import typing


class Snake:

    SNAKES: typing.Dict[str, typing.Type["Snake"]] = {}
    name = "snake"

    def __init_subclass__(cls) -> None:
        cls.SNAKES[cls.name] = cls

    def info(self) -> typing.Dict:
        '''info is called when you create your Battlesnake on play.battlesnake.com
        and controls your Battlesnake's appearance

        TIP: If you open your Battlesnake URL in a browser you should see this data
        '''
        raise NotImplementedError()

    def start(self, game_state: typing.Dict) -> None:
        '''start is called when your Battlesnake begins a game'''
        raise NotImplementedError()

    def end(self, game_state: typing.Dict) -> None:
        '''end is called when your Battlesnake finishes a game'''
        raise NotImplementedError()

    def move(self, game_state: typing.Dict) -> typing.Dict:
        '''move is called on every turn and returns your next move
        Valid moves are "up", "down", "left", or "right"
        See https://docs.battlesnake.com/api/example-move for available data
        '''
        raise NotImplementedError()