package cc.mrbird.febs.mall.service.impl;

import cc.mrbird.febs.common.entity.FebsResponse;
import cc.mrbird.febs.common.enumerates.DataDictionaryEnum;
import cc.mrbird.febs.common.enumerates.FlowTypeEnum;
import cc.mrbird.febs.common.enumerates.MoneyFlowTypeNewEnum;
import cc.mrbird.febs.common.exception.FebsException;
import cc.mrbird.febs.common.utils.*;
import cc.mrbird.febs.mall.conversion.CjInfoConversion;
import cc.mrbird.febs.mall.conversion.TzInfoConversion;
import cc.mrbird.febs.mall.dto.ApiCreateDto;
import cc.mrbird.febs.mall.dto.ApiCreateItemDto;
import cc.mrbird.febs.mall.dto.KjRecordDto;
import cc.mrbird.febs.mall.dto.OpenPrice;
import cc.mrbird.febs.mall.entity.*;
import cc.mrbird.febs.mall.mapper.*;
import cc.mrbird.febs.mall.service.AsyncCjService;
import cc.mrbird.febs.mall.service.CJService;
import cc.mrbird.febs.mall.service.IApiMallMemberService;
import cc.mrbird.febs.mall.vo.ApiKjInfoVo;
import cc.mrbird.febs.mall.vo.ApiKjRecordVo;
import cc.mrbird.febs.mall.vo.ApiTzInfoVo;
import cc.mrbird.febs.mall.vo.ApiTzListVo;
import cc.mrbird.febs.rabbit.producter.AgentProducer;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSON;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.text.ParseException;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;
import java.util.stream.Collectors;

@Slf4j
@Service
@RequiredArgsConstructor
public class CJServiceImpl extends ServiceImpl<CjInfoMapper, CjInfo> implements CJService {

    private final KjRecordMapper kjRecordMapper;
    private final RedisUtils redisUtils;
    private final DataDictionaryCustomMapper dataDictionaryCustomMapper;
    private final AgentProducer agentProducer;
    private final TzInfoMapper tzInfoMapper;
    private final MallMemberWalletMapper mallMemberWalletMapper;
    private final CjInfoMapper cjInfoMapper;
    private final CjItemMapper cjItemMapper;
    private final IApiMallMemberService mallMemberService;
    private final AsyncCjService asyncCjService;

    @Override
    public FebsResponse kjRecord(KjRecordDto kjRecordDto) {
        IPage<ApiKjRecordVo> page = new Page<>(kjRecordDto.getPageNum(), kjRecordDto.getPageSize());
        IPage<ApiKjRecordVo> pages = kjRecordMapper.selectListInPage(page, kjRecordDto);
        List<ApiKjRecordVo> records = pages.getRecords();
        if(CollUtil.isNotEmpty(records)){
            for(ApiKjRecordVo apiKjRecordVo : records){
                apiKjRecordVo.setKjNum(this.getKjNo(apiKjRecordVo.getKjNum()));
            }
        }
        return new FebsResponse().success().data(pages);
    }

    @Override
    public void createKjRecord() {
        KjRecord kjRecord = new KjRecord();
        String kjNo = MallUtils.getOrderNum();
        kjRecord.setKjNo(kjNo);
        kjRecordMapper.insert(kjRecord);
        /**
         * redis中设置下一期的开奖编号和开奖时间
         */
        //开奖编号
        String recordNoExit = redisUtils.getString(AppContants.KJ_RECORD_NO);
        if (StrUtil.isNotBlank(recordNoExit)) {
            redisUtils.del(AppContants.KJ_RECORD_NO);
        }
        redisUtils.set(AppContants.KJ_RECORD_NO, kjNo, AppContants.KJ_RECORD_TIME_INTERVAL*60);
        //开奖时间
        if (StrUtil.isNotBlank(redisUtils.getString(AppContants.KJ_RECORD_TIME))) {
            redisUtils.del(AppContants.KJ_RECORD_TIME);
        }
        redisUtils.set(AppContants.KJ_RECORD_TIME, kjRecord.getCreatedTime(), AppContants.KJ_RECORD_TIME_INTERVAL*60);

        agentProducer.sendChouJiangDelayMsg(kjNo, AppContants.KJ_RECORD_TIME_INTERVAL * 2 * 30 * 1000L);
        agentProducer.sendNoTimeDelayMsg(kjNo, ((AppContants.KJ_RECORD_TIME_INTERVAL * 2)-1) * 30 * 1000L);//提一分钟停止下注

