import uuid
from datetime import datetime
from typing import Optional

from pydantic import ConfigDict

from common.enums import DeliveryType
from common.models.gmodel import Res_PageProtocol, Res_WebPacketProtocol, WebPacketProtocol


class ItemProtocol(WebPacketProtocol):
    pass


class Req_CreateItem(ItemProtocol):
    name: str = ""
    code: Optional[str] = None
    category: Optional[str] = None
    category_type: int = 1
    image_url: Optional[str] = None
    model_name: Optional[str] = None
    spec: Optional[str] = None
    manufacturer: Optional[str] = None
    made_in: Optional[str] = None
    price: Optional[int] = None
    internet_lowest_price_yn: bool = False
    internet_lowest_price: Optional[int] = None  # 인터넷 최저가 실값(원). 목표가 산정용
    purchase_price: Optional[int] = None  # 매입가(원). 재견적 목표가 후보(그대로)
    selling_price: Optional[int] = None   # 판매가(원). 유통형 목표가 후보(×(1−마진율))
    moq: Optional[str] = None
    lead_time: Optional[int] = None
    quantity_unit: Optional[str] = None
    delivery_type: Optional[int] = None
    vat_yn: Optional[bool] = None
    delivery_fee_yn: Optional[bool] = None
    custom: Optional[dict] = None  # 회사 커스텀필드 값 {key: value} (정의는 companies.settings.item_fields)


class Req_UpdateItem(ItemProtocol):
    name: Optional[str] = None
    code: Optional[str] = None
    category: Optional[str] = None
    category_type: Optional[int] = None
    image_url: Optional[str] = None
    model_name: Optional[str] = None
    spec: Optional[str] = None
    manufacturer: Optional[str] = None
    made_in: Optional[str] = None
    price: Optional[int] = None
    internet_lowest_price_yn: Optional[bool] = None
    internet_lowest_price: Optional[int] = None  # 인터넷 최저가 실값(원). 목표가 산정용
    purchase_price: Optional[int] = None  # 매입가(원). 재견적 목표가 후보(그대로)
    selling_price: Optional[int] = None   # 판매가(원). 유통형 목표가 후보(×(1−마진율))
    moq: Optional[str] = None
    lead_time: Optional[int] = None
    quantity_unit: Optional[str] = None
    delivery_type: Optional[int] = None
    vat_yn: Optional[bool] = None
    delivery_fee_yn: Optional[bool] = None
    custom: Optional[dict] = None  # 회사 커스텀필드 값 {key: value}


class ItemData(WebPacketProtocol):
    model_config = ConfigDict(from_attributes=True)

    item_id: uuid.UUID
    company_id: uuid.UUID
    user_id: uuid.UUID
    creator_name: Optional[str] = None  # 등록자(작성자) 이름. user_id→company.users.name 조인
    name: str
    code: Optional[str] = None
    category: Optional[str] = None
    category_type: int = 1
    image_url: Optional[str] = None
    model_name: Optional[str] = None
    spec: Optional[str] = None
    manufacturer: Optional[str] = None
    made_in: Optional[str] = None
    price: Optional[int] = None
    internet_lowest_price_yn: bool = False
    internet_lowest_price: Optional[int] = None  # 인터넷 최저가 실값(원). 목표가 산정용
    purchase_price: Optional[int] = None  # 매입가(원). 재견적 목표가 후보(그대로)
    selling_price: Optional[int] = None   # 판매가(원). 유통형 목표가 후보(×(1−마진율))
    moq: Optional[str] = None
    lead_time: Optional[int] = None
    quantity_unit: Optional[str] = None
    delivery_type: Optional[DeliveryType] = None
    vat_yn: Optional[bool] = None
    delivery_fee_yn: Optional[bool] = None
    custom: Optional[dict] = None  # 회사 커스텀필드 값 {key: value}
    supplier_names: list[str] = []  # 이 상품을 취급(계약)하는 공급사명 목록(목록 컬럼용, 배치 조인)
    created_at: Optional[datetime] = None
    updated_at: Optional[datetime] = None


class Res_Item(Res_WebPacketProtocol):
    item: Optional[ItemData] = None


class Res_ItemList(Res_PageProtocol):
    items: list[ItemData] = []


class ItemCategory(WebPacketProtocol):
    name: str
    category_type: int = 1


class Res_ItemCategories(Res_WebPacketProtocol):
    categories: list[ItemCategory] = []


class Req_CheckCodes(ItemProtocol):
    codes: list[str] = []


class Res_CheckCodes(Res_WebPacketProtocol):
    existing: list[str] = []  # codes 중 이미 DB(같은 회사)에 존재하는 코드들


class Res_DeleteItem(Res_WebPacketProtocol):
    pass


class Res_ItemImage(Res_WebPacketProtocol):
    image_url: Optional[str] = None
    filename: Optional[str] = None
    size: Optional[int] = None


class Res_LowestPriceTrigger(Res_WebPacketProtocol):
    item_id: str = ""
    status: str = ""      # queued(접수) | duplicated(이미 진행 중) | unavailable(연동 비활성/LPS 다운)
    message: str = ""


class LowestPriceEntry(WebPacketProtocol):
    """최저가 수집 이력 1건(partner.item_internet_lowest_prices)."""

    model_config = ConfigDict(from_attributes=True)

    lp_price: Optional[int] = None      # 수집한 최저가(원). 실패면 None
    website: int = 0                    # LowestPriceWebsite 코드(1=naver 2=coupang …)
    success_yn: bool = False
    fail_reason: Optional[str] = None
    crawl_end_time: Optional[datetime] = None


class Res_LowestPriceResult(Res_WebPacketProtocol):
    item_id: str = ""
    lowest_price: Optional[int] = None    # 상품에 박제된 대표 최저가(items.internet_lowest_price)
    results: list[LowestPriceEntry] = []  # 최근 수집 이력(최신순)
    message: str = ""