using System.Collections;
using DG.Tweening;
using UnityEngine;
using UnityEngine.UI;

namespace AibisDream
{
    public class FadeImage : IFadeObject
    {
        private readonly Image _image;

        public FadeImage(Image rawImage)
        {
            _image = rawImage;
        }

        #region 基本操作

        public void Show()
        {
            _image.gameObject.SetActive(true);
            _image.color = Color.white;
        }

        public void Hide()
        {
            _image.gameObject.SetActive(false);
            _image.color = Color.clear;
        }

        public void SwitchImage(string imagePath)
        {
            _image.sprite = Resources.Load<Sprite>(imagePath);
        }

        #endregion

        #region 淡入
        
        public void FadeIn(float duration)
        {
            _image.gameObject.SetActive(true);
            _image.DOBlendableColor(Color.white, duration);
        }

        public IEnumerator FadeInSync(float duration)
        {
            _image.gameObject.SetActive(true);
            var tweener = _image.DOBlendableColor(Color.white, duration);
            yield return tweener;
        }

        #endregion 
        
        #region 淡出
        
        public void FadeOut(float duration)
        {
            _image.gameObject.SetActive(true);
            _image.DOBlendableColor(Color.clear, duration).onComplete += () =>
            {
                _image.gameObject.SetActive(false);
            };
        }

        public IEnumerator FadeOutSync(float duration)
        {
            _image.gameObject.SetActive(true);
            var tweener = _image.DOBlendableColor(Color.clear, duration);
            if (!tweener.IsComplete())
            {
                yield return null;
            }
            // yield return tweener;
            _image.gameObject.SetActive(false);
        }

        #endregion

        public IEnumerator MoveTo(Vector3 targetPos, float duration)
        {
            Debug.Log("Image 不能移动");
            yield return null;
        }
    }
}