using System;
using System.Collections.Generic;

namespace Shared.SimpleControl.Phone
{
    public class Databackup : FrameLayout
    {
        //WebServiceBackup service_backup = new WebServiceBackup ();

        VerticalScrolViewLayout VerticalScrolViewMiddle;

        /// <summary>
        /// 构造函数
        /// </summary>
        public Databackup ()
        {
            BackgroundColor = SkinStyle.Current.MainColor;
        }

        /// <summary>
        /// 加载备份文件列表页面
        /// </summary>
        public void DatabackupShow ()
        {
            this.RemoveAll ();
            #region 标题
            var topView = new FrameLayout () {
                Y = Application.GetRealHeight (36),
                Height = Application.GetRealHeight (90),
                BackgroundColor = SkinStyle.Current.MainColor
            };
            AddChidren (topView);

            var title = new Button () {
                X = Application.GetRealWidth (90),
                Width = Application.GetRealWidth (640 - 180),
                TextAlignment = TextAlignment.Center,
                Text = UserConfig.Instance.CurrentRegion.Name + " " + Language.StringByID (R.MyInternationalizationString.Backup),
                TextSize = 19,
                TextColor = SkinStyle.Current.TextColor1,
            };
            topView.AddChidren (title);
            title.MouseUpEventHandler += (sdf, asf) => {
                Dialog dialog = new Dialog ();

                FrameLayout bodyView = new FrameLayout ();
                dialog.AddChidren (bodyView);
                bodyView.MouseUpEventHandler += (lkj, oiu) => {
                    dialog.Close ();
                };

                VerticalScrolViewLayout dialogBodyView = new VerticalScrolViewLayout () {
                    Y = Application.GetRealHeight (126),
                    Gravity = Gravity.CenterHorizontal,
                    Width = Application.GetRealWidth (500),
                    Height = Application.GetRealHeight (360),
                    BackgroundColor = SkinStyle.Current.MainColor,
                    Radius = 5,
                    BorderColor = SkinStyle.Current.Transparent,
                    BorderWidth = 0
                };
                bodyView.AddChidren (dialogBodyView);

                foreach (var homeTemp in UserConfig.Instance.HomeLists) {
                    var rowView = new RowLayout () {
                        Height = Application.GetRealHeight (110),
                    };
                    dialogBodyView.AddChidren (rowView);

                    Button btnRowLine = new Button () {
                        Y = Application.GetRealHeight (107),
                        Height = Application.GetRealHeight (3),
                        BackgroundColor = SkinStyle.Current.Black50Transparent
                    };
                    rowView.AddChidren (btnRowLine);

                    var btnPoint = new Button () {
                        Width = Application.GetRealWidth (10),
                        Height = Application.GetRealWidth (10),
                        X = Application.GetRealWidth (50),
                        Gravity = Gravity.CenterVertical,
                        UnSelectedImagePath = "Item/Point.png",
                        SelectedImagePath = "Item/Point.png",
                        Visible = homeTemp.Id != UserConfig.Instance.CurrentRegion.Id
                    };
                    rowView.AddChidren (btnPoint);

                    var btnName = new Button () {
                        Width = Application.GetRealWidth (550),
                        Text = homeTemp.Name,
                        TextAlignment = TextAlignment.CenterLeft,
                        X = Application.GetRealWidth (90),
                        TextColor = SkinStyle.Current.TextColor1,
                    };
                    rowView.AddChidren (btnName);

                    if (homeTemp.Id == UserConfig.Instance.CurrentRegion.Id) {
                        Button btnCheck = new Button () {
                            X = Application.GetRealWidth (20),
                            Y = Application.GetRealHeight (25),
                            Width = Application.GetRealWidth (72),
                            Height = Application.GetRealHeight (61),
                            UnSelectedImagePath = "Skin/Check.png",
                        };
                        rowView.AddChidren (btnCheck);
                    }

