package com.project.common.utils;

import com.project.common.core.domain.model.DateRange;
import org.apache.commons.lang3.time.DateFormatUtils;

import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.util.Calendar;
import java.util.Date;

/**
 * 时间工具类
 *
 * @author jinhui
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDD = "yyyyMMdd";

    public static String YYMMDD = "yyMMdd";


    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";


    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     *
     * @return Date() 当前日期
     */
    public static Date getNowDate() {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     *
     * @return String
     */
    public static String getDate() {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime() {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow() {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateNow() {
        return dateTimeNow(YYYYMMDD);
    }

    public static final String yearNow() {
        return dateTimeNow(YYMMDD);
    }

    public static final String dateTimeNow(final String format) {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date) {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String dateTimeHh(final Date date) {
        return parseDateToStr(YYYY_MM_DD_HH_MM_SS, date);
    }

    public static final String parseDateToStr(final String format, final Date date) {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts) {
        try {
            return new SimpleDateFormat(format).parse(ts);
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath() {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime() {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str) {
        if (str == null) {
            return null;
        }
        try {
            return parseDate(str.toString(), parsePatterns);
        } catch (ParseException e) {
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate() {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算两个时间差
     */
    public static String getDatePoor(Date endDate, Date nowDate) {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    /**
     * 计算两个时间差天数
     */
    public static long getDays(Date endDate, Date stratDate) {
        long nd = 1000 * 24 * 60 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - stratDate.getTime();
        // 计算差多少天
        return diff / nd;
    }

    //时间类型日期转换格式
    public static Date getDateFormatyyyyMMdd(String string) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
        try {
            Date date = dateFormat.parse(string);
            return date;
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;

    }

    public static Date getDateFormatyyyyMMdd01(String string) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
        try {
            Date date = dateFormat.parse(string);
            return date;
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;

    }

    public static String getFormatDatedd(Date date) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
        try {
            String limitdate = dateFormat.format(date);

            return limitdate;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return "";
    }

    public static String getFormatMonth(Date date) {
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMM");
        try {
            String limitdate = dateFormat.format(date);

            return limitdate;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return "";
    }


    public static String getDateStr(Date date) {
        SimpleDateFormat dateFormat = new SimpleDateFormat(YYYY_MM_DD_HH_MM_SS);
        try {
            String limitdate = dateFormat.format(date);

            return limitdate;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return "";
    }

    //获取前几天 或 后几天 时间
    public static Date getBeforeOrAfterDate(Date date ,int num) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.add(Calendar.DAY_OF_MONTH, num);
        return c.getTime();
    }

    //获取前几月 或 后几月 时间
    public static Date getBeforeOrAfterDateByMonth (Date date ,int num) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        c.add(Calendar.MONTH, num);
        return c.getTime();
    }

    /**
     * 获取月份
     * @param date
     * @return
     */
    public static Integer getMonth(Date date){
        if(date == null) return null;
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return cal.get(Calendar.MONTH)+1;
    }

    // 根据指定日期获取上一周日期
    public static DateRange lastWeek(Date date) {
        Calendar calendar1 = Calendar.getInstance();
        Calendar calendar2 = Calendar.getInstance();
        calendar1.setTime(date);
        calendar2.setTime(date);
        int dayOfWeek = calendar1.get(Calendar.DAY_OF_WEEK) - 1;
        if(dayOfWeek <= 0){
            dayOfWeek = 7;
        }
        int offset1 = 1 - dayOfWeek;
        int offset2 = 7 - dayOfWeek;
        calendar1.add(Calendar.DATE, offset1 - 7);
        calendar2.add(Calendar.DATE, offset2 - 7);
        // last Monday
        String lastBeginDate = getFormatDatedd(calendar1.getTime());
        System.out.println(calendar1.getTime());
        // last Sunday
        String lastEndDate = getFormatDatedd(calendar2.getTime());
//        return lastBeginDate + "," + lastEndDate;
        System.out.println(lastBeginDate+lastEndDate);
        return new DateRange(lastBeginDate,lastEndDate);
    }

    // 根据指定日期获取当前周日期
    public static DateRange nowWeek(Date date){
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        int dayWeek = cal.get(Calendar.DAY_OF_WEEK);
        if (1 == dayWeek) {
            cal.add(Calendar.DAY_OF_MONTH, -1);
        }
        cal.setFirstDayOfWeek(Calendar.MONDAY);
        int day = cal.get(Calendar.DAY_OF_WEEK);
        cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day);
        String imptimeBegin = dateTime(cal.getTime());
        cal.add(Calendar.DATE, 6);
        String imptimeEnd = dateTime(cal.getTime());
        return new DateRange(imptimeBegin,imptimeEnd);
    }