        //todo 测试下注
        ApiCreateDto apiCreateDto = new ApiCreateDto();
        List<ApiCreateItemDto> items = new ArrayList<>();
        for(int i = 1;i<= 43;i++){
            ApiCreateItemDto apiCreateItemDto6 = new ApiCreateItemDto();
            apiCreateItemDto6.setId(Long.parseLong(String.valueOf(i)));
            apiCreateItemDto6.setTzAmount(new BigDecimal("10"));
            items.add(apiCreateItemDto6);
        }
        apiCreateDto.setItems(items);
        asyncCjService.create(apiCreateDto,1L);
    }

    @Override
    public FebsResponse kjInfo() {
        ApiKjInfoVo apiKjInfoVo = new ApiKjInfoVo();
        String kjNoOld = redisUtils.getString(AppContants.KJ_RECORD_NO_OLD);
        String kjNumOld = this.getKjNo(redisUtils.getString(AppContants.KJ_RECORD_NUM_OLD));
        if(StrUtil.isBlank(kjNoOld)){
            KjRecord kjRecordOld = kjRecordMapper.selectOneByLimitZero(1,1);
            if(ObjectUtil.isNotEmpty(kjRecordOld)){
                apiKjInfoVo.setKjNoOld(kjRecordOld.getKjNo());
                apiKjInfoVo.setKjNumOld(this.getKjNo(kjRecordOld.getKjNum()));
            }
        }else{
            apiKjInfoVo.setKjNoOld(kjNoOld);
            apiKjInfoVo.setKjNumOld(kjNumOld);
        }

        String kjNo = redisUtils.getString(AppContants.KJ_RECORD_NO);
        String createdTime = redisUtils.getString(AppContants.KJ_RECORD_TIME);
        if(StrUtil.isBlank(kjNo)){
            KjRecord kjRecord = kjRecordMapper.selectOneByLimitZero(0,1);
            if(ObjectUtil.isNotEmpty(kjRecord)){
                apiKjInfoVo.setKjNo(kjRecord.getKjNo());
                apiKjInfoVo.setCreatedTime(kjRecord.getCreatedTime().toString());
            }
        }else{
            apiKjInfoVo.setKjNo(kjNo);
            try {
                apiKjInfoVo.setCreatedTime(DateUtil.formatCstTime(createdTime, DateUtil.FULL_TIME_SPLIT_PATTERN));
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }

        DataDictionaryCustom timeIntervalDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.TIME_INTERVAL.getType(),
                DataDictionaryEnum.TIME_INTERVAL.getCode()
        );
        apiKjInfoVo.setDjs(Integer.parseInt(timeIntervalDic.getValue()));

        // 获取当前时间
        LocalDateTime currentTime = LocalDateTime.now();
        // 定义时间格式
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        apiKjInfoVo.setSystemTime(currentTime.format(formatter));
        return new FebsResponse().success().data(apiKjInfoVo);
    }

    @Override
    public void getChouJiangDelayMsg(String kjNo) {
        //开启下注
        DataDictionaryCustom noTimeDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.NO_TIME.getType(),
                DataDictionaryEnum.NO_TIME.getCode()
        );
        noTimeDic.setValue("1");
        dataDictionaryCustomMapper.updateById(noTimeDic);
        //开奖
        KjRecord kjRecord = kjRecordMapper.selectKjNo(kjNo);
        if(ObjectUtil.isEmpty(kjRecord)){
            return;
        }
        DataDictionaryCustom openPriceDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.OPEN_PRICE.getType(),
                DataDictionaryEnum.OPEN_PRICE.getCode()
        );
        int randomInt = RandomUtil.randomInt(1, 27);
        if(StrUtil.isNotEmpty(openPriceDic.getValue())){
            randomInt = Integer.parseInt(openPriceDic.getValue());
            openPriceDic.setValue("");
            dataDictionaryCustomMapper.updateById(openPriceDic);
        }
        kjRecord.setKjNum( String.valueOf(randomInt));
        kjRecordMapper.updateById(kjRecord);

        //开奖编号
        String recordNoExit = redisUtils.getString(AppContants.KJ_RECORD_NO_OLD);
        if (StrUtil.isNotBlank(recordNoExit)) {
            redisUtils.del(AppContants.KJ_RECORD_NO_OLD);
        }
        redisUtils.set(AppContants.KJ_RECORD_NO_OLD, kjNo, AppContants.KJ_RECORD_TIME_INTERVAL * 60);

        //开奖号码
        if (StrUtil.isNotBlank(redisUtils.getString(AppContants.KJ_RECORD_NUM_OLD))) {
            redisUtils.del(AppContants.KJ_RECORD_NUM_OLD);
        }
        redisUtils.set(AppContants.KJ_RECORD_NUM_OLD, randomInt, AppContants.KJ_RECORD_TIME_INTERVAL * 60);
        OpenPrice openPrice = new OpenPrice();
        openPrice.setKjNo(kjNo);
        openPrice.setKjNum(String.valueOf(randomInt));
        agentProducer.sendOpenPriceMsg(openPrice);

