package com.whyc.service;

import com.whyc.mapper.CommonMapper;
import com.whyc.pojo.db_batt.PowerInf;
import com.whyc.pojo.db_dis_batt.BattTestInf;
import com.whyc.pojo.db_power_history.BattRealTimeDataHistory;
import com.whyc.util.DateUtil;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.xddf.usermodel.CompoundLine;
import org.apache.poi.xddf.usermodel.XDDFLineProperties;
import org.apache.poi.xddf.usermodel.XDDFShapeProperties;
import org.apache.poi.xddf.usermodel.chart.*;
import org.apache.poi.xssf.usermodel.*;
import org.openxmlformats.schemas.drawingml.x2006.chart.*;
import org.openxmlformats.schemas.drawingml.x2006.main.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.FileOutputStream;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.RoundingMode;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;
import java.util.stream.Stream;

@Service
public class ExcelService {

    @Autowired
    private PowerInfService powerInfService;

    @Autowired
    private BattTestInfService battTestInfService;

    @Autowired
    //private static BattRealTimeDataHistoryService battRTDataHisService;
    private BattRealTimeDataHistoryService battRTDataHisService;

    @Autowired
    private CommonMapper  commonMapper;


    /**
     * 将电池组放电充电数据写入excel
     * 传入参数:
     *  电池组id,放电第几次
     *
     * @throws IOException
     */
    public void dcReport(int battGroupId,int testRecordCount) throws IOException {
        String filePath = "C:\\Users\\29550\\Desktop\\当前项目\\2023\\0乌东德系统\\测试.xlsx";
        //创建一个工作簿
        XSSFWorkbook workbook = new XSSFWorkbook();
        //创建sheet1
        createSheet1(workbook,battGroupId,testRecordCount);
        //创建sheet2 -- 每月电压,12个月,取每月1号零点零分
        //创建sheet3 -- 每月内阻, 12个月,取每月1号零点零分
        //createSheet2And3(workbook,battGroupId);
        //创建sheet4 -- 每天温度, 30天, 取每天零点零分
        //createSheet4(workbook,battGroupId);

        // 将工作簿写入文件
        FileOutputStream fileOut = new FileOutputStream(filePath);
        workbook.write(fileOut);

        // 关闭工作簿
        workbook.close();

    }

    private void createSheet2And3(XSSFWorkbook workbook, int battGroupId) {
        XSSFSheet sheet2 = workbook.createSheet("每月电压");
        XSSFSheet sheet3 = workbook.createSheet("每月内阻");
        //数据准备
        PowerInf battInfo = powerInfService.getByBattGroupId(battGroupId);
        //创建第一行
        XSSFCell cellOfSheet2 = sheet2.createRow(0).createCell(0);
        XSSFCell cellOfSheet3 = sheet3.createRow(0).createCell(0);
        cellOfSheet2.setCellValue( battInfo.getPowerName()+ battInfo.getBattGroupName()+"浮充电压");
        cellOfSheet3.setCellValue( battInfo.getPowerName()+ battInfo.getBattGroupName()+"内阻数据");

        int columnCount = 2;
        //查询历史实时表. 存在的月份. 如果存在的话,取第一笔记录(104条)
        //首先查询当前月份对应的日期
        List<String> tableListLike = commonMapper.getTableListLike("db_power_history", "tb_batt_realdata_"+battGroupId);
        //当前月份往前推11个月
        List<String> tableListInDB = new ArrayList<>();
         Calendar calendar = Calendar.getInstance();
         for (int i = 0; i < 12; i++) {
             int year = calendar.get(Calendar.YEAR);
             int month = calendar.get(Calendar.MONTH) + 1;
             String monthStr;
             if (month < 10) {
                 monthStr = "0" + month;
             } else {
                 monthStr = String.valueOf(month);
             }
             if (tableListLike.contains("tb_batt_realdata_" + battGroupId + "_" + year + "_" + monthStr)) {
                 //存在,列数+1
                 columnCount++;
                 tableListInDB.add("tb_batt_realdata_" + battGroupId + "_" + year + "_" + monthStr);
             }
             calendar.add(Calendar.MONTH, -1);
         }

        //列根据实际情况变动
        sheet2.addMergedRegion(new CellRangeAddress(0, 0,  0, columnCount-1));
        sheet3.addMergedRegion(new CellRangeAddress(0, 0,  0, columnCount-1));
        //列宽
        for (int j = 0; j < columnCount; j++ ) {
            if(j==0){
                sheet2.setColumnWidth(j, 170 * 20);
                sheet3.setColumnWidth(j, 170 * 20);
            }else {
                sheet2.setColumnWidth(j, 128 * 20);
                sheet3.setColumnWidth(j, 128 * 20);
            }
        }
        //行宽
        sheet2.getRow(0).setHeightInPoints(40);
        sheet3.getRow(0).setHeightInPoints(40);
        //List元素升序排序
        tableListInDB.sort(Comparator.comparing(String::toString));

        //创建第二行
        XSSFRow row1OfSheet2 = sheet2.createRow(1);
        XSSFRow row1OfSheet3 = sheet3.createRow(1);
        row1OfSheet2.createCell(0).setCellValue("蓄电池号（#）");
        row1OfSheet3.createCell(0).setCellValue("蓄电池号（#）");
        //总列数-1
         for (int i = 0; i < columnCount - 1; i++) {
             if(i == columnCount-2){
                 row1OfSheet2.createCell(i+1).setCellValue("备注");
                 row1OfSheet3.createCell(i+1).setCellValue("备注");
             }else {
                 row1OfSheet2.createCell(i + 1).setCellValue("记录" + (i + 1));
                 row1OfSheet3.createCell(i + 1).setCellValue("记录" + (i + 1));
             }
        }

