using System;
using System.Collections.Generic;
using System.Text;
using UnityEngine;

namespace Thousandto.Launcher.ExternalLibs
{
    /// <summary>
    /// 动作资源信息
    /// </summary>
    [Serializable]
    public class AnimationAssetData
    {
        [NonSerialized]
        //临时存储Animation的组件
        private AnimListScript _tempAnim = null;

        //路径
        public string Path;
        //动作片段
        public AnimationClip[] ClipArray;
        //自身动作片段
        public AnimationClip[] SelfClipArray;
        //插槽数据
        public string[] SlotTrans;
        //buildin数据
        public string[] BuildinLevel1 = null;
        public string[] BuildinLevel2 = null;
        public string[] BuildinLevel3 = null;
        //默认的动作片段名字
        public int DefaultClipIndex = -1;


        //编辑器时使用
        [NonSerialized]
        public Transform TheTransform;

        #region//运行时执行

       
        //卸载处理
        public void Unload()
        {
            if (ClipArray != null)
            {
                for (int i = 0; i < ClipArray.Length; i++)
                {
                    if (ClipArray[i] != null)
                    {
                        Resources.UnloadAsset(ClipArray[i]);
                    }
                }
            }
            if (SelfClipArray != null)
            {
                for (int i = 0; i < SelfClipArray.Length; i++)
                {
                    if (SelfClipArray[i] != null)
                    {
                        Resources.UnloadAsset(SelfClipArray[i]);
                    }
                }
            }
            if (_tempAnim != null)
            {
                GameObject.Destroy(_tempAnim);
            }
        }

        //设置Animation
        public void ToAnimation(Transform tran)
        {
            var anim = tran.GetComponent<AnimListScript>();
            if (anim == null)
            {
                anim = tran.gameObject.AddComponent<AnimListScript>();
            }
            
            if (anim != null)
            {
                if(ClipArray != null)
                {
                    for (int i = 0; i < ClipArray.Length; i++)
                    {
                        if (ClipArray[i] != null)
                        {
                            anim.AddClip(ClipArray[i]);
                        }
                    }
                }
                if(SelfClipArray != null)
                {
                    var list = new List<AnimationClip>();
                    for (int i = 0; i < SelfClipArray.Length; i++)
                    {
                        if (SelfClipArray[i] != null)
                        {
                            list.Add(SelfClipArray[i]);
                        }
                    }
                    anim.SelfAnimList = list;
                }
            }
            if(SlotTrans != null)
            {
                anim.SlotTrans = new Transform[SlotTrans.Length];
                for (int i = 0; i < SlotTrans.Length; ++i)
                {
                    if(!string.IsNullOrEmpty(SlotTrans[i]))
                    {
                        anim.SlotTrans[i] = tran.Find(SlotTrans[i]);
                    }
                }
            }

            if (BuildinLevel1 != null)
            {
                anim.BuildinLevel1 = new GameObject[BuildinLevel1.Length];
                for (int i = 0; i < BuildinLevel1.Length; ++i)
                {
                    if (!string.IsNullOrEmpty(BuildinLevel1[i]))
                    {
                        anim.BuildinLevel1[i] = tran.Find(BuildinLevel1[i]).gameObject;
                    }
                }
            }
            if (BuildinLevel2 != null)
            {
                anim.BuildinLevel2 = new GameObject[BuildinLevel2.Length];
                for (int i = 0; i < BuildinLevel2.Length; ++i)
                {
                    if (!string.IsNullOrEmpty(BuildinLevel2[i]))
                    {
                        anim.BuildinLevel2[i] = tran.Find(BuildinLevel2[i]).gameObject;
                    }
                }
            }
            if (BuildinLevel3 != null)
            {
                anim.BuildinLevel3 = new GameObject[BuildinLevel3.Length];
                for (int i = 0; i < BuildinLevel3.Length; ++i)
                {
                    if (!string.IsNullOrEmpty(BuildinLevel3[i]))
                    {
                        anim.BuildinLevel3[i] = tran.Find(BuildinLevel3[i]).gameObject;
                    }
                }
            }
            _tempAnim = anim;
        }
        #endregion

        #region//编辑器时执行--打包之前数据准备用
#if UNITY_EDITOR
        //从Animation中获取信息
        public bool FromAnimation(AnimListScript anim,bool removeFormAnimation)
        {   
            if (anim != null)
            {
                var _alist = anim.AnimList;
                List<AnimationClip> list = new List<AnimationClip>();
                for (int i = 0; i < _alist.Count; i++)
                {
                    if (_alist[i] != null)
                    {  
                        list.Add(_alist[i]);
                    }
                }
                ClipArray = list.ToArray();

                list.Clear();
                _alist = anim.SelfAnimList;
                for (int i = 0; i < _alist.Count; i++)
                {
                    if (_alist[i] != null)
                    {
                        list.Add(_alist[i]);
                    }
                }
                SelfClipArray = list.ToArray();
                

                if (anim.SlotTrans != null)
                {
                    SlotTrans = new string[anim.SlotTrans.Length];
                    for(int i = 0; i < SlotTrans.Length; ++i)
                    {
                        SlotTrans[i] = FormatPath(anim.SlotTrans[i], anim.transform);
                    }
                }

                if (anim.BuildinLevel1 != null)
                {
                    BuildinLevel1 = new string[anim.BuildinLevel1.Length];
                    for (int i = 0; i < BuildinLevel1.Length; ++i)
                    {
                        BuildinLevel1[i] = FormatPath(anim.BuildinLevel1[i], anim.transform);
                    }
                }

                if (anim.BuildinLevel2 != null)
                {
                    BuildinLevel2 = new string[anim.BuildinLevel2.Length];
                    for (int i = 0; i < BuildinLevel2.Length; ++i)
                    {
                        BuildinLevel2[i] = FormatPath(anim.BuildinLevel2[i], anim.transform);
                    }
                }

                if (anim.BuildinLevel3 != null)
                {
                    BuildinLevel3 = new string[anim.BuildinLevel3.Length];
                    for (int i = 0; i < BuildinLevel3.Length; ++i)
                    {
                        BuildinLevel3[i] = FormatPath(anim.BuildinLevel3[i], anim.transform);
                    }
                }

                if (removeFormAnimation)
                {
                    GameObject.DestroyImmediate(anim);
                }
                return true;
            }
            return false;
        }

#endif
        #endregion

        #region//私有函数
        private static StringBuilder _tmp = new StringBuilder(1024);
        private string FormatPath(Transform trans, Transform root)
        {
            _tmp.Length = 0;
            if(trans != null)
            {
                var tmpTrans = trans;
                while (tmpTrans != root)
                {
                    _tmp.Insert(0, "/" + tmpTrans.name);
                    tmpTrans = tmpTrans.parent;
                }
                if(_tmp.Length > 0)
                {
                    _tmp.Remove(0, 1);
                }
            }
            return _tmp.ToString();
        }
        private string FormatPath(GameObject go, Transform root)
        {
            _tmp.Length = 0;
            if (go != null)
            {
                var tmpTrans = go.transform;
                while (tmpTrans != root)
                {
                    _tmp.Insert(0, "/" + tmpTrans.name);
                    tmpTrans = tmpTrans.parent;
                }
                if(_tmp.Length > 0)
                {
                    _tmp.Remove(0, 1);
                }
            }
            return _tmp.ToString();
        }
        #endregion
    }
}