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

/// <summary>
/// 
/// </summary>
public class TextAssetManager : MonoSingleton<TextAssetManager>
{ 

    /// <summary>
    /// 资源
    /// </summary>
    public Dictionary<string, TextAsset> mIconRes = new Dictionary<string, TextAsset>();
 
    /// <summary>
    /// 初始化
    /// </summary>
    private void Start()
    {
        mIconRes.Clear();
        //LoadRes("GateDialog", () =>
        //{
        //});
    }
 

    /// <summary>
    /// 加载资源
    /// </summary>
    /// <param name="bundleName"> 资源包的名称 </param>
    /// <param name="ac"> 加载完后执行的回调 </param>
    private void LoadRes(string bundleName, Action ac)
    {
        ResourceHelper.Instance.LoadAssetBundle(bundleName, (AssetBundle bundle) =>
        {
            if (null != bundle)
            {
                GameObject go = (GameObject)bundle.LoadAsset(bundleName);             

                UnityEngine.Object[] sprObj = bundle.LoadAllAssets(typeof(TextAsset));
             
                foreach (UnityEngine.Object obj in sprObj)
                {
                    mIconRes[obj.name] = (TextAsset)obj;
                }
            }

            ac();
        });
    }

    /// <summary>
    /// 获取资源
    /// </summary> 
    /// <param name="iconContainer">容器bundle名称</param>
    /// <param name="resName"> 查找的名称 </param>  
    /// <param name="callBack">赋值成功后回调</param>     
    public void GetTextAsset(string iconContainer, string resName, Action<TextAsset> callBack)
    {
        string bundleName = resName;

        if (mIconRes.ContainsKey(bundleName) && mIconRes[bundleName] != null)
        {
            if (callBack != null)
            {
                callBack(mIconRes[bundleName]);
            }
        }
        else
        {
            LoadRes(IconPrefixConst.getIconContainerName(iconContainer), () =>
            {
                if (mIconRes.ContainsKey(bundleName))
                {
                    if (callBack != null)
                    {
                        callBack(mIconRes[bundleName]);
                    }
                }
                else
                {
                    callBack(null);
                }
            });
        }
    }

    /// <summary>
    /// 对话
    /// </summary>
    public const string GateDialogBundleName = "GateDialog";
}