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#
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from dataclasses import dataclass, field
from typing import Optional

from dataclasses_json import config

from gravitino.dto.authorization.owner_dto import OwnerDTO
from gravitino.dto.responses.base_response import BaseResponse
from gravitino.exceptions.base import IllegalArgumentException
from gravitino.utils.precondition import Precondition


@dataclass
class OwnerResponse(BaseResponse):
    """Represents a response for the get owner operation."""

    _owner: Optional[OwnerDTO] = field(
        default=None, metadata=config(field_name="owner")
    )

    def owner(self) -> Optional[OwnerDTO]:
        return self._owner

    def validate(self) -> None:
        super().validate()
        if self._owner is not None:
            Precondition.check_string_not_empty(
                self._owner.name(), "owner name must not be empty"
            )
            if self._owner.type() is None:
                raise IllegalArgumentException("owner type must not be None")