        //填充数据
        for (int i = 1; i <= 109; i++) {
            if(i<=104) {
                sheet2.createRow(i + 2).createCell(0).setCellValue(i + "#");
                sheet3.createRow(i + 2).createCell(0).setCellValue(i + "#");
            }else{
                if(i == 105){
                    sheet2.createRow(i + 2).createCell(0).setCellValue("单节平均电压");
                    sheet3.createRow(i + 2).createCell(0).setCellValue("单节平均内阻");
                }else if (i == 106){
                    sheet2.createRow(i + 2).createCell(0).setCellValue("单节最大电压");
                    sheet3.createRow(i + 2).createCell(0).setCellValue("单节最大内阻");
                } else if (i == 107) {
                    sheet2.createRow(i + 2).createCell(0).setCellValue("单节最小电压");
                    sheet3.createRow(i + 2).createCell(0).setCellValue("单节最小内阻");
                }else if (i == 108) {
                    sheet2.createRow(i + 2).createCell(0).setCellValue("单节最大差值");
                    sheet3.createRow(i + 2).createCell(0).setCellValue("单节最大内阻差值");
                }else {
                    sheet2.createRow(i + 2).createCell(0).setCellValue("均压系数");
                }
            }
        }
        //创建第三行
        XSSFRow row2OfSheet2 = sheet2.createRow(2);
        XSSFRow row2OfSheet3 = sheet3.createRow(2);

        sheet2.getRow(0).createCell(columnCount-1);
        sheet3.getRow(0).createCell(columnCount-1);
         for (int i = 0; i <= tableListInDB.size(); i++) { //这个是列的遍历
             if (i == tableListInDB.size()) {
                 //最后一列备注:全部填空
                 row2OfSheet2.createCell(i + 1);
                 row2OfSheet3.createCell(i + 1);
                 for (int j = 1; j <= 108; j++) { //这个是行的遍历
                     sheet2.getRow(j + 2).createCell(i + 1);
                     sheet3.getRow(j + 2).createCell(i + 1);
                 }
                 sheet2.getRow(108 + 2 + 1).createCell(i + 1);
             } else {
                 //获取数据
                 List<BattRealTimeDataHistory> list = battRTDataHisService.getFirstRecordList(tableListInDB.get(i));
                 list.sort(Comparator.comparing(BattRealTimeDataHistory::getMonNum));
                 //第三行的时间列填充
                 Date testStartTime = list.get(0).getTestStartTime();
                 //获取年月
                 String testMonth = DateUtil.YYYY_DOT_MM.format(testStartTime);
                 row2OfSheet2.createCell(i + 1).setCellValue(testMonth);
                 row2OfSheet3.createCell(i + 1).setCellValue(testMonth);
                 addStatistics(list, "vol", "res");
                 for (int j = 1; j <= 108; j++) { //这个是行的遍历
                     sheet2.getRow(j + 2).createCell(i + 1).setCellValue((list.get(j - 1).getMonVol()));
                     sheet3.getRow(j + 2).createCell(i + 1).setCellValue((list.get(j - 1).getMonRes()));
                 }
                 Float volAvg = list.get(104).getMonVol();
                 Float volMax = list.get(105).getMonVol();
                 sheet2.getRow(108 + 2 + 1).createCell(i + 1).setCellValue(new BigDecimal(volAvg).divide(new BigDecimal(volMax), 4, RoundingMode.HALF_UP).floatValue());
             }
         }

         addGlobalStylesToAllCells(sheet2, workbook);
         addGlobalStylesToAllCells(sheet3, workbook);

         //设置sheet2和sheet3的标题样式
        XSSFCellStyle cellStyleOriginal = cellOfSheet2.getCellStyle();
        XSSFCellStyle cellStyleNew = getCellStyleFont(cellStyleOriginal,workbook, true, 15);
        cellOfSheet2.setCellStyle(cellStyleNew);

        XSSFCellStyle cellStyleOriginal2 = cellOfSheet3.getCellStyle();
        XSSFCellStyle cellStyleNew2 = getCellStyleFont(cellStyleOriginal2,workbook, true, 15);
        cellOfSheet3.setCellStyle(cellStyleNew2);


        // 创建绘图工具
        createChart(sheet2, columnCount,3,"电压折线图");
        createChart(sheet3, columnCount,3,"内阻折线图");

    }

    private void createChart(XSSFSheet sheet2, int columnCount,int rowStartIndex,  String titleTextSuffix) {
        XSSFDrawing drawing = sheet2.createDrawingPatriarch();
        //108个单体,10个单体一个图标
        int chartCol = 1;

        for (int i = 0; i < 104; i += 10) {
            //XSSFClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, 15, chartCol, 25, chartCol+12);
            XSSFClientAnchor anchor = drawing.createAnchor(0, 0, 0, 0, columnCount+1, chartCol, columnCount+11, chartCol+12);
            //图表间每十二列一个间隔
            chartCol += 12;
            String titleText;
            if(i == 100){
                titleText = "101~104#蓄电池"+titleTextSuffix;
            }else{
                titleText = (i+1)+"~"+(i+10)+"#蓄电池"+titleTextSuffix;
            }
            // 创建图表
            XSSFChart chart = drawing.createChart(anchor);
            //chart.setTitleText(titleText);
            CTChart ctChart = chart.getCTChart();
            CTTitle title = ctChart.getTitle();
            if (title == null) {
                title = ctChart.addNewTitle();
            }
            // 创建文本体（如果不存在）
            CTTx tx = title.addNewTx();
            CTTextBody txBody = tx.isSetStrRef() ? null : tx.addNewRich();

            if (txBody == null) {
                txBody = tx.getRich();
            }

            // 清空已有段落
            txBody.setPArray(new CTTextParagraph[0]);

            // 添加新的段落和文本运行
            CTTextParagraph p = txBody.addNewP();
            CTRegularTextRun r = p.addNewR();
            r.setT(titleText);

            // 设置字体大小（14pt -> 1400）
            CTTextCharacterProperties rPr = r.addNewRPr();
            rPr.setSz(900); // 字号：14pt
            // 设置坐标轴
            XDDFCategoryAxis categoryAxis = chart.createCategoryAxis(AxisPosition.BOTTOM);
            //categoryAxis.setTitle("电池编号");
            CTCatAx ctCatAx = getCTCatAx(categoryAxis, chart);
            if(ctCatAx.isSetTitle()){
                ctCatAx.unsetTitle();
            }

