from abc import ABC, abstractmethod
from maze_model import Cell, Maze


class Command(ABC):

    @abstractmethod
    def execute(self) -> None:
        ...

    @abstractmethod
    def undo(self) -> None:
        ...


class Player:

    def __init__(self, start_cell: Cell):
        self.current_cell = start_cell

    def move_to(self, cell: Cell) -> None:
        self.current_cell = cell

    def __repr__(self):
        return f"Player@({self.current_cell.x},{self.current_cell.y})"


class MoveCommand(Command):

    def __init__(self, player: Player, target_cell: Cell, maze: Maze):
        self.player = player
        self.target_cell = target_cell
        self.maze = maze
        self.previous_cell = player.current_cell  # для undo

    def execute(self) -> None:
        self.previous_cell = self.player.current_cell
        if not self.target_cell.is_passable():
            print("Нельзя идти в стену!")
            return
        self.player.move_to(self.target_cell)

    def undo(self) -> None:
        self.player.move_to(self.previous_cell)
        print(f"Ход отменён. Игрок вернулся в ({self.previous_cell.x}, {self.previous_cell.y})")