using UnityEngine;

namespace AlicizaX.AnimationFlow.Runtime
{
    [Category("RectTransform")]
    public class UISizeDelta : ActionNode
    {
        public float duration = 1f;
        public EaseType easyType;
        public RectTransform target;
        public bool setFrom;
        public Vector2 from;
        public Vector2 to;
        protected Vector2 orgValue;
        protected Vector2 enterValue;

        public override void OnInit()
        {
            orgValue = target.sizeDelta;
        }

        public override void OnReset()
        {
            target.sizeDelta = orgValue;
        }

        public override void OnEnter()
        {
            if (setFrom)
            {
                target.sizeDelta = from;
            }

            if (Condition())
            {
                target.sizeDelta = to;
            }

            enterValue = target.sizeDelta;
        }

        public override void OnUpdate(float dt)
        {
            target.sizeDelta = 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;
        }
    }
}