//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Saturday, November 11, 2017
//--------------------------------------------------------
using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using System;


public class TimerBehaviour : MonoBehaviour
{
    [SerializeField] protected Text m_TimeShow;
    public Text timeShow { get { return m_TimeShow; } }

    [SerializeField] Pattern m_Pattern = Pattern.English;

    protected DateTime endTime;
    Action onTime;

    float secondTimer = 0f;

    public void Begin(int seconds, Action _callBack = null)
    {
        endTime = TimeUtility.ServerNow + new TimeSpan(seconds * TimeSpan.TicksPerSecond);
        onTime = _callBack;
        if (endTime > TimeUtility.ServerNow)
        {
            this.SetActive(true);
            UpdateTimeShow();
        }
        else
        {
            this.SetActive(false);
        }
    }

    public void Stop()
    {
        endTime = DateTime.MinValue;
        onTime = null;
        this.SetActive(false);
    }

    private void LateUpdate()
    {
        if (TimeUtility.ServerNow > endTime)
        {
            if (onTime != null)
            {
                onTime();
                onTime = null;
            }

            this.SetActive(false);
        }
        else
        {
            secondTimer += Time.deltaTime;
            if (secondTimer > 1f)
            {
                secondTimer = 0f;
                UpdateTimeShow();
            }
        }
    }

    protected virtual void UpdateTimeShow()
    {
        var lastSecond = (float)(endTime - TimeUtility.ServerNow).TotalSeconds;

        switch (m_Pattern)
        {
            case Pattern.English:
                m_TimeShow.text = TimeUtility.SecondsToHMS(Mathf.RoundToInt(lastSecond));
                break;
            case Pattern.Chinese:
                m_TimeShow.text = TimeUtility.SecondsToDHMSCHS(Mathf.RoundToInt(lastSecond));
                break;
        }
    }

    public enum Pattern
    {
        English = 0,
        Chinese = 1,
    }

}