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#
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from __future__ import annotations

from dataclasses import dataclass, field
from typing import Optional

from dataclasses_json import config, dataclass_json

from gravitino.dto.authorization.role_dto import RoleDTO
from gravitino.dto.responses.base_response import BaseResponse
from gravitino.utils.precondition import Precondition


@dataclass_json
@dataclass
class RoleResponse(BaseResponse):
    """Represents a response for a role."""

    _role: Optional[RoleDTO] = field(default=None, metadata=config(field_name="role"))

    def role(self) -> Optional[RoleDTO]:
        return self._role

    def validate(self) -> None:
        Precondition.check_argument(
            self._role is not None, "Role response should have a role"
        )


@dataclass_json
@dataclass
class RoleNamesListResponse(BaseResponse):
    """Represents a response for a list of role names."""

    _names: list[str] = field(default_factory=list, metadata=config(field_name="names"))

    def names(self) -> list[str]:
        return self._names

    def validate(self) -> None:
        Precondition.check_argument(
            self._names is not None, "Role names list response should have names"
        )