    /**
     * 获取date的月份的时间范围
     * @param date
     * @return
     */
    public static DateRange getMonthRange(Date date) {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.setTime(date);
        startCalendar.set(Calendar.DAY_OF_MONTH, 1);
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.setTime(date);
        endCalendar.set(Calendar.DAY_OF_MONTH, endCalendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        setMaxTime(endCalendar);
        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }

    /**
     * 获取当前季度的时间范围
     * @return current quarter
     */
    public static DateRange getThisQuarter() {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.set(Calendar.MONTH, ((int) startCalendar.get(Calendar.MONTH) / 3) * 3);
        startCalendar.set(Calendar.DAY_OF_MONTH, 1);
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.set(Calendar.MONTH, ((int) startCalendar.get(Calendar.MONTH) / 3) * 3 + 2);
        endCalendar.set(Calendar.DAY_OF_MONTH, endCalendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        setMaxTime(endCalendar);

        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }

    /**
     * 获取昨天的时间范围
     * @return
     */
    public static DateRange getYesterdayRange() {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.add(Calendar.DAY_OF_MONTH, -1);
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.add(Calendar.DAY_OF_MONTH, -1);
        setMaxTime(endCalendar);

        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }

    /**
     * 获取今天的时间范围
     * @return
     */
    public static DateRange getTodayRange() {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.add(Calendar.DAY_OF_MONTH, 0);
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.add(Calendar.DAY_OF_MONTH, 0);
        setMaxTime(endCalendar);

        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }



    /**
     * 获取当前月份的时间范围
     * @return
     */
    public static DateRange getThisMonth() {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.set(Calendar.DAY_OF_MONTH, 1);
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.set(Calendar.DAY_OF_MONTH, endCalendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        setMaxTime(endCalendar);

        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }


    /**
     * 获取当前年的时间范围
     * @return
     */
    public static DateRange getThisYear() {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.set(startCalendar.get(Calendar.YEAR), 0, startCalendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        startCalendar.set(Calendar.DAY_OF_MONTH, startCalendar.getActualMinimum(Calendar.DAY_OF_MONTH));
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.set(endCalendar.get(Calendar.YEAR), 11, 31, 0, 0, 0);
        setMaxTime(endCalendar);

        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }

    /**
     * 获取上个月的时间范围
     */
    public static DateRange getLastMonth(){
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.add(Calendar.MONTH, -1);
        startCalendar.set(Calendar.DAY_OF_MONTH, 1);
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.add(Calendar.MONTH, -1);
        endCalendar.set(Calendar.DAY_OF_MONTH, endCalendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        setMaxTime(endCalendar);

        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }

    /**
     * 获取上个季度的时间范围
     */
    public static DateRange getLastQuarter() {
        Calendar startCalendar = Calendar.getInstance();
        startCalendar.set(Calendar.MONTH, ((int) startCalendar.get(Calendar.MONTH) / 3 - 1) * 3);
        startCalendar.set(Calendar.DAY_OF_MONTH, 1);
        setMinTime(startCalendar);

        Calendar endCalendar = Calendar.getInstance();
        endCalendar.set(Calendar.MONTH, ((int) endCalendar.get(Calendar.MONTH) / 3 - 1) * 3 + 2);
        endCalendar.set(Calendar.DAY_OF_MONTH, endCalendar.getActualMaximum(Calendar.DAY_OF_MONTH));
        setMaxTime(endCalendar);

        return new DateRange(startCalendar.getTime(), endCalendar.getTime());
    }

    private static void setMinTime(Calendar calendar){
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
    }

    private static void setMaxTime(Calendar calendar){
        calendar.set(Calendar.HOUR_OF_DAY, calendar.getActualMaximum(Calendar.HOUR_OF_DAY));
        calendar.set(Calendar.MINUTE, calendar.getActualMaximum(Calendar.MINUTE));
        calendar.set(Calendar.SECOND, calendar.getActualMaximum(Calendar.SECOND));
        calendar.set(Calendar.MILLISECOND, calendar.getActualMaximum(Calendar.MILLISECOND));
    }


    /**
     * 通过时间秒毫秒数判断两个时间的间隔
     * @param date1
     * @param date2
     * @return
     */
    public static int differentDaysByMillisecond(Date date1, Date date2) {
        int days = (int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24));
        return days;
    }


    /**
     * 增加 LocalDateTime ==> Date
     */
    public static Date toDate(LocalDateTime temporalAccessor)
    {
        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 增加 LocalDate ==> Date
     */
    public static Date toDate(LocalDate temporalAccessor)
    {
        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }


    public static boolean dateCompare(Date beginDate, Date endDate) {
        if(null == beginDate || null == endDate) return false;
        // endDate > beginDate
        if (endDate.getTime() > beginDate.getTime()) {
            return true;
        }
        return false;
    }


    //获取第二天返钱时间
    public static Date getNextMoneyDate()
    {
        Date date = dateTime(DateUtils.YYYY_MM_DD, getDate());
        return DateUtils.getBeforeOrAfterDate(date, 1);
    }

}