                    btnName.MouseUpEventHandler += (ss, ee) => {
                        if (UserConfig.Instance.CurrentRegion == homeTemp) {
                            dialog.Close ();
                            return;
                        }
                        MainPage.Loading.Start ("Please wait...");
                        System.Threading.Tasks.Task.Run (() => {
                            try {
                                var backuplist = IO.FileUtils.ReadFiles ();
                                int index = 0;
                                string oldRegionRootPath = IO.FileUtils.CreateRegionBackup (UserConfig.Instance.CurrentRegion.Id);
                                IO.FileUtils.DeleteRegionFiles (oldRegionRootPath);
                                foreach (var fileName in backuplist) {
                                    System.IO.FileInfo fileInfo = new System.IO.FileInfo (IO.FileUtils.RootPath + fileName);
                                    if (fileInfo.Exists) {
                                        fileInfo.MoveTo (oldRegionRootPath + fileName);
                                        Utlis.WriteLine ("move file : " + fileName);
                                    }
                                    index++;
                                    Application.RunOnMainThread (() => {
                                        int pro = (int)(index * 1.0 / backuplist.Count * 50);
                                        MainPage.Loading.Text = pro.ToString () + "%";
                                    });
                                }
                                IO.FileUtils.DeleteAllFile ();
                                string newRegionRootPath = IO.FileUtils.CreateRegionBackup (homeTemp.Id);
                                IO.FileUtils.RestoreRegionFiles (newRegionRootPath);
                                UserConfig.Instance.RefreshUserConfig ();
                                UserConfig.Instance.CurrentRegion = homeTemp;
                                UserConfig.Instance.SaveUserConfig ();

                                Room.InitAllRoom ();
                                //UserConfig.Instance.RefreshUserConfig ();
                                //MainPage.LoginUser.SaveUserInfo ();
                                Application.RunOnMainThread (() => {
                                    new Alert ("", Language.StringByID (R.MyInternationalizationString.SwitchRegionSuccessfully),
                                              Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                                    this.DatabackupShow ();
                                    EquipmentPublicClass.CheckLinkRemote (UserConfig.Instance.internetStatus);
                                });
                            } catch (Exception ex) {
                                Application.RunOnMainThread (() => {
                                    new Alert ("", Language.StringByID (R.MyInternationalizationString.CheckInternet),
                                               Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                                });
                                Utlis.WriteLine (ex.Message);
                            } finally {
                                Application.RunOnMainThread (() => {
                                    MainPage.Loading.Hide ();
                                    dialog.Close ();
                                });
                            }
                        });
                    };
                }
                dialog.Show ();
            };

            Button ItemButton = new Button () {
                Width = Application.GetRealWidth (55),
                Height = Application.GetRealHeight (55),
                UnSelectedImagePath = "Item/+.png",
                SelectedImagePath = "Item/+.png",
                Y = Application.GetRealHeight (15),
                X = Application.GetRealWidth (640 - 80),
            };
            topView.AddChidren (ItemButton);

            ItemButton.MouseUpEventHandler += (sender, e) => {
                Action finishAction = () => {
                    GetHomeDataBackupList ();
                };
                //弹窗提示上传备份Dialog
                CommonUtlis.Current.ShowUploadToAutomaticBackupDialog (finishAction);
            };

            var back = new Button () {
                Height = Application.GetRealHeight (90),
                Width = Application.GetRealWidth (85),
                UnSelectedImagePath = "Item/Back.png",
                Gravity = Gravity.CenterVertical,
            };
            topView.AddChidren (back);
            back.MouseUpEventHandler += (sender, e) => {
                (Parent as PageLayout).PageIndex -= 1;
            };
            #endregion

            var FrameLayoutView = new FrameLayout () {
                Width = LayoutParams.MatchParent,
                Height = Application.GetRealHeight (1136 - 126),
                Y = topView.Bottom,
                BackgroundColor = SkinStyle.Current.ViewColor,
            };
            AddChidren (FrameLayoutView);

            VerticalScrolViewMiddle = new VerticalScrolViewLayout ();
            VerticalScrolViewMiddle.RemoveAll ();
            FrameLayoutView.AddChidren (VerticalScrolViewMiddle);

            GetHomeDataBackupList ();
        }

        /// <summary>
        /// 获取住宅备份数据列表
        /// </summary>
        void GetHomeDataBackupList ()
        {
            System.Threading.Tasks.Task.Run (() => {
                try {

                    Application.RunOnMainThread (() => {
                        VerticalScrolViewMiddle.RemoveAll ();
                        MainPage.Loading.Start (Language.StringByID (R.MyInternationalizationString.load));
                    });
                    var revertObj = HttpServerRequest.Current.GetHomeDataBackupList ();
                    if (revertObj.Code == StateCode.SUCCESS) {
                        var data = Newtonsoft.Json.JsonConvert.DeserializeObject<List<BackupListNameInfoRes>> (revertObj.Data.ToString ());
                        if (data == null) return;
                        Application.RunOnMainThread (() => {
                            foreach (var folder in data) {
                                if (folder.backupClassify == "CUSTOM_PROJECT_BACKUP") { } else {
                                    AddRowView (folder);
                                }
                            }
                        });
                    } else {
                        //提示错误
                        IMessageCommon.Current.ShowErrorInfoAlter (revertObj.Code);
                    }

