import Image from 'next/image'
import { usePopupController } from '@/store/popupController'
import { useParams } from 'next/navigation'
import { useSurvey } from '@/hooks/useSurvey'
import { useEffect, useRef, useState } from 'react'
import { useSessionStore } from '@/store/session'
import { useCommCode } from '@/hooks/useCommCode'
import { CommCode } from '@/types/CommCode'
import { sendEmail } from '@/libs/mailer'
import { useSpinnerStore } from '@/store/spinnerStore'

interface SubmitFormData {
  saleBase: string | null
  targetId: string | null
  targetNm: string | null
  sender: string
  receiver: string[] | string
  reference: string | null
  title: string
  contents: string | null
}

interface FormField {
  id: keyof SubmitFormData
  name: string
  required: boolean
}

export default function SurveySaleSubmitPopup() {
  const popupController = usePopupController()
  const { session } = useSessionStore()
  const params = useParams()
  const routeId = params.id

  const { setIsShow } = useSpinnerStore()
  const { getCommCode } = useCommCode()
  const { surveyDetail } = useSurvey(Number(routeId))

  const [submitData, setSubmitData] = useState<SubmitFormData>({
    saleBase: null,
    targetId: null,
    targetNm: null,
    sender: '',
    receiver: [],
    reference: null,
    title: '',
    contents: '',
  })

  const [commCodeList, setCommCodeList] = useState<CommCode[]>([])
  useEffect(() => {
    if (!session?.isLoggedIn || !surveyDetail?.id) return
    if (session?.role === 'Admin') {
      getCommCode('SALES_OFFICE_CD').then((codes) => {
        setCommCodeList(codes)
      })
    }
    setSubmitData({
      ...submitData,
      targetId: session?.role === 'Builder' ? surveyDetail?.storeId ?? null : null,
      targetNm: session?.role === 'Builder' ? surveyDetail?.store ?? null : null,
      sender: session?.email ?? '',
      title: '[HANASYS現地調査] 調査物件が提出. (' + surveyDetail?.srlNo + ')',
    })
  }, [session, surveyDetail])

  const FORM_FIELDS: FormField[] = [
    { id: 'sender', name: '発送者', required: true },
    { id: 'saleBase', name: '提出地点選択', required: session?.role === 'Admin' },
    { id: 'targetNm', name: '提出販売店', required: session?.role !== 'Admin' },
    { id: 'receiver', name: '受信者', required: true },
    { id: 'reference', name: '参考', required: false },
    { id: 'title', name: 'タイトル', required: true },
    { id: 'contents', name: '内容', required: false },
  ]

  const { submitSurvey, isSubmittingSurvey } = useSurvey(Number(routeId))

  const handleInputChange = (field: keyof SubmitFormData, value: string) => {
    setSubmitData((prev) => ({ ...prev, [field]: value }))
  }

  const validateData = (data: SubmitFormData): boolean => {
    const requiredFields = FORM_FIELDS.filter((field) => field.required)

    for (const field of requiredFields) {
      if (data[field.id] === '' || data[field.id] === null || data[field.id]?.length === 0) {
        alert(`${field.name}は必須入力項目です。`)
        const element = document.getElementById(field.id)
        if (element) {
          element.focus()
        }
        return false
      }
    }
    return true
  }

  // TODO: Admin_Sub 계정 매핑된 submit target id 추가!!!! && 메일 테스트트
  const handleSubmit = () => {
    if (validateData(submitData)) {
      window.neoConfirm('送信しますか？ 送信後は変更・修正することはできません。', () => {
        setIsShow(true)
        sendEmail({
          to: submitData.receiver,
          subject: submitData.title,
          content: contentsRef.current?.innerHTML ?? '',
        })
          .then(() => {
            if (!isSubmittingSurvey) {
              alert('提出が完了しました。')
              // submitSurvey({ targetId: submitData.targetId, targetNm: submitData.targetNm })
              popupController.setSurveySaleSubmitPopup(false)
            }
          })
          .catch((error) => {
            console.error('Error sending email:', error)
            alert('メール送信に失敗しました。 再度送信してください。')
          })
          .finally(() => {
            submitSurvey({ targetId: submitData.targetId, targetNm: submitData.targetNm })
            setIsShow(false)
            popupController.setSurveySaleSubmitPopup(false)
          })
      })
    }
  }

  const contentsRef = useRef<HTMLDivElement>(null)

