using System;
using Shared.SimpleControl.Phone;

namespace Shared.SimpleControl
{
    public class EquipmentPublicClass
    {

        static bool BSaveGateWay = true;

        public void AlertNotOnline ()
        {
            new Alert (Language.StringByID (R.MyInternationalizationString.Tip), Language.StringByID (R.MyInternationalizationString.TipEquipmentNotOnline), Language.StringByID (R.MyInternationalizationString.Close)).Show ();
        }

        static bool isConnectiong = false;
        static DateTime mFlagDateTime;
        /// <summary>
        /// 检测/连接远程
        /// </summary>
        public static void CheckLinkRemote (int status, bool IsReconnectRemote = true)
        {

            //20S后强制重置isConnectiong状态，防止isConnectiong一直为true状态
            if (mFlagDateTime.AddSeconds (20).Ticks <= System.DateTime.Now.Ticks) {
                mFlagDateTime = DateTime.Now;
                if (isConnectiong) {
                    Shared.Utlis.WriteLine ("20s》isConnectiong true ");
                    isConnectiong = false;
                }
            }

            if (isConnectiong) {
                return;
            }
            isConnectiong = true;
            UserConfig.Instance.internetStatus = status;

            if (MainPage.LoginUser == null || !MainPage.LoginUser.IsLogin) {
                isConnectiong = false;
                return;
            }

#if DEBUG
            Shared.Utlis.WriteLine ($"CheckLinkRemote: 开始");
#endif

            new System.Threading.Thread (async () => {
                bool IsRemoteLoadingShow = false;
                //Control.IsCanLocal = false;
                try {
                    if (status == 0) {
                        Utlis.ShowAppLinkStatus (AppLinkStatus.WiFiUnlink);
                        Application.RunOnMainThread (() => {
                            MainPage.AddTip (Language.StringByID (R.MyInternationalizationString.InternetStatusTip));
                        });
                        if (CommonPage.IsRemote) {
                            SmartHome.MqttCommon.DisConnectRemote ("NO net", false);
                        }
                    } else {

                        #region 新方案
                        var mHomeGateway = UserConfig.Instance.HomeGateway;
                        //1.当前住宅云端还没绑定网关
                        if (mHomeGateway == null) {
                            Utlis.ShowAppLinkStatus (AppLinkStatus.WiFiOffline);
                            DisConnectRemoteAsync ();
                        }

                        //2.远程连接情况下，是否需要断开连接重连
                        if (IsReconnectRemote) {
                            if (CommonPage.IsRemote) {
                                CommonPage.IsRemote = false;
                                Utlis.ShowAppLinkStatus (AppLinkStatus.WiFiOffline);
                                SmartHome.MqttCommon.DisConnectRemote ("IsReconnectRemote");
                            }
                        }

                        bool canRemote = false;
                        if (CommonPage.IsRemote) {
                            SmartHome.MqttCommon.MqttRemoteSend (new byte [] { }, 3);
                        }
                        //当前住宅云端是否绑定网关，默认没有
                        bool HomeGatewaysExists = false;
                        SmartHome.MqttCommon.GatewayCommon = null;
                        if (mHomeGateway != null) {
                            //(1).当前住宅云端已经绑定网关
                            HomeGatewaysExists = true;
                            //(2).模拟生成一个网关对象
                            SmartHome.MqttCommon.GatewayCommon = new OnePortBus () {
                                SubnetID = (byte)mHomeGateway.subnetId,
                                DeviceID = (byte)mHomeGateway.deviceId,
                                MAC = mHomeGateway.mac,
                                Remote_IP1 = "115.29.251.24",
                                Remote_IP1_Prot = "9999",
                                Name = "OnePortBus",
                                obj1 = 1,
                            };
                            canRemote = true;
                            //(3).当前Wi-Fi连接，参试本地搜索网关
                            if (status == 2) {
                                //var result = Control.ControlBytesSendHasReturn (Command.ReadGateway, common.SubnetID, common.DeviceID, new byte [] { (byte)new Random ().Next (255), (byte)new Random ().Next (255) });
                                #region
                                //开始本地搜索网关...
                                //MainPage.AddTip (Language.StringByID (R.MyInternationalizationString.SearchingGatewayLocally));
                                MainPage.LoadingStart (Language.StringByID (R.MyInternationalizationString.SearchingGatewayLocally));

                                var control = new Control ();
                                control.Send (new Target () {
                                    IPEndPoint = new System.Net.IPEndPoint (System.Net.IPAddress.Parse (new Net.NetWiFi ().BroadcastIpAddress.ToString ()), 6000),
                                    Command = Command.ReadGateway,
                                    SubnetID = SmartHome.MqttCommon.GatewayCommon.SubnetID,
                                    DeviceID = SmartHome.MqttCommon.GatewayCommon.DeviceID,
                                    AddData = new byte [] { (byte)new Random ().Next (255), (byte)new Random ().Next (255) },
                                }, SendCount.Three, true, true);
                                var result = control.UsefulBytes;