    }

    @Override
    public FebsResponse tzInfo() {
        LinkedHashMap<String, JSON> tzInfo1 = new LinkedHashMap<>();
        Object tzInfoMap = redisUtils.get(AppContants.TZ_INFO);
        if(ObjectUtil.isEmpty(tzInfoMap)){
            tzInfo1 = this.getTzInfo();
        }else{
            tzInfo1 = JSONUtil.toBean(JSONUtil.parseObj(tzInfoMap), LinkedHashMap.class);
        }
        return new FebsResponse().success().data(tzInfo1);
    }

    @Override
    @Transactional
    public FebsResponse create(ApiCreateDto apiCreateDto) {
        Long memberId = LoginUserUtil.getLoginUser().getId();
        //开启下注
        DataDictionaryCustom noTimeDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.NO_TIME.getType(),
                DataDictionaryEnum.NO_TIME.getCode()
        );
        if("2".equals(noTimeDic.getValue())){
            throw new FebsException("已停止投注");
        }

        List<ApiCreateItemDto> items = apiCreateDto.getItems();
        if(CollUtil.isEmpty(items)){
            throw new FebsException("参数有误，请刷新页面");
        }
        MallMemberWallet mallMemberWallet = mallMemberWalletMapper.selectWalletByMemberId(memberId);
        BigDecimal totalAmount = BigDecimal.ZERO;
        for(ApiCreateItemDto apiCreateItemDto : items){
            BigDecimal tzAmount = apiCreateItemDto.getTzAmount().setScale(2,BigDecimal.ROUND_DOWN);//投注金额
            if(BigDecimal.ZERO.compareTo(tzAmount) >= 0){
                throw new FebsException("金额必须大于0");
            }
            Long id = apiCreateItemDto.getId();//投注ID
            TzInfo tzInfo = tzInfoMapper.selectById(id);
            if(ObjectUtil.isEmpty(tzInfo)){
                throw new FebsException("参数有误，请刷新页面");
            }
            apiCreateItemDto.setTzInfo(tzInfo);
            totalAmount = totalAmount.add(tzAmount);
        }
        if(mallMemberWallet.getBalance().compareTo(totalAmount) < 0){
            throw new FebsException("余额不足");
        }
        //更新用户余额
        mallMemberWallet.setBalance(mallMemberWallet.getBalance().subtract(totalAmount));
        mallMemberWalletMapper.updateBalanceWithVersion(mallMemberWallet);

        //新增一条投注主表记录
        CjInfo cjInfo = new CjInfo();
        cjInfo.setMemberId(memberId);
        String kjNo = redisUtils.getString(AppContants.KJ_RECORD_NO);
        cjInfo.setKjNo(kjNo);
        cjInfo.setKjState(0);
        cjInfo.setPerkAmount(BigDecimal.ZERO);
        cjInfo.setTotalAmount(totalAmount);
        cjInfoMapper.insert(cjInfo);

        for(ApiCreateItemDto apiCreateItemDto : items){
            Long id = apiCreateItemDto.getId();//投注ID
            TzInfo tzInfo = apiCreateItemDto.getTzInfo();
            BigDecimal tzAmount = apiCreateItemDto.getTzAmount().setScale(2,BigDecimal.ROUND_DOWN);//投注金额
            CjItem cjItem = new CjItem();
            cjItem.setInfoId(cjInfo.getId());
            cjItem.setMemberId(memberId);
            cjItem.setTzId(id);
            cjItem.setTzCode(tzInfo.getTzCode());
            cjItem.setTzPercent(tzInfo.getTzPercent());
            cjItem.setType(tzInfo.getType());
            cjItem.setAmount(tzAmount);
            cjItem.setItemNum(tzInfo.getTzCode());
            cjItem.setPerkAmount(BigDecimal.ZERO);
            cjItemMapper.insert(cjItem);
        }

