package com.gunshi.project.xyt.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.core.toolkit.IdWorker;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.gunshi.project.xyt.entity.so.MessageCenterPageSo;
import com.gunshi.project.xyt.mapper.AttResBaseMapper;
import com.gunshi.project.xyt.mapper.MessageCenterMapper;
import com.gunshi.project.xyt.model.AttResBase;
import com.gunshi.project.xyt.model.MessageCenter;
import com.gunshi.project.xyt.model.StRsvrR;
import com.gunshi.project.xyt.util.DateUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.Date;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

/**
 * 描述: 消息中心
 * author: xusan
 * date: 2024-09-19 10:39:29
 */
@Service
@Slf4j
@Transactional(rollbackFor = Exception.class)
public class MessageCenterService extends ServiceImpl<MessageCenterMapper, MessageCenter>
{
    @Autowired
    private AttResBaseMapper resBaseMapper;

    public void insertMessage(List<MessageCenter> messageCenters){
        for(MessageCenter messageCenter : messageCenters){
            messageCenter.setId(IdWorker.getId());
            messageCenter.setPublishTime(new Date());
            messageCenter.setStatus(0);
        }
        this.saveBatch(messageCenters);
    }

    public Page<MessageCenter> listPage(MessageCenterPageSo page) {
        LambdaQueryWrapper<MessageCenter> queryWrapper = Wrappers.lambdaQuery();
        queryWrapper.eq(MessageCenter::getReceiveUserId,page.getReceiveUserId())
                .eq(MessageCenter::getStatus,page.getStatus());
        if (ObjectUtils.isNotNull(page.getTitle())) {
            queryWrapper.like(MessageCenter::getTitle, page.getTitle());
        }
        if (ObjectUtils.isNotNull(page.getPublishUserName())) {
            queryWrapper.like(MessageCenter::getPublishUserName, page.getPublishUserName());
        }
        return this.page(page.getPageSo().toPage(),queryWrapper);
    }

    public Boolean allRead(Long receiveUserId) {
        return this.lambdaUpdate()
                .set(MessageCenter::getStatus, 1)
                .eq(MessageCenter::getReceiveUserId, receiveUserId)
                .update();
    }


    public void rzWarnMes(List<StRsvrR> rlist) {
        AttResBase attResBase = resBaseMapper.selectById("42120250085");
        String stcd = attResBase.getStcd();
        Optional<StRsvrR> first = rlist.stream().filter(o -> o.getStcd().equals(stcd)).findFirst();
        if(first.isPresent()){
            BigDecimal rz = new BigDecimal(first.get().getRz());
            MessageCenter center =new MessageCenter();
            center.setPublishUserId(1L);
            center.setPublishUserName("admin");
            center.setTitle("水位告警");
            String content = "系统检测到小玉潭水库水位";
            //校核水位
            BigDecimal calFloodLev = attResBase.getCalFloodLev();
            if(calFloodLev.compareTo(rz) > 0){
                center.setType(1);
                content = content + "超校核"+ calFloodLev.subtract(rz) +"m";
                center.setContent(content);
                addRzMessage(center,1);
                return;
            }
            //设计水位
            BigDecimal desFloodLev = attResBase.getDesFloodLev();
            if(desFloodLev.compareTo(rz) > 0){
                center.setType(2);
                content = content + "超设计"+ desFloodLev.subtract(rz) +"m";
                center.setContent(content);
                addRzMessage(center,2);
                return;
            }
            //汛限水位
            BigDecimal flLowLimLev = attResBase.getFlLowLimLev();
            if(flLowLimLev.compareTo(rz) > 0){
                center.setType(3);
                content = content + "超汛限"+ flLowLimLev.subtract(rz) +"m";
                center.setContent(content);
                addRzMessage(center,3);
            }

        }

    }

    private void addRzMessage(MessageCenter center, Integer type) {
        String date = DateUtil.convertDateToString(new Date());
        List<MessageCenter> list = this.baseMapper.queryTodayMes(date,type);
        //如果当日不存在该类型的水位告警，则直接新增
        if(CollectionUtils.isEmpty(list)){
            rzMesHandle(center);
        }else{
            this.removeBatchByIds(list);
            rzMesHandle(center);
        }
    }

    private void rzMesHandle(MessageCenter center){
        //查找接收角色关联的人员
        List<Long> ids = this.baseMapper.queryUserIds();
        List<MessageCenter> mesList = ids.stream().map(o -> {
            MessageCenter mes = new MessageCenter();
            BeanUtils.copyProperties(center, mes);
            mes.setReceiveUserId(o);
            return mes;
        }).collect(Collectors.toList());
        this.insertMessage(mesList);
    }


}