            XDDFValueAxis valueAxis = chart.createValueAxis(AxisPosition.LEFT);
            valueAxis.setCrosses(AxisCrosses.AUTO_ZERO);
            CTValAx ctValAx = getCTValAx(valueAxis, chart);
            if(ctValAx.isSetTitle()){
                ctValAx.unsetTitle();
            }

            //增加 网格线和图例
            XDDFShapeProperties gridProperties = valueAxis.getOrAddMajorGridProperties();
            XDDFLineProperties  lineProperties = new XDDFLineProperties();
            lineProperties.setCompoundLine(CompoundLine.SINGLE);
            lineProperties.setWidth(0.5);
            gridProperties.setLineProperties(lineProperties);

            chart.getOrAddLegend().setPosition(LegendPosition.TOP_RIGHT);
            chart.setTitleOverlay(true);

            // X轴数据源-记录编号
            //XDDFDataSource<String> xs = XDDFDataSourcesFactory.fromStringCellRange(sheet2, new CellRangeAddress(2, 2, 1, 12));
            XDDFDataSource<String> xs = XDDFDataSourcesFactory.fromStringCellRange(sheet2, new CellRangeAddress(2, 2, 1, columnCount-2));
            // 每个电池单体作为一个系列,对应一条折线
            // 创建折线图系列
            XDDFLineChartData dataChart = (XDDFLineChartData) chart.createData(ChartTypes.LINE, categoryAxis, valueAxis);
            for (int j = i  ; j < i+10; j++) {
                if(j<104) {
                    XDDFNumericalDataSource<Double> ys = XDDFDataSourcesFactory.fromNumericCellRange(sheet2, new CellRangeAddress(j + rowStartIndex, j + rowStartIndex, 1, columnCount -2));
                    XDDFLineChartData.Series series = (XDDFLineChartData.Series) dataChart.addSeries(xs, ys);
                    //选择布局1
                    series.setTitle(((XSSFRow) sheet2.getRow(j + 6)).getCell(0).getStringCellValue(), new CellReference(sheet2.getSheetName(), j + rowStartIndex, 0, true, true));
                    series.setMarkerStyle(MarkerStyle.CIRCLE); // 设置标记点
                }

            }

            // 将数据填充到图表中
            chart.plot(dataChart);
        }
    }

    private void createSheet4(XSSFWorkbook workbook, int battGroupId) {
        XSSFSheet sheet4 = workbook.createSheet("每天温度");
        //数据准备
        PowerInf battInfo = powerInfService.getByBattGroupId(battGroupId);
        //创建第一行
        XSSFCell cellOfSheet4 = sheet4.createRow(0).createCell(0);
        cellOfSheet4.setCellValue( battInfo.getPowerName()+ battInfo.getBattGroupName()+"温度数据");

        //30天+2列其他列
        int columnCount = 30+2;
        //查询历史实时表. 存在的月份. 如果存在的话,取第一笔记录(104条)
        //首先查询当前月份对应的日期
        List<String> tableListLike = commonMapper.getTableListLike("db_power_history", "tb_batt_realdata_"+battGroupId);
        //获取当前日期往前30天的凌晨零秒的数据. 往前推30天
        List<String> tableListInDB = new ArrayList<>();
        Calendar calendar = Calendar.getInstance();
        int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH) + 1;
        String monthStr;
        if (month < 10) {
            monthStr = "0" + month;
        } else {
            monthStr = String.valueOf(month);
        }
        //当前时间往前30天
        calendar.add(Calendar.DAY_OF_MONTH, -30);
        Date timeAgo = calendar.getTime();
        int yearAgo = calendar.get(Calendar.YEAR);
        int monthAgo = calendar.get(Calendar.MONTH) + 1;
        String monthAgoStr;
        if (monthAgo < 10) {
            monthAgoStr = "0" + (monthAgo);
        } else {
            monthAgoStr = String.valueOf(monthAgo);
        }
        String tableName  = "tb_batt_realdata_" + battGroupId + "_" + year + "_" + monthStr;
        //30天前的时间
        String tableNameAgo = "tb_batt_realdata_" + battGroupId + "_" + yearAgo + "_" + monthAgoStr;
        if (tableListLike.contains(tableName)) {
            tableListInDB.add(tableName);
        }
        if (tableListLike.contains(tableNameAgo)) {
            tableListInDB.add(tableNameAgo);
        }

        //获取所有数据
        List<BattRealTimeDataHistory> dataList = new ArrayList<>();
        for (int i = 0; i < tableListInDB.size(); i++) {
            String tableNameTmp = tableListInDB.get(i);
            List<BattRealTimeDataHistory> list;
            if(tableNameTmp.equals(tableName)){
                list = battRTDataHisService.getFirstRecordListOfDay(tableNameTmp, null);
            }else{
                //说明是上个月的记录,需要记录时间大于30天前的时间
                list = battRTDataHisService.getFirstRecordListOfDay(tableNameTmp, timeAgo);
            }
            dataList.addAll(list);
        }
        //按时间排序和分组
        dataList.sort(Comparator.comparing(BattRealTimeDataHistory::getRecordTime));
        Map<Date, List<BattRealTimeDataHistory>> dataListMap = dataList.stream().collect(Collectors.groupingBy(BattRealTimeDataHistory::getRecordTime));
        Set<Date> dateKeySet = dataListMap.keySet();
        dataListMap.forEach((key,data)->{
            addStatistics(data, "tmp");
        });
        //给列数赋值
        columnCount = dateKeySet.size()+2;

        //列根据实际情况变动
        sheet4.addMergedRegion(new CellRangeAddress(0, 0,  0, columnCount-1));
        //列宽
        for (int j = 0; j < columnCount; j++ ) {
            if(j==0){
                sheet4.setColumnWidth(j, 170 * 20);
            }else {
                sheet4.setColumnWidth(j, 138 * 20);
            }
        }
        //行宽
        sheet4.getRow(0).setHeightInPoints(40);
        //List元素升序排序
        tableListInDB.sort(Comparator.comparing(String::toString));

