import pygame
from pygame.math import Vector2
from gridElement import GridElement

#Klasa Waiter dziedziczy z klasy GridElement ale obiekt Waiter nie należy do listy grid
class Waiter(GridElement):

    def __init__(self, x, y, game):
        GridElement.__init__(self, x, y, game)
        self.image = pygame.image.load("./Images/waiter.png").convert()
        self.image.set_colorkey((0, 0, 0))
        self.type = "waiter"

    #Waiter może wejść tylko na pole które znajduje się na gridzie i ma atrybut type równy "path"
    #metoda move dodaje poprzednią pozycję waitera do listy waiterMovesHistory
    #aktualna pozycja waitara jest w obiekcie position typu Vector2 (dziedziczonym z GridElement)
    def move(self, game):
        keys = pygame.key.get_pressed()
        lastPosition = Vector2(self.position.x, self.position.y)

        if keys[pygame.K_LEFT]:
            if int(self.position.x) != 0:
                collisionObject = game.grid[int(self.position.y)][int(self.position.x) - 1]
                if collisionObject.type == "path":
                    self.position.x -= 1
                else:
                    pass
        if keys[pygame.K_RIGHT]:
            if int(self.position.x) != game.x - 1:
                collisionObject = game.grid[int(self.position.y)][int(self.position.x) + 1]
                if collisionObject.type == "path":
                    self.position.x += 1
                else:
                    pass
        if keys[pygame.K_UP]:
            if int(self.position.y) != 0:
                collisionObject = game.grid[int(self.position.y) - 1][int(self.position.x)]
                if collisionObject.type == "path":
                    self.position.y -= 1
                else:
                    pass
        if keys[pygame.K_DOWN]:
            if int(self.position.y) != game.y - 1:
                collisionObject = game.grid[int(self.position.y) + 1][int(self.position.x)]
                if collisionObject.type == "path":
                    self.position.y += 1
                else:
                    pass
        if keys[pygame.K_s]:
            game.showGrid(game.grid)
        if(lastPosition.x != self.position.x or lastPosition.y != self.position.y):
            game.waiterMovesHistory.append(lastPosition)
            print(game.waiterMovesHistory)