package com.zhongzheng.common.utils;

import cn.hutool.core.lang.Validator;
import org.apache.commons.lang3.RandomStringUtils;
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.time.format.DateTimeFormatter;
import java.util.*;

/**
 * 时间工具类
 *
 * @author zhongzheng
 */
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 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 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 parseDateToStr(final String format, final Date date)
    {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTimeThrow(final String format, final String ts) throws ParseException {
        return new SimpleDateFormat(format).parse(ts);
    }

    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);
        }
    }

    public static final Long dateTimeSec(final String format, final String ts)
    {
        try
        {
            return (new SimpleDateFormat(format).parse(ts)).getTime()/1000;
        }
        catch (ParseException e)
        {

            throw new RuntimeException(e);
        }
    }

    public static String timestampToDateFormat(Long times){
        if(Validator.isEmpty(times)){
            return "";
        }
        long t = times.longValue();
        t = t * 1000;
        Date date = new Date(t);
        return DateFormatUtils.format(date, "yyyy/MM/dd");
    }

    public static Date timeToDate(Long times){
        long t = times.longValue();
        t = t * 1000;
        return new Date(t);
    }

    public static String timestampToDateFormatMonth(Long times){
        if(Validator.isEmpty(times)){
            return "";
        }
        long t = times.longValue();
        t = t * 1000;
        Date date = new Date(t);
        return DateFormatUtils.format(date, "MM月dd号");
    }

    public static String timestampToDateFormatMonthTwo(Long times){
        if(Validator.isEmpty(times)){
            return "";
        }
        long t = times.longValue();
        t = t * 1000;
        Date date = new Date(t);
        return DateFormatUtils.format(date, "MM.dd");
    }

    public static String timestampToDateFormat(Long times,String patternStr){
        if(Validator.isEmpty(times)){
            return "";
        }
        long t = times.longValue();
        t = t * 1000;
        Date date = new Date(t);
        return DateFormatUtils.format(date, patternStr);
    }


    /**
     * 将秒转为时分秒格式【01:01:01】
     * @param second 需要转化的秒数
     * @return
     */
    public static String secondConvertHourMinSecond(Long second) {
        String str = "";
        if (second == null || second < 0) {
            return str;
        }

        // 得到小时
        long h = second / 3600;
        str = h > 0 ? ((h < 10 ? ("0" + h) : h) + "时") : "";

        // 得到分钟
        long m = (second % 3600) / 60;
        str += m > 0? (m < 10 ? ("0" + m) : m) + "分":"";

        //得到剩余秒
        long s = second % 60;
        str += s > 0?(s < 10 ? ("0" + s) : s)+"秒":"";
        return str;
    }

    public static String timestampToDate(Long times){
        if(Validator.isEmpty(times)){
            return "";
        }
        long t = times.longValue();
        t = t * 1000;
        Date date = new Date(t);
        return dateTime(date);
    }

    /**
     * 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";
    }

    public static Long getNowTime()
    {
        return System.currentTimeMillis()/1000;
    }

    /**
     * 获取今天凌晨时间戳
     */
    public static Long getTodayZeroTime()
    {
        Calendar cal = Calendar.getInstance();
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        return cal.getTimeInMillis() / 1000;  //今天凌晨
    }

    /**
     * 获取指定时间的凌晨时间戳
     */
    public static Long getScheduleTimeStrZeroTime(String timeStr,String patternStr)
    {
        Long time = dateTimeSec(patternStr,timeStr);
        Calendar cal = Calendar.getInstance();
        cal.setTime(timeToDate(time));
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        return cal.getTimeInMillis() / 1000;  //今天凌晨
    }

    /**
     * 获取指定时间的凌晨时间戳
     */
    public static Long getScheduleTimeZeroTime(Long scheduleTime)
    {
        Calendar cal = Calendar.getInstance();
        cal.setTime(timeToDate(scheduleTime));
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        return cal.getTimeInMillis() / 1000;  //今天凌晨
    }

    public static String formatDate(Date time,String str)
    {
       SimpleDateFormat sdf = new SimpleDateFormat(str);
        return sdf.format(time);
    }

