import sys, random
import pygame


class Jeu:
    # Contenir toute les  variable ainsi qaue les fonction utile pour le bon fonctionnement du jeu

    def __init__(self):

        self.ecran = pygame.display.set_mode((800, 600))

        pygame.display.set_caption('The Snake')
        self.jeu_encours = True

        self.serpent_position_x = 300
        self.serpent_position_y = 300
        self.serpent_direction_x = 0
        self.serpent_direction_y = 0
        self.serpent_corps = 10


    def fonction_principale(self):
        # Permet de gerer les evenement, d'afficher certain composant du jeu grace au while loop

        while self.jeu_encours:

            for evenement in pygame.event.get():
                if evenement.type == pygame.QUIT:
                    sys.exit()

                if evenement.type == pygame.KEYDOWN:

                    if evenement.key == pygame.K_RIGHT:
                        self.serpent_direction_x = 0.5
                        self.serpent_direction_y = 0

                    if evenement.key == pygame.K_LEFT:
                        self.serpent_direction_x = -0.5
                        self.serpent_direction_y = 0


                    if evenement.key == pygame.K_UP:
                        self.serpent_direction_x = 0
                        self.serpent_direction_y = -0.5


                    if evenement.key == pygame.K_DOWN:
                        self.serpent_direction_x = 0
                        self.serpent_direction_y = 0.5


           if self.serpent_position_x <= 100 or self.serpent_position_x >= 700 \
               or self.serpent_position_y <= 100 or self.serpent_position_y >= 600:

                   sys.exit()

            self.serpent_position_x += self.serpent_direction_x
            self.serpent_position_y += self.serpent_direction_y

            print(self.serpent_position_x,self.serpent_position_y)



            self.ecran.fill((0,0,0))

            self.creer_limites()

            pygame.draw.rect(self.ecran,(0,255,0),(self.serpent_position_x,self.serpent_position_y,self.serpent_corps,self.serpent_corps))

            pygame.display.flip()

    def creer_limites(self):

        pygame.draw.rect(self.ecran,(255,255,255),(100,100,600,500),3)


if __name__ == '__main__':

    pygame.init()
    Jeu().fonction_principale()
    pygame.quit()