import pygame
import sys

class Crosshair(pygame.sprite.Sprite):
    def __init__(self, picture_path):
        super().__init__()
        self.image = pygame.image.load(picture_path).convert_alpha()  # Use convert_alpha() for transparency
        self.rect = self.image.get_rect()

    def update(self):
        """ Update crosshair position to follow the mouse """
        self.rect.center = pygame.mouse.get_pos()

    def shoot(self):
        """ Handle shooting action (currently just prints to console) """
        print("Bang!")

# General Setup
pygame.init()
clock = pygame.time.Clock()

# Game Screen
screen_width = 1920
screen_height = 1080
screen = pygame.display.set_mode((screen_width, screen_height))

# Load background image
background = pygame.image.load(r"W:\11\jayden.harris\pygame\PNG\Stall\bg_wood.png").convert()

# Hide default cursor
pygame.mouse.set_visible(True)

# Crosshair setup (fix: use Crosshair class)
crosshair = Crosshair(r"W:\11\jayden.harris\pygame\PNG\HUD\crosshair_blue_large.png")
crosshair_group = pygame.sprite.GroupSingle(crosshair)  # Fix: Now a Sprite object

# Calculate number of tiles needed to cover the screen
num_tiles_x = (screen_width // background.get_width()) + 1
num_tiles_y = (screen_height // background.get_height()) + 1

# Game Loop
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
        if event.type == pygame.MOUSEBUTTONDOWN:
            crosshair.shoot()  # Now it works because crosshair is a Sprite

    # Draw background tiles
    for y in range(num_tiles_y):
        for x in range(num_tiles_x):
            screen.blit(background, (x * background.get_width(), y * background.get_height()))

    # Update and draw crosshair
    crosshair_group.update()
    crosshair_group.draw(screen)

    pygame.display.flip()
    clock.tick(120)