import pygame, sys, random

# Initialize Pygame
pygame.init()
clock = pygame.time.Clock()

# Game Screen
screen_width = 1280
screen_height = 960
screen = pygame.display.set_mode((screen_width, screen_height))

# Load and scale background
background = pygame.image.load("Images/background.png").convert()
background = pygame.transform.scale(background, (screen_width, screen_height))
pygame.mouse.set_visible(False)

# Crosshair Sprite
class Crosshair(pygame.sprite.Sprite):
    def __init__(self, picture_path):
        super().__init__()
        self.image = pygame.image.load(picture_path).convert_alpha()
        self.image = pygame.transform.scale(self.image, (40, 40))
        self.rect = self.image.get_rect()
        self.gunshot = pygame.mixer.Sound("Audio/gun.mp3")

    def shoot(self):
        self.gunshot.play()
        for target in target_group:
            if self.rect.colliderect(target.rect):
                target.kill()

    def update(self):
        self.rect.center = pygame.mouse.get_pos()

# Target Sprite
class Target(pygame.sprite.Sprite):
    def __init__(self, picture_path, pos_x, pos_y):
        super().__init__()
        self.image = pygame.image.load(picture_path).convert_alpha()
        self.image = pygame.transform.scale(self.image, (80, 80))
        self.rect = self.image.get_rect(center=(pos_x, pos_y))

# Game State
class GameState():
    def __init__(self):
        self.state = 'main_game'

    def intro(self):
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit()
            
                

        screen.blit(background, (0, 0))
        crosshair_group.draw(screen)
        crosshair_group.update()

        pygame.display.flip()        

    def main_game(self):
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                sys.exit()
            if event.type == pygame.MOUSEBUTTONDOWN:
                crosshair.shoot()

        screen.blit(background, (0, 0))
        target_group.draw(screen)
        crosshair_group.draw(screen)
        crosshair_group.update()
        pygame.display.flip()

# Sprites and Groups
crosshair = Crosshair("Images/crosshair.png")
crosshair_group = pygame.sprite.GroupSingle(crosshair)c

target_group = pygame.sprite.Group()
for _ in range(20):
    x = random.randint(50, screen_width - 50)
    y = random.randint(50, screen_height - 50)
    target = Target("Images/target.png", x, y)
    target_group.add(target)

game_state = GameState()

# Game Loop
while True:
    game_state.intro()
    clock.tick(60)