  const handleClose = () => {
    popupController.setSurveySaleSubmitPopup(false)
  }

  const renderFormField = (field: FormField) => {
    const isReadOnly = false

    if (field.id === 'saleBase' && session?.role !== 'Admin') {
      return null
    }
    if (field.id === 'targetNm' && session?.role === 'Admin') {
      return null
    }

    return (
      <div className="data-input-form-bx" key={field.id}>
        <div className="data-input-form-tit">
          {field.name} {field.required && <i className="import">*</i>}
        </div>
        <div className="data-input">
          {field.id === 'contents' ? (
            <div className="submit-content" id={field.id}>
              <div ref={contentsRef}>
                <p style={{ fontSize: '13px', fontWeight: '400', color: '#2e3a59', marginBottom: '15px' }}>
                  HANASYS現地調査アプリを使用した現地調査結果が送信されました。
                </p>
                <p style={{ fontSize: '13px', fontWeight: '400', color: '#2e3a59', marginBottom: '3px' }}>
                  -担当者名： <span style={{ color: '#417DDC' }}>{surveyDetail?.representative}</span>
                </p>
                <p style={{ fontSize: '13px', fontWeight: '400', color: '#2e3a59', marginBottom: '3px' }}>
                  -販売店名：
                  <span style={{ color: '#417DDC' }}>
                    {surveyDetail?.store} ({surveyDetail?.storeId})
                  </span>
                </p>
                <p style={{ fontSize: '13px', fontWeight: '400', color: '#2e3a59', marginBottom: '15px' }}>
                  -施工店名:
                  <span style={{ color: '#417DDC' }}>{surveyDetail?.constructionPoint}</span>
                </p>
                <p>
                  <a
                    style={{ fontSize: '13px', fontWeight: '400', color: '#1259CB', marginBottom: '5px', textDecoration: 'underline' }}
                    href={`${process.env.NEXT_PUBLIC_API_URL}/pdf/survey-sale/${surveyDetail?.id}`}
                    target="_blank"
                  >
                    現地調査結果PDFダウンロード
                  </a>
                </p>
                <p style={{ fontSize: '13px', fontWeight: '400', color: '#2e3a59' }}>
                  ※リンクをクリックしてローカル調査結果PDFをダウンロードできます。
                </p>
              </div>
            </div>
          ) : (
            <>
              {field.id === 'saleBase' && session?.role === 'Admin' ? (
                <select
                  className="select-form"
                  id={field.id}
                  value={submitData[field.id] ?? ''}
                  onChange={(e) => {
                    const selectedOffice = commCodeList.find((item) => item.code === e.target.value)
                    if (selectedOffice) {
                      //@ts-ignore
                      const receiver = selectedOffice.REF_CHR1.split(';')
                      setSubmitData((prev) => ({ ...prev, receiver: receiver, saleBase: e.target.value }))
                    }
                  }}
                >
                  <option value="">選択してください</option>
                  {commCodeList.map((item) => (
                    <option key={item.code} value={item.code}>
                      {item.codeJp}
                    </option>
                  ))}
                </select>
              ) : (
                <input
                  className="input-frame"
                  type="text"
                  id={field.id}
                  value={submitData[field.id] ?? ''}
                  onChange={(e) => handleInputChange(field.id, e.target.value)}
                  readOnly={isReadOnly}
                />
              )}
            </>
          )}
        </div>
      </div>
    )
  }

  return (
    <div className="modal-popup">
      <div className="modal-dialog">
        <div className="modal-content">
          <div className="modal-header">
            <div className="modal-header-inner">
              <div className="modal-name-wrap">
                <div className="modal-img">
                  <Image src="/assets/images/layout/modal_header_icon04.svg" width={19} height={22} alt="" />
                </div>
                <div className="modal-name">調査物件の提出</div>
              </div>
              <button className="modal-close" onClick={handleClose}></button>
            </div>
          </div>
          <div className="modal-body">
            <div className="data-form-wrap">{FORM_FIELDS.map(renderFormField)}</div>
            <div className="btn-flex-wrap">
              <div className="btn-bx">
                <button className="btn-frame n-blue icon" onClick={handleClose}>
                  閉じる<i className="btn-arr"></i>
                </button>
              </div>
              <div className="btn-bx">
                <button className="btn-frame red icon" onClick={handleSubmit} disabled={isSubmittingSurvey}>
                  転送<i className="btn-arr"></i>
                </button>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  )
}