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#
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from __future__ import annotations

from dataclasses import dataclass, field
from typing import List

from dataclasses_json import config, dataclass_json

from gravitino.rest.rest_message import RESTRequest
from gravitino.utils.precondition import Precondition


@dataclass_json
@dataclass
class RoleGrantRequest(RESTRequest):
    """Represents a request to grant roles."""

    _role_names: List[str] = field(
        default_factory=list, metadata=config(field_name="roleNames")
    )

    def __init__(self, role_names: List[str]):
        self._role_names = role_names

    def validate(self) -> None:
        Precondition.check_argument(
            self._role_names is not None and len(self._role_names) > 0,
            "roleNames cannot be null or empty",
        )
