#if UNITY_EDITOR
using Sirenix.OdinInspector;
using UguiToolkit.Editor;
using Unity.Mathematics;
using UnityEditor;
using UnityEngine;
using UnityEngine.UI;

namespace UguiToolkit.Editor
{
    public class ImageEntity : BaseEntity<Image, LayoutInfo.ImageInfo>
    {
        [ShowInInspector]
        private float rotiation;
        [ShowInInspector]
        private float2 scale;
        [ShowInInspector]
        private bool similarityCalc;
        [ShowInInspector]
        private bool needFillTransform;

        private Image m_previewImage;

        // 查找时调用
        public void SetTransform(float rotiation, float2 scale, bool similarityCalc)
        {
            this.rotiation = rotiation;
            this.scale = scale;
            this.similarityCalc = similarityCalc;

            this.needFillTransform = true;
        }

        private void LoadImageFromFile(string path)
        {
            if (System.IO.File.Exists(path))
            {
                byte[] fileData = System.IO.File.ReadAllBytes(path);
                Texture2D texture = new Texture2D(2, 2);
                texture.LoadImage(fileData); // 加载图片数据到Texture2D

                Sprite sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f));
                m_previewImage.sprite = sprite;
                m_previewImage.color = new Color(1, 1, 1, 0.7f);
                m_previewImage.SetNativeSize();
            }
            else
            {
                Debug.LogError("File not found at path: " + path);
            }
        }

        protected override void OnApplyData(Image ui)
        {
            ApplyTransform(ui.transform);

            if (ElementInfo.HaveSlice)
            {
                ui.type = Image.Type.Sliced;
            }
        }

        public override void InitPreview()
        {
            if (ElementInfo == null) return;

            if (!TryGetComponent<Image>(out m_previewImage))
            {
                m_previewImage = gameObject.AddComponent<Image>();
            }

            LoadImageFromFile(ElementInfo.imgPath);
            ApplyTransform(transform);
        }


        public override void ApplyTransform(Transform tf)
        {
            if (needFillTransform)
            {
                if (similarityCalc)
                {
                    var rt = tf as RectTransform;
                    rt.anchorMax = rt.anchorMin;
                    rt.sizeDelta = new Vector2(ElementInfo.w, ElementInfo.h);

                    rt.rotation = Quaternion.identity;
                }
                else
                {
                    var rt = tf as RectTransform;
                    // 设置中心点为0.5 0.5
                    rt.pivot = new Vector2(0.5f, 0.5f);
                    rt.rotation = Quaternion.Euler(0, 0, rotiation * -1);

                    // size
                    var img = tf.GetComponent<Image>();
                    img.SetNativeSize();
                    rt.anchorMax = rt.anchorMin;
                    rt.sizeDelta = new Vector2(rt.sizeDelta.x * scale.x, rt.sizeDelta.y * scale.y);
                }
            }
            var position = ElementInfo.Position;
            tf.position = StageManager.Instance.PrefabContentsRoot.transform.TransformPoint(new Vector3(position.x, position.y, 0));
        }
    }
}
#endif