package com.doumee.service.business.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.doumee.core.constants.ResponseStatus;
import com.doumee.core.exception.BusinessException;
import com.doumee.core.model.LoginUserInfo;
import com.doumee.core.model.PageData;
import com.doumee.core.model.PageWrap;
import com.doumee.core.utils.Constants;
import com.doumee.core.utils.Utils;
import com.doumee.dao.business.NoticeMapper;
import com.doumee.dao.business.join.MemberJoinMapper;
import com.doumee.dao.business.join.NoticeJoinMapper;
import com.doumee.dao.business.model.Member;
import com.doumee.dao.business.model.Notice;
import com.doumee.dao.business.model.Shop;
import com.doumee.dao.web.dto.NoticeCardDTO;
import com.doumee.dao.system.model.SystemUser;
import com.doumee.service.business.NoticeService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import java.util.Date;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * 消息通知信息表Service实现
 *
 * @author 江蹄蹄
 * @date 2023/03/21 15:48
 */
@Service
public class NoticeServiceImpl implements NoticeService {

    @Autowired
    private NoticeMapper noticeMapper;

    @Autowired
    private MemberJoinMapper memberJoinMapper;

    @Autowired
    private NoticeJoinMapper noticeJoinMapper;


    @Override
    @Transactional(rollbackFor = {BusinessException.class,Exception.class})
    public Integer create(Notice notice) {
        LoginUserInfo user = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
        if (StringUtils.isEmpty(notice.getTitle()) || StringUtils.isEmpty(notice.getContent()) || notice.getNotifyObject() == null) {
            throw new BusinessException(ResponseStatus.BAD_REQUEST.getCode(), ResponseStatus.BAD_REQUEST.getMessage());
        }

        notice.setCreator(user.getId());
        notice.setCreateDate(new Date());
        notice.setType(Constants.ONE);
        notice.setIsdeleted(Constants.ZERO);
        notice.setStatus(Constants.ZERO);
        if (Constants.equalsInteger(notice.getNotifyObject(), Constants.ZERO)) {
            //通知对象：用户
            getMemberList().stream().forEach(s -> {
                notice.setId(null);
                notice.setMemberId(s.getId());
                noticeMapper.insert(notice);
            });
        } else if (Constants.equalsInteger(notice.getNotifyObject(), Constants.ONE)) {
            //通知对象：商户
            getShopList().stream().forEach(s -> {
                notice.setId(null);
                notice.setMemberId(s.getId());
                noticeMapper.insert(notice);
            });
        }
        return notice.getId();
    }

    /**
     * 获取有效的所有用户信息
     */
    public List<Member> getMemberList() {
        Member query = new Member();
        query.setIsdeleted(Constants.ZERO);
        List<Member> list = memberJoinMapper.selectList(new QueryWrapper<>(query));
        return list;
    }

    /**
     * 获取有效的商家信息
     */
    public List<Member> getShopList() {
        MPJLambdaWrapper<Member> queryWrapper = new MPJLambdaWrapper<>();
        queryWrapper.eq(Member::getIsdeleted, Constants.ZERO);
        queryWrapper.eq(Shop::getIsdeleted, Constants.ZERO);
        queryWrapper.innerJoin(Shop.class, Shop::getMemberId, Member::getId);
        List<Member> list = memberJoinMapper.selectJoinList(Member.class, queryWrapper);
        return list;
    }

    @Override
    public void deleteById(Integer id) {
        LoginUserInfo user = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
        Notice notice=new Notice();
        notice.setId(id);
        notice.setIsdeleted(Constants.ONE);
        notice.setEditor(user.getId());
        notice.setEditDate(new Date());
        noticeMapper.updateById(notice);
    }

    @Override
    public void delete(Notice notice) {
        UpdateWrapper<Notice> deleteWrapper = new UpdateWrapper<>(notice);
        noticeMapper.delete(deleteWrapper);
    }

    @Override
    public void deleteByIdInBatch(List<Integer> ids) {
        if (CollectionUtils.isEmpty(ids)) {
            return;
        }
        noticeMapper.deleteBatchIds(ids);
    }

    @Override
    public void updateById(Notice notice) {
        LoginUserInfo user = (LoginUserInfo) SecurityUtils.getSubject().getPrincipal();
        notice.setEditor(user.getId());
        notice.setEditDate(new Date());
        noticeMapper.updateById(notice);
    }

    @Override
    public void updateByIdInBatch(List<Notice> notices) {
        if (CollectionUtils.isEmpty(notices)) {
            return;
        }
        for (Notice notice : notices) {
            this.updateById(notice);
        }
    }

