from datetime import datetime
from typing import Optional

from pydantic import BaseModel, Field


# Shared properties
class ItemBase(BaseModel):
    title: str = Field(
        ..., min_length=1, max_length=100, description="Title of the item"
    )
    description: Optional[str] = Field(
        None, description="Optional description of the item"
    )
    is_active: bool = Field(True, description="Is this item active")


# Properties to receive via API on creation
class ItemCreate(ItemBase):
    pass


# Properties to receive via API on update
class ItemUpdate(BaseModel):
    title: Optional[str] = Field(
        None, min_length=1, max_length=100, description="Title of the item"
    )
    description: Optional[str] = Field(
        None, description="Optional description of the item"
    )
    is_active: Optional[bool] = Field(None, description="Is this item active")


# Properties shared by models stored in DB
class ItemInDBBase(ItemBase):
    id: int
    created_at: datetime
    updated_at: datetime

    class Config:
        from_attributes = True


# Properties to return to client
class Item(ItemInDBBase):
    pass