from typing import Union

from bson import ObjectId


class GuildNotFoundError(Exception):
    """Exception raised when guild does not exist in a database.

    ### Attributes:
        * id (`Union[int, ObjectId]`): Guild ID.
    """

    def __init__(self, id: Union[int, ObjectId]):
        self.id: Union[int, ObjectId] = id
        super().__init__(f"Could not find guild entry for {str(id)}.")

    def __str__(self):
        return f"Could not find guild entry for {str(self.id)}."


class GuildAlreadyExistsError(Exception):
    """Exception raised when guild already exists in a database.

    ### Attributes:
        * id (`Union[int, ObjectId]`): Guild ID.
    """

    def __init__(self, id: Union[int, ObjectId]):
        self.id: Union[int, ObjectId] = id
        super().__init__(f"There already is a database entry for {str(id)}.")

    def __str__(self):
        return f"There already is a database entry for {str(self.id)}."


class GuildChallengesEmptyError(Exception):
    """Exception raised when guild has no active challenges.

    ### Attributes:
        * id (`ObjectId`): Guild ID.
    """

    def __init__(self, id: ObjectId):
        self.id: ObjectId = id
        super().__init__(f"Guild {str(id)} has no active challenges.")

    def __str__(self):
        return f"Guild {str(self.id)} has no active challenges."