package com.glxp.mipsdl.util;


import cn.hutool.core.date.format.FastDateFormat;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import lombok.extern.slf4j.Slf4j;

import java.lang.management.ManagementFactory;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.*;

@Slf4j
public class DateUtil {

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM-dd HH", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM/dd HH", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM.dd HH", "yyyy.MM",
            "yyyy年MM月dd日", "yyyy年MM月dd日 HH时mm分ss秒", "yyyy年MM月dd日 HH时mm分", "yyyy年MM月dd日 HH时", "yyyy年MM月",
            "yyyy"};

    /**
     * 得到日期字符串 ，转换格式（yyyy-MM-dd）
     */
    public static String formatDate(Date date) {
        return formatDate(date, "yyyy-MM-dd");
    }

    /**
     * 得到日期字符串 默认格式（yyyy-MM-dd） pattern可以为："yyyy-MM-dd" "HH:mm:ss" "E"
     */
    public static String formatDate(long dateTime, String pattern) {
        return formatDate(new Date(dateTime), pattern);
    }

    /**
     * 得到日期字符串 默认格式（yyyy-MM-dd） pattern可以为："yyyy-MM-dd" "HH:mm:ss" "E"
     */
    public static String formatDate(Date date, String pattern) {
        String formatDate = null;
        if (date != null) {
//            if (StringUtils.isNotBlank(pattern)) {
//                formatDate = DateFormatUtils.format(date, pattern);
//            } else {
//                formatDate = DateFormatUtils.format(date, "yyyy-MM-dd");
//            }
            if (StringUtils.isBlank(pattern)) {
                pattern = "yyyy-MM-dd";
            }
            formatDate = FastDateFormat.getInstance(pattern).format(date);
        }
        return formatDate;
    }

    /**
     * 得到日期时间字符串，转换格式（yyyy-MM-dd HH:mm:ss）
     */
    public static String formatDateTime(Date date) {
        Date currentTime = date;
        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String dateString = formatter.format(currentTime);
        return dateString;
    }

    /**
     * 得到当前日期字符串 格式（yyyy-MM-dd）
     */
    public static String getDate() {
        return getDate("yyyy-MM-dd");
    }

    /**
     * 得到当前日期字符串 格式（yyyy-MM-dd） pattern可以为："yyyy-MM-dd" "HH:mm:ss" "E"
     */
    public static String getDate(String pattern) {
//        return DateFormatUtils.format(new Date(), pattern);
        return FastDateFormat.getInstance(pattern).format(new Date());
    }

    /**
     * 得到当前日期前后多少天，月，年的日期字符串
     *
     * @param pattern 格式（yyyy-MM-dd） pattern可以为："yyyy-MM-dd" "HH:mm:ss" "E"
     * @param amont   数量，前为负数，后为正数
     * @param type    类型，可参考Calendar的常量(如：Calendar.HOUR、Calendar.MINUTE、Calendar.SECOND)
     * @return
     */
    public static String getDate(String pattern, int amont, int type) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(new Date());
        calendar.add(type, amont);
//        return DateFormatUtils.format(calendar.getTime(), pattern);
        return FastDateFormat.getInstance(pattern).format(calendar.getTime());
    }

    /**
     * 得到当前时间字符串 格式（HH:mm:ss）
     */
    public static String getTime() {
        return formatDate(new Date(), "HH:mm:ss");
    }

    /**
     * 得到当前日期和时间字符串 格式（yyyy-MM-dd HH:mm:ss）
     */
    public static String getDateTime() {
        return formatDate(new Date(), "yyyy-MM-dd HH:mm:ss");
    }

    /**
     * 得到当前年份字符串 格式（yyyy）
     */
    public static String getYear() {
        return formatDate(new Date(), "yyyy");
    }

    /**
     * 得到当前月份字符串 格式（MM）
     */
    public static String getMonth() {
        return formatDate(new Date(), "MM");
    }

    /**
     * 得到当天字符串 格式（dd）
     */
    public static String getDay() {
        return formatDate(new Date(), "dd");
    }

