package com.zhujizheng.IHome.util;

import java.time.*;
import java.time.format.DateTimeFormatter;
import java.util.Date;

/**
 * Created with IntelliJ IDEA.
 *
 * @author: neeson
 * Date: 2018/3/29
 * Time: 17:32
 * Description:
 */
public class TimeUtils {

    public static String getFormatTime(Date date) {

        return "";
    }

    public static String getUTCTime(LocalDateTime localDateTime){
        return localDateTime.format(DateTimeFormatter.ofPattern("YYYY-MM-DD'T'hh:mm:ss'Z'"));
    }

    /**
     * timestamp --> Date
     * @param timestamp
     * @return
     */
    public static Date timestampToDate(long timestamp){
        Date from = Date.from(Instant.ofEpochSecond(timestamp));
        return from;
    }

    /**
     * java.util.Date --> java.time.LocalDateTime
     * @param date
     * @return
     */
    public static LocalDateTime DateToLocalDateTime(Date date) {
        Instant instant = date.toInstant();
        ZoneId zone = ZoneId.systemDefault();
        LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
        return localDateTime;
    }

    /**
     * java.util.Date --> java.time.LocalDate
     * @param date
     * @return
     */
    public static LocalDate UDateToLocalDate(Date date) {

        Instant instant = date.toInstant();
        ZoneId zone = ZoneId.systemDefault();
        LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
        LocalDate localDate = localDateTime.toLocalDate();
        return localDate;
    }

    /**
     * java.util.Date --> java.time.LocalTime
     * @param date
     * @return
     */
    public static LocalTime DateToLocalTime(Date date) {
        Instant instant = date.toInstant();
        ZoneId zone = ZoneId.systemDefault();
        LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
        LocalTime localTime = localDateTime.toLocalTime();
        return localTime;
    }


    /**
     * java.time.LocalDateTime --> java.util.Date
     * @param localDateTime
     * @return
     */
    public static Date LocalDateTimeToUdate(LocalDateTime localDateTime) {
        ZoneId zone = ZoneId.systemDefault();
        Instant instant = localDateTime.atZone(zone).toInstant();
        Date date = Date.from(instant);
        return date;
    }


    /**
     * java.time.LocalDate --> java.util.Date
     * @param localDate
     * @return
     */
    public static Date LocalDateToUdate(LocalDate localDate) {
        ZoneId zone = ZoneId.systemDefault();
        Instant instant = localDate.atStartOfDay().atZone(zone).toInstant();
        Date date = Date.from(instant);
        return date;
    }

}