                } catch {
                    Application.RunOnMainThread (() => {
                        new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.CheckInternet), Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                    });
                } finally {
                    Application.RunOnMainThread (() => {
                        MainPage.Loading.Hide ();
                    });
                }
            });
        }

        /// <summary>
        /// 加载view
        /// </summary>
        /// <param name="groupName"></param>
        /// <param name="folderID"></param>
        void AddRowView (BackupListNameInfoRes mBackupFile)
        {
            var rowView = new RowLayout () {
                Height = Application.GetRealHeight (110),
            };
            VerticalScrolViewMiddle.AddChidren (rowView);

            Button btnRowLine = new Button () {
                Y = Application.GetRealHeight (107),
                Height = Application.GetRealHeight (3),
                BackgroundColor = SkinStyle.Current.Black50Transparent
            };
            rowView.AddChidren (btnRowLine);

            var btnDelFile = new Button () {
                TextID = R.MyInternationalizationString.Del,
                BackgroundColor = SkinStyle.Current.DelColor
            };
            btnDelFile.MouseUpEventHandler += (sender, e) => {
                Alert alert = new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.AreYouSureToDeleteFile), Language.StringByID (R.MyInternationalizationString.Cancel), Language.StringByID (R.MyInternationalizationString.Confrim));
                alert.ResultEventHandler += (sender2, e2) => {
                    if (e2) {
                        DeleteFolderData (mBackupFile.id);
                    }
                };
                alert.Show ();
            };

            //分享住宅隐藏删除备份按钮
            if (UserConfig.Instance.CurrentRegion.IsOthreShare == false) {
                rowView.AddRightView (btnDelFile);
            }

            var btnPoint = new Button () {
                Width = Application.GetRealWidth (10),
                Height = Application.GetRealHeight (10),
                X = Application.GetRealWidth (25),
                Gravity = Gravity.CenterVertical,
                UnSelectedImagePath = "Item/Point.png",
                SelectedImagePath = "Item/Point.png",
            };
            rowView.AddChidren (btnPoint);

            var btnName = new Button () {
                Width = Application.GetRealWidth (342),
                Height = LayoutParams.MatchParent,
                Text = mBackupFile.folderName.Trim (),
                TextAlignment = TextAlignment.CenterLeft,
                X = Application.GetRealWidth (50),
                TextColor = SkinStyle.Current.TextColor1,
            };
            rowView.AddChidren (btnName);

            //保存事件
            Action<string> renameAction = (newName) => {
                RenameFileName (newName, mBackupFile, btnName);
            };

            btnName.MouseUpEventHandler += (sender, e) => {
                CommonUtlis.Current.ShowEditTextDialog (mBackupFile.folderName, renameAction, Language.StringByID (R.MyInternationalizationString.rename));
            };

            var backupIcon = new Button () {
                Width = Application.GetRealWidth (72),
                Height = Application.GetRealHeight (57),
                X = Application.GetRealWidth (452),
            };
            rowView.AddChidren (backupIcon);

            var Backup_restores = new Button () {
                Width = Application.GetMinRealAverage (56),
                Height = Application.GetMinRealAverage (57),
                X = backupIcon.Right + Application.GetRealWidth (20),
                UnSelectedImagePath = "Register/Backup_ restores.png",
                SelectedImagePath = "Register/Backup_ restores.png",
                Gravity = Gravity.CenterVertical,
            };
            rowView.AddChidren (Backup_restores);
            Backup_restores.MouseDownEventHandler += (sender, e) => {
                Backup_restores.IsSelected = true;
            };
            Backup_restores.MouseUpEventHandler += (sender, e) => {
                Backup_restores.IsSelected = false;
                UserBakeupFileDetailedInformation (mBackupFile.id);
            };
        }