    /**
     * 得到当前星期字符串 格式（E）星期几
     */
    public static String getWeek() {
        return formatDate(new Date(), "E");
    }

    /**
     * 日期型字符串转化为日期 格式   see to DateUtils#parsePatterns
     */
    public static Date parseDate(Object str) {
        if (str == null) {
            return null;
        }
        try {
            return cn.hutool.core.date.DateUtil.parse(str.toString());
        } catch (Exception e) {
            log.error("解析时间字符串异常", e);
            return null;
        }
    }


    /**
     * 获取过去的天数
     *
     * @param date
     * @return
     */
    public static long pastDays(Date date) {
        long t = System.currentTimeMillis() - date.getTime();
        return t / (24 * 60 * 60 * 1000);
    }


    /**
     * 获取过去的小时
     *
     * @param date
     * @return
     */
    public static long pastHour(Date date) {
        long t = System.currentTimeMillis() - date.getTime();
        return t / (60 * 60 * 1000);
    }

    /**
     * 获取过去的分钟
     *
     * @param date
     * @return
     */
    public static long pastMinutes(Date date) {
        long t = System.currentTimeMillis() - date.getTime();
        return t / (60 * 1000);
    }

    /**
     * 获取过去的秒
     *
     * @param date
     * @return
     */
    public static long pastSecond(Date date) {
        long t = System.currentTimeMillis() - date.getTime();
        return t / (1000);
    }

    /**
     * 获取两个日期之间的天数
     *
     * @param before
     * @param after
     * @return
     */
    public static double getDistanceOfTwoDate(Date before, Date after) {
        long beforeTime = before.getTime();
        long afterTime = after.getTime();
        return (afterTime - beforeTime) / (1000 * 60 * 60 * 24);
    }

    /**
     * 获取某月有几天
     *
     * @param date 日期
     * @return 天数
     */
    public static int getMonthHasDays(Date date) {
//        String yyyyMM = new SimpleDateFormat("yyyyMM").format(date);
        String yyyyMM = FastDateFormat.getInstance("yyyyMM").format(date);
        String year = yyyyMM.substring(0, 4);
        String month = yyyyMM.substring(4, 6);
        String day31 = ",01,03,05,07,08,10,12,";
        String day30 = "04,06,09,11";
        int day = 0;
        if (day31.contains(month)) {
            day = 31;
        } else if (day30.contains(month)) {
            day = 30;
        } else {
            int y = Integer.parseInt(year);
            if ((y % 4 == 0 && (y % 100 != 0)) || y % 400 == 0) {
                day = 29;
            } else {
                day = 28;
            }
        }
        return day;
    }

    /**
     * 获取日期是当年的第几周
     *
     * @param date
     * @return
     */
    public static int getWeekOfYear(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return cal.get(Calendar.WEEK_OF_YEAR);
    }

    /**
     * 获取一天的开始时间（如：2015-11-3 00:00:00.000）
     *
     * @param date 日期
     * @return
     */
    public static Date getOfDayFirst(Date date) {
        if (date == null) {
            return null;
        }
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
        return calendar.getTime();
    }

    /**
     * 获取一天的最后时间（如：2015-11-3 23:59:59.999）
     *
     * @param date 日期
     * @return
     */
    public static Date getOfDayLast(Date date) {
        if (date == null) {
            return null;
        }
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR, 23);
        calendar.set(Calendar.MINUTE, 59);
        calendar.set(Calendar.SECOND, 59);
        calendar.set(Calendar.MILLISECOND, 999);
        return calendar.getTime();
    }

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

    public static final int SECONDS_IN_DAY = 60 * 60 * 24;
    public static final long MILLIS_IN_DAY = 1000L * SECONDS_IN_DAY;

    public static boolean isSameDayOfMillis(final long ms1, final long ms2) {
        final long interval = ms1 - ms2;
        return interval < MILLIS_IN_DAY
                && interval > -1L * MILLIS_IN_DAY
                && toDay(ms1) == toDay(ms2);
    }

    private static long toDay(long millis) {
        return (millis + TimeZone.getDefault().getOffset(millis)) / MILLIS_IN_DAY;
    }