    /**
     * 获取明天凌晨时间戳
     */
    public static Long getTomorrowZeroTime()
    {
        Calendar cal = Calendar.getInstance();
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        Calendar cal1 = Calendar.getInstance();
        cal1.setTime(cal.getTime());
        cal1.add(Calendar.DAY_OF_MONTH , +1);
        return cal1.getTimeInMillis() / 1000; //明天凌晨
    }

    /**
     * 获取当月第一天的凌晨时间戳
     */
    public static Long getToMonthZeroTime()
    {
        Calendar cal = Calendar.getInstance();
        cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), 1, 0, 0, 0);
        return cal.getTime().getTime()/1000;
    }

    /**
     * 获取本年第一天的凌晨时间戳
     */
    public static Long getToYearZeroTime()
    {
        Calendar calendar = Calendar.getInstance();
        // 设置当前时间为年初的第一天
        calendar.set(Calendar.DAY_OF_YEAR, 1);
        Date startOfCurrentYear = calendar.getTime();
        return startOfCurrentYear.getTime()/1000;
    }

    /**
     * 根据当前日期获得所在周的日期区间（周一和周日日期）
     */
    public static Map<String, Long> getTimeInterval(Date date){
        Map<String, Long> map = new HashMap<>();
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        // 判断要计算的日期是否是周日，如果是则减一天计算周六的，否则会出问题，计算到下一周去了
        int dayWeek = cal.get(Calendar.DAY_OF_WEEK);// 获得当前日期是一个星期的第几天
        if(1 == dayWeek){
            cal.add(Calendar.DAY_OF_MONTH,-1);
        }
        // 设置一个星期的第一天，按中国的习惯一个星期的第一天是星期一
        cal.setFirstDayOfWeek(Calendar.MONDAY);
        // 获得当前日期是一个星期的第几天
        int day = cal.get(Calendar.DAY_OF_WEEK);
        // 根据日历的规则，给当前日期减去星期几与一个星期第一天的差值
        cal.add(Calendar.DATE, cal.getFirstDayOfWeek() - day);
        Long imptimeBegin = cal.getTime().getTime();
        cal.add(Calendar.DATE,6);
        Long imptimeEnd = cal.getTime().getTime();
        map.put("start", imptimeBegin/1000);
        map.put("end", imptimeEnd/1000);
        return map;
    }


    /**
     * 根据当前日期获得上周的日期区间（上周周一和周日日期）
     */
    public static Map<String, Long> getLastTimeInterval(Date date){
        Map<String, Long> map = new HashMap<>();
        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
        Long lastBeginDate = calendar1.getTime().getTime();
        // last Sunday
        Long lastEndDate = calendar2.getTime().getTime();
        map.put("laststart", lastBeginDate/1000);
        map.put("lastend", lastEndDate/1000);
        return map;
    }

    /**
     * 获取日期格式订单号
     * @return
     */
    public static String getDateOrderSn()
    {
        DateTimeFormatter ofPattern = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
        String localDate = (LocalDateTime.now().format(ofPattern)).substring(2);
        //随机数
        String randomNumeric = RandomStringUtils.randomNumeric(8);
        return localDate+randomNumeric;
    }

    public static String getDateInputOrderSn()
    {
        return "LD"+getDateOrderSn();
    }


    public static String getPayOrderSn()
    {
        return "P"+getDateOrderSn();
    }

    public static String getInvoiceOrderSn()
    {
        DateTimeFormatter ofPattern = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
        String localDate = (LocalDateTime.now().format(ofPattern)).substring(2);
        //随机数
        String randomNumeric = RandomStringUtils.randomNumeric(4);
        return "IN"+localDate+randomNumeric;

    }

    public static String getTagOrderSn(String tag)
    {
        return tag+getDateOrderSn();
    }

    public static String secToTime(int time) {
        String timeStr = null;
        int hour = 0;
        int minute = 0;
        int second = 0;
        if (time <= 0)
            return "00:00";
        else {
            minute = time / 60;
            if (minute < 60) {
                second = time % 60;
                timeStr = "00:"+unitFormat(minute) + ":" + unitFormat(second);
            } else {
                hour = minute / 60;
                if (hour > 99){
                    return "99:59:59";
                }
                minute = minute % 60;
                second = time - hour * 3600 - minute * 60;
                timeStr = unitFormat(hour) + ":" + unitFormat(minute) + ":" + unitFormat(second);
            }
        }
        return timeStr;
    }

