//
// Timer.cs
// Created by huailiang.peng on 2016/03/14 03:19:41
//


namespace LuaCore
{

    public class Timer
    {
        //delegate
        public delegate void OnTimeUpHandler(int timerSequence);
        private OnTimeUpHandler m_timeUpHandler;

        //循环次数( < 0 表示无限循环)
        private int m_loop = 1;

        //计时(ms)
        private int m_totalTime;
        private int m_currentTime;

        //是否完成
        private bool m_isFinished;

        //是否处于运行状态
        private bool m_isRunning;

        //序列号
        private int m_sequence;


        //--------------------------------------
        /// 构造函数
        //--------------------------------------
        public Timer(int time, int loop, OnTimeUpHandler timeUpHandler, int sequence)
        {
            if (loop == 0)
            {
                loop = -1;
            }

            m_totalTime = time;
            m_loop = loop;
            m_timeUpHandler = timeUpHandler;
            m_sequence = sequence;

            m_currentTime = 0;
            m_isRunning = true;
            m_isFinished = false;
        }


          //--------------------------------------
        /// Update
        /// @deltaTime
        //--------------------------------------
        public void Update(int deltaTime)
        {
            if (m_isFinished || !m_isRunning)
            {
                return;
            }

            if (m_loop == 0)
            {
                m_isFinished = true;
            }
            else
            {
                m_currentTime += deltaTime;

                if (m_currentTime >= m_totalTime)
                {
                    if (m_timeUpHandler != null)
                    {
                        m_timeUpHandler(m_sequence);
                    }

                    m_currentTime = 0;
                    m_loop--;
                }
            }
        }

        //--------------------------------------
        /// 是否完成
        //--------------------------------------
        public bool IsFinished()
        {
            return m_isFinished;
        }

		public int CurrentTime
		{
			get { return m_currentTime; }
		}

         //--------------------------------------
        /// 暂停
        //--------------------------------------
        public void Pause()
        {
            m_isRunning = false;
        }

        //--------------------------------------
        /// 恢复
        //--------------------------------------
        public void Resume()
        {
            m_isRunning = true;
        }

        //--------------------------------------
        /// 重置
        //--------------------------------------
        public void Reset()
        {
            m_currentTime = 0;
        }

        //--------------------------------------
        /// 检查sequence是否匹配
        //--------------------------------------
        public bool IsSequenceMatched(int sequence)
        {
            return (m_sequence == sequence);
        }

         //--------------------------------------
        /// 检查delegate是否匹配
        //--------------------------------------
        public bool IsDelegateMatched(OnTimeUpHandler timeUpHandler)
        {
            return (m_timeUpHandler == timeUpHandler);
        }

    }


}