using Thousandto.Core.Base;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using UnityEngine;
using PathUtils = UnityEngine.Gonbest.MagicCube.PathUtils;
using CoroutinePool = UnityEngine.Gonbest.MagicCube.CoroutinePool;
using StringUtils = UnityEngine.Gonbest.MagicCube.StringUtils;

namespace Thousandto.Plugins.Common
{
    /// <summary>
    /// UISprite组件的alpha动画
    /// </summary>
    public class NoticeIconAlphaAnim
    {
        //所有的提示动画，每一个聊天对象都有一个
        private List<UISprite> _noticeList;
        //是否显示私聊提示动画
        private bool _enabelNotice;

        private static NoticeIconAlphaAnim _instance;

        public static NoticeIconAlphaAnim Instance
        {
            get 
            { 
                if (_instance == null)
                {
                    _instance = new NoticeIconAlphaAnim();
                }
                return _instance; 
            }
            set { NoticeIconAlphaAnim._instance = value; }
        }

        private NoticeIconAlphaAnim()
        {
            Initialize();
        }

        public void Initialize()
        {
            _enabelNotice = true;

            _noticeList = new List<UISprite>();

            CoroutinePool.AddTask(showNotice());
        }

        public void Unitialize()
        {
            _enabelNotice = false;

            if (_noticeList != null)
            {
                _noticeList.Clear();
            }
        }


        public void AddNoticeIcon(UISprite go)
        {
            if (!_noticeList.Contains(go))
            {
                _noticeList.Add(go);

                TweenAlpha sa = go.gameObject.RequireComponent<TweenAlpha>();
                sa.from = 1.0f;
                sa.to = 0.0f;
                sa.enabled = true;
                sa.style = UITweener.Style.PingPong;
                sa.PlayForward();
            }
        }


        IEnumerator showNotice()
        {
            yield return null;

            while (_enabelNotice)
            {
                yield return new WaitForSeconds(0.2f);

                for (int i = _noticeList.Count - 1; i >= 0; i--)
                {
                    try
                    {
                        if (_noticeList[i] == null || !_noticeList[i].gameObject.activeInHierarchy)
                        {
                            _noticeList.RemoveAt(i);
                            continue;
                        }
                    }
                    catch (System.Exception ex)
                    {
                        UnityEngine.Debug.LogError(ex.StackTrace);
                        _noticeList.RemoveAt(i);
                        continue;
                    }
                }
            }
        }
    }
}