package com.ycl.utils;

import org.apache.commons.lang3.time.DateFormatUtils;
import org.glassfish.jaxb.core.v2.TODO;

import javax.annotation.Nullable;
import java.lang.management.ManagementFactory;
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.util.Calendar;
import java.util.Date;
import java.util.Objects;

/**
 * 时间工具类
 *
 * @author ruoyi
 */
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 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 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)));
    }

    /**
     * 计算相差小时
     */
    public static int differentHoursByMillisecond(Date date1, Date date2)
    {
        return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600)));
    }

    /**
     * 计算时间差
     *
     * @param endDate 最后时间
     * @param startTime 开始时间
     * @return 时间差（天/小时/分钟）
     */
    public static String timeDistance(Date endDate, Date startTime)
    {
        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() - startTime.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());
    }


    /**
     * 获取某天的开始时间
     *
     * @param date
     * @return 2023-01-01 00:00:00
     */
    public static Date getDayStart(@Nullable Date date) {
        if (Objects.isNull(date)) {
            date = new Date();
        }
        LocalDateTime localDateTime = LocalDateTime.ofInstant(date.toInstant(), ZoneId.of("GMT+8"));
        LocalDateTime of = LocalDateTime.of(localDateTime.getYear(), localDateTime.getMonth(), localDateTime.getDayOfMonth(), 0, 0, 0);
        return Timestamp.valueOf(of);
    }

    /**
     * 获取某天的结束时间
     *
     * @param date
     * @return 2023-01-01 23:59:59
     */
    public static Date getDayEnd(@Nullable Date date) {
        if (Objects.isNull(date)) {
            date = new Date();
        }
        LocalDateTime localDateTime = LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault());
        LocalDateTime of = LocalDateTime.of(localDateTime.getYear(), localDateTime.getMonth(), localDateTime.getDayOfMonth(), 23, 59, 59);
        return Timestamp.valueOf(of);
    }

    /**
     * 获取某月开始日期
     */
    public static String getMouthStart(@Nullable Date date) {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Calendar c = Calendar.getInstance();
        if (date != null) {
            c.setTime(date); // 如果date不为null，则设置Calendar的日期为date
        }
        c.set(Calendar.DAY_OF_MONTH,1);
        return df.format(c.getTime());
    }

    /**
     * 获取某月结束日期
     */
    public static String getMouthEnd(@Nullable Date date) {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd");
        Calendar c = Calendar.getInstance();
        if (date != null) {
            c.setTime(date); // 如果date不为null，则设置Calendar的日期为date
        }
        c.set(Calendar.DAY_OF_MONTH, c.getActualMaximum(Calendar.DAY_OF_MONTH));
        return df.format(c.getTime());
    }
    /**
     * 获取指定Calendar的季度开始日期
      * @param calendar 日历
     * @return 季度第一天
     */
    public static Calendar getQuarterStart(Calendar calendar) {
        Calendar quarterStart = (Calendar) calendar.clone();
        // 设置为当前季度的第一个月的第一天
        quarterStart.set(Calendar.DAY_OF_MONTH, 1);
        int month = quarterStart.get(Calendar.MONTH);
        quarterStart.set(Calendar.MONTH, (month / 3) * 3);
        return quarterStart;
    }

    /**
     * 获取指定Calendar的季度结束日期
     * @param calendar 日历
     * @return 季度最后一天
     */
    public static Calendar getQuarterEnd(Calendar calendar) {
        Calendar quarterEnd = getQuarterStart(calendar);
        // 将月份设置为下一个季度的第一个月
        quarterEnd.add(Calendar.MONTH, 3);
        // 设置为那个月的最后一天
        quarterEnd.add(Calendar.DAY_OF_MONTH, -1);
        return quarterEnd;
    }


    public static Date getDay(int year,int month,int day) {
        // 获取Calendar实例，默认使用当前时区和语言环境
        Calendar calendar = Calendar.getInstance();
        // 清除Calendar中的所有字段值，以避免它们对当前日期时间有影响
        calendar.clear();
        // 设置年份、月份（注意：月份是从0开始的，所以8月是7）、日期
        calendar.set(Calendar.YEAR, year);
        calendar.set(Calendar.MONTH, month);
        calendar.set(Calendar.DAY_OF_MONTH, day);
        // Calendar.getTime()方法返回一个表示此Calendar时间值的Date对象
        Date date = calendar.getTime();
        return date;
    }
    public static Integer getDayOfMonth(Date date) {
        // 创建一个Calendar对象并设置为当前日期和时间
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);
        // 获取当前日期是当月中的第几天
        return calendar.get(Calendar.DAY_OF_MONTH);
    }
}