using System;
using System.Collections;
using UnityEditor;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;

public class AddrResourceMgr : MonoBehaviourSingletonTemplate<AddrResourceMgr>
{
    // Start is called before the first frame update
    void Start()
    {
        DontDestroy();
    }

    public void LoadObject<T>(string path, Action<AsyncOperationHandle<T>> onCompleted)
    {
        // Addressables에서 비동기 로드
        AsyncOperationHandle<T> handle = Addressables.LoadAssetAsync<T>($"Assets/Res_Addr/{path}");

        // 로딩 완료 시 호출될 콜백
        handle.Completed += onCompleted;
    }
    //public void Set_AddressableReleaseSelf(GameObject go)
    //{
    //    if (DSUtil.CheckNull(go.GetComponent<AddressableReleaseSelf>()))
    //        go.AddComponent<AddressableReleaseSelf>();
    //}

    public IEnumerator LoadObjectSequential<T>(string path, Action<T> onLoaded)
    {
        AsyncOperationHandle<T> handle;

        try
        {
            // 로드 요청
            handle = Addressables.LoadAssetAsync<T>($"Assets/Res_Addr/{path}");
        }
        catch (Exception e)
        {
#if UNITY_EDITOR
            MyEditorDialog.Show_Dialog($"[Addressable] LoadAssetAsync 예외 발생: {path}\n{e}");
#endif
            yield break;
        }

        // 완료될 때까지 대기
        yield return handle;

        // 상태 확인
        if (handle.Status == AsyncOperationStatus.Succeeded)
        {
            onLoaded?.Invoke(handle.Result);
        }
        else
        {
#if UNITY_EDITOR
            MyEditorDialog.Show_Dialog($"[Addressable] Failed to load: {path}");
#endif
            // 실패 로그
            Debug.LogError($"[Addressable] Failed to load: {path}");

            // Exception 필드가 존재할 수도 있음
            if (handle.OperationException != null)
            {
                Debug.LogError($"[Addressable] Exception: {handle.OperationException}");
            }
        }

        // 필요 시 해제
        // Addressables.Release(handle);
    }

    public void Relese(AsyncOperationHandle handle)
    {
        if (handle.IsValid())
        {
            Addressables.Release(handle);
            handle = default; // 핸들 초기화
        }
    }
}

public class MyEditorDialog
{
    public static void Show_Dialog(string msg, Action onConfirm = null)
    {
#if UNITY_EDITOR
        bool result = EditorUtility.DisplayDialog(
            "알림",
            msg,
            "확인",
            "취소"
        );

        if (result)
        {
            onConfirm?.Invoke();
        }
#endif
    }
}