    /**
     * 给时间加上几个小时
     *
     * @param date 时间
     * @param hour 需要加的时间
     * @return
     */
    public static String addDateMinut(Date date, int hour) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.add(Calendar.HOUR, hour);// 24小时制
        date = cal.getTime();
        cal = null;
        return format.format(date);
    }

    /**
     * 给时间加上几个小时
     *
     * @param date 时间
     * @param hour 需要加的时间
     * @return DATE
     */
    public static Date addDate(Date date, int hour) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        cal.add(Calendar.HOUR, hour);// 24小时制
        date = cal.getTime();
        cal = null;
        return date;
    }

    /**
     * 日期比较
     *
     * @param date1 日期参数1
     * @param date2 日期参数2
     * @return 1 date1>date2;-1 date1<date2;0 date1=date2
     */
    public static int compareDate(String date1, String date2) {
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            Date dt1 = df.parse(date1);
            Date dt2 = df.parse(date2);
            if (dt1.getTime() > dt2.getTime()) {
                return 1;
            } else if (dt1.getTime() < dt2.getTime()) {
                return -1;
            } else {
                return 0;
            }
        } catch (Exception exception) {
            exception.printStackTrace();
        }
        return 0;
    }

    /**
     * 获取昨天开始时间和结束时间
     *
     * @return
     */
    public static Map getYesterdayRange() {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Map condition = new HashMap();
        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.MILLISECOND, 0);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        condition.put("endDate", df.format(calendar.getTime()));
        calendar.set(Calendar.HOUR_OF_DAY, -24);
        condition.put("startDate", df.format(calendar.getTime()));
        return condition;
    }

    /**
     * 获得近一周的开始时间和结束时间
     *
     * @return
     */
    public static Map getDaySevenRange() {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Map condition = new HashMap();
        Calendar calendar = Calendar.getInstance();
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        calendar.set(Calendar.HOUR_OF_DAY, 24);
        condition.put("endDate", df.format(calendar.getTime()));
        calendar.set(Calendar.HOUR_OF_DAY, -168);
        condition.put("startDate", df.format(calendar.getTime()));
        return condition;
    }

    /**
     * 获得近一月的开始时间和结束时间
     *
     * @return
     */
    public static Map getDayTRange() {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Map condition = new HashMap();
        Calendar calendar = Calendar.getInstance();
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        calendar.set(Calendar.HOUR_OF_DAY, 24);
        condition.put("endDate", df.format(calendar.getTime()));
        calendar.set(Calendar.HOUR_OF_DAY, -720);
        condition.put("startDate", df.format(calendar.getTime()));
        return condition;
    }

    /**
     * 获得近一年的开始时间和结束时间
     *
     * @return
     */
    public static Map getYearTRange() {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Map condition = new HashMap();
        Calendar calendar = Calendar.getInstance();
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        calendar.set(Calendar.HOUR_OF_DAY, 24);
        condition.put("endDate", df.format(calendar.getTime()));
        calendar.set(Calendar.HOUR_OF_DAY, -8640);
        condition.put("startDate", df.format(calendar.getTime()));
        return condition;
    }

    public static Map getDayRange(int day) {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Map condition = new HashMap();
        Calendar calendar = Calendar.getInstance();
        calendar.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
        calendar.set(Calendar.HOUR_OF_DAY, 24);
        condition.put("endDate", df.format(calendar.getTime()));
        calendar.set(Calendar.HOUR_OF_DAY, -(24 * day));
        condition.put("startDate", df.format(calendar.getTime()));
        return condition;
    }

    public static String formatExpireTime(String str) {
        if (StrUtil.isEmpty(str))
            return null;
        try {
            Date date = cn.hutool.core.date.DateUtil.parse(str, "yyyyMMdd");
            return formatDate(date, "yyyy-MM-dd");
        } catch (Exception e) {
            log.error("解析过期时间异常，时间：{}", str);
        }
        return str;
    }

    public static String timeStampToDate(long timestamp) {
        Date date = new Date(timestamp);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String formattedDate = sdf.format(date);
        return formattedDate;
    }
}