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   "source": [
    "from typing import Optional\n",
    "from commandsCommand import Command\n",
    "from commandsPlayer import Player\n",
    "from modelsMaze import Maze\n",
    "from modelsCell import Cell\n",
    "\n",
    "class MoveCommand(Command):\n",
    "    \"\"\"Команда перемещения игрока.\"\"\"\n",
    "    \n",
    "    # Направления\n",
    "    DIRECTIONS = {\n",
    "        'w': (0, -1),   # вверх\n",
    "        's': (0, 1),    # вниз\n",
    "        'a': (-1, 0),   # влево\n",
    "        'd': (1, 0),    # вправо\n",
    "    }\n",
    "    \n",
    "    def __init__(self, player: Player, maze: Maze, direction: str):\n",
    "        self.player = player\n",
    "        self.maze = maze\n",
    "        self.direction = direction.lower()\n",
    "        self._target_cell: Optional[Cell] = None\n",
    "        self._executed = False\n",
    "    \n",
    "    def execute(self) -> bool:\n",
    "        \"\"\"Выполнить перемещение.\"\"\"\n",
    "        if self.direction not in self.DIRECTIONS:\n",
    "            return False\n",
    "        \n",
    "        dx, dy = self.DIRECTIONS[self.direction]\n",
    "        x = self.player.current_cell.x + dx\n",
    "        y = self.player.current_cell.y + dy\n",
    "        \n",
    "        self._target_cell = self.maze.get_cell(x, y)\n",
    "        \n",
    "        if self._target_cell and self._target_cell.is_passable():\n",
    "            self.player.move_to(self._target_cell)\n",
    "            self._executed = True\n",
    "            return True\n",
    "        \n",
    "        return False\n",
    "    \n",
    "    def undo(self) -> bool:\n",
    "        \"\"\"Отменить перемещение.\"\"\"\n",
    "        if self._executed:\n",
    "            success = self.player.undo_move()\n",
    "            if success:\n",
    "                self._executed = False\n",
    "                return True\n",
    "        return False"
   ]
  }
 ],
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