using Cysharp.Threading.Tasks;
using DG.Tweening;
using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

/// <summary>
/// 工具类
/// </summary>
public static class ToolManager
{
    /// <summary>
    /// 刷新右侧的滑动条
    /// </summary>
    /// <returns></returns>
    public static async UniTask RefreshScrollView(RectTransform content, ScrollRect scrollRect)
    {
        await UniTask.Delay(1);
        LayoutRebuilder.ForceRebuildLayoutImmediate(content as RectTransform);
        scrollRect.verticalNormalizedPosition = 1; // 回到顶部
    }

    /// <summary>
    /// 根据文字数量改变 背景 大小
    /// </summary>
    /// <param name="contentText"></param>
    public static void justImageWidth(TextMeshProUGUI contentText, RectTransform _bg, float width, float height)
    {
        float preferredWidth = contentText.preferredWidth;
        _bg.sizeDelta = new Vector2(preferredWidth + (contentText.text == "" ? 0 : width), _bg.sizeDelta.y);
        contentText.GetComponent<RectTransform>().sizeDelta = new Vector2(preferredWidth + (contentText.text == "" ? 0 : width), height);
    }
    /// <summary>
    /// UI面板实现渐显
    /// </summary>
    /// <param name="canvasGroup"></param>
    /// <param name="fadeDuration">速度</param>
    public static async UniTask CanvasFadeIn(CanvasGroup canvasGroup , float fadeDuration)
    {
        //canvasGroup.alpha = 0;
        await UniTask.Delay(1);
        canvasGroup.DOFade(1f, fadeDuration);
    }

    /// <summary>
    /// UI面板实现渐隐
    /// </summary>
    /// <param name="canvasGroup"></param>
    /// <param name="fadeDuration">速度</param>
    public static async UniTask CanvasFadeOut(CanvasGroup canvasGroup, float fadeDuration)
    {
        await UniTask.Delay(1);
        canvasGroup.DOFade(0f, fadeDuration);
    }

}