using System;
using Spine.Unity;
using UnityEngine;

public class UIHeroController : MonoBehaviour
{
	private GameObjectPoolManager.GameObjectPool pool;
	private int skinID;
	protected SkeletonGraphic skeletonGraphic;

	protected Spine.AnimationState spineAnimationState;
	private GameObject instanceGO;

	private Action onComplete;
	public void Create(int _skinID, float scale = 0.8f, Action _onComplete = null, string motionName = "idle", bool isLh = false)
	{
		if (skinID == _skinID)
		{ 
			//避免重复创建
			return;
		}

		skinID = _skinID;
		onComplete = _onComplete;
		pool = GameObjectPoolManager.Instance.RequestPool(UILoader.LoadPrefab("UIHero"));
		
		if (!transform.gameObject.activeSelf)
		{
			transform.SetActive(true);
		}
		if (instanceGO == null)
		{ 
			instanceGO = pool.Request();
			instanceGO.transform.SetParent(transform);
			//transform 的Pivot Y是0，让instanceGO 居中
			instanceGO.transform.localPosition = new Vector3(0, instanceGO.GetComponent<RectTransform>().sizeDelta.y * 0.5f);

			//instanceGO.transform.localPosition = Vector3.zero;
			instanceGO.transform.localScale = Vector3.one;
			instanceGO.transform.localRotation = Quaternion.identity;
		}

		skeletonGraphic = instanceGO.GetComponentInChildren<SkeletonGraphic>(true);
		var skinConfig = HeroSkinConfig.Get(skinID);
		if (isLh)
		{
			skeletonGraphic.skeletonDataAsset = ResManager.Instance.LoadAsset<SkeletonDataAsset>("Hero/SpineRes/", skinConfig.Tachie);
		}
		else
		{ 
			skeletonGraphic.skeletonDataAsset = ResManager.Instance.LoadAsset<SkeletonDataAsset>("Hero/SpineRes/", skinConfig.SpineRes);
		}
		if (skeletonGraphic.skeletonDataAsset == null)
		{

			transform.SetActive(false);
			if (pool != null)
				pool.Release(instanceGO);
			skeletonGraphic = null;
			Destroy(instanceGO);
			Debug.LogError("未配置spine");
			return;
		}
		skeletonGraphic.Initialize(true);
		this.transform.localScale = Vector3.one * scale;
		spineAnimationState = skeletonGraphic.AnimationState;
		spineAnimationState.Data.DefaultMix = 0f;
		if (motionName == "")
			motionName = GetFistSpineAnim();
		PlayAnimation(motionName, true);
		spineAnimationState.Complete -= OnAnimationComplete;
		spineAnimationState.Complete += OnAnimationComplete;
	}




	protected void OnDestroy()
	{
        if (spineAnimationState != null)
        {
            spineAnimationState.Complete -= OnAnimationComplete;
        }
		if (pool != null)
			pool.Release(instanceGO);
		skeletonGraphic = null;
		pool = null;
	}


    public virtual void PlayAnimation(string motionName, bool loop = false)
    {
        if (spineAnimationState == null) return;

		// 直接使用 ToString() 而不是调用 GetAnimationName
        spineAnimationState.SetAnimation(0, motionName.ToString(), loop);
    }

	// 播放第一个动画（作为默认动画）
	string GetFistSpineAnim()
	{
		var skeletonData = skeletonGraphic.Skeleton.Data;
		if (skeletonData.Animations.Count > 0)
		{
			return skeletonData.Animations.Items[0].Name;
		}
		else
		{
			Debug.LogError("Spine 数据中没有找到任何动画！武将皮肤：" + skinID);
		}
		return "";
    }

	/// <summary>
	/// 动画完成事件处理
	/// </summary>
	protected virtual void OnAnimationComplete(Spine.TrackEntry trackEntry)
	{
		onComplete?.Invoke();
	}

}