using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using Spine.Unity;

public class RendererAdjuster : MonoBehaviour
{

    public int sortingOrder = 0;

    public string customSortingLayer = "UI";

    public List<Renderer> renderers = new List<Renderer>();

    // private List<SkeletonAnimation> skeletonAnimations = new List<SkeletonAnimation>();

    protected Canvas canvas;

    public int canvasOffset = 1;

    public Action<string, int> onSortingChanged;

    protected void Awake()
    {
        UpdateComps();
    }

    public void SetSortingOrder(int sortingOrder)
    {
        this.sortingOrder = sortingOrder;
        UpdateComps();
        UpdateSortingOrder();
    }

    protected void UpdateComps()
    {
        renderers.Clear();
        renderers.AddRange(gameObject.GetComponentsInChildren<Renderer>(true));

        // skeletonAnimations.Clear();
        // skeletonAnimations.AddRange(gameObject.GetComponentsInChildren<SkeletonAnimation>(true));

        canvas = GetComponentInChildren<Canvas>(true);
    }

    public void UpdateSortingOrder()
    {
        // 将特效的排序顺序设置为Canvas排序顺序加上偏移量
        ApplySortingSettings(sortingOrder, customSortingLayer);
    }
    

    private void ApplySortingSettings(int sortingOrder, string sortingLayer)
    {
        foreach (Renderer renderer in renderers)
        {
            if (renderer != null)
            {
                renderer.sortingOrder = sortingOrder;
                if (!string.IsNullOrEmpty(sortingLayer))
                {
                    renderer.sortingLayerName = sortingLayer;
                }
            }
        }

        if (null != canvas)
        {
            canvas.sortingOrder = sortingOrder + canvasOffset;
            if (!string.IsNullOrEmpty(sortingLayer))
            {
                canvas.sortingLayerName = sortingLayer;
            }
        }

        // foreach (var skeletonAnim in skeletonAnimations)
        // {

        // }

        onSortingChanged?.Invoke(sortingLayer, sortingOrder);
    }
}