from typing import Optional
from pydantic import BaseModel, ConfigDict


class LoginRequest(BaseModel):
    username: str
    password: str


class TokenResponse(BaseModel):
    access_token: str
    token_type: str = "bearer"
    user: "UserBrief"


class UserBrief(BaseModel):
    id: int
    username: str
    display_name: str
    role: str
    email: Optional[str] = None

    model_config = ConfigDict(from_attributes=True)