package com.czlis.interfaceCommon.utils;

import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

public class LisUtil {

    /**
     * 生日格式为：yyyy-MM-dd
     * 根据出生日期计算年龄
     * @param birthday
     * @return
     */
    public static Map<String,String> getAgeFromBirthDay(String birthday){
        Map<String,String> map = new HashMap<>();
        int age = DateUtil.ageOfNow(birthday);
        if(age > 0){
            map.put("age",String.valueOf(age));
            map.put("unit","岁");
        }else if(age == 0){
            //不足一年的
            long between = DateUtil.between(DateUtil.parse(birthday, "yyyy-MM-dd"), DateUtil.parse(DateUtil.today(), "yyyy-MM-dd"), DateUnit.DAY,true);

            if(between/30 > 0){
                long month = between/30;
                map.put("age",String.valueOf(month));
                map.put("unit","月");
            }else if( between/30 == 0){
                //不足一月的
                map.put("age",String.valueOf(between));
                map.put("unit","天");
            }else{

            }
        }else{

        }
        return map;
    }

    /**
     * 根据年龄获取出生日期
     * @param nl
     * @return
     */
    public static Date getBirthDayFromAge(int nl, String nldw){
        Calendar cal = Calendar.getInstance();
        cal.setTime(DateUtil.date());
        switch (nldw){
            case "岁":
                cal.add(Calendar.YEAR,-nl);
            case "月":
                cal.add(Calendar.MONTH,-nl);
            case "天":
                cal.add(Calendar.DATE,-nl);
        }
        Date BirthDay = cal.getTime();
        SimpleDateFormat df=new SimpleDateFormat("yyyy-MM-dd");
        String format = df.format(BirthDay);
        return DateUtil.parse(format,"yyyy-MM-dd");
    }
}