const parseTimestampFromUUID = (uuid: string) => {
    // uuid의 3번째 부분이 timestamp, 시간 보정을 위해 값을 빼줌
    return new Date(parseInt(uuid.split('-')[2], 16) - 12219292800000).getTime();
  };

  const getTempList = (selectedCard: 'STUDY' | 'RECRUITMENT') => {
    const savedList: Array<Partial<RecruitmentForm> & { savedKey: string }> = [];
    for (const key in window.localStorage) {
      // hasOwnProperty로 빌트인 속성 제거
      if (window.localStorage.hasOwnProperty(key) && key.toUpperCase().includes(selectedCard)) {
        savedList.push({ ...JSON.parse(localStorage.getItem(key)), savedKey: key });
      }
    }
    savedList.sort((a, b) => parseTimestampFromUUID(b.savedKey) - parseTimestampFromUUID(a.savedKey));
    return savedList;
  };

export interface SavedKeyState {
  savedKey: string;
  setSavedKey: (newKey: string) => void;
}

// 선택된 카드 키
export const useSavedKeyStore = create<SavedKeyState>((set) => ({
  savedKey: '',
  setSavedKey: (newKey: string) => set(() => ({ savedKey: newKey })),
}));

 import { RecruitFormWithSelect } from '@/Types/study';
import { APPLICATION_CNT, CONTACT } from '@/Shared/study';
import { useSavedKeyStore } from '@/store/study';

const defValue = { label: '', value: '' };
export const useSelectDefaultValue = (type: 'api' | 'storage', data?: any) => {
  const savedKey = useSavedKeyStore((state) => state.savedKey);
  const tempSaved: RecruitFormWithSelect | null = JSON.parse(localStorage.getItem(savedKey)) ?? null;

  /**
   *
   * @descriptioin 임시저장과 api에 들어온 값을 셀렉트 option에 들어가는 타입으로 가공합니다.
   */
  const parseSelectValue = (formKey: keyof RecruitFormWithSelect) => {
    if (type === 'storage' && !tempSaved) return;
    if (type === 'storage') return tempSaved[formKey];

    switch (formKey) {
      case 'contact':
        return CONTACT?.find((contact) => contact.value === data[formKey]) ?? defValue;
      case 'applicantCount':
        return APPLICATION_CNT?.find((cnt) => cnt.value === data[formKey]) ?? defValue;
      case 'positionIds':
        return data?.positionIds?.map(({ id, name }: { id: number; name: string }) => ({ value: id, label: name }));
      default:
        return data[formKey] ?? defValue;
    }
  };

  return parseSelectValue;
};

// 임시저장 관련 훅
export const useTempSaved = () => {
  const savedKey = useSavedKeyStore((state) => state.savedKey);
  const setSavedKey = useSavedKeyStore((state) => state.setSavedKey);
  const tempSaved: RecruitFormWithSelect | null = JSON.parse(localStorage.getItem(savedKey)) ?? null;

  useEffect(() => {
    return () => {
      // 언마운트될 때, 임시저장 선택된 키 초기화
      if (tempSaved) setSavedKey('');
    };
  }, []);

  return { tempSaved, savedKey, setSavedKey };
};

 const saveTemporary = () => {
    // 저장된 키가 있는 경우 이전 키를 삭제한다.
    if (savedKey.length > 0) localStorage.removeItem(savedKey);

    const newSavedKey = `RECRUITMENT-${studyId}-${uuidv1()}`;
    localStorage.setItem(newSavedKey, JSON.stringify(data));
  };