        //创建第二行
        XSSFRow row1OfSheet4 = sheet4.createRow(1);
        row1OfSheet4.createCell(0).setCellValue("蓄电池号（#）");
        //总列数-1
        for (int i = 0; i < columnCount - 1; i++) {
            if(i == columnCount-2){
                row1OfSheet4.createCell(i+1).setCellValue("备注");
            }else {
                row1OfSheet4.createCell(i + 1).setCellValue("记录" + (i + 1));
            }
        }

        //填充数据
        for (int i = 1; i <= 109; i++) {
            if(i<=104) {
                sheet4.createRow(i + 2).createCell(0).setCellValue(i + "#");
            }else{
                if(i == 105){
                    sheet4.createRow(i + 2).createCell(0).setCellValue("单节平均温度");
                }else if (i == 106){
                    sheet4.createRow(i + 2).createCell(0).setCellValue("单节最大温度");
                } else if (i == 107) {
                    sheet4.createRow(i + 2).createCell(0).setCellValue("单节最小温度");
                }else if (i == 108) {
                    sheet4.createRow(i + 2).createCell(0).setCellValue("单节最大差值");
                }
            }
        }
        //创建第三行
        XSSFRow row2OfSheet4 = sheet4.createRow(2);
        row2OfSheet4.setHeightInPoints(40);
        sheet4.getRow(0).createCell(columnCount-1);

        //填充数据列,key是列日期. value是列数据
        AtomicInteger count = new AtomicInteger();
        //对dateKeySet按时间排序
        Stream<Date> dateKeySetSorted = dateKeySet.stream().sorted(Comparator.comparing(Date::getTime));
        dateKeySetSorted.forEach(key -> {
            List<BattRealTimeDataHistory> value = dataListMap.get(key);
            //第三行时间列填充
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd\nHH:mm:ss");
            row2OfSheet4.createCell(count.get() + 1).setCellValue(format.format(key));
            for (int j = 1; j <= 108; j++) { //这个是行的遍历
                sheet4.getRow(j + 2).createCell(count.get() + 1).setCellValue(value.get(j - 1).getMonTmp());
            }
            count.getAndIncrement();
        });
        //最后一列备注:全部填空
        row2OfSheet4.createCell(columnCount-1);
        for (int j = 1; j <= 108; j++) { //这个是行的遍历
            sheet4.getRow(j + 2).createCell(columnCount-1);
        }

        addGlobalStylesToAllCells(sheet4, workbook);

        //设置sheet4和sheet3的标题样式
        XSSFCellStyle cellStyleOriginal = cellOfSheet4.getCellStyle();
        XSSFCellStyle cellStyleNew = getCellStyleFont(cellStyleOriginal,workbook, true, 15);
        cellOfSheet4.setCellStyle(cellStyleNew);

        //第三行 所有列水平垂直居中,自动换行
        for (int i = 1; i < columnCount; i++) {
            XSSFCell cell = sheet4.getRow(2).getCell(i);
            XSSFCellStyle cellStyle = cell.getCellStyle();
            cellStyle.setAlignment(HorizontalAlignment.CENTER);
            cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
            cellStyle.setWrapText(true);
            cell.setCellStyle(cellStyle);
        }

        createChart(sheet4, columnCount,3,"温度折线图");

    }
    public CTValAx getCTValAx(XDDFValueAxis valueAxis, XSSFChart chart) {
        // 使用反射获取私有字段
        try {
            java.lang.reflect.Field field = valueAxis.getClass().getDeclaredField("ctValAx");
            field.setAccessible(true);
            return (CTValAx) field.get(valueAxis);
        } catch (Exception e) {
            throw new RuntimeException("无法获取 CTValAx 实例", e);
        }
    }

    public CTCatAx getCTCatAx(XDDFCategoryAxis categoryAxis, XSSFChart chart) {
        // 使用反射获取私有字段
        try {
            java.lang.reflect.Field field = categoryAxis.getClass().getDeclaredField("ctCatAx");
            field.setAccessible(true);
            return (CTCatAx) field.get(categoryAxis);
        } catch (Exception e) {
            throw new RuntimeException("无法获取 CTCatAx 实例", e);
        }
    }

    public static void main(String[] args) throws IOException {
        //dcReport(1,1);
    }

