package com.its.api.its.service.facility;

import com.its.api.its.model.dto.facility.TbFcltFailRparHsDto;
import com.its.api.its.model.entity.facility.TbFcltFailRparHs;
import com.its.api.its.model.entity.facility.TbFcltFailRparHsKey;
import com.its.api.its.repository.facility.TbFcltFailRparHsRepository;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.List;
import java.util.NoSuchElementException;
import java.util.Optional;

@Slf4j
@RequiredArgsConstructor
@Service
public class TbFcltFailRparHsService {

    private final TbFcltFailRparHsRepository repo;

    // 데이터 1건 조회, 없으면 exception
    private TbFcltFailRparHs requireOne(TbFcltFailRparHsKey id) {
        return this.repo.findById(id)
                .orElseThrow(() -> new NoSuchElementException("데이터가 존재하지 않습니다: " + id));
    }

    // 전체 데이터 조회
    @Transactional(readOnly = true)
    public List<TbFcltFailRparHsDto> findAll() {
        List<TbFcltFailRparHsDto> result = new ArrayList<>();
        List<TbFcltFailRparHs> data = this.repo.findAll();
        for (TbFcltFailRparHs entity : data) {
            result.add(entity.toDto());
        }
        return result;
    }

    // 데이터 1건 조회(기존 데이터가 반드시 존재해야 함)
    @Transactional(readOnly = true)
    public TbFcltFailRparHsDto findById(TbFcltFailRparHsKey id) {
        TbFcltFailRparHs entity = requireOne(id);
        return entity.toDto();
    }

    // 데이터 변경
    @Transactional
    public TbFcltFailRparHsDto updateById(TbFcltFailRparHsKey id, TbFcltFailRparHsDto.TbFcltFailRparHsUpdReq req) {
        TbFcltFailRparHs entity = requireOne(id);
        entity.updateInfo(req);
        this.repo.save(entity);
        return entity.toDto();
    }

    // 데이터 변경 또는 생성-목록(데이터가 존재하면 업데이트 없으면 신규로 생성)
    @Transactional
    public List<TbFcltFailRparHsDto> mergeInfoList(List<TbFcltFailRparHsDto.TbFcltFailRparHsUpdReq> reqList) {
        List<TbFcltFailRparHsDto> result = new ArrayList<>();
        for (TbFcltFailRparHsDto.TbFcltFailRparHsUpdReq req : reqList) {
            TbFcltFailRparHs obj = req.toEntity();
            this.repo.save(obj);
            result.add(obj.toDto());
        }
        return result;
    }

    // 데이터 변경 또는 생성-개별(데이터가 존재하면 업데이트 없으면 신규로 생성)
    @Transactional
    public TbFcltFailRparHsDto mergeInfo(TbFcltFailRparHsDto.TbFcltFailRparHsUpdReq req) {
        TbFcltFailRparHs obj = req.toEntity();
        this.repo.save(obj);
        return obj.toDto();
    }

    // 정보 삭제-개별, 데이터 존재하지 않으면 Exception
    @Transactional
    public TbFcltFailRparHsDto deleteById(TbFcltFailRparHsKey id) {
        TbFcltFailRparHs entity = requireOne(id);
        this.repo.deleteById(id);
        return entity.toDto();
    }

    // 정보 삭제-목록, 존재하는 데이터 만 삭제
    @Transactional
    public List<TbFcltFailRparHsDto> deleteByIds(List<TbFcltFailRparHsKey> ids) {
        List<TbFcltFailRparHsDto> result = new ArrayList<>();
        for (TbFcltFailRparHsKey id : ids) {
            Optional<TbFcltFailRparHs> obj = this.repo.findById(id);
            if (obj.isPresent()) {
                this.repo.deleteById(id);
                result.add(obj.get().toDto());
            }
        }
        return result;
    }

    /**
     * 장애이력 조치내역 조회
     * @param failHsSeq
     * @return
     */
    @Transactional(readOnly = true)
    public List<TbFcltFailRparHsDto> findAllFailHsList(String failHsSeq) {

        List<TbFcltFailRparHsDto> result = new ArrayList<>();
        List<TbFcltFailRparHs> data = this.repo.findAllFailHsList(failHsSeq);
        data.forEach(obj -> {
            result.add(obj.toDto());
        });
        return result;
    }
}
