import sys
import pygame
from pygame.locals import *

FPS = 30
WINWIDTH = 600
WINHEIGHT = 400

WHITE = (255, 255, 255)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
BLACK = (0, 0, 0)
GRAY = (120, 127, 121)
HELL_GRAY = (180, 191, 181)


class NPC:
    def __init__(self, x, y, dx, dy):
        self.x = x
        self.y = y
        self.dx = dx
        self.dy = dy
        self.bounces = 0
        self.rect = pygame.Rect(0, 0, 0, 0)

    def update(self, player):
        self.x += self.dx
        self.y += self.dy

        if self.rect.colliderect(player.rect):
            self.dy = -self.dy
            self.dx = -self.dx

        if self.y > 400 or self.y < 0:
            self.dy = -self.dy
            self.bounces += 1

        if self.x > 600 or self.x < 0:
            self.dx = -self.dx
            self.bounces += 1

        if self.bounces > 10:
            self.bounces = 0

    def draw(self, surface):
        self.rect = pygame.draw.rect(surface, (255, 0, 0), (self.x, self.y, 20, 20))


class Paddle:
    def __init__(self, x, y, speed, window):
        self.x = x
        self.y = y
        self.speed = speed
        self.window = window
        self.right = False
        self.left = False
        self.points = 0
        self.rect = pygame.Rect(0, 0, 0, 0)

    def draw(self, surface):
        self.rect = pygame.draw.rect(surface, (0, 0, 255), (self.x, self.y, 100, 20))

    def update(self):
        if self.right and self.x < self.window[0] - 100:
            self.x += self.speed

        elif self.left and self.x > 0:
            self.x -= self.speed

def main():
    pygame.init()
    FPSCLOCK = pygame.time.Clock()
    DISPLAYSURF = pygame.display.set_mode((WINWIDTH, WINHEIGHT))
    pygame.display.set_caption('Juego 1')

    BFONT = pygame.font.Font('freesansbold.ttf', 24)
    SFONT = pygame.font.Font('freesansbold.ttf', 12)

    npcs = [NPC(0, 0, 5, 10), NPC(20, 0, 5, 10), NPC(0, 20, 1, 10), NPC(190, 0, 8, 2)]
    player = Paddle(300, 380, 15, (WINWIDTH, WINHEIGHT))

    while True:
        DISPLAYSURF.fill(WHITE)

        player.update()
        player.draw(DISPLAYSURF)

        for npc in npcs:
            npc.draw(DISPLAYSURF)
            npc.update(player)

        pygame.draw.circle(DISPLAYSURF, (0, 0, 255), (50, 100), 50)

        for event in pygame.event.get():  # event handling loop
            if event.type == QUIT:
                terminate()
            elif event.type == KEYDOWN:
                if event.key == K_RIGHT:
                    player.right = True
                elif event.key == K_LEFT:
                    player.left = True
            elif event.type == KEYUP:
                if event.key == K_RIGHT:
                    player.right = False
                elif event.key == K_LEFT:
                    player.left = False

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


def terminate():
    pygame.quit()
    sys.exit()


if __name__ == '__main__':
    main()