        /// <summary>
        /// 请求修改备注
        /// </summary>
        /// <param name="newName"></param>
        /// <param name="mAlexa"></param>
        /// <param name="btnName"></param>
        void RenameFileName (string newName, BackupListNameInfoRes mBackupFile, Button btnName)
        {
            MainPage.Loading.Start (Language.StringByID (R.MyInternationalizationString.load));
            System.Threading.Tasks.Task.Run (() => {
                try {

                    var revertObj = HttpServerRequest.Current.UpdateBackupFolderName (newName, mBackupFile);
                    if (revertObj.Code == StateCode.SUCCESS) {
                        //AmendTheSuccess 修改成功
                        Application.RunOnMainThread (() => {
                            mBackupFile.folderName = newName;
                            btnName.Text = newName;
                            Utlis.ShowAlertOnMainThread (Language.StringByID (R.MyInternationalizationString.AmendTheSuccess));
                        });
                    } else {
                        //提示错误
                        IMessageCommon.Current.ShowErrorInfoAlter (revertObj.Code);
                    }
                } catch {

                } finally {
                    Application.RunOnMainThread (() => {
                        MainPage.Loading.Hide ();
                    });
                }
            });

        }

        /// <summary>
        /// 删除某个备份
        /// </summary>
        /// <param name="folderID"></param>
        void DeleteFolderData (string folderId)
        {
            MainPage.Loading.Start (Language.StringByID (R.MyInternationalizationString.load));

            System.Threading.Tasks.Task.Run (() => {
                try {
                    
                    var revertObj = HttpServerRequest.Current.DeleteBackupFolder (folderId);
                    if (revertObj.Code == StateCode.SUCCESS) {
                        GetHomeDataBackupList ();
                    } else {
                        IMessageCommon.Current.ShowErrorInfoAlter (revertObj.Code);
                    }
                } catch { } finally {
                    Application.RunOnMainThread (() => {
                        MainPage.Loading.Hide ();
                    });
                }
            });

        }

        /// <summary>
        /// 用户恢复文件
        /// </summary>
        public void UserBakeupFileDetailedInformation (string folderId)
        {
            //是否确定恢复该文件数据信息
            Alert alert = new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.SureToRestoreFileInformation), Language.StringByID (R.MyInternationalizationString.Cancel), Language.StringByID (R.MyInternationalizationString.Confrim));
            alert.ResultEventHandler += (sender2, e2) => {
                if (e2) {
                    MainPage.Loading.Start ("Download...");
                    System.Threading.Tasks.Task.Run (() => {
                        try {
                            ReadFilesAndDelete ();

                            var revertObj = HttpServerRequest.Current.GetBackupFolderAllFileList (folderId);
                            if (revertObj.Code == StateCode.SUCCESS) {

                                var fileListData = Newtonsoft.Json.JsonConvert.DeserializeObject<List<BackupFileInfoRes>> (revertObj.Data.ToString ());

                                MultiThreadDownload (fileListData, folderId);

                            } else {
                                //提示错误
                                IMessageCommon.Current.ShowErrorInfoAlter (revertObj.Code);
                            }
                        } catch (Exception ex) {
                            Shared.Application.RunOnMainThread (() => {
                                new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.CheckInternet),
                                           Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                            });
                            Shared.Utlis.WriteLine (ex.ToString ());
                        } finally {
                            Shared.Application.RunOnMainThread (() => {


                                MainPage.Loading.Hide ();



                                MainPage.Loading.Start (Language.StringByID (R.MyInternationalizationString.load));
                                System.Threading.Tasks.Task.Run (() => {
                                    try {

                                        var revertObj = HttpServerRequest.Current.GetSpeakerList ();
                                        if (revertObj.Code == StateCode.SUCCESS) {
                                            var speakerListRes = Newtonsoft.Json.JsonConvert.DeserializeObject<SpeakerListRes> (revertObj.Data.ToString ());
                                            if (speakerListRes != null && speakerListRes.list != null && speakerListRes.list.Count > 0) {
                                               
                                            }
                                        } else {
                                            //提示错误
                                            IMessageCommon.Current.ShowErrorInfoAlter (revertObj.Code);
                                        }
                                    } catch {

                                    } finally {
                                        Application.RunOnMainThread (() => {
                                            MainPage.Loading.Hide ();
                                        });
                                    }
                                });


                            });
                        }
                    });
                }
            };
            alert.Show ();
        }

        /// <summary>
        /// 删除本地文件
        /// </summary>
        void ReadFilesAndDelete ()
        {
            var fileNames = IO.FileUtils.ReadFiles ();
            foreach (var fileName in fileNames) {
                if (fileName == UserInfo.GlobalRegisterFile || fileName == UserConfig.configFile) {
                    continue;
                }
                IO.FileUtils.DeleteFile (fileName);
            }

