using UnityEngine;

namespace AlicizaX.AnimationFlow.Runtime
{
    [Category("Animation")]
    public class CanvasGroupAlphaTo : AnimationBaseNode<float>
    {
        [SerializeField]
        private CanvasGroup _target;

        public override void OnInit()
        {
            orgValue = _target.alpha;
        }

        public override void OnReset()
        {
            _target.alpha = orgValue;
        }

        public override void OnEnter()
        {
            if (setFrom)
            {
                _target.alpha = from;
            }

            if (Condition())
            {
                _target.alpha = to;
            }

            enterValue = _target.alpha;
        }

        public override void OnUpdate(float dt)
        {
            _target.alpha = Easing.Ease(easyType, enterValue, to, elapsedTime / duration);
        }

        public override bool Valid()
        {
            return _target != null;
        }

        public override float Duration()
        {
            return duration;
        }

        public override bool HasSubTitle()
        {
            return true;
        }

        public override string SubTitle()
        {
            return _target != null ? _target.name : null;
        }
    }
}