package cn.stylefeng.guns.modular.opcua.cert;

import cn.stylefeng.guns.modular.cm.passingStationCollection.service.impl.PassingStationCollectionServiceImpl;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoUnit;
import java.time.temporal.TemporalAccessor;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;

public class DateConvert {
//    public static void main(String[] args) throws ParseException {
//        System.out.println(getSnCode(455));
//        System.out.println(String.format("%04d", 1));
//
////        SimpleDateFormat sim2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
////
////        String str = "DateTime{utcTime=133432147550000000, javaDate=Tue Oct 31 16:32:35 CST 2023}";
////        System.out.println(getCtsDate(str));
////        Date parse = sim2.parse(getCtsDate(str));
////        System.out.println(parse);
////        System.out.println(PassingStationCollectionServiceImpl.getDistanceTime("2023-10-31 08:32:38","2023-10-31 08:32:35"));
//    }

    public static String getCtsDate(String str){
        String resultDate = "";
        SimpleDateFormat sim1 = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US);
        SimpleDateFormat sim2 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            String substring1 = str.substring(46,74);
            Date date = sim1.parse(substring1);
            String sim2String =  sim2.format(date);
            Date date1 = sim2.parse(sim2String);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(date1);
            calendar.add(Calendar.HOUR_OF_DAY, -8); // 减去8小时
            Date newDate = calendar.getTime();
            resultDate = sim2.format(newDate);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return resultDate;
    }

    public static String getSnCode(Integer i){
        SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");
        String constant = "ZC"+ format.format(new Date()) + String.format("%04d",i);
        return constant;
    }
}