                                #endregion
                                if (result != null) {
                                    var mac0 = CommonPage.byteToHex16 (result [5]) + "." + CommonPage.byteToHex16 (result [6]) + "." + CommonPage.byteToHex16 (result [7]) + "." + CommonPage.byteToHex16 (result [8]) + "." + CommonPage.byteToHex16 (result [9]) + "." + CommonPage.byteToHex16 (result [10]) + "." + CommonPage.byteToHex16 (result [11]) + "." + CommonPage.byteToHex16 (result [12]);
                                    if (SmartHome.MqttCommon.GatewayCommon.MAC.Replace (".", "").Replace (":", "").ToUpper () == mac0.Replace (".", "").Replace (":", "").ToUpper ()) {
                                        //搜索成功，启用本地连接
                                        //Control.IsCanLocal = true;//本地搜索成功，允许本地通信
                                        canRemote = false;
                                        Shared.SimpleControl.CommonPage.IsRemote = false;
                                        Application.RunOnMainThread (() => {
                                            Utlis.ShowAppLinkStatus (AppLinkStatus.WiFi);
                                            MainPage.Loading.Hide ();
                                        });
                                        UserMiddle.ReadAllDeviceStatus ();
                                        await SmartHome.MqttCommon.DisConnectRemote ("WIFI", false);
                                        MainPage.AddTip (Language.StringByID (R.MyInternationalizationString.SearchGatewaySuccess));
                                    }
                                } else {
                                    //搜索失败，启用远程连接
                                    MainPage.AddTip (Language.StringByID (R.MyInternationalizationString.SearchGatewayFail));
                                }
                            }
                            //(3).本地搜索不到网关或者没连接Wi-Fi情况下，检测是否拥有当前住宅的远程权限
                            if (canRemote) {
                                if (!UserConfig.Instance.AllowRemoteControl) {
                                    //没有当前住宅的远程权限
                                    canRemote = false;
                                    MainPage.AddTip (Language.StringByID (R.MyInternationalizationString.NoRemoteControlPermission));
                                }
                            }
                        }

                        //5.能远程
                        if (canRemote) {
                            if (!CommonPage.IsRemote) {
                                if (UserConfig.Instance.CheckHomeGatewaysNotEmpty ()) {
                                    if (!string.IsNullOrEmpty (UserConfig.Instance.GatewayMAC)) {
                                        // 5.1能远程,显示CloudUnlink状态，IsRemote设为true开始远程
                                        //MainPage.AddTip (Language.StringByID (R.MyInternationalizationString.StartEnablingRmote));
                                        MainPage.LoadingTipShow (Language.StringByID (R.MyInternationalizationString.StartEnablingRmote));
                                        Utlis.ShowAppLinkStatus (AppLinkStatus.CloudUnlink);
                                        IsRemoteLoadingShow = true;
                                        CommonPage.IsRemote = true;
                                        SmartHome.MqttCommon.InitState ();
                                    }
                                }
                            }

                        } else {
                            //6.不能远程，如果之前远程模式则断开MQTT连接,显示为未连接
                            if (CommonPage.IsRemote) {
                                Utlis.ShowAppLinkStatus (AppLinkStatus.WiFiOffline);
                                CommonPage.IsRemote = false;
                                await SmartHome.MqttCommon.DisConnectRemote ("", false);
                            }
                            //本地不存在与当前住宅绑定网关的数据
                            if (!HomeGatewaysExists) {
                                Utlis.ShowAppLinkStatus (AppLinkStatus.WiFiOffline);
                            }
                        }
                    }
                    #endregion
                } catch (Exception ex) {
                    Shared.Utlis.WriteLine ("CheckLinkRemote : " + ex.ToString ());
                } finally {
                    isConnectiong = false;
                    //if (!IsRemoteLoadingShow) {
                    //    Application.RunOnMainThread (() => {
                    //        MainPage.Loading.Hide ();
                    //    });
                    //}

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

                    ////不是远程 并且本地搜索不到匹配的网关就提示禁止本地发送
                    //if (!CommonPage.IsRemote && !Control.IsCanLocal && status != 0) {
                    //    Application.RunOnMainThread (() => {
                    //        Utlis.ShowAppLinkStatus (AppLinkStatus.WiFiUnlink);
                    //        //无法本地通信。当前住宅云端没有绑定网关、或者当前住宅本地没有网关数据！
                    //        //MainPage.AddTip (Language.StringByID (R.MyInternationalizationString.DisableLocalCommunication));
                    //        //new Alert (Language.StringByID (R.MyInternationalizationString.Tip),
                    //        //    Language.StringByID (R.MyInternationalizationString.DisableLocalCommunication),
                    //        //    Language.StringByID (R.MyInternationalizationString.Close)).Show ();
                    //    });
                    //}

#if DEBUG
                    Shared.Utlis.WriteLine ($"CheckLinkRemote: 结束");
#endif
                }
            }) { IsBackground = true }.Start ();
        }

        /// <summary>
        /// 关闭远程连接模式，并断开MQTT
        /// </summary>
        /// <returns></returns>
        static async System.Threading.Tasks.Task DisConnectRemoteAsync ()
        {

            if (CommonPage.IsRemote) {
                CommonPage.IsRemote = false;
                await SmartHome.MqttCommon.DisConnectRemote ();
            }
        }
    }
}