    public static String unitFormat(int i) {
        String retStr = null;
        if (i >= 0 && i < 10)
            retStr = "0" + Integer.toString(i);
        else
            retStr = "" + i;
        return retStr;
    }

    public static Integer durationFormat(String duration) {
        int index1=duration.indexOf(":");
        int index2=duration.indexOf(":",index1+1);
        int hh=Integer.parseInt(duration.substring(0,index1));
        int mi=Integer.parseInt(duration.substring(index1+1,index2));
        int ss=Integer.parseInt(duration.substring(index2+1));
        return hh*60*60+mi*60+ss;
    }

    public static Integer dayBetween(Long s1,Long s2) {
        String date1str = timestampToDateFormat(s1);
        String date2str = timestampToDateFormat(s2);
        int count = 0;
        if("".equals(date1str) || date1str == null || "".equals(date2str) || date2str == null) {
            return count;
        }
        SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd");
       try {
           Date date1 = format.parse(date1str);
           Date date2 = format.parse(date2str);
           count = ((int) ((date1.getTime() - date2.getTime()) / (1000*3600*24)));
           return count;
        }catch (Exception e){
           return null;
       }
    }

    public static  Integer getTodayWeek(){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(new Date());
        int weekIdx = calendar.get(Calendar.DAY_OF_WEEK) - 1;
        switch (weekIdx) {
            case 1:
                return 1;
            case 2:
                return 2;
            case 3:
                return 3;
            case 4:
                return 4;
            case 5:
                return 5;
            case 6:
                return 6;
            default:
                return 7;
        }
    }


    public static LocalDate[] getDateArray() {
        // 创建一个长度为30的数组
        LocalDate[] dates = new LocalDate[30];
        // 获取今天的日期
        LocalDate today = LocalDate.now();
        // 用循环给数组赋值
        for (int i = 0; i < dates.length; i++) {
            // 用today.plusDays(i)得到第i天的日期
            dates[i] = today.plusDays(i);
        }
        // 返回数组
        return dates;
    }

    static List<String> holiday =new ArrayList<>();
    static List<String> extraWorkDay =new ArrayList<>();
    public static Boolean isWorkingDay(long time) {
        LocalDateTime dateTime = LocalDateTime.ofInstant(Instant.ofEpochMilli(time), ZoneOffset.of("+8"));
        String formatTime = dateTime.format(DateTimeFormatter.ofPattern("yyyy-MM-dd"));
        initHoliday();
        initExtraWorkDay();
        //是否加班日
        if(extraWorkDay.contains(formatTime)){
            return true;
        }
        //是否节假日
        if(holiday.contains(formatTime)){
            return false;
        }
        //如果是1-5表示周一到周五  是工作日
        DayOfWeek week = dateTime.getDayOfWeek();
        if(week==DayOfWeek.SATURDAY||week==DayOfWeek.SUNDAY){
            return false;
        }
        return true;

    }

    /**
     *  初始化节假日
     */
    public static void initHoliday(){
        holiday.add("2023-06-22");
        holiday.add("2023-06-23");
        holiday.add("2023-09-29");
        holiday.add("2023-09-30");
        holiday.add("2023-10-01");
        holiday.add("2023-10-02");
        holiday.add("2023-10-03");
        holiday.add("2023-10-04");
        holiday.add("2023-10-05");
        holiday.add("2023-10-06");
    }
    /**
     *  初始化额外加班日
     */
    public static void initExtraWorkDay(){
        extraWorkDay.add("2023-06-25");
        extraWorkDay.add("2023-10-07");
        extraWorkDay.add("2023-10-08");
    }


    public static Long getAppointTime(Long millisecond, Integer day) {
        for (Integer i = 0; i < day; i++) {
            Long dayAfter = getDayBefore(millisecond, 1);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(timeToDate(dayAfter));
            int index = calendar.get(Calendar.DAY_OF_WEEK) - 1;
            String[] weeks = new String[]{"星期天", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"};

            if (weeks[index].equals("星期六") || weeks[index].equals("星期天")) {
                day += 1;

