"""商品 Pydantic 模型（列表 / 详情 / 部分更新）。"""
from __future__ import annotations

from datetime import datetime
from uuid import UUID

from pydantic import BaseModel, ConfigDict, Field


class ProductListItem(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: UUID
    stage: str
    name: str = ""
    offer_id: str = ""
    price: float | None = None
    currency_code: str = "RUB"
    source_platform: str | None = None
    source_url: str | None = None
    asset_counts: dict | None = None
    ozon_product_id: int | None = None
    created_at: datetime
    updated_at: datetime


class ProductDetail(BaseModel):
    model_config = ConfigDict(from_attributes=True)

    id: UUID
    shop_id: UUID | None = None
    stage: str
    source_platform: str | None = None
    source_item_id: str | None = None
    source_url: str | None = None

    offer_id: str = ""
    ozon_product_id: int | None = None
    name: str = ""
    description: str = ""
    description_category_id: int | None = None
    type_id: int | None = None
    price: float | None = None
    old_price: float | None = None
    currency_code: str = "RUB"
    vat: str = "0"
    depth: float | None = None
    width: float | None = None
    height: float | None = None
    dimension_unit: str = "mm"
    weight: float | None = None
    weight_unit: str = "g"
    barcode: str | None = None

    images: list | None = None
    primary_image: str | None = None
    images360: list | None = None
    color_image: str | None = None
    attributes: list | None = None
    complex_attributes: list | None = None

    raw: dict | None = None
    pricing: dict | None = None
    copy: dict | None = None
    fx_rate: float | None = None
    asset_counts: dict | None = None

    published_at: datetime | None = None
    created_at: datetime
    updated_at: datetime


class ProductUpdate(BaseModel):
    """编辑页 autosave 的部分更新。仅允许业务字段，id/时间由服务端维护。"""

    shop_id: UUID | None = None
    stage: str | None = None
    offer_id: str | None = None
    name: str | None = None
    description: str | None = None
    description_category_id: int | None = None
    type_id: int | None = None
    price: float | None = None
    old_price: float | None = None
    currency_code: str | None = None
    vat: str | None = None
    depth: float | None = None
    width: float | None = None
    height: float | None = None
    dimension_unit: str | None = None
    weight: float | None = None
    weight_unit: str | None = None
    barcode: str | None = None
    images: list | None = None
    primary_image: str | None = None
    attributes: list | None = None
    complex_attributes: list | None = None
    raw: dict | None = None
    pricing: dict | None = None
    copy: dict | None = None
    fx_rate: float | None = None
    source_url: str | None = None