using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using AX.NetworkSystem;
using System;
using System.IO;

public class DownloadFileTest : MonoBehaviour
{
    public string SessionTag;
    public string[] FileList;
    public string Folder;

    private string[] fullnameList;
    private float[] progressList;
    private bool[] completedList;

    private string baseFolder;
    private ErrorInfo error;

    private void Start()
    {
        if (FileList == null)
            Debug.LogError("出大事了！");

        fullnameList = new string[FileList.Length];
        progressList = new float[FileList.Length];
        completedList = new bool[FileList.Length];

        baseFolder = FileTransfer.GetTempPath();

        for (var i = 0; i < FileList.Length; ++i)
            fullnameList[i] = baseFolder + FileList[i];
    }

    private void OnGUI()
    {
        GUILayout.BeginArea(new Rect(0, 0, 500, 400));

        GUILayout.BeginVertical();

        if (GUILayout.Button("开始下载一个文件"))
        {
            for (var i = 0; i < FileList.Length; ++i)
            {
                var fullname = FileList[i];
                NetworkManager.GetSessionByTag(SessionTag).DownloadFileAsync(fullname, OnProgressChanged, OnCompleted);
            }
        }

        if (GUILayout.Button("开始下载一个文件夹"))
        {
            var baseFolder = Application.dataPath + "/";
            var files = Directory.GetFiles(baseFolder+Folder, "*.*", SearchOption.AllDirectories);
            for (var i = 0; i < files.Length; ++i)
            {
                var fullname = files[i].Replace(baseFolder, "");

                if (fullname.EndsWith(".meta"))
                    continue;

                NetworkManager.GetSessionByTag(SessionTag).DownloadFileAsync(fullname, OnFolderCompleted);
            }
        }

        if (GUILayout.Button("下载一个不存在的文件"))
        {
            NetworkManager.GetSessionByTag(SessionTag).DownloadFileAsync(FileList.Length + ".jpg", OnProgressChanged, OnCompleted, OnError);
        }

        for (var i = 0; i < FileList.Length; ++i)
        {
            GUILayout.BeginHorizontal();
            GUILayout.Label(FileList[i] + ": 进度 ");
            GUILayout.Label(progressList[i].ToString() + ", 完成 ");
            GUILayout.Label(completedList[i] ? "√" : "×");
            GUILayout.EndHorizontal();
        }

        if (!string.IsNullOrEmpty(error.ErrorMessage))
            GUILayout.Label("下载错误：" + error.Filename + ", 错误码: " + error.ErrorCode + ", 错误信息: " + error.ErrorMessage);

        GUILayout.EndVertical();

        GUILayout.EndArea();
    }

    private void OnFolderCompleted(string fullName)
    {
        Debug.Log(fullName);
    }

    private void OnError(ErrorInfo errorInfo)
    {
        error = errorInfo;
    }

    private void OnCompleted(string fullname)
    {
        var index = Array.IndexOf(fullnameList, fullname);

        completedList[index] = true;
    }

    private void OnProgressChanged(string fullname, float progress)
    {
        var index = Array.IndexOf(fullnameList, fullname);

        progressList[index] = progress;
    }
}