package com.wgcloud.service;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.wgcloud.dto.SubtitleDto;
import com.wgcloud.entity.DbTableCount;
import com.wgcloud.mapper.DbTableCountMapper;
import com.wgcloud.util.DateUtil;
import com.wgcloud.util.FormatUtil;
import com.wgcloud.util.UUIDUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.ui.Model;

import java.util.List;
import java.util.Map;

/**
 * @version v3.3
 * @ClassName:DbTableCountCountService.java
 * @author: http://www.wgstart.com
 * @date: 2021年1月16日
 * @Description: DbTableCountService.java
 * @Copyright: 2019-2021 wgcloud. All rights reserved.
 */
@Service
public class DbTableCountService {

    public PageInfo selectByParams(Map<String, Object> params, int currPage, int pageSize) throws Exception {
        PageHelper.startPage(currPage, pageSize);
        List<DbTableCount> list = dbTableCountMapper.selectByParams(params);
        PageInfo<DbTableCount> pageInfo = new PageInfo<DbTableCount>(list);
        return pageInfo;
    }

    public void save(DbTableCount DbTableCount) throws Exception {
        DbTableCount.setId(UUIDUtil.getUUID());
        DbTableCount.setCreateTime(DateUtil.getNowTime());
        dbTableCountMapper.save(DbTableCount);
    }

    public void saveRecord(List<DbTableCount> recordList) throws Exception {
        if (recordList.size() < 1) {
            return;
        }
        for (DbTableCount as : recordList) {
            as.setId(UUIDUtil.getUUID());
            as.setDateStr(DateUtil.getDateTimeString(as.getCreateTime()));
        }
        dbTableCountMapper.insertList(recordList);
    }


    public int countByParams(Map<String, Object> params) throws Exception {
        return dbTableCountMapper.countByParams(params);
    }

    @Transactional
    public int deleteById(String[] id) throws Exception {
        return dbTableCountMapper.deleteById(id);
    }

    public void updateById(DbTableCount DbTableCount)
            throws Exception {
        dbTableCountMapper.updateById(DbTableCount);
    }

    public DbTableCount selectById(String id) throws Exception {
        return dbTableCountMapper.selectById(id);
    }

    public List<DbTableCount> selectAllByParams(Map<String, Object> params) throws Exception {
        return dbTableCountMapper.selectAllByParams(params);
    }

    public int deleteByDate(Map<String, Object> map) throws Exception {
        return dbTableCountMapper.deleteByDate(map);
    }

    /**
     * 设置图表的副标题，数据量的最高、平均、最低值
     *
     * @param model
     * @param dbTableCountList 数据量列表
     */
    public void setSubtitle(Model model, List<DbTableCount> dbTableCountList) {
        //最高
        long maxValue = 0L;
        //最低
        long minValue = 1000000L;
        //平均
        Double avgValue = 0d;
        long sumValue = 0L;

        for (DbTableCount dbTableCount : dbTableCountList) {
            if (null != dbTableCount.getTableCount()) {
                if (dbTableCount.getTableCount() > maxValue) {
                    maxValue = dbTableCount.getTableCount();
                }
                if (dbTableCount.getTableCount() < minValue) {
                    minValue = dbTableCount.getTableCount();
                }
                sumValue += dbTableCount.getTableCount();
            }
        }
        if (dbTableCountList.size() > 0) {
            avgValue = sumValue / (double) dbTableCountList.size();
        } else {
            minValue = 0L;
        }
        SubtitleDto countSubtitleDto = new SubtitleDto();
        countSubtitleDto.setAvgValue(FormatUtil.formatDouble(avgValue, 2) + "");
        countSubtitleDto.setMaxValue(maxValue + "");
        countSubtitleDto.setMinValue(minValue + "");
        model.addAttribute("countSubtitleDto", countSubtitleDto);
    }

    @Autowired
    private DbTableCountMapper dbTableCountMapper;


}