import uuid
from datetime import datetime
from typing import Optional

from pydantic import ConfigDict

from common.enums import FactStatus, SourceType
from common.models.gmodel import Res_WebPacketProtocol, WebPacketProtocol


class FaqProtocol(WebPacketProtocol):
    pass


class Req_CreateFaq(FaqProtocol):
    """사장님이 직접 쓴 FAQ."""

    question: str = ""
    answer: str = ""
    sort_order: Optional[int] = None   # 미지정이면 기존 FAQ 뒤에 붙인다


class Req_TransitionFaq(FaqProtocol):
    """검증 상태 전이."""

    status: FactStatus = FactStatus.VERIFIED
    question: Optional[str] = None
    answer: Optional[str] = None


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

    faq_id: uuid.UUID
    place_id: uuid.UUID
    question: str
    answer: str
    # 근거 목록.
    source_fact_ids: Optional[list[str]] = None
    generated_by: SourceType
    status: FactStatus
    sort_order: int = 0
    created_at: Optional[datetime] = None
    updated_at: Optional[datetime] = None


class Res_FaqList(Res_WebPacketProtocol):
    faqs: list[FaqData] = []
    # 사이트에 나갈 수 있는 건수(VERIFIED·CORRECTED).
    publishable: int = 0
    # 승인 대기 건수 — 관리 화면의 '검토할 것' 배지.
    pending_review: int = 0


class Res_Faq(Res_WebPacketProtocol):
    faq: Optional[FaqData] = None