using CommonLang;
using System.Collections.Generic;
using UnityEngine;
using CommonAIClient.Unity.Utils;

namespace CommonAIClient.Unity.Battle
{
    public partial class ComAIUnit
    {
        public class Avatar
        {
            private DisplayCell mDisplayCell;
            private object mTag;


            protected internal DisplayCell DisplayCell
            {
                get { return mDisplayCell; }
                internal set { mDisplayCell = value; }
            }
            public object Tag
            {
                get { return mTag; }
                set { mTag = value; }
            }
        }

        private List<Avatar> mAvatarStack = new List<Avatar>();
        private IComparer<Avatar> mAvatarComparer;


        public IComparer<Avatar> AvatarComparer { set { mAvatarComparer = value; } }


        protected override void CorrectDummyNode()
        {
            if (mAvatarStack.Count == 0)
            {
                base.CorrectDummyNode();
                return;
            }

            if (mAvatarStack[0].DisplayCell != null)
            {
                DisplayCell display = mAvatarStack[0].DisplayCell;

                foreach (var elem in this.Dummys)
                {
                    GameObject trace = display.GetDummyNode(elem.Key);
                    elem.Value.Init(elem.Key, trace);
                }
            }
        }

        /// <summary>
        /// 如果name不为空 绝对返回一个DummyNode
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public override DummyNode GetDummyNode(string name)
        {
            if (mAvatarStack.Count == 0 || mAvatarStack[0].DisplayCell == null)
            {
                return base.GetDummyNode(name);
            }

            if (string.IsNullOrEmpty(name))
            {
                Debug.LogError("string.IsNullOrEmpty(name)");
                return null;
            }

            DisplayCell display = mAvatarStack[0].DisplayCell;

            DummyNode dummyNode = null;
            if (!this.Dummys.TryGetValue(name, out dummyNode))
            {
                GameObject node = display.GetDummyNode(name);
                if (node == null)
                {
                    Debug.LogError("node not exist " + name);
                }
                GameObject tmp = new GameObject(name);
                tmp.ParentRoot(this.DummyRoot);
                dummyNode = tmp.AddComponent<DummyNode>();
                dummyNode.Init(name, node);
                this.Dummys.Add(name, dummyNode);
            }
            return dummyNode;
        }

        public override void PlayAnim(string name, bool crossFade,
            WrapMode wrapMode = WrapMode.Once, float speed = 1f)
        {
            if (mAvatarStack.Count == 0 || mAvatarStack[0].DisplayCell == null)
            {
                base.PlayAnim(name, crossFade, wrapMode, speed);
            }
            else
            {
                mAvatarStack[0].DisplayCell.PlayAnim(name, crossFade, wrapMode, speed);
            }
        }

        /// <summary>
        /// 增加一个avatar 返回在avatar列表中的顺序
        /// </summary>
        /// <param name="assetBundleName"></param>
        /// <param name="assetName"></param>
        /// <returns></returns>
        public Avatar AddAvatar(string assetBundleName, string assetName)
        {
            if (!string.IsNullOrEmpty(assetBundleName)
                && !string.IsNullOrEmpty(assetName))
            {
                Avatar info = new Avatar();
                mAvatarStack.Add(info);
                if (mAvatarComparer != null)
                {
                    mAvatarStack.Sort(mAvatarComparer);
                }

                BattleFactroy.Instance.GameObjectAdapter.Load(assetBundleName, assetName
                    , (succ, aoe) =>
                    {
                        if (succ)
                        {
                            if (IsDisposed || mAvatarStack.IndexOf(info) == -1)
                            {
                                BattleFactroy.Instance.GameObjectAdapter.Unload(aoe);
                                return;
                            }

                            info.DisplayCell = BattleFactroy.Instance.CreateDisplayCell(mAvatarRoot);
                            info.DisplayCell.Model = aoe;

                            if (mAvatarStack[0] == info)
                            {
                                DisplayCell.ActiveSelf = false;
                                //映射节点
                                CorrectDummyNode();

                                info.DisplayCell.PlayAnim(LastAnimName, false, LastWrapMode, LastSpeed);
                            }
                            else
                            {
                                mAvatarStack[0].DisplayCell.ActiveSelf = false;
                            }
                        }
                    });

                return info;
            }

            return null;
        }

        public void RemoveAvatar(Avatar info)
        {
            int index = mAvatarStack.IndexOf(info);
            if (index == -1)
                return;

            if (info.DisplayCell != null)
            {
                info.DisplayCell.Dispose();
            }
            mAvatarStack.Remove(info);

            if (index == 0)
            {
                if (mAvatarStack.Count > 0)
                {
                    CorrectDummyNode();
                    mAvatarStack[0].DisplayCell.ActiveSelf = true;
                    PlayAnim(LastAnimName, false, LastWrapMode, LastSpeed);
                }
                else
                {

                    this.DisplayCell.ActiveSelf = true;
                    CorrectDummyNode();
                }
                PlayAnim(LastAnimName, false, LastWrapMode, LastSpeed);
            }
        }
    }
}