using System;

namespace FangYar.Common
{
    public static class TimeFormatter
    {

        /// 获取时间戳
        /// </summary>
        /// <returns></returns>
        public static string GetTimeStamp(System.DateTime time)
        {
            long ts = ConvertDateTimeToInt(time);
            return ts.ToString();
        }

        /// <summary>  
        /// 将c# DateTime时间格式转换为Unix时间戳格式  
        /// </summary>  
        /// <param name="time">时间</param>  
        /// <returns>long</returns>  
        public static long ConvertDateTimeToInt(System.DateTime time)
        {
            System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1, 0, 0, 0, 0));
            long t = (time.Ticks - startTime.Ticks) / 10000;   //除10000调整为13位      
            return t;
        }

        /// <summary>
        /// 计算两个日期的时间间隔
        /// </summary>
        /// <param name="datetimeone">第一个日期和时间</param>
        /// <param name="datetimesecond">第二个日期和时间</param>
        /// <returns></returns>
        public static string DateDiff(DateTime datetimeone, DateTime datetimesecond)
        {
            string dateDiff = null;
            TimeSpan ts1 = new TimeSpan(datetimeone.Ticks);
            TimeSpan ts2 = new TimeSpan(datetimesecond.Ticks);
            TimeSpan ts = ts1.Subtract(ts2).Duration();
            dateDiff = ts.Days.ToString() + "天"
                + ts.Hours.ToString() + "小时"
                + ts.Minutes.ToString() + "分钟"
                + ts.Seconds.ToString() + "秒";
            return dateDiff;


        }

        /// <summary>
        /// 计算两个日期的时间间隔,返回小时
        /// </summary>
        /// <param name="datetimeone">第一个日期和时间</param>
        /// <param name="datetimesecond">第二个日期和时间</param>
        /// <returns></returns>
        public static int DateDiffHours(DateTime datetimeone, DateTime datetimesecond)
        {
            TimeSpan ts1 = new TimeSpan(datetimeone.Ticks);
            TimeSpan ts2 = new TimeSpan(datetimesecond.Ticks);
            TimeSpan ts = ts1.Subtract(ts2).Duration();
            return ts.Hours;

        }

        /// <summary>
        /// 计算两个日期的时间间隔,返回分钟
        /// </summary>
        /// <param name="datetimeone">第一个日期和时间</param>
        /// <param name="datetimesecond">第二个日期和时间</param>
        /// <returns></returns>
        public static int DateDiffMinutes(DateTime datetimeone, DateTime datetimesecond)
        {
            TimeSpan ts1 = new TimeSpan(datetimeone.Ticks);
            TimeSpan ts2 = new TimeSpan(datetimesecond.Ticks);
            TimeSpan ts = ts1.Subtract(ts2).Duration();
            return ts.Minutes;

        }

        /// <summary>
        /// 计算两个日期的时间间隔,返回秒
        /// </summary>
        /// <param name="datetimeone">第一个日期和时间</param>
        /// <param name="datetimesecond">第二个日期和时间</param>
        /// <returns></returns>
        public static int DateDiffSeconds(DateTime datetimeone, DateTime datetimesecond)
        {
            TimeSpan ts1 = new TimeSpan(datetimeone.Ticks);
            TimeSpan ts2 = new TimeSpan(datetimesecond.Ticks);
            TimeSpan ts = ts1.Subtract(ts2).Duration();
            return ts.Seconds;

        }

        /// <summary>
        /// 计算两个日期的时间间隔,返回天
        /// </summary>
        /// <param name="datetimeone">第一个日期和时间</param>
        /// <param name="datetimesecond">第二个日期和时间</param>
        /// <returns></returns>
        public static int DateDiffDays(DateTime datetimeone, DateTime datetimesecond)
        {
            TimeSpan ts1 = new TimeSpan(datetimeone.Ticks);
            TimeSpan ts2 = new TimeSpan(datetimesecond.Ticks);
            TimeSpan ts = ts1.Subtract(ts2).Duration();
            return ts.Days;

        }
    }
}