from beanie import Document
from pydantic import EmailStr, Field
from datetime import datetime
from typing import Optional


class User(Document):
    username: str = Field(..., unique=True)
    email: EmailStr
    full_name: Optional[str] = None
    created_at: datetime = Field(default_factory=datetime.now)
    updated_at: datetime = Field(default_factory=datetime.now)
    
    class Settings:
        collection = "users"
    
    class Config:
        json_schema_extra = {
            "example": {
                "username": "john_doe",
                "email": "john@example.com",
                "full_name": "John Doe"
            }
        }