using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
/// <summary>
/// 时间调试器，用来计算程序的运行时间
/// </summary>
namespace Shentun.Utilities
{
    public static class TimeDebuger
    {
        private static DateTime _startTime;
        private static DateTime _lastTime;
        /// <summary>
        /// 计时器启动
        /// </summary>
        public static void Start()
        {

            _startTime = System.DateTime.Now;
            _lastTime = _startTime;

        }
        /// <summary>
        /// 最近两个时间的间隔
        /// </summary>
        public static double IntervalTime
        {
            get
            {

                if (_lastTime == null)
                    return 0;
                var currentTime = System.DateTime.Now;
                TimeSpan ts = currentTime.Subtract(_lastTime);
                _lastTime = currentTime;
                return ts.TotalMilliseconds;

            }
        }
        /// <summary>
        /// 输出运行间隔时间
        /// </summary>
        /// <param name="name"></param>
        public static void IntervalTimeWriteLine(string name)
        {

            if (_lastTime == null)
                return ;
            var currentTime = System.DateTime.Now;
            TimeSpan ts = currentTime.Subtract(_lastTime);
            _lastTime = currentTime;
            if (string.IsNullOrEmpty(name))
                name = "";
            Debug.WriteLine(name + "运行时间:" + ts.TotalMilliseconds.ToString());

        }
        /// <summary>
        /// 从计时器启动到现在的总运行时间
        /// </summary>
        public static double SumRunTime
        {
            get
            {

                var currentTime = System.DateTime.Now;
                TimeSpan ts = currentTime.Subtract(_startTime);
                return ts.TotalMilliseconds;

            }
        }
        /// <summary>
        /// 输出总运行时间
        /// </summary>
        /// <param name="name"></param>
        public static void SumRunTimeWriteLine(string name)
        {

            var currentTime = System.DateTime.Now;
            TimeSpan ts = currentTime.Subtract(_startTime);
            if (string.IsNullOrEmpty(name))
                name = "";
            Debug.WriteLine($"{name}总运行时间:{ts.TotalMilliseconds.ToString()} 毫秒");

        }
    }
}