        String orderNo = MallUtils.getOrderNum("T");
        mallMemberService.addMoneyFlow(
                memberId,
                totalAmount.negate(),
                MoneyFlowTypeNewEnum.STATIC_BONUS.getValue(),
                orderNo,
                MoneyFlowTypeNewEnum.STATIC_BONUS.getDescription(),
                null,
                cjInfo.getId(),
                2,
                FlowTypeEnum.BALANCE.getValue());

        return new FebsResponse().success().message("操作成功");
    }

    @Override
    public FebsResponse tzInfoList(KjRecordDto kjRecordDto) {
        Long memberId = LoginUserUtil.getLoginUser().getId();
        kjRecordDto.setMemberId(memberId);
        IPage<CjInfo> page = new Page<>(kjRecordDto.getPageNum(), kjRecordDto.getPageSize());
        IPage<CjInfo> pages = cjInfoMapper.selectTzListByMemberId(page, kjRecordDto);
        List<CjInfo> records = pages.getRecords();
        if(CollUtil.isNotEmpty(records)){
            for(CjInfo item : records){
                Long id = item.getId();
                item.setKjNum(this.getKjNo(item.getKjNum()));
                List<CjItem> cjItems = cjItemMapper.selectListByInfoId(id);
                if(CollUtil.isNotEmpty(cjItems)){
                    for(CjItem cjItem : cjItems){
                        cjItem.setKjNum(this.getKjNo(cjItem.getKjNum()));
                    }
                }
                item.setItems(cjItems);
            }
        }
        List<ApiTzListVo> apiTzListVos = CjInfoConversion.INSTANCE.entitysToVos(records);
        return new FebsResponse().success().data(apiTzListVos);
    }

    @Override
    public void getNoTimeDelayMsg(String kjNo) {
        DataDictionaryCustom noTimeDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.NO_TIME.getType(),
                DataDictionaryEnum.NO_TIME.getCode()
        );
        noTimeDic.setValue("2");
        dataDictionaryCustomMapper.updateById(noTimeDic);
    }

    @Override
    public void getOpenPriceMsg(String kjNo, String kjNum) {
        QueryWrapper<CjInfo> objectQueryWrapper = new QueryWrapper<>();
        objectQueryWrapper.eq("kj_no",kjNo);
        List<CjInfo> cjInfos = cjInfoMapper.selectList(objectQueryWrapper);
        if(ObjectUtil.isEmpty(cjInfos)){
            return;
        }
        String danshuang = judgeNumberOne(Integer.parseInt(kjNum));
        String daXiao = judgeNumberTwo(Integer.parseInt(kjNum));

        DataDictionaryCustom redBallDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.RED_BALL.getType(),
                DataDictionaryEnum.RED_BALL.getCode()
        );
        String hong = judgeNumberHong(kjNum, redBallDic);

        DataDictionaryCustom blueBallDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.BLUE_BALL.getType(),
                DataDictionaryEnum.BLUE_BALL.getCode()
        );
        String lan = judgeNumberLan(kjNum, blueBallDic);
        DataDictionaryCustom colorBallDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.COLOR_BALL.getType(),
                DataDictionaryEnum.COLOR_BALL.getCode()
        );
        String caiqiu = judgeNumberColor(kjNum, colorBallDic);
        String liugehao = getGroupNumberSix(Integer.parseInt(kjNum));
        String sangehao = getGroupNumberThree(Integer.parseInt(kjNum));

        for(CjInfo cjInfo : cjInfos){
            asyncCjService.openPriceAsync(cjInfo,kjNum,danshuang,daXiao,hong,lan,caiqiu,liugehao,sangehao);
        }
    }

    @Override
    public LinkedHashMap<String, JSON> getTzInfo() {
        LinkedHashMap<String, JSON> linkedHashMap = new LinkedHashMap<>();
        List<TzInfo> tzInfos = tzInfoMapper.selectList(null);
        linkedHashMap.put("daXiao", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 1).collect(Collectors.toList()))));
        linkedHashMap.put("danShuang", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 2).collect(Collectors.toList()))));
        linkedHashMap.put("shuZi", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 3).collect(Collectors.toList()))));
        linkedHashMap.put("hong", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 4).collect(Collectors.toList()))));
        linkedHashMap.put("caiqiu", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 5).collect(Collectors.toList()))));
        linkedHashMap.put("liuHao", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 6).collect(Collectors.toList()))));
        linkedHashMap.put("sanHao", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 7).collect(Collectors.toList()))));
        linkedHashMap.put("lan", JSONUtil.parse(
                TzInfoConversion.INSTANCE.entitysToVo(
                        tzInfos.stream().filter(tzInfo -> tzInfo.getType() == 8).collect(Collectors.toList()))));
        //投注信息
        String tzInfoNoExit = redisUtils.getString(AppContants.TZ_INFO);
        if (StrUtil.isNotBlank(tzInfoNoExit)) {
            redisUtils.del(AppContants.TZ_INFO);
        }
        JSON jsonStr = JSONUtil.parse(linkedHashMap);
        redisUtils.set(AppContants.TZ_INFO, jsonStr);
        return linkedHashMap;
    }

