using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;

public class LocalLoadManager : MonoSingleton<LocalLoadManager>
{
    /// <summary>
    /// 已下载资源
    /// </summary>
  private  Dictionary<string, byte[]> dicLoaclData = new Dictionary<string, byte[]>();

    public void LocalLoadMaterial(DownLoadMaterial downloadMaterial)
    {
        if (dicLoaclData.ContainsKey(downloadMaterial.localLoadPath))
        {
            MsgHandler.SendMsg(downloadMaterial.localLoadPath, new Msg(downloadMaterial.localLoadPath, dicLoaclData[downloadMaterial.localLoadPath]));
        }
        else
            StartCoroutine(DownloadFile(downloadMaterial));
    }

    private System.Collections.IEnumerator DownloadFile(DownLoadMaterial downloadMaterial)
    {
        bool isDownLoad;
        using (UnityWebRequest webRequest = new UnityWebRequest(downloadMaterial.localLoadPath, UnityWebRequest.kHttpVerbGET))
        {
            webRequest.downloadHandler = (DownloadHandler)new DownloadHandlerBuffer();

            webRequest.SetRequestHeader("authorization", UserInfo.Instance.Token);
            webRequest.SetRequestHeader("Content-Type", "application/json");

            yield return webRequest.SendWebRequest();

            while (!webRequest.isDone)
            {
                // 此处可以显示下载进度条等UI操作
                //progress = webRequest.downloadProgress;
                //onProgress?.Invoke(progress);
                // Debug.Log("Download Progress: " + progress);
                yield return new WaitForFixedUpdate();
            }

            if (webRequest.isHttpError || webRequest.isNetworkError)
            {
                Debug.LogError("Download Failed: " + webRequest.error);
                // 下载失败 
                //downLoadState = webRequest.error;
                isDownLoad = false;
                MsgHandler.SendMsg(downloadMaterial.localLoadPath, new Msg(downloadMaterial.localLoadPath,null));
            }
            else
            {
                Debug.Log(webRequest.isDone + "    " + webRequest.downloadHandler.data.Length);
                // Debug.LogError("Download Failed: " + webRequest.error);

                dicLoaclData.Add(downloadMaterial.localLoadPath, webRequest.downloadHandler.data);
                isDownLoad = true;
                MsgHandler.SendMsg(downloadMaterial.localLoadPath, new Msg(downloadMaterial.localLoadPath, webRequest.downloadHandler.data));
            }
           
        }

    }
}