//时间：20200611
//作者：郝爽
//功能：测量状态
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MeasureThread
{
    //测试结果
    public enum ThreadState
    {
        Ready,     //就绪
        InProcess, //进行中
        Waiting,   //等待，半自动化测试过程的状态
        Failed,    //失败
        Success    //成功
    }

    //计算时间类型
    public enum THREAD_TIME_TYPE
    {
        START = 1,
        STOPPED = 2,
    }

    public class ThreadStatus
    {
        //线程状态
        private ThreadState m_threadState;
        public ThreadState STATE
        {
            get { return this.m_threadState; }
            set { this.m_threadState = value; }
        }

        //线程开始的时间
        private DateTime m_startTime;
        public DateTime StartTime
        {
            get { return this.m_startTime; }
            set { this.m_startTime = value; }
        }

        //线程结束的时间
        private DateTime m_endTime;
        public DateTime EndTime
        {
            get { return this.m_endTime; }
            set { this.m_endTime = value; }
        }

        //线程使用的时间
        private TimeSpan m_UsedTime;
        public TimeSpan UsedTime
        {
            get { return this.m_UsedTime; }
            set { this.m_UsedTime = value; }
        }

        //线程当前开始的时间
        private DateTime m_CurrentStartTime;
        public DateTime CurrentStartTime
        {
            get { return this.m_CurrentStartTime; }
            set { this.m_CurrentStartTime = value; }
        }

        //构造函数
        public ThreadStatus()
        {
            Init();
        }

        public void Init()
        {
            m_threadState = ThreadState.Ready;
            m_startTime = new DateTime();
            m_endTime = new DateTime();
            m_CurrentStartTime = new DateTime();
            m_UsedTime = m_endTime - m_startTime;
        }

        // 计算时间
        public bool ComputeTime(THREAD_TIME_TYPE a_nType)
        {
            if (a_nType == THREAD_TIME_TYPE.START)
            {
                if (m_startTime == new DateTime())
                {
                    m_startTime = DateTime.Now;
                    m_CurrentStartTime = m_startTime;
                }
                else
                {
                    m_CurrentStartTime = DateTime.Now;
                }
                m_endTime = DateTime.Now;
            }
            else if (a_nType == THREAD_TIME_TYPE.STOPPED)
            {
                // set current time as end time
                m_endTime = DateTime.Now;

                // compute used time
                TimeSpan timeUsed = new TimeSpan();

                if (m_CurrentStartTime == m_startTime)
                {
                    // first compute time
                    timeUsed = m_endTime - m_startTime;
                }
                else
                {
                    // not the first compute time
                    timeUsed = m_UsedTime + ( m_endTime - m_CurrentStartTime);
                }

                m_UsedTime = timeUsed;
            }
            else
            {
                return false;
            }

            return true;

        }
    }
}