from pydantic import BaseModel
from typing import Optional
from datetime import datetime


class Permission(BaseModel):
    id:          int
    module:      str
    action:      str
    description: Optional[str]


class PermissionGroup(BaseModel):
    id:           int
    name:         str
    description:  Optional[str]
    is_superuser: bool
    created_at:   datetime


class PermissionGroupCreate(BaseModel):
    name:         str
    description:  Optional[str] = None
    is_superuser: bool = False


class GroupPermissionAssign(BaseModel):
    permission_ids: list[int]


class UserGroupAssign(BaseModel):
    user_id:  int
    group_id: int