import React from 'react'
import { NextRequest, NextResponse } from 'next/server'
import { pdf, Document } from '@react-pdf/renderer'
import { prisma } from '@/libs/prisma'
import { type Suitable } from '@/types/Suitable'
import SuitablePdf from '@/components/pdf/SuitablePdf'

export async function POST(request: NextRequest) {
  // 파라미터 체크
  const formData = await request.formData()
  const ids = formData.get('ids') as string
  const detailIds = formData.get('detailIds') as string
  const fileTitle = formData.get('fileTitle') as string

  if (ids === '' || detailIds === '' || fileTitle === '') {
    return NextResponse.json({ error: '필수 파라미터가 누락되었습니다' }, { status: 400 })
  }

  try {
    let query = `
    SELECT
      msm.id
      , msm.product_name as productName
      , ( SELECT bcl.code_jp  FROM BC_COMM_L bcl 
          WHERE bcl.head_cd = (SELECT head_cd FROM BC_COMM_H bch  WHERE head_id = 'MANU_FT_CD') 
            AND bcl.code = msm.manu_ft_cd ) AS manuFtCd
      , ( SELECT bcl.code_jp FROM BC_COMM_L bcl 
          WHERE bcl.head_cd = (SELECT head_cd FROM BC_COMM_H bch  WHERE head_id = 'ROOF_MT_CD') 
            AND bcl.code = msm.roof_mt_cd ) AS roofMtCd
      , ( SELECT bcl.code_jp FROM BC_COMM_L bcl 
          WHERE bcl.head_cd = (SELECT head_cd FROM BC_COMM_H bch  WHERE head_id = 'ROOF_SH_CD') 
            AND bcl.code = msm.roof_sh_cd ) AS roofShCd
      , details.detail
    FROM ms_suitable_main msm
    LEFT JOIN (
      SELECT
        msd.main_id
        , (
          SELECT
            msd_json.id
            , ( SELECT bcl.code_jp FROM BC_COMM_L bcl 
                WHERE bcl.head_cd = (SELECT head_cd FROM BC_COMM_H bch  WHERE head_id = 'TRESTLE_MFPC_CD') 
                  AND bcl.code = msd_json.trestle_mfpc_cd ) AS trestleMfpcCd
            , msd_json.trestle_manufacturer_product_name as trestleManufacturerProductName
            , msd_json.memo
          FROM ms_suitable_detail msd_json
            WHERE msd.main_id = msd_json.main_id
              AND msd_json.id IN (:detailIds)
          FOR JSON PATH
        ) AS detail
      FROM ms_suitable_detail msd
      GROUP BY msd.main_id
    ) AS details
      ON msm.id = details.main_id
        AND details.main_id IN (:mainIds)
    WHERE
      msm.id IN (:mainIds)
    ORDER BY msm.product_name;
    `

    // 검색 조건 설정
    query = query.replaceAll(':mainIds', ids)
    query = query.replaceAll(':detailIds', detailIds)

    // 데이터 조회
    const suitable: Suitable[] = await prisma.$queryRawUnsafe(query)

    // pdf 생성
    const content = React.createElement(Document, null, React.createElement(SuitablePdf, { data: suitable, fileTitle: fileTitle }))
    const pdfBlob = await pdf(content).toBlob()

    const fileName = `${fileTitle.replace(' ', '_')}.pdf`
    const encodedFileName = encodeURIComponent(fileName)

    return new Response(pdfBlob, {
      headers: {
        'Content-Type': 'application/pdf',
        'Content-Disposition': `attachment; filename="suitable.pdf"; filename*=UTF-8''${encodedFileName}`,
      },
    })
  } catch (error) {
    console.error('❌ 데이터 조회 중 오류가 발생했습니다:', error)
    return NextResponse.json({ error: '데이터 조회 중 오류가 발생했습니다' }, { status: 500 })
  }
}