using AibisDream.Framework;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace AibisDream
{
    public class ActorAnimaEx : AbsActor
    {
        private Animator _animator;
        private string _currentStateName;
        private Dictionary<string, BlendTreeInfo> _blendTreeDict;

        protected override void Init()
        {
            _animator = GetComponent<Animator>();
            // 设置基本信息
            base.Init();
            actorData.actorType = ActorType.AnimaEx;
            var controller = ResourceKit.LoadAssetSync<RuntimeAnimatorController>($"Animation/{ActorName}");
            _animator.runtimeAnimatorController = controller;

            ParseBlendTreeInfos();

            // 保存事件
            actorData.onSave.AddListener(() =>
            {
                actorData.stateName = _currentStateName;
                actorData.faceParam = _animator.GetFloat("Face Param");
            });

            // 加载初始状态
            if (!string.IsNullOrWhiteSpace(actorData.stateName))
            {
                ChangeState(actorData.stateName);
            }
            if (actorData.faceParam >= 0)
            {
                _animator.SetFloat("Face Param", actorData.faceParam);
            }
        }
        
        private void ParseBlendTreeInfos()
        {
            _blendTreeDict = new Dictionary<string, BlendTreeInfo>();
            // 解析混合树
            var configText = ResourceKit.LoadAssetSync<TextAsset>($"AnimationConfig/{ActorName}");
            if (configText != null)
            {
                var blendTreeConfig = AnimatorKit.ParseBlendTreeConfigFromJson(configText.text);
                foreach (var info in blendTreeConfig.blendTrees)
                {
                    _blendTreeDict[info.name] = info;
                }

                _currentStateName = blendTreeConfig.defaultStateName;
            }
        }

        /// <summary>
        /// 切换站姿
        /// </summary>
        /// <param name="stateName"></param>
        public override void ChangeState(string stateName)
        {
            StartCoroutine(ChangeStateAsync(stateName));
        }

        public override IEnumerator ChangeStateAsync(string stateName)
        {
            // 记录当前状态
            _currentStateName = stateName;

            // 切换站姿
            _animator.SetTrigger(stateName);
            // 等待动作切换完成
            while (!_animator.GetCurrentAnimatorStateInfo(0).IsName(stateName))
            {
                yield return null;
            }

            // var info = _animator.GetCurrentAnimatorStateInfo(0);
            // yield return new WaitForSeconds(info.length);

            _animator.ResetTrigger(stateName);

            Debug.Log($"当前状态{_currentStateName}");
        }

        public override void SetTalkingState(bool isTalking)
        {
            _animator.SetFloat("Is Talking", isTalking ? 1 : 0);
        }

        public override void SetFaceState(string faceName)
        {
            // 先读取当前混合树信息
            if (_blendTreeDict.TryGetValue(_currentStateName, out var blendTreeInfo))
            {
                Debug.Log($"当前状态{_currentStateName}的混合树信息存在");
                if (blendTreeInfo.type == "1D")
                {
                    var clipInfo = blendTreeInfo.GetClipInfo(faceName);
                    if (clipInfo != null)
                    {
                        _animator.SetFloat(blendTreeInfo.blendParameter, clipInfo.threshold);
                    }
                }
                else
                {
                    var clipInfo = blendTreeInfo.GetClipInfo(faceName);
                    if (clipInfo != null)
                    {
                        _animator.SetFloat(blendTreeInfo.blendParameter, clipInfo.position.x);
                        // 不设置Y轴参数
                    }
                }
            }
            else
            {
                Debug.LogWarning($"当前状态{_currentStateName}的混合树信息不存在");
            }
        }
    }
}