import definitions


class Cart:
    def __init__(self, direction, x, y):
        self.direction = direction  # w którą stronę patrzy, zgodnie ze wskazówkami zegara (1 -: godzina 12, 2 : godzina 3, 3 : godzina 6, 4 : godzina 9)
        self.x = x
        self.y = y

    def get_direction(self):
        return self.direction

    def set_direction(self, direction):
        self.direction = direction

    def get_x(self):
        return self.x

    def set_x(self, x):
        self.x = x

    def get_y(self):
        return self.y

    def set_y(self, y):
        self.y = y

    def is_move_allowed(self, cart_rect):  # sprawdza czy dany ruch, który chce wykonać wózek jest możliwy, zwraca prawdę lub fałsz
        if self.direction == definitions.CART_DIRECTION_EAST and cart_rect.x + definitions.BLOCK_SIZE < definitions.WIDTH_MAP:
            return True
        elif self.direction == definitions.CART_DIRECTION_SOUTH and cart_rect.y - definitions.BLOCK_SIZE > 0:
            return True
        elif self.direction == definitions.CART_DIRECTION_NORTH and cart_rect.y + definitions.BLOCK_SIZE < definitions.HEIGHT_MAP:
            return True
        elif self.direction == definitions.CART_DIRECTION_WEST and cart_rect.x - definitions.BLOCK_SIZE > 0:
            return True
        else:
            return False

    @staticmethod
    def is_move_allowed_succ(
            node):  # sprawdza czy dany ruch, który chce wykonać wózek jest możliwy, zwraca pozycje po wykonaniu ruchu, wersja node
        if node.get_direction() == definitions.CART_DIRECTION_EAST and node.get_x() * definitions.BLOCK_SIZE + definitions.BLOCK_SIZE < definitions.WIDTH_MAP:
            return "x + 1"
        elif node.get_direction() == definitions.CART_DIRECTION_NORTH and node.get_y() * definitions.BLOCK_SIZE - definitions.BLOCK_SIZE > 0:
            return "y - 1"
        elif node.get_direction() == definitions.CART_DIRECTION_SOUTH and node.get_y() * definitions.BLOCK_SIZE + definitions.BLOCK_SIZE < definitions.HEIGHT_MAP:
            return "y + 1"
        elif node.get_direction() == definitions.CART_DIRECTION_WEST and node.get_x() * definitions.BLOCK_SIZE - definitions.BLOCK_SIZE > 0:
            return "x - 1"
        else:
            return False

    def move(self):
        if self.direction == definitions.CART_DIRECTION_EAST:
            self.x = self.x + definitions.BLOCK_SIZE
        elif self.direction == definitions.CART_DIRECTION_NORTH:
            self.y = self.y + definitions.BLOCK_SIZE
        elif self.direction == definitions.CART_DIRECTION_SOUTH:
            self.y = self.y - definitions.BLOCK_SIZE
        elif self.direction == definitions.CART_DIRECTION_WEST:
            self.x = self.x - definitions.BLOCK_SIZE

    def rotate_right(self):
        if self.direction == 1:
            self.direction = 4
        else:
            self.direction = self.direction - 1

    def rotate_left(self):
        if self.direction == 4:
            self.direction = 1
        else:
            self.direction = self.direction + 1