using Shared.Common;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
using ZigBee.Device;

namespace Shared.Phone.UserCenter.HdlBackup
{
    /// <summary>
    /// 网关备份的界面
    /// </summary>
    public class HdlGatewayBackUpForm : UserCenterCommonForm
    {
        #region ■ 变量声明___________________________

        /// <summary>
        /// 列表控件
        /// </summary>
        private VerticalScrolViewLayout listView = null;
        /// <summary>
        /// 网关对象(这个是真实物理网关对象)
        /// </summary>
        private ZbGateway zbRealGateway = null;

        #endregion

        #region ■ 初始化_____________________________

        /// <summary>
        /// 画面显示(底层会固定调用此方法，借以完成画面创建)
        /// </summary>
        /// <param name="i_zbGateway"></param>
        public void ShowForm(ZbGateway i_zbGateway)
        {
            this.zbRealGateway = i_zbGateway;

            //设置标题信息
            base.SetTitleText(Language.StringByID(R.MyInternationalizationString.uBackupAndRecover));

            //右上添加按钮
            var btnTopIcon = new TopLayoutMostRightView();
            btnTopIcon.UnSelectedImagePath = "Item/Add.png";
            btnTopIcon.SelectedImagePath = "Item/AddSelected.png";
            topFrameLayout.AddChidren(btnTopIcon);
            btnTopIcon.MouseUpEventHandler += (sender, e) =>
            {
                //显示添加备考名画面
                this.ShowAddBackupForm();
            };

            //初始化中部控件
            this.InitMiddleFrame();
        }

        /// <summary>
        /// 初始化中部控件
        /// </summary>
        private void InitMiddleFrame()
        {
            listView = new VerticalScrolViewLayout();
            listView.Height = bodyFrameLayout.Height;
            bodyFrameLayout.AddChidren(listView);

            new System.Threading.Thread(() =>
            {
                //从云端获取数据
                this.SetBackupInfoToForm();
            })
            { IsBackground = true }.Start();
        }

        #endregion

        #region ■ 从云端获取数据_____________________

        /// <summary>
        /// 从云端获取数据
        /// </summary>
        private async void SetBackupInfoToForm()
        {
            //进度条
            this.ShowProgressBar();

            //从云端获取数据 
            var pageData = await HdlBackupLogic.Current.GetBackupListNameFromDB(2, Common.LocalGateway.Current.GetGatewayId(zbRealGateway));
            //关闭
            this.CloseProgressBar();

            if (pageData == null)
            {
                return;
            }

            Application.RunOnMainThread(() =>
            {
                listView.RemoveAll();
            });

            foreach (BackupListNameInfo fileInfo in pageData)
            {
                Application.RunOnMainThread(() =>
                {
                    //添加备份行
                    this.AddRowlayout(fileInfo);
                });
            }
        }

        #endregion

        #region ■ 添加备份行_________________________

        /// <summary>
        /// 添加备份行
        /// </summary>
        /// <param name="fileInfo"></param>
        private void AddRowlayout(BackupListNameInfo fileInfo)
        {
            //行
            var rowLayout = new StatuRowLayout(listView);
            //图标
            var btnPoint = new RowLeftIconView();
            btnPoint.SelectedImagePath = "Center/BackupSelected.png";
            btnPoint.UnSelectedImagePath = "Center/Backup.png";
            rowLayout.AddChidren(btnPoint);

            //备份名字
            var txtText = new RowCenterView();
            txtText.Text = fileInfo.BackupName;
            rowLayout.AddChidren(txtText);
            txtText.X -= ControlCommonResourse.PointXXLeft;

            //编辑备注名
            rowLayout.MouseUpEvent += (sender, e) =>
            {
                //显示编辑备考名画面
                this.ShowEditorBackupForm(fileInfo);
            };

            //下载图标
            var btnLoad = new MostRightEmptyView();
            //启用点亮功能
            btnLoad.UseClickStatu = true;
            btnLoad.UnSelectedImagePath = "Item/DownLoad.png";
            btnLoad.SelectedImagePath = "Item/DownLoadSelected.png";
            rowLayout.AddChidren(btnLoad, ChidrenBindMode.NotBind);
            //下载图标太右边不好看 
            btnLoad.X -= Application.GetRealWidth(50);
            btnLoad.MouseUpEventHandler += (sender, e) =>
            {
                //是否要下载并恢复数据？
                string msg = Language.StringByID(R.MyInternationalizationString.uDownLoadAndRecoverMsg);
                this.ShowConfirmMsg(msg, "LoadBackupInfo", fileInfo.Id);
            };

