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package com.founder.core.utils;

import org.apache.commons.lang3.StringUtils;

import java.sql.Timestamp;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class DateUtils {
    public static final String FORMAT_YYYY_MM = "yyyy-MM-dd";
    public static final String FORMAT_YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
    public static final String FORMAT_YYYYMMDDHHMMSSSSS = "yyyyMMddhhmmssSSS";
    public static final String FORMAT_YYYYMMDDHHMMSS = "yyyyMMddhhmmss";
    public static final String FORMAT_YYYY_MM_DD_HH_MM_SSSSS = "yyyy-MM-dd HH:mm:ss.SSS";

    public static String getCurrentDate() {
        String formatPattern_Short = "yyyyMMddhhmmss";
        SimpleDateFormat format = new SimpleDateFormat(formatPattern_Short);
        return format.format(new Date());
    }

    public static String getSeqString() {
        SimpleDateFormat fm = new SimpleDateFormat("yyyyMMddHHmmss"); // "yyyyMMdd G
        return fm.format(new Date());
    }

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

    /**
     * 获取当前时间，格式为 yyyyMMddHHmmss
     *
     * @return
     */
    public static String getCurrentTimeStr(String format) {
        format = StringUtils.isEmpty(format) ? FORMAT_YYYY_MM_DD_HH_MM_SS : format;
        Date now = new Date();
        return date2Str(now, format);
    }

    public static String date2Str(Date date) {
        return date2Str(date, FORMAT_YYYY_MM_DD_HH_MM_SS);
    }

    /**
     * 时间格式化FORMAT_YYYY_MM_DD_HH_MM_SS格式
     *
     * @param date
     * @return
     */
    public static Date dateFormate(Date date) {
        if (date != null) {
            return str2datetime(date2Str(date));
        } else {
            return str2datetime(date2Str(new Date()));
        }

    }

    /**
     * 时间转换成 Date 类型
     *
     * @param date
     * @param format
     * @return
     */
    public static String date2Str(Date date, String format) {
        if ((format == null) || format.equals("")) {
            format = FORMAT_YYYY_MM_DD_HH_MM_SS;
        }
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        if (date != null) {
            return sdf.format(date);
        }
        return "";
    }

    public static Date str2date(String str) {
        DateFormat format = new SimpleDateFormat(FORMAT_YYYY_MM);
        Date date = null;
        try {
            date = format.parse(str);
        } catch (Exception e) {
            date = null;
        }

        return date;
    }

    public static Date str2datetime(String str) {
        DateFormat format = new SimpleDateFormat(FORMAT_YYYY_MM_DD_HH_MM_SS);
        Date date = null;
        try {
            date = format.parse(str);
        } catch (Exception e) {
            date = null;
        }

        return date;
    }

    public static Date strDate(String str) {
        DateFormat format = new SimpleDateFormat(FORMAT_YYYY_MM);
        Date date = null;
        try {
            date = format.parse(str);
        } catch (Exception e) {
            date = null;
        }

        return date;
    }

    public static Date addDay(Date date, int num) {
        Calendar sdata = Calendar.getInstance();
        sdata.setTime(date);
        sdata.add(Calendar.DATE, num);
        return sdata.getTime();
    }

    /**
     * 获取批量付款预约时间
     *
     * @return
     */
    public static String getRevTime() {
        Date date = new Date();
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.add(Calendar.DATE, 1);
        String dateString = new SimpleDateFormat(DateUtils.FORMAT_YYYYMMDDHHMMSS).format(cal.getTime());
        System.out.println(dateString);
        return dateString;
    }

    /**
     * 时间比较
     *
     * @param date1
     * @param date2
     * @return DATE1>DATE2返回1，DATE1 dt2.getTime()) {
                return 1;
            } else if (dt1.getTime() < dt2.getTime()) {
                return -1;
            } else {
                return 0;
            }
        } catch (Exception exception) {
            exception.printStackTrace();
        }
        return 0;
    }

    /**
     * 把给定的时间减掉给定的分钟数
     *
     * @param date
     * @param minute
     * @return
     */
    public static Date minusDateByMinute(Date date, int minute) {
        Date newDate = new Date(date.getTime() - (minute * 60 * 1000));
        return newDate;
    }

    /**
     * 根据身份证计算出生日期
     * 只支持18位身份证号
     * @param id_no
     * @return
     */
    public static Date getBirthDay(String id_no){
        Date birthDay = null;
        if (id_no.length() == 18) {
            try {
                String str = id_no.substring(6, 14);
                Calendar calendar = Calendar.getInstance();
                calendar.set(Calendar.YEAR, Integer.parseInt(str.substring(0,4)));
                calendar.set(Calendar.MONTH, Integer.parseInt(str.substring(4,6)) - 1);
                calendar.set(Calendar.DAY_OF_MONTH, Integer.parseInt(str.substring(6,8)));

                calendar.set(Calendar.HOUR_OF_DAY,0);
                calendar.set(Calendar.MINUTE,0);
                calendar.set(Calendar.SECOND,0);
                calendar.set(Calendar.MILLISECOND,0);

                birthDay = calendar.getTime();
            } catch (NumberFormatException e) {
                e.printStackTrace();
            }
        }
        return birthDay;
    }
}