"""认证相关数据模型"""

from datetime import datetime

from pydantic import BaseModel, Field


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

    username: str = Field(description="用户名")
    password: str = Field(description="明文密码")


class RegisterRequest(BaseModel):
    """注册请求"""

    username: str = Field(min_length=3, max_length=32, description="用户名（3-32 字符）")
    password: str = Field(min_length=6, max_length=128, description="密码（6-128 字符）")


class AuthUser(BaseModel):
    """对外暴露的用户信息（不含密码）"""

    username: str = Field(description="用户名")
    role: str = Field(default="user", description="角色：admin | user")
    created_at: datetime = Field(description="创建时间")


class StoredUser(AuthUser):
    """存储层用户：含密码哈希，仅内部使用，不对外暴露"""

    hashed_password: str = Field(description="bcrypt 密码哈希")


class TokenResponse(BaseModel):
    """登录成功返回的 token 信息"""

    access_token: str = Field(description="JWT access token")
    token_type: str = Field(default="bearer", description="token 类型")
    expires_in: int = Field(description="token 有效期（秒）")
    user: AuthUser = Field(description="登录用户信息")