package kr.wisestone.owl.service.impl;

import kr.wisestone.owl.config.kafka.KafkaSender;
import kr.wisestone.owl.constant.Constants;
import kr.wisestone.owl.constant.MsgConstants;
import kr.wisestone.owl.domain.Notice;
import kr.wisestone.owl.domain.User;
import kr.wisestone.owl.exception.OwlRuntimeException;
import kr.wisestone.owl.mapper.NoticeMapper;
import kr.wisestone.owl.repository.NoticeRepository;
import kr.wisestone.owl.service.NoticeService;
import kr.wisestone.owl.service.UserService;
import kr.wisestone.owl.util.ConvertUtil;
import kr.wisestone.owl.vo.NoticeVo;
import kr.wisestone.owl.vo.ResPage;
import kr.wisestone.owl.web.condition.NoticeCondition;
import kr.wisestone.owl.web.form.NoticeForm;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
public class NoticeServiceImpl extends AbstractServiceImpl<Notice, Long, JpaRepository<Notice, Long>> implements NoticeService {

    @Autowired
    private NoticeRepository noticeRepository;

    @Autowired
    private UserService userService;

    @Autowired
    private KafkaSender kafkaSender;

    @Autowired
    private NoticeMapper noticeMapper;

    @Override
    protected JpaRepository<Notice, Long> getRepository() {
        return this.noticeRepository;
    }

    //  공지 사항 등록
    @Override
    @Transactional
    public Notice addNotice(NoticeForm noticeForm) {
        //  공지사항 제목 및 내용 공백 체크
        this.verifyTitleAndDescription(noticeForm.getTitle(), noticeForm.getDescription());

        Notice notice = ConvertUtil.copyProperties(noticeForm, Notice.class);

        return this.noticeRepository.saveAndFlush(notice);
    }

    //  공지사항 제목 및 내용 공백 체크
    private void verifyTitleAndDescription(String title, String description) {
        if (StringUtils.isEmpty(title) || StringUtils.isEmpty(description)) {
            throw new OwlRuntimeException(this.messageAccessor.getMessage(MsgConstants.NOTICE_EMPTY_CONTENT));
        }
    }

    //  공지사항 조회
    @Override
    @Transactional(readOnly = true)
    public List<NoticeVo> findNotice(Map<String, Object> resJsonData,
                                     NoticeCondition noticeCondition, Pageable pageable) {

        noticeCondition.setPage(pageable.getPageNumber() * pageable.getPageSize());
        noticeCondition.setPageSize(pageable.getPageSize());
        noticeCondition.setTitle(noticeCondition.getTitle());

        List<Map<String, Object>> results = this.noticeMapper.find(noticeCondition);
        Long totalCount = this.noticeMapper.count(noticeCondition);
        int totalPage = (int) Math.ceil((totalCount - 1) / pageable.getPageSize()) + 1;
        List<NoticeVo> noticeVos = ConvertUtil.convertListToListClass(results, NoticeVo.class);

        //  로그인 아이디 1 은 관리자 - 관리자만 수정 가능
        for (NoticeVo noticeVo : noticeVos) {
            if (this.webAppUtil.getLoginId().equals(1L)) {
                noticeVo.setModifyPermissionCheck(true);
            }
        }

        resJsonData.put(Constants.RES_KEY_CONTENTS, noticeVos);
        resJsonData.put(Constants.REQ_KEY_PAGE_VO, new ResPage(pageable.getPageNumber(), pageable.getPageSize(),
                totalPage, totalCount));

        return noticeVos;
    }

    //  공지사항 수정
    @Override
    @Transactional
    public Notice modifyNotice(NoticeForm noticeForm) {
        //  공지사항 제목 및 내용 공백 체크
        this.verifyTitleAndDescription(noticeForm.getTitle(), noticeForm.getDescription());

        Notice notice = this.getNotice(noticeForm.getId());
        ConvertUtil.copyProperties(noticeForm, notice, "id");

        return this.noticeRepository.saveAndFlush(notice);
    }

    //  공지사항을 id 로 조회한다.
    @Override
    @Transactional(readOnly = true)
    public Notice getNotice(Long id) {
        if (id == null) {
            throw new OwlRuntimeException(
                    this.messageAccessor.getMessage(MsgConstants.NOTICE_NOT_EXIST));
        }

        Notice notice = this.findOne(id);

        if (notice == null) {
            throw new OwlRuntimeException(
                    this.messageAccessor.getMessage(MsgConstants.NOTICE_NOT_EXIST));
        }

        return notice;
    }

    //  공지사항 상세 정보를 조회한다.
    @Override
    @Transactional(readOnly = true)
    public void detailNotice(Map<String, Object> resJsonData, NoticeCondition noticeCondition) {
        NoticeVo noticeVo = new NoticeVo();

        if (noticeCondition.getId() != null) {
            Notice notice = this.getNotice(noticeCondition.getId());
            noticeVo = ConvertUtil.copyProperties(notice, NoticeVo.class);
        }

        resJsonData.put(Constants.RES_KEY_CONTENTS, noticeVo);
    }

    //  메세지 보내기
    @Override
    @Transactional
    public void sendNotice(NoticeForm noticeForm) {
        for (Long userId : noticeForm.getUserIds()) {
            User user = this.userService.getUser(userId);

            Map<String, Object> message = new HashMap<>();
            message.put("url", "/notification/message");
            message.put("message", noticeForm.getDescription());
            message.put("account", user.getAccount());
            this.kafkaSender.send("common-topic", message);
        }
    }
}