package org.jeecg.modules.mdc.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;

/**
 * Created by bigshow on 2015/9/14.
 */
public class TimeFieldUtils {

    private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 全局显示定义最省事安全


    /**
     * 指定日期的上一天
     *
     * @param date
     * @return
     */
    public static Date theLastDay(Date date) {
        if (date == null) {
            return null;
        }
        Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        cal.get(Calendar.HOUR_OF_DAY);
        cal.setTime(date);
        cal.add(Calendar.DATE, -1);
        cal.set(Calendar.HOUR, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        return cal.getTime();
    }

    /**
     * 指定日期的上一天
     *
     * @param dateStr
     * @return
     */
    public static Date theLastDay(String dateStr) {
        if (dateStr == null || dateStr.length() < 7) {
            return null;
        }
        try {
            Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
            cal.get(Calendar.HOUR_OF_DAY);
            cal.setTime(sdf.parse(dateStr + " 00:00:00"));
            cal.add(Calendar.DATE, -1);
            cal.set(Calendar.HOUR, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.SECOND, 0);
            return cal.getTime();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 指定日期的下一天
     *
     * @param date
     * @return
     */
    public static Date theNextDay(Date date) {
        if (date == null) {
            return null;
        }
        Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        cal.get(Calendar.HOUR_OF_DAY);
        cal.setTime(date);
        cal.add(Calendar.DATE, 1);
        cal.set(Calendar.HOUR, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        return cal.getTime();
    }

    /**
     * 指定日期的下一天
     *
     * @param dateStr
     * @return
     */
    public static Date theNextDay(String dateStr) {
        if (dateStr == null || dateStr.length() < 7) {
            return null;
        }
        try {
            Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
            cal.get(Calendar.HOUR_OF_DAY);
            cal.setTime(sdf.parse(dateStr + " 00:00:00"));
            cal.add(Calendar.DATE, 1);
            cal.set(Calendar.HOUR, 0);
            cal.set(Calendar.MINUTE, 0);
            cal.set(Calendar.SECOND, 0);
            return cal.getTime();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }


    /**
     * 判断两个日期是否同一天
     *
     * @param d1
     * @param d2
     * @return
     */
    public static boolean isEquals(Date d1, Date d2) {
        Calendar cal1 = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        cal1.get(Calendar.HOUR_OF_DAY);
        cal1.setTime(d1);
        cal1.get(Calendar.HOUR_OF_DAY);
        Calendar cal2 = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        cal2.get(Calendar.HOUR_OF_DAY);
        cal2.setTime(d2);
        cal2.get(Calendar.HOUR_OF_DAY);
        if (cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) && cal1.get(Calendar.MONTH) == cal2.get(Calendar.MONTH) && cal1.get(Calendar.DATE) == cal2.get(Calendar.DATE)) {
            return true;
        }
        return false;
    }

    /**
     * 指定日期的最大时间
     *
     * @param date
     * @return
     */
    public static Date theDayMaxTime(Date date) {
        if (date == null) {
            return null;
        }
        Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        cal.get(Calendar.HOUR_OF_DAY);
        cal.setTime(date);
        //cal.add(Calendar.DATE, 1);
        //cal.set(Calendar.HOUR, 0);
        //cal.set(Calendar.MINUTE, 0);
        //cal.set(Calendar.SECOND, 0);
        String maxTime = cal.get(Calendar.YEAR) + "-" + (cal.get(Calendar.MONTH) + 1) + "-" + cal.get(Calendar.DATE) + " 23:59:59";
        try {
            return sdf.parse(maxTime);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * 指定日期的最小时间
     *
     * @param date
     * @return
     */
    public static Date theDayMiniTime(Date date) {
        if (date == null) {
            return null;
        }
        Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        cal.get(Calendar.HOUR_OF_DAY);
        cal.setTime(date);
        cal.set(Calendar.HOUR, 0);
        cal.set(Calendar.MINUTE, 0);
        cal.set(Calendar.SECOND, 0);
        return cal.getTime();
    }

    /**
     * 计算两个时间间隔长度,单位秒
     *
     * @param lessTime
     * @param moreTime
     * @return
     */
    public static long duration(Date lessTime, Date moreTime) {
        Calendar lCal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        lCal.get(Calendar.HOUR_OF_DAY);
        lCal.setTime(lessTime);
        Calendar mCal = Calendar.getInstance(TimeZone.getTimeZone("GMT+8"), Locale.CHINA);
        lCal.get(Calendar.HOUR_OF_DAY);
        mCal.setTime(moreTime);
        long between = Math.round((mCal.getTime().getTime() - lCal.getTime().getTime()) / 1000.0);//转换成秒
        return between;
    }

    /**
     * 计算同一天 两个时间间隔长度,单位秒
     *
     * @param startStr
     * @param endStr
     * @return
     */
    public static long durationOneDay(String startStr, String endStr,String isDaySpan) {
       String[] strartArray = startStr.split(":");
        String[] endArray = endStr.split(":");
        Calendar start = Calendar.getInstance();
        Calendar end = Calendar.getInstance();
        start.set(Calendar.HOUR_OF_DAY,Integer.parseInt(strartArray[0]));
        start.set(Calendar.MINUTE,Integer.parseInt(strartArray[1]));
        start.set(Calendar.SECOND,Integer.parseInt(strartArray[2]));
        end.set(Calendar.HOUR_OF_DAY,Integer.parseInt(endArray[0]));
        end.set(Calendar.MINUTE,Integer.parseInt(endArray[1]));
        end.set(Calendar.SECOND,Integer.parseInt(endArray[2]));
        if("true".equals(isDaySpan)){
            end.add(Calendar.DAY_OF_YEAR,1);
        }
        return duration(start.getTime(),end.getTime());
    }
}