package com.dsh.course.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.dsh.course.entity.SystemNotice;
import com.dsh.course.mapper.SystemNoticeMapper;
import com.dsh.course.mapper.TNoticesMapper;
import com.dsh.course.service.ISystemNoticeService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Date;
import java.util.List;
import java.util.Map;


@Service
public class SystemNoticeServiceImpl extends ServiceImpl<SystemNoticeMapper, SystemNotice> implements ISystemNoticeService {

    @Resource
    private SystemNoticeMapper systemNoticeMapper;

    @Resource
    private TNoticesMapper tNoticesMapper;


    /**
     * 添加系统消息
     * @param userType
     * @param content
     * @param userId
     * @throws Exception
     */
    @Override
    public void addSystemNotice(Integer userType, String content, Integer userId, Integer noticeType) throws Exception {
        SystemNotice systemNotice = new SystemNotice();
        systemNotice.setContent(content);
        systemNotice.setInsertTime(new Date());
        systemNotice.setRead(1);
        systemNotice.setType(2);
        systemNotice.setNoticeType(noticeType);
        systemNotice.setUserId(userId);
        systemNotice.setUserType(userType);
        this.baseMapper.insert(systemNotice);
    }

    /**
     * 获取未阅读数据
     * @param uid
     * @return
     * @throws Exception
     */
    @Override
    public int queryNoReadNoticeNum(Integer uid, Integer userType) throws Exception {
        return systemNoticeMapper.queryNoReadNoticeNum(uid, userType);
    }

    /**
     * 获取消息列表
     * @param type
     * @param pageNum
     * @param size
     * @param uid
     * @return
     */
    @Override
    public List<Map<String, Object>> queryList(Integer type, Integer pageNum, Integer size, Integer uid, Integer userType,Integer language) {
        pageNum = (pageNum - 1) * size;
        List<Map<String, Object>> list = null;
        if(type == 1){//系统公告
            list = tNoticesMapper.queryList(pageNum, size, uid, userType,language);
        }
        if(type == 2){//系统消息
            list = systemNoticeMapper.queryList(type, pageNum, size, uid, userType,language);
            for(Map<String, Object> map : list){
                systemNoticeMapper.readSystemNotice(Integer.valueOf(String.valueOf(map.get("id"))), uid, userType);
            }
        }
        return list;
    }


    /**
     * 阅读操作
     * @param id
     * @param uid
     * @throws Exception
     */
    @Override
    public void readSystemNotice(Integer id, Integer uid, Integer userType) throws Exception {
        systemNoticeMapper.readSystemNotice(id, uid, userType);
    }


    /**
     * 删除公告或消息
     * @param id
     * @param uid
     * @throws Exception
     */
    @Override
    public void delSystemNotice(Integer id, Integer uid, Integer userType) throws Exception {
        systemNoticeMapper.delSystemNotice(id, uid, userType);
    }


    /**
     * 清空消息或公告
     * @param uid
     * @throws Exception
     */
    @Override
    public void clearSystemNotice(Integer uid, Integer userType) throws Exception {
        systemNoticeMapper.delSystemNotice(null, uid, userType);
    }
}