from dataclasses import asdict, dataclass
from typing import Optional, Union


@dataclass
class PycordGuildRoles:
    __slots__ = (
        "moderator",
        "verified",
        "failed",
        "additional",
    )

    moderator: Union[int, None]
    verified: Union[int, None]
    failed: Union[int, None]
    additional: Union[int, None]

    def __init__(
        self,
        moderator: Optional[int] = None,
        verified: Optional[int] = None,
        failed: Optional[int] = None,
        additional: Optional[int] = None,
    ) -> None:
        self.moderator = moderator
        self.verified = verified
        self.failed = failed
        self.additional = additional

    def dict(self):
        return {key: value for key, value in asdict(self).items()}

    def is_valid(self) -> bool:
        """Check if all attributes are not `None` and return boolean of that.

        ### Returns:
            * `bool`: `True` if all attributes are there and `False` if not
        """
        return bool(
            self.moderator and self.verified and self.failed and self.additional
        )