import pygame, sys, random

class Crosshair(pygame.sprite.Sprite):
    def __init__(self, picture_path):
        super().__init__()
        self.image = pygame.image.load(picture_path)
        self.rect = self.image.get_rect()
        self.gunshot = pygame.mixer.Sound("old_deagle.wav")
    def shoot(self):
        self.gunshot.play()
        pygame.sprite.spritecollide(crosshair,target_group, True)
    def update(self):
        self.rect.center = pygame.mouse.get_pos()


class Target(pygame.sprite.Sprite):
    def __init__(self, picture_path, pos_x, pos_y):
        super().__init__()
        self.image = pygame.image.load(picture_path)
        self.rect = self.image.get_rect()
        self.rect.center = [pos_x,pos_y]


class GameState():
    def __init__(self):
        self.state = 'intro'

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

        pygame.display.flip()
        screen.blit(background,(0,0))
        screen.blit(ready_text, (screen_width/2 -115, screen_height/2 -33))
        crosshair_group.draw(screen)
        crosshair_group.update()



    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()

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

    def state_manager(self):
        if self.state == 'intro':
            self.intro()
        if self.state == 'main_game':
            self.main_game()

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

# Game Screen
screen_width = 1920
screen_height = 1080
screen = pygame.display.set_mode((screen_width, screen_height))
background = pygame.image.load("BG.png")
ready_text = pygame.image.load("ready.png")
pygame.mouse.set_visible(False)

# Crosshair
crosshair = Crosshair("crosshair.png")
crosshair_group = pygame.sprite.Group()
crosshair_group.add(crosshair)

# Target
target_group = pygame.sprite.Group()
for target in range(20):
    new_target = Target("target.png",random.randrange(0,screen_width), random.randrange(0,screen_height))
    target_group.add(new_target)



while True:
    game_state.state_manager()
    clock.tick(60)