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

class User(BaseModel):
    user_id: str
    name: str
    email: str
    phone: str
    language_preference: str = "ur"
    family_circle: List[str] = []
    created_at: datetime = Field(default_factory=datetime.utcnow)

class UserCreate(BaseModel):
    name: str
    email: str
    phone: str
    language_preference: str = "ur"

class UserUpdate(BaseModel):
    name: Optional[str] = None
    language_preference: Optional[str] = None
    family_circle: Optional[List[str]] = None