using System.Collections;
using UnityEngine;
using UnityEngine.UI;

namespace SepCore.UI
{
    public static class UIExtension
    {
        public static IEnumerator FadeToAlpha(this CanvasGroup canvasGroup, float alpha, float duration)
        {
            float time = 0f;
            float originalAlpha = canvasGroup.alpha;
            while (time < duration)
            {
                time += Time.deltaTime;
                canvasGroup.alpha = Mathf.Lerp(originalAlpha, alpha, time / duration);
                yield return new WaitForEndOfFrame();
            }

            canvasGroup.alpha = alpha;
        }

        public static IEnumerator SmoothValue(this Slider slider, float value, float duration)
        {
            float time = 0f;
            float originalValue = slider.value;
            while (time < duration)
            {
                time += Time.deltaTime;
                slider.value = Mathf.Lerp(originalValue, value, time / duration);
                yield return new WaitForEndOfFrame();
            }

            slider.value = value;
        }
    }
}