using DG.Tweening;
using UnityEngine;

public class UI_Show_Anim : MonoBehaviour
{
    public float animTime_Alpha = 1f;
    public float animTime_Scale = 1f;
    private void OnEnable()
    {
        Clear();
        RectTransform rect = transform as RectTransform;
        bool canScale = rect == null || !UI_OrderedEntryAnimator.IsLayoutSensitive(rect);
        if (canScale)
        {
            transform.localScale = Vector3.zero;
            transform.DOScale(1, animTime_Scale).SetUpdate(true);
        }

        if (gameObject.Try_Get_Component(out CanvasGroup canvasGroup))
        {
            canvasGroup.alpha = 0;
            float a = 0;
            DOTween.To(() => a, (f) => { a = f; canvasGroup.alpha = f; }, 1, animTime_Alpha)
                .SetUpdate(true)
                .SetTarget(canvasGroup);
        }
    }
    public void Close()
    {
        Clear();
        RectTransform rect = transform as RectTransform;
        bool canScale = rect == null || !UI_OrderedEntryAnimator.IsLayoutSensitive(rect);
        if (canScale)
        {
            transform.DOScale(0, animTime_Scale).SetUpdate(true);
        }
        if (gameObject.Try_Get_Component(out CanvasGroup canvasGroup))
        {
            float a = 1;
            DOTween.To(() => a, (f) => { a = f; canvasGroup.alpha = f; }, 0, animTime_Alpha)
                .SetUpdate(true)
                .SetTarget(canvasGroup);
        }
    }
    void Clear()
    {
        // Only kill tweens that belong to this UI element.
        // Passing a Transform into DOTween.KillAll(...) is dangerous in Unity because Transform has an implicit bool
        // conversion, which ends up calling KillAll(true) and wipes tweens globally.
        transform.DOKill();
        if (gameObject.Try_Get_Component(out CanvasGroup canvasGroup))
        {
            canvasGroup.DOKill();
        }
    }
}