            //删除
            var btnDelete = new RowDeleteButton();
            rowLayout.AddRightView(btnDelete);
            btnDelete.MouseUpEventHandler += (sender, e) =>
            {
                //确定要删除文件吗？
                string msg = Language.StringByID(R.MyInternationalizationString.uDoDeleteFileMsg);
                this.ShowConfirmMsg(msg, "DeleteBackInfo", fileInfo.Id, ShowErrorMode.YES);
            };
        }

        #endregion

        #region ■ 读取备份文档_______________________

        /// <summary>
        /// 读取备份文档
        /// </summary>
        /// <param name="BackupClassId"></param>
        public void LoadBackupInfo(string BackupClassId)
        {
            new System.Threading.Thread(async () =>
            {
                //获取网关上面存在的全部文件
                var listFile = await this.GetGatewayFileFromGateway();
                if (listFile == null)
                {
                    return;
                }
                //从云端获取备份的文件
                bool result = await HdlBackupLogic.Current.LoadGatewayBackupInfo(BackupClassId, zbRealGateway, listFile);
                if (result == false)
                {
                    //网关恢复失败
                    string msg2 = Language.StringByID(R.MyInternationalizationString.uGatewayFileRecoverFail);
                    this.ShowNormalMsg(msg2);
                    return;
                }

                Application.RunOnMainThread(() =>
                {
                    //关闭自身
                    this.CloseForm();
                });

                //网关恢复成功
                string msg = Language.StringByID(R.MyInternationalizationString.uGatewayFileRecoverSuccess);
                this.ShowNormalMsg(msg);
            })
            { IsBackground = true }.Start();
        }

        #endregion

        #region ■ 上传数据___________________________

        /// <summary>
        /// 上传数据
        /// </summary>
        /// <param name="backName"></param>
        private async void UpLoadBackInfo(string backName)
        {
            //展开进度条
            this.ShowProgressBar();

            //创建一个备份名字
            string backupClassId = await HdlBackupLogic.Current.CreatNewBackupNameToDB(backName, 2, Common.LocalGateway.Current.GetGatewayId(zbRealGateway));
            if (backupClassId == null)
            {
                //创建备份名字失败
                string msg = Language.StringByID(R.MyInternationalizationString.uCreatBackupNameFail);
                this.ShowErrorMsg(msg);

                //关闭进度条
                this.CloseProgressBar();
                return;
            }
            //添加附加情报:获取网关数据
            string appendText = Language.StringByID(R.MyInternationalizationString.uGetGatewayData);
            ProgressBar.SetAppendText(appendText);

            //这里是从网关获取备份文件:将网关文件存入到指定的路径下
            string directory = await this.SetGatewayFileInDirectory();
            //关闭进度条
            this.CloseProgressBar();
            if (directory == null)
            {
                //如果上传失败的话，就把它删除
                this.DeleteBackInfo(backupClassId, ShowErrorMode.NO);
                return;
            }

            //添加附加情报:上传数据
            appendText = Language.StringByID(R.MyInternationalizationString.uDataUpLoad);
            ProgressBar.SetAppendText(appendText);

            new System.Threading.Thread(async () =>
            {
                //上传数据到云端
                directory = UserCenterLogic.CombinePath(directory);
                bool result = await HdlBackupLogic.Current.UpLoadBackupFileToDB(backupClassId, 2, directory);
                //清空附加情报
                ProgressBar.SetAppendText(string.Empty);

                if (result == false)
                {
                    //文件上传失败
                    string msg = Language.StringByID(R.MyInternationalizationString.uFileUpLoadFail);
                    this.ShowErrorMsg(msg);

                    //如果上传失败的话，就把它删除
                    this.DeleteBackInfo(backupClassId, ShowErrorMode.NO);

                    return;
                }

                //刷新画面
                this.SetBackupInfoToForm();
            })
            { IsBackground = true }.Start();
        }

