using UnityEngine;
using UnityEngine.UI;
using DG.Tweening;

/// <summary>
/// DOTween 扩展方法，为不同组件提供动画功能
/// </summary>
public static class DOTweenExtensions
{
    /// <summary>
    /// 为 CanvasGroup 提供淡入淡出动画
    /// </summary>
    /// <param name="target">目标 CanvasGroup</param>
    /// <param name="endValue">目标透明度值 (0-1)</param>
    /// <param name="duration">动画持续时间</param>
    /// <returns>Tweener 实例</returns>
    public static Tweener DOFade(this CanvasGroup target, float endValue, float duration)
    {
        return DOTween.To(() => target.alpha, x => target.alpha = x, endValue, duration);
    }

    /// <summary>
    /// 为 RectTransform 提供移动动画
    /// </summary>
    /// <param name="target">目标 RectTransform</param>
    /// <param name="endValue">目标位置</param>
    /// <param name="duration">动画持续时间</param>
    /// <returns>Tweener 实例</returns>
    public static Tweener DOAnchorPos(this RectTransform target, Vector2 endValue, float duration)
    {
        return DOTween.To(() => target.anchoredPosition, x => target.anchoredPosition = x, endValue, duration);
    }

    /// <summary>
    /// 为 Transform 提供缩放动画
    /// </summary>
    /// <param name="target">目标 Transform</param>
    /// <param name="endValue">目标缩放值</param>
    /// <param name="duration">动画持续时间</param>
    /// <returns>Tweener 实例</returns>
    public static Tweener DOScale(this Transform target, Vector3 endValue, float duration)
    {
        return DOTween.To(() => target.localScale, x => target.localScale = x, endValue, duration);
    }
}