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


class Product(BaseModel):
    id: int
    name: str
    full_name: str
    description: Optional[str] = None
    category_id: int
    diameter: Optional[int] = None
    wall_thickness: Optional[float] = None
    length: Optional[int] = None
    color: Optional[str] = None
    application_type: Optional[str] = None
    stiffness_class: Optional[str] = None
    image_path: Optional[str] = None
    page_number: int = 1
    created_at: datetime

    class Config:
        from_attributes = True


class ProductCreate(BaseModel):
    name: str
    full_name: str
    description: Optional[str] = None
    category_id: int
    diameter: Optional[int] = None
    wall_thickness: Optional[float] = None
    length: Optional[int] = None
    color: Optional[str] = None
    application_type: Optional[str] = None
    stiffness_class: Optional[str] = None
    image_path: Optional[str] = None
    page_number: int = 1


class ProductUpdate(BaseModel):
    name: Optional[str] = None
    full_name: Optional[str] = None
    description: Optional[str] = None
    category_id: Optional[int] = None
    diameter: Optional[int] = None
    wall_thickness: Optional[float] = None
    length: Optional[int] = None
    color: Optional[str] = None
    application_type: Optional[str] = None
    stiffness_class: Optional[str] = None
    image_path: Optional[str] = None
    page_number: Optional[int] = None