    //private static void createSheet1(XSSFWorkbook workbook, int battGroupId, int testRecordCount) {
    private void createSheet1(XSSFWorkbook workbook, int battGroupId, int testRecordCount) {
        XSSFSheet sheet = workbook.createSheet("放电充电电压数据报表");
        //总的列数根据 放电时长和充电时长决定
        //数据准备
        PowerInf battInfo = powerInfService.getByBattGroupId(battGroupId);
        //TODO 测试数据
        //PowerInf battInfo = new PowerInf();
        //battInfo.setPowerName("测试直流系统");
        //battInfo.setBattGroupName("蓄电池组1");
        BattTestInf battTestInf = battTestInfService.getDischargeRecord(battGroupId,testRecordCount);
        //TODO 测试数据
        //BattTestInf battTestInf = new BattTestInf();
        //battTestInf.setTestTimelong(36000);
        //battTestInf.setTestStarttime(new Date());
        //单位是秒,转化为分钟
        Integer testTimeLong = battTestInf.getTestTimelong();
        Integer testTimeMinutes =  testTimeLong /60;
        //testTimeLong转为小时.保留1位小数,取小进行切割
        Float testTimeHours = BigDecimal.valueOf(testTimeLong).divide(BigDecimal.valueOf(60 * 60), 1, RoundingMode.FLOOR).floatValue();
        //获取放电开始时间和终止时间
        Date dischargeStartTime = battTestInf.getTestStarttime();
        //终止时间为开始时间加 测试时长
        Calendar dischargeEndTime = Calendar.getInstance();
        dischargeEndTime.setTime(dischargeStartTime);
        dischargeEndTime.add(Calendar.SECOND, testTimeLong);
        //放电结束后的充电终止记录
        //BattRealTimeDataHistory hisChargeEnd = battRTDataHisService.getChargeEnd(battGroupId,dischargeEndTime);
        //TODO 测试数据
        //BattRealTimeDataHistory hisChargeEnd = new BattRealTimeDataHistory();
        //Calendar  chargeEndTime = Calendar.getInstance();
        //chargeEndTime.setTime(new Date());
        //chargeEndTime.add(Calendar.HOUR,15);
        //hisChargeEnd.setRecordTime(chargeEndTime.getTime());
        //充电时长=充电终止时间-放电终止时间
        long chargeTimeSeconds = (dischargeEndTime.getTime().getTime() - dischargeStartTime.getTime()) / 1000;
        //long chargeTimeSeconds = (hisChargeEnd.getRecordTime().getTime() - dischargeStartTime.getTime()) / 1000;
        //chargeTimeSeconds转为小时.保留1位小数,取小进行切割
        Float chargeTimeHours = BigDecimal.valueOf(chargeTimeSeconds).divide(BigDecimal.valueOf(60 * 60), 1, RoundingMode.FLOOR).floatValue();
        //行数是固定的.总列数是根据放电时长和充电时长决定的
        //放电时长导致的列数计算,列为0.5h,1h,2h,3h,...;
        //小于0.5h,没列. 0.5h~1h之间,1列-0.5h. 大于1h,1+ 放电时长的列数.
        int dischargeColumnCount;
        if (testTimeHours < 0.5) {
            dischargeColumnCount = 0;
        } else if (testTimeHours >= 0.5 && testTimeHours < 1) {
            //0.5h 占两列
            dischargeColumnCount = 2;
        }
        else if (testTimeHours >= 1 && testTimeHours < 2) {
            //0.5h 占两列,1h 占两列
            dischargeColumnCount = 4;
        } else {
            dischargeColumnCount = (int) (testTimeHours + 3);
        }
        //充电时长导致的列数计算,列为0.5h,1h,2h,3h,...;
        int chargeColumnCount;
        if (chargeTimeHours < 0.5) {
            chargeColumnCount = 0;
        } else if (chargeTimeHours >= 0.5 && chargeTimeHours < 1) {
            chargeColumnCount = 1;
        } else {
            chargeColumnCount = (int) (chargeTimeHours + 1);
        }
        //列数的计算= 蓄电池号(1行)+浮充电压值(2行)+放电前开路电压(2行)+放电特定时间电压(dischargeColumnCount行)+放电结束0.5h开路电压值(1行)+充电特定时间电压(chargeColumnCount行)+满电开路电压值(1行)+备注(1行)
        int columnCount = 1 + 2 + 2 + dischargeColumnCount + 1 + chargeColumnCount + 1 + 1;

        //XSSFCellStyle cellStyleFontBold = getCellStyleFont(cellStyleOriginal, workbook,true,20);

        //创建第一行是标题行
        XSSFCell cellRow1 = sheet.createRow(0).createCell(0);
        //setRowStyle(sheet.getRow(0),cellStyleFontBold);

        cellRow1.setCellValue(battInfo.getPowerName()+battInfo.getBattGroupName()+"核对性放电、充电试验记录表");
        //合并行列,占据的列是columnCount列合并为1列并居中
        CellRangeAddress region = new CellRangeAddress(0, 0,  0, columnCount-1);
        sheet.addMergedRegion(region);

        //TODO 第二行的合并列是根据变动的,后续调整
        CellRangeAddress region21 = new CellRangeAddress(1, 1,  0, 1);
        sheet.addMergedRegion(region21);

        CellRangeAddress region22 = new CellRangeAddress(1, 1,  3, 9);
        sheet.addMergedRegion(region22);

        CellRangeAddress region23 = new CellRangeAddress(1, 1,  10, 13);
        sheet.addMergedRegion(region23);

        CellRangeAddress region24 = new CellRangeAddress(1, 1,  14, 17);
        sheet.addMergedRegion(region24);

        CellRangeAddress region25 = new CellRangeAddress(1, 1,  18, 24);
        sheet.addMergedRegion(region25);

        //第三行的合并列,前两个单元模块是固定的,其中1个合并单元
        CellRangeAddress region31 = new CellRangeAddress(2, 2,  2, 3);
        sheet.addMergedRegion(region31);


        // 创建居中样式
        CellStyle style = workbook.createCellStyle();
        style.setAlignment(HorizontalAlignment.CENTER);
        style.setVerticalAlignment(VerticalAlignment.CENTER);
        // 应用样式到单元格
        cellRow1.setCellStyle(style);

        //第二行是放电基本信息
        XSSFRow row1 = sheet.createRow(1);
        XSSFCell cell1Row2 = row1.createCell(0);
        cell1Row2.setCellValue("蓄电池组号:" + battInfo.getBattGroupName());

        XSSFCell cell2Row2 = row1.createCell(2);
        cell2Row2.setCellValue("");

        XSSFCell cell3Row2 = row1.createCell(3);
        cell3Row2.setCellValue("工作票号：2273925\n" +
                "工作负责人：马云燕\n" +
                "工作成员：周素文、李志标、王月灿等");

        XSSFCell cell4Row2 = row1.createCell(10);
        cell4Row2.setCellValue("放电日期：2021.10.30\n" +
                "放电开始时间：10:00\n" +
                "放电结束时间：19:47");

        XSSFCell cell5Row2 = row1.createCell(14);
        cell5Row2.setCellValue("放电电流（A）：35\n" +
                "放电时长（时.分）：600min\n" +
                "放电容量（Ah）：300");

        XSSFCell cell6Row2 = row1.createCell(18);
        cell6Row2.setCellValue("环境温度（℃）：24.5\n" +
                "环境湿度（%）：46.7");
        //第二行设置加粗
        //setRowStyle(sheet.getRow(1),cellStyleFontBold);

        //第三行是电池号和电压等相关抬头
        //第四行是电压列和温度列标识
        XSSFRow row2 = sheet.createRow(2);
        XSSFRow row3 = sheet.createRow(3);
        row2.createCell(0).setCellValue("蓄电池号（#）");
        row2.createCell(1).setCellValue("蓄电池浮充电压值（V）");
        row2.createCell(2).setCellValue("放电前蓄电池开路电压值（V）");

        row3.createCell(0).setCellValue("项目");
        row3.createCell(1).setCellValue("-1（电压）");
        row3.createCell(2).setCellValue("0（电压）");
        row3.createCell(3).setCellValue("0（温度）");

