using UnityEngine;
using UnityEngine.UI;
using AX.NetworkSystem;
using System.IO;

public class FileTransTipWinManager : MonoBehaviour {
    public static TransferTask task;
    /// <summary>
    /// 设置文件传输进度展示。
    /// </summary>
    /// <param name="tips"></param>
    /// <param name="files"></param>
    /// <param name="type"></param>
    /// <param name="ID">上传Answer和CourseWare时赋值ID，其他情况ID为空</param>
    public void SetWindow(string tips, string[] files, TransferType type)
    {
        transform.name = "FileTransTipWindow";
        transform.SetParent(GameObject.Find("Canvas").transform);
        transform.localScale = new Vector3(1, 1, 1);
        GetComponent<RectTransform>().anchoredPosition = new Vector2(1000, -400);
        //transform.FindChild("Tip").GetComponent<Text>().text = tips;

        //销毁窗口
        if (type == TransferType.Upload)
        {
            UpLoadFiles(files);
            transform.Find("Tip").GetComponent<Text>().text = "上传文件";
        }
        else
        {
            DownLoadFiles(files);
            transform.Find("Tip").GetComponent<Text>().text = "下载文件";
        }
        if (transform.Find("OK"))
        {
            transform.Find("OK").gameObject.SetActive(false);
        }
    }
    public void SetFileTrans(string tips, string[] files, TransferType type)
    {
        if (type == TransferType.Upload)
        {
            UpLoadFiles(files);
        }
        else
        {
            DownLoadFiles(files);
        }
    }

    private void DownLoadFiles(string[] files)
    {
        //下载文件
        string[] Lfiles = new string[files.Length];
        string[] Sfiles = new string[files.Length];
        //获取本地路径
        for (int i = 0; i < files.Length; i++) {
            Lfiles[i] = ExamInfoHelpClass.CurrentWorkPath + files[i];
        }
        //获取远端路径
        for (int i = 0; i < files.Length; i++)
        {
            Sfiles[i] = "Db/" + files[i];
        }

        task = FileTransfer.CreateTransferTask(NetworkManager.Default, Lfiles, Sfiles, TransferType.Download);
        //task.SetRootPath(ExamInfoHelpClass.CurrentWorkPath);
        task.Start();//开始传输
        //start后要在传输完毕后stop
        task.ProgressChanged += Task_ProgressChanged;
        task.TransferTaskCompleted += DownloadTask_TransferTaskCompleted;
    }

    private void DownloadTask_TransferTaskCompleted()
    {
        task.ProgressChanged -= Task_ProgressChanged;
        task.TransferTaskCompleted -= DownloadTask_TransferTaskCompleted;
        if (transform.Find("OK"))
        {
            transform.Find("OK").gameObject.SetActive(true);
        }
        FileTransfer.DestroyTransferTask(task);
    }

    public void DestroyWindow()
    {
        Destroy(gameObject);
    }

    private void UpLoadFiles(string[] files)
    {
        if (files.Length<= 0)
        {
            return;
        }
        string[] Lfiles = new string[files.Length];
        string[] Sfiles = new string[files.Length];
        //获取本地路径
        for (int i = 0; i < files.Length; i++)
        {
            if ( files[i].Contains("Answers") || files[i].Contains("Coursewares") || files[i].Contains("Scores"))
            {
                var strs = files[i].Split('/');
                if (strs.Length == 3)
                {
                    Lfiles[i] = ExamInfoHelpClass.CurrentWorkPath + strs[0] + "/" + strs[2];
                }
                else
                    Debug.LogError("获取不合法目录！");
            }
            else
            {
                Lfiles[i] = ExamInfoHelpClass.CurrentWorkPath + files[i];
            }
        }
        //获取远端路径
        for (int i = 0; i < files.Length; i++)
        {
            Sfiles[i] = "Db/" + files[i];
        }
        task = FileTransfer.CreateTransferTask(NetworkManager.Default, Lfiles, Sfiles, TransferType.Upload);
        task.Start();//开始传输
        //start后要在传输完毕后stop
        task.ProgressChanged += Task_ProgressChanged;
        task.TransferTaskCompleted += UplaodTask_TransferTaskCompleted;
    }

    private void UplaodTask_TransferTaskCompleted()
    {
        var filesL = task.StoragePath;
        var filesS = task.TransferPath;
        //if (files[0].Contains("Answers"))
        //{
        //    BaseItemManager.AnswerList.Clear();//清空待上传答案列表
        //}
        //移除事件
        task.ProgressChanged -= Task_ProgressChanged;
        task.TransferTaskCompleted -= UplaodTask_TransferTaskCompleted;
        FileTransfer.DestroyTransferTask(task);

        //如果是创建的课件，删除本地文件前先转存到对应ID路径下，避免自己的东西还要下载
        if ( filesL[0].Contains("Coursewares") || filesL[0].Contains("Answers") || filesL[0].Contains("Scores"))
        {
            for (int i = 0; i < filesS.Length; i++)
            {
                var strs = filesS[i].Split('/');
                if (strs.Length == 4)
                {
                    var path = ExamInfoHelpClass.CurrentWorkPath + strs[1] + "/" + strs[2] + "/";
                    var file = path + strs[3];
                    if (!Directory.Exists(path))
                    {
                        Directory.CreateDirectory(path);
                    }
                    File.Copy(filesL[i], file, true);
                }
                else
                    Debug.LogError("长度错误！");
            }
        }
        if (transform.Find("OK"))
        {
            transform.Find("OK").gameObject.SetActive(true);
        }
        if (filesL[0].Contains("Questions") || filesL[0].Contains("Scores"))
            return;
        //传输完成，删除文件
        for (int i = 0; i < filesL.Length; i++)
        {
            File.Delete(filesL[i]);
        }

    }

    private void Task_ProgressChanged(float arg1, float arg2)
    {
        if (transform.Find("Slider"))
        {
            transform.Find("Slider").GetComponent<Slider>().value = arg2 / 100;
        }
        else
        {
            transform.Find("process").GetComponent<Image>().fillAmount = arg2 / 100;
        }
        transform.Find("indicator").GetComponent<Text>().text = (int)arg2 + "%";
    }
}