#Imports
import pygame, sys
from pygame.locals import *
import random, time

#Initialzing 
pygame.init()

#Setting up FPS 
FPS = 60
FramePerSec = pygame.time.Clock()

#Creating colors
BLUE  = (0, 0, 255)
RED   = (255, 0, 0)
GREEN = (0, 255, 0)
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
YELLOW = (255, 255, 0) #added a new color

#Other Variables for use in the program
SCREEN_WIDTH = 400
SCREEN_HEIGHT = 600
SPEED = 5
SCORE = 0
COINS = 0 #for counting coins

#Setting up Fonts
font = pygame.font.SysFont("Verdana", 60)
font_small = pygame.font.SysFont("Verdana", 20)
game_over = font.render("Game Over", True, BLACK)

background = pygame.image.load("AnimatedStreet.png")

#Create a white screen 
DISPLAYSURF = pygame.display.set_mode((400,600))
DISPLAYSURF.fill(WHITE)
pygame.display.set_caption("Game")

class Coin (): #создаю класс для coins
    def __init__(self):
        self.image = pygame.transform.scale(pygame.image.load("430_oooo.plus.png"), (40, 40))
        self.surf = pygame.Surface((40,40))
        #чтобы монеты появлялись полностью и не выходили за  пределы желтых границ:
        self.rect = self.surf.get_rect(center = (random.randint(100,SCREEN_WIDTH-100), random.randint(40, SCREEN_HEIGHT - 40)))

    def collision(self, Player):
        # if Player and a coin collide, returns true
        return pygame.Rect.colliderect(Player.rect, self.rect) 


class Enemy(pygame.sprite.Sprite):
      def __init__(self):
        super().__init__() 
        self.image = pygame.image.load("Enemy.png")
        self.surf = pygame.Surface((42, 70))
        self.rect = self.surf.get_rect(center = (random.randint(40,SCREEN_WIDTH-40), 0))
        self.speed = random.randint(1, 5)

      def move(self):
        global SCORE
        self.rect.move_ip(0, self.speed)
        if (self.rect.top > 600):
            SCORE += 1
            self.rect.top = 0
            self.rect.center = (random.randint(40, SCREEN_WIDTH - 40), 0)
            self.speed = random.randint(0, 5)

class Player(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__() 
        self.image = pygame.image.load("Player.png")
        self.surf = pygame.Surface((40, 75))
        self.rect = self.surf.get_rect(center = (160, 520))
       
    def move(self):
        pressed_keys = pygame.key.get_pressed()
        if pressed_keys[K_UP]:
            self.rect.move_ip(0, -5)
        if pressed_keys[K_DOWN]:
            self.rect.move_ip(0,5)
        
        if self.rect.left > 0:
              if pressed_keys[K_LEFT]:
                  self.rect.move_ip(-5, 0)
        if self.rect.right < SCREEN_WIDTH:        
              if pressed_keys[K_RIGHT]:
                  self.rect.move_ip(5, 0)
                  

#Setting up Sprites        
P1 = Player()
E1 = Enemy()
coin = Coin() #присваиваем coin значение (класс Coin())

#Creating Sprites Groups
enemies = pygame.sprite.Group()
enemies.add(E1)
all_sprites = pygame.sprite.Group()
all_sprites.add(P1)
all_sprites.add(E1)

#Game Loop
# pygame.mixer.Sound('background.wav').play(-1)
while True:
    # Cycles through all events occuring  
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()



    DISPLAYSURF.blit(background, (0,0))
    scores = font_small.render(str(SCORE), True, BLACK)
    DISPLAYSURF.blit(scores, (10,10))

    #Moves and Re-draws all Sprites
    for entity in all_sprites:
        DISPLAYSURF.blit(entity.image, entity.rect)
        entity.move()


    DISPLAYSURF.blit(coin.image, coin.rect)
    collected_coins = font_small.render(str(COINS), True, YELLOW)
    DISPLAYSURF.blit(collected_coins, (330, 10))
    if coin.collision(P1):
        COINS += 1
        coin.rect.center = (random.randint(100, SCREEN_WIDTH - 100), random.randint(50, SCREEN_HEIGHT - 50))

    #To be run if collision occurs between Player and Enemy
    # if pygame.sprite.spritecollideany(P1, enemies):
    #       pygame.mixer.Sound('crash.wav').play()
    #       time.sleep(1)
                   
    #       DISPLAYSURF.fill(RED)
    #       DISPLAYSURF.blit(game_over, (30,250))
          
    #       pygame.display.update()
    #       for entity in all_sprites:
    #             entity.kill() 
    #       time.sleep(2)
    #       pygame.quit()
    #       sys.exit()        
        
    pygame.display.update()
    FramePerSec.tick(FPS)