from pydantic import BaseModel, Field
from typing import Optional
from datetime import datetime

class User(BaseModel):
    telegram_id: str
    telegram_username: Optional[str] = None
    hf_token_encrypted: Optional[str] = None
    hf_username: Optional[str] = None
    is_admin: bool = False
    created_at: datetime = Field(default_factory=datetime.utcnow)

class OTPRequest(BaseModel):
    telegram_username_or_phone: str

class OTPVerify(BaseModel):
    telegram_username_or_phone: str
    otp: str