        }

        /// <summary>
        /// 
        /// </summary>
        private readonly object SendLocker = new object ();
        /// <summary>
        /// 
        /// </summary>
        private readonly object DownloadLocker = new object ();

        /// <summary>
        /// 多线程下载
        /// </summary>
        void MultiThreadDownload (List<BackupFileInfoRes> dataList, string folderId, int maxThreads = 5)
        {

            int index = 0;
            int indexCount = 0;
            var mFileList = dataList.FindAll ((obj) => obj.fileName != "null" && obj.fileName != UserConfig.configFile && obj.fileName != UserInfo.GlobalRegisterFile && obj.fileName != "AccountListDB" && obj.fileName != CommonConfig.ConfigFile);
            if (maxThreads > mFileList.Count) {
                maxThreads = mFileList.Count;
            }

            if (mFileList.Count <= 0) return;

            int resultCount = mFileList.Count / maxThreads;

            //int residue = mFileList.Count % maxThreads;

            /*开启若干线程，分别下载对应的资源*/
            for (int i = 1; i <= maxThreads; i++) {
                int startIndex = ((i - 1) * resultCount + 0);
                int endIndex = resultCount * i - 1;
                if (i == maxThreads) {
                    /*
                     * 最后一个线程
                     * */
                    endIndex = mFileList.Count - 1;
                }
                var id = i;
                var startIndex1 = startIndex;
                var endIndex1 = endIndex;
                //Utlis.WriteLine ($"下载线程：{id} startIndex1:{startIndex1}  endIndex1:{endIndex1}");
                new System.Threading.Thread (() => {

                    for (var j = startIndex1; j <= endIndex1; j++) {
                        try {
                            var result = DownloadSomeDataBackup (folderId, mFileList [j]);
                            if (result) {
                                lock (DownloadLocker) {
                                    index++;
                                }

                                //index++;

                                Application.RunOnMainThread (() => {
                                    int pro = (int)(index * 1.0 / mFileList.Count * 100);
                                    MainPage.Loading.Text = pro.ToString () + "%";
                                });

                            }
                        } catch { } finally {
                            lock (SendLocker) {
                                indexCount++;
                            }
                        }
                        //Utlis.WriteLine ($"下载线程：{id}  完成index:{j}  indexCount: {indexCount}");
                    }

                }) { IsBackground = true }.Start ();

                System.Threading.Thread.Sleep (100);

            }

            while (indexCount < mFileList.Count) {
                System.Threading.Thread.Sleep (200);
            }
            Utlis.WriteLine ($"下载完成");

            if (index != mFileList.Count) {
                //删除已经下载的文件个数错误
                ReadFilesAndDelete ();

                Application.RunOnMainThread (() => {
                    new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.DownloadFailed),
                               Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                });


                return;
            }


            MainPage.LoginUser.SaveUserInfo ();
            Room.InitAllRoom ();
            Application.RunOnMainThread (() => {
                //if (CommonPage.IsRemote) {
                //    SmartHome.MqttCommon.DisConnectRemote("UserBakeupFileDetailedInformation");
                //}
                this.RemoveFromParent ();
                UserMiddle.Init (true, true,false);
                EquipmentPublicClass.CheckLinkRemote (UserConfig.Instance.internetStatus);
                new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.RestoreFileIsSuccessfull),
                Language.StringByID (R.MyInternationalizationString.Close)).Show ();
            });



        }

        /// <summary>
        /// 下载单个备份文件
        /// </summary>
        /// <param name="mmDownLoad"></param>
        /// <param name="mUrlHead"></param>
        /// <param name="file"></param>
        /// <returns></returns>
        bool DownloadSomeDataBackup (string folderId, BackupFileInfoRes file)
        {
            var requestJson = HttpUtil.GetSignRequestJson (new BackupFileDownObj () {
                folderId = folderId,
                fileId = file.id,
                homeId = UserConfig.Instance.CurrentRegion.Id
            });
            var revertObj = HttpUtil.RequestHttpsDownload (NewAPI.API_POST_File_Down, requestJson, null, UserConfig.Instance.CurrentRegion.regionUrl);

            if (revertObj != null && revertObj.Length > 0) {
                Utlis.WriteLine ("DownloadSomeDataBackup: " + file.fileName);
                IO.FileUtils.WriteFileByBytes (file.fileName, revertObj);
                return true;
            } else {
                return false;
            }
        }

        #region 备上传和下载相关接口封装

        #endregion

    }
}