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

#Initialzing
pygame.init()

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

# Predefined some colors
BLUE  = (0, 0, 255)
RED   = (255, 0, 0)
GREEN = (0, 255, 0)
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)

# Constants for the program
SCREEN_WIDTH = 400
SCREEN_HEIGHT = 600
SPEED = 5
SCORE = 0
final_score = 0

#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("CarRace/assets/AnimatedStreet.png")


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


class Enemy(pygame.sprite.Sprite):
      def __init__(self):
        super().__init__() 
        self.image = pygame.image.load("CarRace/assets/Enemy.png")
        self.rect = self.image.get_rect()
        self.rect.center=(random.randint(40,SCREEN_WIDTH-40),0) 

      def move(self):
        self.rect.move_ip(0, SPEED)
        if (self.rect.bottom > 600):
            global SCORE
            SCORE += 1
            self.rect.top = 0
            self.rect.center = (random.randint(30, 370), 0)

class Player(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__() 
        self.image = pygame.image.load("CarRace/assets/Player.png")
        self.rect = self.image.get_rect()
        self.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()

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

#Adding new user event
INC_SPEED = pygame.USEREVENT + 1
pygame.time.set_timer(INC_SPEED, 1000)

#Game Loop
while True:

    #Cycles through all events occuring
    for event in pygame.event.get():
        if event.type == INC_SPEED:
            SPEED += 0.5

        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()

    #To be run if there is a collision
    if pygame.sprite.spritecollideany(P1, enemies):
        pygame.mixer.Sound("assets/crash.wav").play()
        time.sleep(0.5)

        DISPLAYSURF.fill(RED)
        DISPLAYSURF.blit(game_over, (30, 250))
        final_score = font_small.render("Final Score " + str(SCORE), True, BLACK)
        DISPLAYSURF.blit(final_score, (140,400))

        pygame.display.update()
        for entity in all_sprites:
            entity.kill()
        time.sleep(2)
        pygame.quit()
        sys.exit()
   

    pygame.display.update()
    FramePerSec.tick(FPS)