class Player:
    """
    Player agent for Escape the Maze.
    Moves one step at a time using the arrow keys.
    """

    name = "player"
    character = "🐧"   # Penguin icon

    def __init__(self, board_size):
        # Start near the top-left corner
        width, height = board_size
        self.position = (1, 1)

    def handle_keystroke(self, keystroke, game):
        """
        Called once for each key pressed since the last turn.
        Moves the player using the arrow keys.
        """
        x, y = self.position
        new_position = None

        if keystroke.name == "KEY_UP":
            new_position = (x, y - 1)
        elif keystroke.name == "KEY_DOWN":
            new_position = (x, y + 1)
        elif keystroke.name == "KEY_LEFT":
            new_position = (x - 1, y)
        elif keystroke.name == "KEY_RIGHT":
            new_position = (x + 1, y)


        if new_position is None:
            return


        if game.on_board(new_position) and game.is_empty(new_position):
            self.position = new_position