/*
 * Copyright 2022-2025 兮玥(190785909@qq.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.chestnut.common.utils;

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.Calendar;
import java.util.Date;

/**
 * 时间工具类
 *
 * @author 兮玥
 * @email 190785909@qq.com
 */
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 YYYYMMDDHH = "yyyyMMddHH";

	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" };
	
	public static DateTimeFormatter FORMAT_YYYY_MM_DD_HH_MM_SS = DateTimeFormatter.ofPattern(YYYY_MM_DD_HH_MM_SS);
	
	public static DateTimeFormatter FORMAT_YYYY_MM_DD = DateTimeFormatter.ofPattern(YYYY_MM_DD);

	public static DateTimeFormatter FORMAT_YYYYMMDDHH = DateTimeFormatter.ofPattern(YYYYMMDDHH);

	public static DateTimeFormatter FORMAT_YYYYMMDD = DateTimeFormatter.ofPattern(YYYYMMDD);

	/**
	 * 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 getDateTime() {
		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 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);
	}

	/**
	 * 计算相差天数
	 */
	public static int differentDaysByMillisecond(Date date1, Date date2) {
		return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
	}

	/**
	 * 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";
	}

	/**
	 * 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());
	}
	
	/**
	 * 返回指定日期的23:59:59
	 * 
	 * @param temporalAccessor
	 * @return
	 */
	public static Date toDayEnd(LocalDate temporalAccessor) {
		LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(23, 59, 59));
		ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
		return Date.from(zdt.toInstant());
	}
	
	/**
	 * 修改指定日期的时间到23:59:59
	 * @param date
	 * @return
	 */
	public static Date toDayEnd(Date date) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        calendar.set(Calendar.HOUR_OF_DAY, 23);
        calendar.set(Calendar.MINUTE, 59);
        calendar.set(Calendar.SECOND, 59);
        return calendar.getTime();
    }
	
	/**
	 * 获取今日起始0点
	 * 
	 * @return
	 */
	public static LocalDateTime getTodayStart() {
		return getDayStart(LocalDateTime.now());
	}
	
	/**
	 * 获取指定时间当天的0点
	 * 
	 * @param time
	 * @return
	 */
	public static LocalDateTime getDayStart(LocalDateTime time) {
		return LocalDateTime.of(time.getYear(), time.getMonthValue(), time.getDayOfMonth(), 0, 0, 0);
	}

	/**
	 * 当日时间加上seconds秒
	 * 
	 * @param seconds
	 * @return
	 */
	public static Date plusSeconds(long seconds) {
		return plusSeconds(LocalDateTime.now(), seconds);
	}

	/**
	 * 指定时间加上seconds
	 * 
	 * @param localDateTime
	 * @param seconds
	 * @return
	 */
	public static Date plusSeconds(LocalDateTime localDateTime, long seconds) {
		return Date.from(localDateTime.plusSeconds(seconds).atZone(ZoneId.systemDefault()).toInstant());
	}

	public static LocalDateTime epochMilliToLocalDateTime(long epochMilli) {
		return LocalDateTime.ofInstant(Instant.ofEpochMilli(epochMilli), ZoneId.systemDefault());
	}

	/**
	 * 当前时间是否在指定时间范围内
	 * 
	 * @param startTime
	 * @param endTime
	 * @return
	 */
	public static boolean isNowBetween(LocalDateTime startTime, LocalDateTime endTime) {
		LocalDateTime now = LocalDateTime.now();
		return startTime.isBefore(now) && endTime.isAfter(now);
	}
}
