using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UIElements;
using UnityEngine.Events;
using Cysharp.Threading.Tasks;
namespace BITKit.UX
{
    public class UXImage : UXElement<VisualElement>
    {
        [Header(Constant.Header.Settings)]
        [SerializeField] private Optional<float> lerpPosition;

        [Header(Constant.Header.InternalVariables)]
        private Vector2 currentPosition;
        private VisualElement icon;
        public override void OnStart()
        {
            base.OnStart();
            icon = GetVisualElement().Q(UXConstant.Icon);
        }
        public async void Set(Sprite sprite)
        {
            await UniTask.SwitchToMainThread();
            var _icon = this.icon ?? visualElement;
            _icon.style.backgroundImage =sprite? new StyleBackground(sprite):null;
        }
        public async void Set(Texture2D texture)
        {
            await UniTask.SwitchToMainThread();
            var _icon = this.icon ?? visualElement;
            _icon.style.backgroundImage =texture? new StyleBackground(texture):null;
        }

        protected override void SetPosition(ref Vector2 position)
        {
            if (currentPosition.sqrMagnitude is 0)
            {
                currentPosition = position;
            }

            if (!lerpPosition.Allow) return;
            currentPosition = Vector2.Lerp(currentPosition, position, lerpPosition.Value * Time.deltaTime);

            position = currentPosition;
        }

        public void SetSprite(Sprite sprite) => Set(sprite);
        public void SetTexture(Texture2D texture2D) => Set(texture2D);
    }
}