"""
认证相关 Schema

定义登录、令牌等数据结构。
"""

from typing import Annotated

from pydantic import Field

from app.schemas.base import BaseSchema


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

    username: Annotated[
        str,
        Field(
            min_length=1,
            description="用户名或邮箱",
            examples=["john_doe"],
        ),
    ]
    password: Annotated[
        str,
        Field(
            min_length=1,
            description="密码",
            examples=["SecurePass123"],
        ),
    ]


class TokenResponse(BaseSchema):
    """令牌响应"""

    access_token: str = Field(description="访问令牌")
    refresh_token: str = Field(description="刷新令牌")
    token_type: str = Field(default="Bearer", description="令牌类型")
    expires_in: int = Field(description="访问令牌过期时间（秒）")


class RefreshTokenRequest(BaseSchema):
    """刷新令牌请求"""

    refresh_token: Annotated[
        str,
        Field(
            min_length=1,
            description="刷新令牌",
        ),
    ]


class PasswordChangeRequest(BaseSchema):
    """修改密码请求"""

    current_password: Annotated[
        str,
        Field(
            min_length=1,
            description="当前密码",
        ),
    ]
    new_password: Annotated[
        str,
        Field(
            min_length=8,
            max_length=128,
            description="新密码",
        ),
    ]

    def model_post_init(self, __context) -> None:
        """验证新旧密码不同"""
        if self.current_password == self.new_password:
            raise ValueError("新密码不能与当前密码相同")


class PasswordResetRequest(BaseSchema):
    """密码重置请求（忘记密码）"""

    email: Annotated[
        str,
        Field(
            min_length=1,
            description="注册邮箱",
            examples=["user@example.com"],
        ),
    ]


class PasswordResetConfirm(BaseSchema):
    """密码重置确认"""

    token: Annotated[
        str,
        Field(
            min_length=1,
            description="重置令牌",
        ),
    ]
    new_password: Annotated[
        str,
        Field(
            min_length=8,
            max_length=128,
            description="新密码",
        ),
    ]