package com.doumee.core.utils;

import java.time.format.DateTimeFormatter;
import java.util.Calendar;
import java.util.Objects;

/**
 * 日期工具
 * @author Eva.Caesar Liu
 * @date 2023/02/14 11:14
 */
public final class Date {


    public static final  DateTimeFormatter formatter  =  DateTimeFormatter.ofPattern("yyyyMMddHHmmss");

    /**
     * 获取日期的开始时间
     * @param date 日期
     *
     * @return java.util.Date
     */
    public java.util.Date getStart (java.util.Date date) {
        if(Objects.isNull(date)){
            return null;
        }
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        return calendar.getTime();
    }

    /**
     * 获取日期的结束时间
     * @param date 日期
     *
     * @return java.util.Date
     */
    public java.util.Date getEnd (java.util.Date date) {
        if(Objects.isNull(date)){
            return null;
        }
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.DATE, calendar.get(Calendar.DATE) + 1);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        return calendar.getTime();
    }
}