    @Override
    public String getKjNo(String num) {
        DataDictionaryCustom redBallDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.RED_BALL.getType(),
                DataDictionaryEnum.RED_BALL.getCode()
        );

        DataDictionaryCustom blueBallDic = dataDictionaryCustomMapper.selectDicDataByTypeAndCode(
                DataDictionaryEnum.BLUE_BALL.getType(),
                DataDictionaryEnum.BLUE_BALL.getCode()
        );
        if(redBallDic.getValue().equals(num)){
            return "红";
        }
        if(blueBallDic.getValue().equals(num)){
            return "蓝";
        }
        return num;
    }

    /**
     * 取模运算符%来判断该数字是否为偶数。如果余数为0，则该数字为偶数，返回"双数"；否则，该数字为奇数，返回"单数"
     * @param num
     * @return 1-单数 2-双数
     */
    public static String judgeNumberOne(int num) {
        if(num > 24){
            return String.valueOf(num);
        }
        if (num % 2 == 0) {
            return "双";
        } else {
            return "单";
        }
    }

    /**
     * 小于等于12为小 大于12为大
     * @param num
     * @return 1-小数 2-大数
     */
    public static String judgeNumberTwo(int num) {
        if(num > 24){
            return String.valueOf(num);
        }
        if (num <= 12) {
            return "龙1-12";
        } else {
            return "虎13-24";
        }
    }

    /**
     * 红
     * @param num
     */
    public static String judgeNumberHong(String num,DataDictionaryCustom redBallDic) {
        String redBall = redBallDic.getValue();
        if (redBall.equals(num)) {
            return "红球";
        } else {
            return num;
        }
    }

    /**
     * 蓝
     * @param num
     */
    public static String judgeNumberLan(String num,DataDictionaryCustom blueBallDic) {
        String blueBall = blueBallDic.getValue();
        if (blueBall.equals(num)) {
            return "蓝球";
        } else {
            return num;
        }
    }

    /**
     * 彩球
     * @param num
     */
    public static String judgeNumberColor(String num,DataDictionaryCustom colorBallDic) {
        String colorBall = colorBallDic.getValue();
        List<String> colorBallList = Arrays.asList(StrUtil.split(colorBall, ","));
        if (colorBallList.contains(num)) {
            return "彩球";
        } else {
            return num;
        }
    }

    /**
     * 六个号
     * 判断数字属于哪一组并返回组号
     * @param number 1-24之间的数字
     * @return 组号（1, 2, 3, 4）
     */
    /**
     * 判断一个数字属于哪个组并返回组号
     *
     * @param num 输入的数字（1-24之间）
     * @return 组号（1-4之间）
     */
    public static String getGroupNumberSix(int num) {
        if(num > 24){
            return String.valueOf(num);
        }
        // 使用整除来确定组号
        int i = (num - 1) / 6 + 1;
        if(1 == i){
            return "1-6";
        }else if(2 == i){
            return "7-12";
        }else if(3 == i){
            return "13-18";
        }else{
            return "19-24";
        }
    }

    /**
     * 六个号
     * 判断数字属于哪一组并返回组号
     * @param number 1-24之间的数字
     * @return 组号（1, 2, 3, 4）
     */
    /**
     * 判断一个数字属于哪个组并返回组号
     *
     * @param num 输入的数字（1-24之间）
     * @return 组号（1-4之间）
     */
    public static String getGroupNumberThree(int num) {
        if(num > 24){
            return String.valueOf(num);
        }
        // 使用整除来确定组号
        int i = (num - 1) / 3 + 1;
        if(1 == i){
            return "1-3";
        }else if(2 == i){
            return "4-6";
        }else if(3 == i){
            return "7-9";
        }else if(4 == i){
            return "10-12";
        }else if(5 == i){
            return "13-15";
        }else if(6 == i){
            return "16-18";
        }else if(7 == i){
            return "19-21";
        }else{
            return "22-24";
        }
    }

    public static void main(String[] args) {
        ArrayList<Integer> CjItemUpdateList = new ArrayList<>();
        for(int i =1 ;i<=10000;i++){
            CjItemUpdateList.add(i);
        }
        int listSize= CjItemUpdateList.size();
        int toIndex = 500;
        for(int i = 0; i<CjItemUpdateList.size(); i+=toIndex){
            if(i + toIndex > listSize){        //作用为toIndex最后没有1000条数据则剩余几条newList中就装几条
                toIndex = listSize - i;
            }
            List<Integer> newList = new ArrayList<>(CjItemUpdateList.subList(i, i + toIndex));
            System.out.println(newList.toString());
        }

    }

}