        //放电特定电压值
        int columnIndex = 3;
        if(dischargeColumnCount > 0){
            row2.createCell(5).setCellValue("放电0.5h蓄电池电压值（V）");
            CellRangeAddress region33 = new CellRangeAddress(2, 2,  4, 5);
            sheet.addMergedRegion(region33);
            row3.createCell(4).setCellValue("0.5（电压）");
            row3.createCell(5).setCellValue("0.5（温度）");
            columnIndex+=2;
            if(dischargeColumnCount > 2){ //合并单元格了,所以索引+2
                row2.createCell(7).setCellValue("放电1h蓄电池电压值（V）");
                CellRangeAddress region34 = new CellRangeAddress(2, 2,  6, 7);
                sheet.addMergedRegion(region34);
                row3.createCell(6).setCellValue("1（电压）");
                row3.createCell(7).setCellValue("1（温度）");
                columnIndex+=2;
                if(dischargeColumnCount > 4){
                    columnIndex++;
                    //放电nh蓄电池电压值（V）,n从2开始
                    for(int i = 4;i < dischargeColumnCount;i++){
                        row2.createCell(i+5).setCellValue("放电" + (i-2) + "h蓄电池电压值（V）");
                        row3.createCell(i+5).setCellValue(String.valueOf(i-2));
                        columnIndex++;
                    }

                }
            }
        }

        //充电特定电压值
        row2.createCell(++columnIndex).setCellValue("放电结束0.5h后蓄电池开路电压值（V）");
        row3.createCell(columnIndex).setCellValue("10.5");
        if(chargeColumnCount > 0){
            columnIndex++;
            row2.createCell(columnIndex).setCellValue("充电0.5h");

            if(chargeColumnCount > 1){
                //充电nh,n从1开始
                for(int i = 1;i < chargeColumnCount;i++){
                    columnIndex++;
                    row2.createCell(columnIndex).setCellValue("充电" + (i) + "h蓄电池电压值（V）");
                    row3.createCell(columnIndex);//填充单元格的作用
                }

            }
        }
        row2.createCell(++columnIndex).setCellValue("充满后蓄电池电压值（V)（电流为0）");
        row3.createCell(columnIndex).setCellValue("11");
        row2.createCell(++columnIndex).setCellValue("备注");
        row3.createCell(columnIndex);//填充单元格的作用



        //从rowIndex=6开始
        int rowIndex = 6;
        // 共104节单体,104行. 进行遍历,填充
        //蓄电池浮充电压值列表
        List<BattRealTimeDataHistory> fcVolList = new ArrayList<>();
        fcVolList = battRTDataHisService.getFcVolList(battGroupId,dischargeStartTime);
        //按单体编号排序,按编号升序
        fcVolList.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
        //放点前蓄电池开路电压值
        List<BattRealTimeDataHistory> preVolList = new ArrayList<>();
        preVolList = battRTDataHisService.getPreVolList(battGroupId,dischargeStartTime);

        addStatistics(fcVolList,"vol");
        addStatistics(preVolList,"vol","tmp");

        //放电结束0.5h后蓄电池开路电压值
        Calendar dischargeEndCalendar = Calendar.getInstance();
        dischargeEndCalendar.setTime(dischargeEndTime.getTime());
        dischargeEndCalendar.add(Calendar.MINUTE,30);
        List<BattRealTimeDataHistory> dischargeSetVolListOne = battRTDataHisService.getRecordList(battGroupId, dischargeEndCalendar.getTime());
        dischargeSetVolListOne.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
        addStatistics(dischargeSetVolListOne,"vol","tmp");
        //定位到充电开始时间,状态变为充电的记录时间
        Date chargeStartTime = battRTDataHisService.getChargeStartTime(battGroupId, dischargeEndTime.getTime());
        //充满后蓄电池的电压
        Calendar chargeCalendar = Calendar.getInstance();
        chargeCalendar.setTime(chargeStartTime);
        List<BattRealTimeDataHistory> fcVolListAfter = battRTDataHisService.getFcVolListAfter(battGroupId, chargeCalendar.getTime());
        fcVolListAfter.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
        addStatistics(fcVolListAfter,"vol","tmp");

        //一共104节单体,再加上统计数据4列,一共108
        for(int j = 0; j < 108; j++){
            XSSFRow rowTemp = sheet.createRow(rowIndex++);
            if(j<104) {
                rowTemp.createCell(0).setCellValue((j + 1) + "#");
            }else{
                if(j == 104){
                    rowTemp.createCell(0).setCellValue("单节平均电压");
                }else if (j == 105){
                    rowTemp.createCell(0).setCellValue("单节最大电压");
                }else if (j == 106){
                    rowTemp.createCell(0).setCellValue("单节最小电压");
                }else{
                    rowTemp.createCell(0).setCellValue("单节最大差值");
                }
            }
            //rowTemp.createCell(1).setCellValue("蓄电池浮充电压值（V）:"+(j+1)+"#");
            //rowTemp.createCell(2).setCellValue("蓄电池浮充温度值:"+(j+1)+"#");
            //rowTemp.createCell(3).setCellValue("放电前蓄电池开路电压值（V）:"+(j+1)+"#");
            //rowTemp.createCell(4).setCellValue("放电前蓄电池开路温度值:"+(j+1)+"#");
            rowTemp.createCell(1).setCellValue(fcVolList.get(j).getMonVol());

            rowTemp.createCell(2).setCellValue(preVolList.get(j).getMonVol());
            rowTemp.createCell(3).setCellValue(preVolList.get(j).getMonTmp());