        #endregion

        #region ■ 编辑备份名称_______________________

        /// <summary>
        /// 编辑备份名称
        /// </summary>
        /// <param name="BackupClassId"></param>
        /// <param name="backName"></param>
        private async void EditorBackInfo(string BackupClassId, string backName)
        {
            //开启进度条
            this.ShowProgressBar();

            var Pra = new EditorBackUpNamePra();
            Pra.BackupClassId = BackupClassId;
            Pra.BackupName = backName;

            bool result = await UserCenterLogic.GetResultStatuByRequestHttps("App/UpdateHomeAppGatewayName", Pra);
            if (result == false)
            {
                //编辑备份名称失败
                string msg = Language.StringByID(R.MyInternationalizationString.uEditorBackupNameFail);
                this.ShowErrorMsg(msg);
                //关闭进度条
                this.CloseProgressBar();
                return;
            }

            this.SetBackupInfoToForm();
        }

        #endregion

        #region ■ 删除备份文档_______________________

        /// <summary>
        /// 删除备份文档
        /// </summary>
        /// <param name="BackupClassId"></param>
        /// <param name="showMode"></param>
        public async void DeleteBackInfo(string BackupClassId, ShowErrorMode showMode = ShowErrorMode.YES)
        {
            //进度条
            this.ShowProgressBar();

            bool success = await HdlBackupLogic.Current.DeleteDbBackupData(BackupClassId);

            //关闭进度条
            this.CloseProgressBar();

            if (success == false)
            {
                if (showMode == ShowErrorMode.YES)
                {
                    //删除备份失败
                    string msg = Language.StringByID(R.MyInternationalizationString.uDeleteBackupFail);
                    this.ShowErrorMsg(msg);
                }
                return;
            }

            this.SetBackupInfoToForm();
        }

        #endregion

        #region ■ 显示编辑备考名画面_________________

        /// <summary>
        /// 显示编辑备考名画面
        /// </summary>
        /// <param name="fileInfo"></param>
        /// <returns></returns>
        private void ShowEditorBackupForm(BackupListNameInfo fileInfo)
        {
            //生成一个弹窗画面
            var dialogForm = new DialogInputFrameControl(this, DialogFrameMode.OnlyInput);

            //编辑备份
            dialogForm.SetTitleText(Language.StringByID(R.MyInternationalizationString.uEditorBackup));
            //请输入备注名称
            dialogForm.SetTipText(Language.StringByID(R.MyInternationalizationString.uPleaseInpuBackup));
            dialogForm.InputText = fileInfo.BackupName;

            //按下确认按钮
            dialogForm.ComfirmClickEvent += (() =>
            {
                string txtvalue = dialogForm.InputText;
                //检测备考名称
                if (this.CheckBackupName(txtvalue) == false)
                {
                    return;
                }

                //画面关闭
                dialogForm.CloseDialog();

                //名字一样时，不处理
                if (txtvalue != fileInfo.BackupName)
                {
                    //编辑备份名称
                    this.EditorBackInfo(fileInfo.Id, txtvalue);
                }
            });
        }

        /// <summary>
        /// 显示添加备考名画面
        /// </summary>
        /// <returns></returns>
        private void ShowAddBackupForm()
        {
            //生成一个弹窗画面
            var dialogForm = new DialogInputFrameControl(this, DialogFrameMode.OnlyInput);

            //添加备份
            dialogForm.SetTitleText(Language.StringByID(R.MyInternationalizationString.uAddBackup));
            //请输入备注名称
            dialogForm.SetTipText(Language.StringByID(R.MyInternationalizationString.uPleaseInpuBackup));

            //按下确认按钮
            dialogForm.ComfirmClickEvent += (() =>
            {
                string txtvalue = dialogForm.InputText;
                //检测备考名称
                if (this.CheckBackupName(txtvalue) == false)
                {
                    return;
                }

                //画面关闭
                dialogForm.CloseDialog();

                //上传备份
                this.UpLoadBackInfo(txtvalue);
            });
        }

        #endregion

        #region ■ 获取网关文件_______________________

        /// <summary>
        /// 将网关文件存入到指定的路径下
        /// </summary>
        /// <returns></returns>
        private async Task<string> SetGatewayFileInDirectory()
        {
            //上传网关备份文件到云端的临时【文件夹】
            string dir = System.IO.Path.Combine(DirNameResourse.LocalMemoryDirectory, DirNameResourse.GatewayBackupDirectory);
            Global.CreateEmptyDirectory(dir, true);

            //从网关获取它的文件
            var listFile = await this.GetGatewayFileFromGateway();
            if (listFile == null)
            {
                return null;
            }
            
            int timeOutCount = 0;
            bool receiving = false;

