"""
认证相关 Pydantic 模型。

- LoginRequest：登录请求体
- TokenResponse：令牌响应体
- RefreshRequest：刷新令牌请求体
"""

from pydantic import BaseModel, Field


class LoginRequest(BaseModel):
    """登录请求。"""

    username: str = Field(..., min_length=1, max_length=64, description="用户名")
    password: str = Field(..., min_length=1, description="密码")


class RefreshRequest(BaseModel):
    """刷新令牌请求。"""

    refresh_token: str = Field(..., min_length=1, description="刷新令牌")


class TokenResponse(BaseModel):
    """令牌响应。"""

    access_token: str
    refresh_token: str
    token_type: str = "bearer"