    @Override
    public Notice findById(Integer id) {
        MPJLambdaWrapper<Notice> queryWrapper = new MPJLambdaWrapper<>();
        queryWrapper.selectAll(Notice.class);
        queryWrapper.selectAs(SystemUser::getRealname,Notice::getCreatorName);
        queryWrapper.selectAs(Shop::getId,Notice::getShopId);

        queryWrapper.leftJoin(SystemUser.class,SystemUser::getId,Notice::getCreator);
        queryWrapper.leftJoin(Shop.class,Shop::getId,Notice::getMemberId);

        queryWrapper.eq(Notice::getId,id);
        Notice notice=   noticeJoinMapper.selectJoinOne(Notice.class,queryWrapper);
        notice.setNotifyObject(Constants.ZERO);
        if(Objects.nonNull(notice)&&notice.getShopId()!=null){
            notice.setNotifyObject(Constants.ONE);
        }
        return notice;
    }

    @Override
    public Notice findOne(Notice notice) {
        QueryWrapper<Notice> wrapper = new QueryWrapper<>(notice);
        return noticeMapper.selectOne(wrapper);
    }

    @Override
    public List<Notice> findList(Notice notice) {
        QueryWrapper<Notice> wrapper = new QueryWrapper<>(notice);
        return noticeMapper.selectList(wrapper);
    }

    @Override
    public PageData<Notice> findPage(PageWrap<Notice> pageWrap) {
        IPage<Notice> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
        MPJLambdaWrapper<Notice> queryWrapper = new MPJLambdaWrapper<>();
        Utils.MP.blankToNull(pageWrap.getModel());

        queryWrapper.selectAll(Notice.class);
        queryWrapper.selectAs(SystemUser::getRealname,Notice::getCreatorName);
        queryWrapper.selectAs(Shop::getId,Notice::getShopId);

        queryWrapper.leftJoin(SystemUser.class,SystemUser::getId,Notice::getCreator);
        queryWrapper.leftJoin(Shop.class,Shop::getId,Notice::getMemberId);

        queryWrapper.like(StringUtils.isNotBlank(pageWrap.getModel().getTitle()),Notice::getTitle,pageWrap.getModel().getTitle());
        queryWrapper.eq(Notice::getIsdeleted,Constants.ZERO);
        queryWrapper.orderByDesc(Notice::getCreateDate);
        IPage<Notice> result = noticeJoinMapper.selectJoinPage(page, Notice.class, queryWrapper);
        result.getRecords().stream().forEach(s->{
            s.setNotifyObject(Constants.ZERO);
            if(s.getShopId()!=null){
                s.setNotifyObject(Constants.ONE);
            }
        });

        return PageData.from(result);
    }

    @Override
    public long count(Notice notice) {
        QueryWrapper<Notice> wrapper = new QueryWrapper<>(notice);
        return noticeMapper.selectCount(wrapper);
    }

    @Override
    public PageData<NoticeCardDTO> findNoticeCardDTOPage(PageWrap<Notice> pageWrap) {

        LoginUserInfo loginUserInfo = (LoginUserInfo)SecurityUtils.getSubject().getPrincipal();
        IPage<Notice> page = new Page<>(pageWrap.getPage(), pageWrap.getCapacity());
        LambdaQueryWrapper<Notice> queryWrapper = new LambdaQueryWrapper<>();
        Utils.MP.blankToNull(pageWrap.getModel());
        queryWrapper.eq(Notice::getType,pageWrap.getModel().getType())
                    .eq(Notice::getObjMemberId,loginUserInfo.getMemberId());
        IPage<Notice> noticeIPage = noticeMapper.selectPage(page, queryWrapper);

        if (CollectionUtils.isEmpty(noticeIPage.getRecords())){
            return PageData.from(new Page<>());
        }
        List<NoticeCardDTO> noticeCardDTOs = noticeIPage.getRecords().stream().map(s -> {
            NoticeCardDTO noticeCardDTO = new NoticeCardDTO();
            BeanUtils.copyProperties(s, noticeCardDTO);
            return noticeCardDTO;

        }).collect(Collectors.toList());

        PageData<NoticeCardDTO> pageData = new PageData<>();
        pageData.setPage(pageWrap.getPage());
        pageData.setCapacity(pageWrap.getCapacity());
        pageData.setTotal(page.getTotal());
        pageData.setRecords(noticeCardDTOs);
        return pageData;
    }
}