using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.ResourceManagement.AsyncOperations;
using UnityEngine.UI;

public class AddrHandleBase : MonoBehaviour
{
    protected Dictionary<string, AsyncOperationHandle> m_Handle = new Dictionary<string, AsyncOperationHandle>();

    protected void Load_Obj<T>(string path, Action<AsyncOperationHandle<T>> loadfinish = null)
    {
        ReleaseHandle(path);

        AddrResourceMgr.Ins.LoadObject<T>(path, handle =>
        {
            m_Handle[path] = handle;
            loadfinish?.Invoke(handle);
        });
    }

    protected void Load_Image(Image image, string path, Action loadfinish = null)
    {
        image.enabled = false;
        ReleaseHandle(path);

        AddrResourceMgr.Ins.LoadObject<Sprite>(path, handle =>
        {
            m_Handle[path] = handle;
            image.enabled = true;
            image.sprite = handle.Result;
            loadfinish?.Invoke();
        });
    }

    protected void Load_SpriteRenderer(SpriteRenderer image, string path, Action loadfinish = null)
    {
        image.enabled = false;
        ReleaseHandle(path);

        AddrResourceMgr.Ins.LoadObject<Sprite>(path, handle =>
        {
            m_Handle[path] = handle;
            image.enabled = true;
            image.sprite = handle.Result;
            loadfinish?.Invoke();
        });
    }

    protected void Load_SpriteRenderer(SpriteRenderer[] images, string path, Action loadfinish = null)
    {
        for (int i = 0; i < images.Length; i++)
            images[i].enabled = false;

        ReleaseHandle(path);

        AddrResourceMgr.Ins.LoadObject<Sprite>(path, handle =>
        {
            m_Handle[path] = handle;
            for (int i = 0; i < images.Length; i++)
            {
                images[i].enabled = true;
                images[i].sprite = handle.Result;
            }
            loadfinish?.Invoke();
        });
    }

    /// <summary>
    /// 특정 path의 핸들만 해제
    /// </summary>
    private void ReleaseHandle(string path)
    {
        if (m_Handle.TryGetValue(path, out var handle))
        {
            AddrResourceMgr.Ins.Relese(handle);
            m_Handle.Remove(path);
        }
    }

    protected virtual void OnDestroy()
    {
        foreach (var handle in m_Handle.Values)
            AddrResourceMgr.Ins.Relese(handle);

        m_Handle.Clear();
    }
}