            //放电特定电压值
            int columnIndexTemp = 3;
            Calendar dischargeCalendar = Calendar.getInstance();
            dischargeCalendar.setTime(dischargeStartTime);
            if(dischargeColumnCount > 0){
                //时间在测试开始时间+0.5h
                dischargeCalendar.add(Calendar.MINUTE,30);
                Date recordTime = dischargeCalendar.getTime();
                List<BattRealTimeDataHistory> dischargeListOne = battRTDataHisService.getRecordList(battGroupId,recordTime);
                //按单体编号排序,按编号升序
                dischargeListOne.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
                addStatistics(dischargeListOne,"vol");
                //rowTemp.createCell(5).setCellValue("放电0.5h电压值（V）:"+(j+1)+"#");
                //rowTemp.createCell(6).setCellValue("放电0.5h温度值:"+(j+1)+"#");
                rowTemp.createCell(4).setCellValue(dischargeListOne.get(j).getMonVol());
                rowTemp.createCell(5).setCellValue(dischargeListOne.get(j).getMonTmp());
                columnIndexTemp+=2;
                if(dischargeColumnCount > 2){ //合并单元格了,所以索引+2
                    //时间在测试开始时间+1h
                    dischargeCalendar.setTime(dischargeStartTime);
                    dischargeCalendar.add(Calendar.HOUR,1);
                    Date recordTimeTwo = dischargeCalendar.getTime();
                    List<BattRealTimeDataHistory> dischargeListTwo = battRTDataHisService.getRecordList(battGroupId,recordTimeTwo);
                    dischargeListTwo.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
                    addStatistics(dischargeListTwo,"vol");
                    //rowTemp.createCell(7).setCellValue("放电1h电压值（V）:"+(j+1)+"#");
                    //rowTemp.createCell(8).setCellValue("放电1h温度值:"+(j+1)+"#");
                    rowTemp.createCell(6).setCellValue(dischargeListTwo.get(j).getMonVol());
                    rowTemp.createCell(7).setCellValue(dischargeListTwo.get(j).getMonTmp());
                    columnIndexTemp+=2;
                    if(dischargeColumnCount > 4){
                        columnIndexTemp++;
                        //放电nh蓄电池电压值（V）,n从2开始
                        for(int i = 4;i < dischargeColumnCount;i++){
                            int dischargeHour = i-2;
                            //时间在测试开始时间+nh
                            dischargeCalendar.setTime(dischargeStartTime);
                            dischargeCalendar.add(Calendar.HOUR,dischargeHour);
                            Date recordTimeN = dischargeCalendar.getTime();
                            List<BattRealTimeDataHistory> dischargeListN = battRTDataHisService.getRecordList(battGroupId,recordTimeN);
                            dischargeListN.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
                            addStatistics(dischargeListN,"vol");
                            //rowTemp.createCell(i+5).setCellValue("放电" + dischargeHour + "h蓄电池电压值（V）");
                            rowTemp.createCell(i+5).setCellValue(dischargeListN.get(j).getMonVol());
                            columnIndexTemp++;
                        }

                    }
                }
            }

            //填充放电0.5h后开路电压值
            rowTemp.createCell(++columnIndexTemp).setCellValue(dischargeSetVolListOne.get(j).getMonVol());


            if(chargeColumnCount > 0){
                chargeCalendar = Calendar.getInstance();
                chargeCalendar.setTime(chargeStartTime);
                chargeCalendar.add(Calendar.MINUTE,30);
                List<BattRealTimeDataHistory> chargeVolListOne = battRTDataHisService.getRecordList(battGroupId, chargeCalendar.getTime());
                chargeVolListOne.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
                addStatistics(chargeVolListOne,"vol");
                columnIndexTemp++;
                //rowTemp.createCell(columnIndexTemp).setCellValue("充电0.5h");
                rowTemp.createCell(columnIndexTemp).setCellValue(chargeVolListOne.get(j).getMonVol());

                if(chargeColumnCount > 1){
                    //充电nh,n从1开始
                    for(int i = 1;i < chargeColumnCount;i++){
                        columnIndexTemp++;

                        chargeCalendar.setTime(chargeStartTime);
                        chargeCalendar.add(Calendar.HOUR,i);
                        List<BattRealTimeDataHistory> chargeVolListN = battRTDataHisService.getRecordList(battGroupId, chargeCalendar.getTime());
                        chargeVolListN.sort(Comparator.comparingInt(BattRealTimeDataHistory::getMonNum));
                        addStatistics(chargeVolListN,"vol");
                        //rowTemp.createCell(columnIndexTemp).setCellValue("充电" + (i) + "h蓄电池电压值（V）");
                        rowTemp.createCell(columnIndexTemp).setCellValue(chargeVolListN.get(j).getMonVol());
                    }

                }
            }

            //填充充满后蓄电池电压
            //rowTemp.createCell(++columnIndexTemp).setCellValue("充满后蓄电池电压值（V)（电流为0）");
            if (fcVolListAfter.size() > 0){
                rowTemp.createCell(++columnIndexTemp).setCellValue(fcVolListAfter.get(j).getMonVol());
            }else {
                rowTemp.createCell(++columnIndexTemp).setCellValue("-");
            }
            rowTemp.createCell(++columnIndexTemp).setCellValue("-");
        }

        //=====================格式设置=====================//
        //设置列宽
        for (int i = 0; i < columnCount; i++) {
            sheet.setColumnWidth(i, 256 * 20);
        }
        //对整个表格进行全局设置,暂为设置边框
        addGlobalStylesToAllCells(sheet, workbook);

        //创建第一行是标题行
        setRowStyle(workbook,sheet.getRow(0),true,15);
        //第二行设置加粗
        setRowStyle(workbook,sheet.getRow(1),true,15);

        //生成图表
        createChart(sheet, columnCount, 6,"");
    }

    private XSSFCellStyle getCellStyleFont(XSSFCellStyle cellStyleOriginal, XSSFWorkbook workbook, boolean isFontBold, int fontSize) {
        //字体加粗样式
        Font  font = workbook.createFont();
        font.setFontHeightInPoints((short) (fontSize));
        font.setBold(isFontBold);

        XSSFCellStyle cellStyle = workbook.createCellStyle();
        cellStyle.cloneStyleFrom(cellStyleOriginal);
        cellStyle.setFont(font);
        cellStyle.setAlignment(HorizontalAlignment.CENTER);
        cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
        return cellStyle;
    }

