from typing import Optional

from fastapi import APIRouter, Depends, Query
from fastapi.security import HTTPAuthorizationCredentials

from common.models.gmodel import UserInfo
from router.v1.validator.dependencies import IsValidAccessToken, RemoveNoneResponse, security
from services.negotiation_service import NegotiationService
from .protocol import Res_Participate, Res_SessionList

router = APIRouter(prefix="/v1/negotiation", tags=["Negotiation"], responses={404: {"description": "Not found"}})


@router.get(
    path="/sessions",
    response_model=Res_SessionList,
    summary="협상 세션 목록",
    description="로그인한 공급사의 협상 세션 목록. 필터(status/qt_type, 정수 코드)·마감일 정렬·페이지네이션 지원.",
)
async def list_sessions(
    user_info: UserInfo = Depends(IsValidAccessToken),
    credentials: HTTPAuthorizationCredentials = Depends(security),
    service: NegotiationService = Depends(),
    status: Optional[int] = Query(None, description="세션 상태 코드 (SessionStatus)"),
    qt_type: Optional[int] = Query(None, description="견적 유형 코드 (QtType: 1=재협상, 2=재견적)"),
    order: str = Query("asc", description="마감일 정렬: asc(임박순)/desc"),
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=100),
):
    return RemoveNoneResponse(
        await service.list_sessions(user_info, credentials.credentials, status, qt_type, order, page, page_size)
    )


@router.post(
    path="/sessions/{session_id}/participate",
    response_model=Res_Participate,
    summary="협상 참여",
    description="세션에 참여한다. 소유(공급사)·세션상태·견적마감·마감시간 검증 후 협상생성→협상중, 견적→견적진행중으로 전이.",
)
async def participate(
    session_id: str,
    user_info: UserInfo = Depends(IsValidAccessToken),
    credentials: HTTPAuthorizationCredentials = Depends(security),
    service: NegotiationService = Depends(),
):
    return RemoveNoneResponse(await service.participate(user_info, credentials.credentials, session_id))