using UnityEngine;
#if UNITY_EDITOR
using UnityEditor;
#endif

namespace AdaptUI
{
    [System.Serializable]
    public struct TransformData
    {
        public Vector3 rotation;
        public Vector3 scale;

        public TransformData(Transform transform)
        {
            rotation = transform.eulerAngles;
            scale = transform.localScale;
        }

        public bool IsValid()
        {
            return rotation != Vector3.zero || scale != Vector3.one;
        }
    }

    [ExecuteAlways]
    [RequireComponent(typeof(RectTransform))]
    public class UIAdaptiveTransform : MonoBehaviour
    {
        [Header("初始 Transform")]
        [SerializeField] public TransformData defaultTransform;
        [Header("iPhone Transform")]
        [SerializeField] public TransformData iPhoneTransform;
        [Header("iPad Transform")]
        [SerializeField] public TransformData iPadTransform;

        private Transform cachedTransform;
        private bool isInitialized = false;

        private void Awake()
        {
            cachedTransform = transform;
#if UNITY_EDITOR
            // 如果未初始化，不要应用 Transform，等待 Reset() 赋值
            if (!isInitialized)
            {
            //    Debug.Log("UIAdaptiveTransform: 未初始化，跳过 ApplyTransform()");
                return;
            }
#endif
            ApplyTransform();
        }

#if UNITY_EDITOR
        private void Reset()
        {
            cachedTransform = transform;

            if (!isInitialized)
            {
             //   Debug.Log("UIAdaptiveTransform: 首次挂载，自动记录当前 Transform 作为默认值");
                defaultTransform = new TransformData(cachedTransform);
                iPhoneTransform = new TransformData(cachedTransform);
                iPadTransform = new TransformData(cachedTransform);
                isInitialized = true;  // ✅ 记录已初始化，避免 Awake() 误触
            }
        }
#endif

        public void ApplyTransform()
        {
            if (cachedTransform == null) return;

            DeviceTypeHelper.DeviceType deviceType = DeviceTypeHelper.DetectDeviceType();
            TransformData targetTransform = (deviceType == DeviceTypeHelper.DeviceType.iPhone) ? iPhoneTransform : iPadTransform;

            cachedTransform.eulerAngles = targetTransform.rotation;
            cachedTransform.localScale = targetTransform.scale;
          //  Debug.Log($"📌 Transform 适配完成: 设备 = {deviceType}, 旋转 = {targetTransform.rotation}, 缩放 = {targetTransform.scale}");
        }

        public TransformData GetTransformData(bool isIpad)
        {
            return isIpad ? iPadTransform : iPhoneTransform;
        }

        public void SetTransformData(bool isIpad, Transform transform)
        {
            if (isIpad)
            {
                iPadTransform = new TransformData(transform);
            }
            else
            {
                iPhoneTransform = new TransformData(transform);
            }
          //  Debug.Log($"📌 UIAdaptiveTransform: 设置 Transform 为 {(isIpad ? "iPad" : "iPhone")}");
        }
    }
}