    //对传入的BattRealTimeDataHistory列表进行统计,将统计结果也追加到列表中. 统计的为电压
    public void addStatistics(List<BattRealTimeDataHistory> battRealTimeDataHistoryList,String... fields) {
        List<String> fieldList = Arrays.asList(fields);
        if(battRealTimeDataHistoryList != null && battRealTimeDataHistoryList.size() > 0){
            BattRealTimeDataHistory hisAvg = new BattRealTimeDataHistory();
            BattRealTimeDataHistory hisMax = new BattRealTimeDataHistory();
            BattRealTimeDataHistory hisMin = new BattRealTimeDataHistory();
            BattRealTimeDataHistory hisGap = new BattRealTimeDataHistory();
            if(fieldList.contains("vol")) {
                //电压平均值,最大值,最小值,最大差值
                List<Float> volList = battRealTimeDataHistoryList.stream().map(BattRealTimeDataHistory::getMonVol).collect(Collectors.toList());
                Double volAvgDouble = volList.stream().collect(Collectors.averagingDouble(Float::floatValue));
                BigDecimal avg = new BigDecimal(volAvgDouble).setScale(4, RoundingMode.HALF_UP);
                float volAvg = avg.floatValue();

                //最大值
                float volMax = volList.stream().max(Float::compareTo).get();
                BigDecimal max = new BigDecimal(volMax).setScale(4, RoundingMode.HALF_UP);
                volMax = max.floatValue();

                //最小值
                float volMin = volList.stream().min(Float::compareTo).get();
                BigDecimal min = new BigDecimal(volMin).setScale(4, RoundingMode.HALF_UP);
                volMin = min.floatValue();

                //最大差值
                float volGap = volMax - volMin;

                hisAvg.setMonVol(volAvg);

                hisMax.setMonVol(volMax);

                hisMin.setMonVol(volMin);

                hisGap.setMonVol(volGap);
            }

            if(fieldList.contains("res")) {
                //平均值,最大值,最小值,最大差值
                List<Float> resList = battRealTimeDataHistoryList.stream().map(BattRealTimeDataHistory::getMonRes).collect(Collectors.toList());
                Double resAvgDouble = resList.stream().collect(Collectors.averagingDouble(Float::floatValue));
                BigDecimal avg = new BigDecimal(resAvgDouble).setScale(4, RoundingMode.HALF_UP);
                float resAvg = avg.floatValue();

                //最大值
                float resMax = resList.stream().max(Float::compareTo).get();
                BigDecimal max = new BigDecimal(resMax).setScale(4, RoundingMode.HALF_UP);
                resMax = max.floatValue();

                //最小值
                float resMin = resList.stream().min(Float::compareTo).get();
                BigDecimal min = new BigDecimal(resMin).setScale(4, RoundingMode.HALF_UP);
                resMin = min.floatValue();

                //最大差值
                float resGap = resMax - resMin;

                hisAvg.setMonRes(resAvg);
                hisMax.setMonRes(resMax);
                hisMin.setMonRes(resMin);
                hisGap.setMonRes(resGap);
            }

            if(fieldList.contains("tmp")) {
                //平均值,最大值,最小值,最大差值
                List<Float> tmpList = battRealTimeDataHistoryList.stream().map(BattRealTimeDataHistory::getMonTmp).collect(Collectors.toList());
                Double tmpAvgDouble = tmpList.stream().collect(Collectors.averagingDouble(Float::floatValue));
                BigDecimal avg = new BigDecimal(tmpAvgDouble).setScale(4, RoundingMode.HALF_UP);
                float tmpAvg = avg.floatValue();

                //最大值
                float tmpMax = tmpList.stream().max(Float::compareTo).get();
                BigDecimal max = new BigDecimal(tmpMax).setScale(4, RoundingMode.HALF_UP);
                tmpMax = max.floatValue();

                //最小值
                float tmpMin = tmpList.stream().min(Float::compareTo).get();
                BigDecimal min = new BigDecimal(tmpMin).setScale(4, RoundingMode.HALF_UP);
                tmpMin = min.floatValue();

                //最大差值
                float tmpGap = tmpMax - tmpMin;

                Date now = new Date();

                hisAvg.setMonTmp(tmpAvg);
                hisAvg.setRecordTime(now);

                hisMax.setMonTmp(tmpMax);
                hisMax.setRecordTime(now);

                hisMin.setMonTmp(tmpMin);
                hisMin.setRecordTime(now);

                hisGap.setMonTmp(tmpGap);
                hisGap.setRecordTime(now);
            }


            battRealTimeDataHistoryList.add(hisAvg);
            battRealTimeDataHistoryList.add(hisMax);
            battRealTimeDataHistoryList.add(hisMin);
            battRealTimeDataHistoryList.add(hisGap);
        }
    }

    public void setRowStyle(Workbook workbook,Row row,boolean isFontBold,int fontSize) {
        for (Cell cell : row) {
            //先克隆原来的属性
            CellStyle cellStyleNew = workbook.createCellStyle();
            cellStyleNew.cloneStyleFrom(cell.getCellStyle());

            //设置字体和加粗
            Font font = workbook.createFont();
            font.setFontHeightInPoints((short) (fontSize));
            font.setBold(isFontBold);

            cellStyleNew.setFont(font);
            cell.setCellStyle(cellStyleNew);
        }
    }

    /**
     * 这个方法最后执行,用于对已被创建的行内的所有单元格添加边框.能自动识别被创建的所有列和所有单元格
     * @param sheet
     * @param workbook
     */
    public void addGlobalStylesToAllCells(Sheet sheet, Workbook workbook) {
        //所有边框样式
        CellStyle borderedStyle = workbook.createCellStyle();
        //borderedStyle.cloneStyleFrom(sheet.getRow(0).getCell(0).getCellStyle()); // 可选：复制已有样式
        borderedStyle.setBorderTop(BorderStyle.THIN);
        borderedStyle.setBorderBottom(BorderStyle.THIN);
        borderedStyle.setBorderLeft(BorderStyle.THIN);
        borderedStyle.setBorderRight(BorderStyle.THIN);

        for (Row row : sheet) {
            for (Cell cell : row) {
                cell.setCellStyle(borderedStyle);
            }
        }
    }


}