using Cysharp.Threading.Tasks;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using static UnityEngine.UI.ContentSizeFitter;
//============================================================
//支持中文，文件使用UTF-8编码
//@author	Adam
//@create	20240710
//@company	Adam
//
//@description:
//============================================================
namespace Components
{
    public class ThreeDtipAttach : MonoBehaviour
    {
        public TMP_Text selfTMP;
        public RectTransform selfRT;
        // Use this for initialization
        private void OnEnable()
        {
            ComputeSize();
        }

        private async void ComputeSize()
        {
            await UniTask.Delay(10);
            GetPreferredSize(selfTMP);
            //await UniTask.Delay(10);
            selfRT.sizeDelta = new Vector2(GetPreferredSize(selfTMP).x + 20f, selfRT.sizeDelta.y);
        }

        public Vector2 GetPreferredSize(TMP_Text temp)
        {
            LayoutRebuilder.ForceRebuildLayoutImmediate(temp.GetComponent<RectTransform>());
            return new Vector2((HandleSelfFittingAlongAxis(0, temp)), (HandleSelfFittingAlongAxis(1, temp)));
        }

        public float HandleSelfFittingAlongAxis(int axis, TMP_Text temp)
        {
            ContentSizeFitter c = temp.GetComponent<ContentSizeFitter>();
            RectTransform r = temp.GetComponent<RectTransform>();
            FitMode fitting = (axis == 0 ? c.horizontalFit : c.verticalFit);
            if (fitting == FitMode.MinSize)
            {
                return LayoutUtility.GetMinSize(r, axis);
            }
            else
            {
                return LayoutUtility.GetPreferredSize(r, axis);
            }
        }
    }
}