from fastapi import APIRouter, Depends
from pydantic import BaseModel

from backend.models.permission.constants import DefaultPermissionEnum
from backend.services.permission.permission_service import PermissionService
from common.token.token_manager import TokenManager

token_manager = TokenManager()
router = APIRouter()
permission_service = PermissionService()


class DeletePermissionRequest(BaseModel):
    permission_id: str


class DeletePermissionResponse(BaseModel):
    success: bool


@router.post(
    "/delete",
    response_model=DeletePermissionResponse,
    operation_id="delete-permission",
    summary="Delete Permission",
    description="Delete a permission after checking if it is referenced by any role."
)
async def delete_permission(
        req: DeletePermissionRequest,
        _: bool = Depends(token_manager.has_all_permissions([DefaultPermissionEnum.CHANGE_PERMISSIONS.value.permission_key]))
) -> DeletePermissionResponse:
    await permission_service.delete_permission(req.permission_id)
    return DeletePermissionResponse(success=True)