from pydantic import BaseModel
from typing import Optional
from datetime import datetime
import uuid

class TaskBase(BaseModel):
    title: str
    description: Optional[str] = None
    completed: bool = False

class TaskCreate(TaskBase):
    pass

class TaskUpdate(BaseModel):
    title: Optional[str] = None
    description: Optional[str] = None
    completed: Optional[bool] = None

class TaskRead(TaskBase):
    id: uuid.UUID
    user_id: uuid.UUID
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True