//--------------------------------------------------------
//    [Author]:           第二世界
//    [  Date ]:           Friday, October 27, 2017
//--------------------------------------------------------

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace vnxbqy.UI
{

    public class MarqueeWin : Window
    {
        [SerializeField] RectTransform m_ContainerMarquee;
        [SerializeField] RichText marqueeText;
        [SerializeField] RectTransform marqueeBg;
        [SerializeField] TweenCurve tweenCurve;
        [SerializeField] UIEffect m_Effect;
        #region 参数
        Vector3 fromPos;
        Vector3 toPos;
        float m_Time;
        float duration;
        int presentCnt = 0;
        int loopCnt = 1;
        #endregion

        [SerializeField]
        float speed = 5.0f;

        Coroutine cacheCoroutine = null;

        #region Built-in
        protected override void BindController()
        {
            fromPos = marqueeText.rectTransform.localPosition;
        }

        protected override void AddListeners()
        {

        }

        protected override void OnPreOpen()
        {
            m_Time = 0;
            ServerTipDetails.OnTweening = false;
            presentCnt = 0;
            m_ContainerMarquee.SetActive(false);
            if (cacheCoroutine != null)
            {
                StopCoroutine(cacheCoroutine);
                cacheCoroutine = null;
            }
        }

        protected override void OnActived()
        {
            base.OnActived();
            m_Effect.Play();
            cacheCoroutine = StartCoroutine(Co_StartTween());
        }



        protected override void OnAfterOpen()
        {
            //BeginMarquee();
        }

        protected override void OnPreClose()
        {
            ServerTipDetails.OnTweening = false;
            presentCnt = 0;
            if (cacheCoroutine != null)
            {
                StopCoroutine(cacheCoroutine);
                cacheCoroutine = null;
            }
        }

        protected override void OnAfterClose()
        {

        }

        IEnumerator Co_StartTween()
        {
            yield return WaitingForSecondConst.WaitMS500;
            m_ContainerMarquee.SetActive(true);
            BeginMarquee();
        }

        protected override void LateUpdate()
        {
            base.LateUpdate();
            if (ServerTipDetails.OnTweening)
            {
                m_Time += Time.deltaTime;
                if (m_Time <= duration)
                {
                    float progress = tweenCurve.Evaluate(m_Time / duration);
                    marqueeText.rectTransform.localPosition = Vector3.Lerp(fromPos, toPos, progress);
                }
                else
                {
                    OnTweenComp();
                }
            }
        }
        #endregion
        void BeginMarquee()
        {
            if (presentCnt == 0)
            {
                var _hint = ServerTipDetails.RequireMarquee();
                if (_hint != null)
                {
                    presentCnt = 0;
                    marqueeText.SetExtenalData(_hint.extentionData);
                    marqueeText.text = _hint.message;
                }
                else
                {
                    CloseImmediately();
                    return;
                }
            }
            presentCnt++;
            marqueeText.rectTransform.localPosition = fromPos;
            toPos = fromPos;
            float width = marqueeText.preferredWidth;
            toPos.x = fromPos.x - marqueeBg.rect.width - width;
            duration = (width + marqueeBg.rect.width) / speed;
            ServerTipDetails.OnTweening = true;
        }

        void OnTweenComp()
        {
            m_Time = 0;
            ServerTipDetails.OnTweening = false;
            if (presentCnt >= loopCnt)
            {
                presentCnt = 0;
            }
            BeginMarquee();
        }
    }

}