package com.topdraw.util;

import java.sql.Timestamp;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZoneOffset;

public class TimestampUtil {

    public static Timestamp now(){
        return new Timestamp(System.currentTimeMillis());
    }

    public static Timestamp now(LocalDateTime localDateTime) {
        long epochSecond = localDateTime.toInstant(ZoneOffset.of("+8")).toEpochMilli();
        return new Timestamp(epochSecond);
    }

    public static long localDateTime2long(LocalDateTime localDateTime){
        long epochSecond = localDateTime.toInstant(ZoneOffset.of("+8")).toEpochMilli();
        return epochSecond;
    }

    public static Timestamp localDateTime2Timestamp(LocalDateTime localDateTime){
        long epochSecond = localDateTime.toInstant(ZoneOffset.of("+8")).toEpochMilli();
        return long2Timestamp(epochSecond);
    }
    public static Timestamp long2Timestamp(long timestamp){
        Timestamp timestamp1 = Timestamp.from(Instant.ofEpochMilli(timestamp));
        return timestamp1;
    }

    public static long timestamp2long(Timestamp timestamp){
        long l = timestamp.toInstant().toEpochMilli();
        return l;
    }

    public static LocalDateTime long2LocalDateTime(Long expireTime) {
        return LocalDateTime.ofInstant(Instant.ofEpochMilli(expireTime),ZoneOffset.of("+8"));
    }

    public static void main(String[] args) {
        long a = 1636616464000L;
        long b = 1637046948588L;
        long c = 1637047122176L;
//        long l = 16342727230L;
//        Timestamp now = now(LocalDateTime.now());
        long l = localDateTime2long(LocalDateTime.now());
        System.out.println(l);
//        System.out.println(now.toString());

        Timestamp timestamp1 = long2Timestamp(a);
//        long l = localDateTime2Timestamp(of);
//        long l = 16342727230L;
//        Timestamp timestamp = long2Timestamp(l);
        System.out.println(timestamp1.toString());

        long l1 = localDateTime2long(LocalDateTime.now());
        System.out.println(l1);
    }


}