            string checkTopic = Common.LocalGateway.Current.GetGatewayId(zbRealGateway) + "/FileTransfer/DownloadFile";
            var listByteSource = new List<byte>();
            //接收数据
            Action<string, byte[]> action = (topic, dataContent) =>
            {
                string[] arry = topic.Split(new string[] { "/" }, StringSplitOptions.RemoveEmptyEntries);
                string checkValue = arry[0] + "/" + arry[1] + "/" + arry[2];
                if (arry.Length < 3 || checkValue != checkTopic)
                {
                    return;
                }
                //刷新超时时间
                timeOutCount = 0;
                byte[] fileBytes = dataContent;
                if (fileBytes[5] != 1)
                {
                    if (fileBytes.Length == 2056)
                    {
                        var tempBytes = new byte[2048];
                        System.Array.Copy(fileBytes, 8, tempBytes, 0, 2048);
                        listByteSource.AddRange(tempBytes);
                    }
                    else
                    {
                        var tempBytes = new byte[fileBytes.Length - 8];
                        System.Array.Copy(fileBytes, 8, tempBytes, 0, tempBytes.Length);
                        listByteSource.AddRange(tempBytes);
                    }
                }
                else
                {
                    var tempBytes = new byte[fileBytes.Length - 8];
                    System.Array.Copy(fileBytes, 8, tempBytes, 0, tempBytes.Length);
                    listByteSource.AddRange(tempBytes);

                    string [] Arryfile = listFile[0].Split(new string[] { "/" }, StringSplitOptions.None);
                    string fileName = Arryfile[Arryfile.Length - 1];
                    //将输入写入本地的临时文件夹
                    Global.WriteFileToDirectoryByBytes(dir, fileName, listByteSource.ToArray());
                    listByteSource.Clear();

                    //移除死循环内的指定目标
                    listFile.RemoveAt(0);
                    receiving = false;
                }
            };
            zbRealGateway.FileContentAction += action;

            //设置进度条的最大值
            this.SetProgressMax(listFile.Count);

            while (listFile.Count > 0)
            {
                timeOutCount++;
                if (timeOutCount == 150)
                {
                    //30秒超时:响应超时,获取网关文件失败
                    string msg = Language.StringByID(R.MyInternationalizationString.uResponseTimeoutsAndGetGatewayFileFail);
                    this.ShowErrorMsg(msg);
                    zbRealGateway.FileContentAction -= action;
                    return null;
                }

                //接收中
                if (receiving == true)
                {
                    await Task.Delay(200);
                    continue;
                }
                receiving = true;

                string[] Arryfile = listFile[0].Split(new string[] { "/" }, StringSplitOptions.None);
                string fileName = Arryfile[Arryfile.Length - 1];
                //下载文件
                var saveFileName = await zbRealGateway.SetDownloadFileAsync(fileName);
                //检测网关返回的共通错误状态码
                var error = UserCenterLogic.CheckCommonErrorCode(saveFileName);
                if (error != null)
                {
                    this.ShowTip(error);
                    zbRealGateway.FileContentAction -= action;
                    return null;
                }
                if (saveFileName == null || saveFileName.setDownloadFileResponseData == null || saveFileName.setDownloadFileResponseData.Result != 0)
                {
                    //获取网关文件失败
                    string msg = Language.StringByID(R.MyInternationalizationString.uGetGatewayFileFail);
                    this.ShowErrorMsg(msg);
                    zbRealGateway.FileContentAction -= action;
                    return null;
                }
                //设置进度值
                this.SetProgressValue(1);
            }
            zbRealGateway.FileContentAction -= action;

            return dir;
        }

        /// <summary>
        /// 从网关获取它的文件
        /// </summary>
        /// <returns></returns>
        private async Task<List<string>> GetGatewayFileFromGateway()
        {
            var fileData = await zbRealGateway.FileTransferLsDirAsync();
            //检测网关返回的共通错误状态码
            string error = UserCenterLogic.CheckCommonErrorCode(fileData);
            if (error != null)
            {
                this.ShowErrorMsg(error);
                return null;
            }

            if (fileData == null || fileData.fileTransferLsDiResponseData == null || fileData.fileTransferLsDiResponseData.Result != 0)
            {
                //获取网关文件失败
                string msg = Language.StringByID(R.MyInternationalizationString.uGetGatewayFileFail);
                this.ShowErrorMsg(msg);
                return null;
            }
            var listFile = new List<string>();
            foreach (var filedata in fileData.fileTransferLsDiResponseData.Dir)
            {
                listFile.Add(filedata.File);
            }
            return listFile;
        }

        #endregion

        #region ■ 一般方法___________________________

        /// <summary>
        /// 检测备考名称
        /// </summary>
        /// <param name="backName"></param>
        /// <returns></returns>
        private bool CheckBackupName(string backName)
        {
            if (backName == string.Empty)
            {
                //请输入备注名称
                string msg = Language.StringByID(R.MyInternationalizationString.uPleaseInpuBackup);
                this.ShowErrorMsg(msg);
                return false;
            }
            return true;
        }
        #endregion
    }
}