin_y = new_coin_position()

    screen.fill(WHITE)

    pygame.draw.circle(screen, GOLD, (coin_x, coin_y), coin_radius)
    pygame.draw.rect(screen, BLUE, player)

    score_text = font.render("Score: " + str(score), True, BLACK)
    screen.blit(score_text, (10, 10))

    pygame.display.flip()
    clock.tick(60)

pygame.quit()