# app/schemas/user.py
from pydantic import BaseModel, EmailStr
from datetime import datetime
from typing import Optional

class UserBase(BaseModel):
    username: str
    email: EmailStr

class UserCreate(UserBase):
    password: str

class UserUpdate(BaseModel):
    username: Optional[str] = None
    email: Optional[EmailStr] = None
    password: Optional[str] = None

class UserInDB(UserBase):
    id: int
    is_active: bool
    created_at: datetime
    updated_at: datetime
    
    class Config:
        from_attributes = True

class UserResponse(UserInDB):
    pass


# app/schemas/item.py
from pydantic import BaseModel
from datetime import datetime
from typing import Optional
from .user import UserResponse

class ItemBase(BaseModel):
    name: str
    description: Optional[str] = None
    price: int = 0

class ItemCreate(ItemBase):
    pass

class ItemUpdate(BaseModel):
    name: Optional[str] = None
    description: Optional[str] = None
    price: Optional[int] = None

class ItemInDB(ItemBase):
    id: int
    owner_id: Optional[int] = None
    created_at: datetime
    updated_at: datetime
    
    class Config:
        from_attributes = True

class ItemResponse(ItemInDB):
    owner: Optional[UserResponse] = None