from __future__ import annotations

from pydantic import BaseModel, Field, field_validator


class SetupRequest(BaseModel):
    username: str = Field(min_length=2, max_length=40)
    password: str = Field(min_length=10, max_length=128)
    bootstrap_token: str | None = Field(default=None, max_length=512)

    @field_validator("username")
    @classmethod
    def clean_username(cls, value: str) -> str:
        cleaned = value.strip()
        if not cleaned:
            raise ValueError("用户名不能为空")
        return cleaned


class LoginRequest(BaseModel):
    username: str = Field(min_length=1, max_length=40)
    password: str = Field(min_length=1, max_length=128)


class PasswordChangeRequest(BaseModel):
    current_password: str = Field(min_length=1, max_length=128)
    new_password: str = Field(min_length=10, max_length=128)