import { queryStringFormatter } from '@/utils/common-utils'
import axios from 'axios'
import { NextResponse } from 'next/server'
import { loggerWrapper } from '@/libs/api-wrapper'
import { QnaService } from '../service'
import { ApiError } from 'next/dist/server/api-utils'
import { getIronSession } from 'iron-session'
import { SessionData } from '@/types/Auth'
import { sessionOptions } from '@/libs/session'
import { cookies } from 'next/headers'

/**
 * @api {GET} /api/qna/detail 문의 상세 조회 API
 * @apiName GET /api/qna/detail
 * @apiGroup Qna
 * @apiDescription 문의 상세 조회 API
 *
 * @apiParam {String} compCd 회사 코드
 * @apiParam {String} qnaNo 문의 번호
 * @apiParam {String} langCd 언어 코드
 * @apiParam {String} loginId 로그인 ID
 *
 * @apiExample {curl} Example usage:
 *     curl -X GET http://localhost:3000/api/qna/detail
 *
 * @apiSuccessExample {json} Success-Response:
 *     {
 *       "data": {
 *         "compCd": "5200",
 *         "qnaNo": 51,
 *         "qstTitle": "Q.CAST TEST",
 *         "qstContents": "Q.CAST TEST CONTENTS",
 *         "regDt": "2025.04.29 16:16:51",
 *         "regId": "X112",
 *         "regNm": "株式会社アイ工務店",
 *         "regEmail": "x112@interplug.co.kr",
 *         "answerYn": "N",
 *         "ansContents": null,
 *         ...
 *         "listFile": [
 *           {
 *             "fileNo": 853
 *             "encodeFileNo": 853,
 *             "srcFileNm": "Quotation_4500380_20240808145129.pdf",
 *             "fileCours": "/temp/20250428/"
 *             "fileSize":160982,
 *             "regDt":"2024.08.13"
 *           }
 *           ...
 *         ],
 *       },
 *     },
 * @apiError {Number} 401 세션 정보 없음 (로그인 필요)
 * @apiError {Number} 500 서버 오류
 */
async function getQnaDetail(request: Request): Promise<NextResponse> {
  const cookieStore = await cookies()
  const session = await getIronSession<SessionData>(cookieStore, sessionOptions)

  const service = new QnaService(session)
  const { searchParams } = new URL(request.url)
  const params = {
    compCd: searchParams.get('compCd'),
    qnaNo: searchParams.get('qnaNo'),
    langCd: searchParams.get('langCd'),
    siteTpCd: searchParams.get('siteTpCd'),
  }

  const result = await service.tryFunction(() =>
    axios.get(`${process.env.NEXT_PUBLIC_INQUIRY_API_URL}/api/qna/detail?loginId=${session.userId}&${queryStringFormatter(params)}`),
  )
  if (result instanceof ApiError) {
    return NextResponse.json({ error: result.message }, { status: result.statusCode })
  }
  return NextResponse.json(result.data)
}

export const GET = loggerWrapper(getQnaDetail)