            }
            //判断当前是否为工作日
            if (!isWorkingDay(dayAfter)) {
                day += 1;
            }
            millisecond = dayAfter;
        }

        return millisecond;
    }

    /**
     * 指定时间往前或往后推n天
     *
     * @param dateTime 指定时间
     * @param x 指定天数
     * @return
     */
    public static Long getDayBefore(Long dateTime, int x) {
        Calendar c = Calendar.getInstance();
        Date date = new Date(dateTime*1000);
        c.setTime(date);
        int day = c.get(Calendar.DATE);
        c.set(Calendar.DATE, day - x);    //往前推几天
        //c.set(Calendar.DATE, day + x);  往后推几天
        return c.getTime().getTime()/1000;
    }

    /**
     * 指定时间往前或往后推n天
     *
     * @param dateTime 指定时间
     * @param x 指定天数
     * @return
     */
    public static Long getDayAfter(Long dateTime, int x) {
        Calendar c = Calendar.getInstance();
        Date date = new Date(dateTime*1000);
        c.setTime(date);
        int day = c.get(Calendar.DATE);
//        c.set(Calendar.DATE, day - x);    //往前推几天
        c.set(Calendar.DATE, day + x);  //往后推几天
        return c.getTime().getTime()/1000;
    }


    public static List<Long> getWeekData(Long dataTime){
        List<Long> week = new ArrayList();
        Calendar calendar = Calendar.getInstance();
        Long zeroTime = DateUtils.getScheduleTimeZeroTime(dataTime);
        calendar.setTime(timeToDate(zeroTime));
        // 如果是周日
        if (calendar.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
            calendar.add(Calendar.DAY_OF_YEAR,-1);
        }
        // 获取当前日期是当周的第i天
        int i = calendar.get(Calendar.DAY_OF_WEEK) - 1;
         // 获取当前日期所在周的第一天
        calendar.add(Calendar.DATE , -i);

        for (int j = 0; j < 7; j++) {
            if(j >0){
                calendar.add(Calendar.DATE , 1);
            }
            Long time = calendar.getTime().getTime()/1000;
            if (j == 6){
                time = time + 86400L;
            }
            week.add(time);
        }
        return week;
    }


    public static Map<Long,Long> getWeekTime(Long startTime,Long endTime){
        Map<Long,Long> mapList = new LinkedHashMap<>();
        Long zeroTime = DateUtils.getScheduleTimeZeroTime(startTime);
        //一天的时间戳
        Long time = 86400L;
        for (Long i = zeroTime; i <= endTime; i = i+time) {
            List<Long> weekData = DateUtils.getWeekData(i);
            mapList.put(weekData.get(0),weekData.get(weekData.size()-1));
        }
        return mapList;
    }

    public static Map<Long,Long> getMonthTime(Long startTime,Long endTime){
        //一天的时间戳
        Long time = 86400L;
        Map<Long,Long> map = new  LinkedHashMap<>();
        try{
            SimpleDateFormat format = new SimpleDateFormat("yyyy-MM");
            Date d1 = DateUtils.timeToDate(startTime);
            Date d2 = DateUtils.timeToDate(endTime);
            Calendar dd = Calendar.getInstance();//定义日期实例
            dd.setTime(d1);//设置日期起始时间
            while (dd.getTime().before(d2)) {//判断是否到结束日期
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");
                String str = sdf.format(dd.getTime());
                Calendar c = Calendar.getInstance();
                c.setTime(format.parse(str));
                c.add(Calendar.MONTH, 0);
                c.set(Calendar.DAY_OF_MONTH,1);//设置为1号,当前日期既为本月第一天
                Long start = c.getTime().getTime()/1000;
                dd.setTime(DateUtils.timeToDate(start));
                //获取当前月最后一天
                Calendar ca = Calendar.getInstance();
                ca.setTime(format.parse(str));
                ca.set(Calendar.DAY_OF_MONTH, ca.getActualMaximum(Calendar.DAY_OF_MONTH));
                Long end = ca.getTime().getTime()/1000 + time;
                map.put(start,end);
                dd.add(Calendar.MONTH, 1);//进行当前日期月份加1
            }
        }catch (Exception e){
            System.out.println("异常"+e.getMessage());
        }
        return map;
    }

}