using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Xamarin.Forms;
using InABox.Core;
using InABox.Clients;
using InABox.Mobile;
using Comal.Classes;
using InABox.Configuration;
using JetBrains.Annotations;
using XF.Material.Forms.UI.Dialogs;
using Comal.Classes.SecurityDescriptors;

namespace PRS.Mobile
{

    public class MainPageSettings : ILocalConfigurationSettings
    {
        public bool ClockOnDisabled
        {
            get;
            set;
        }

        public MainPageSettings()
        {
            ClockOnDisabled = true;
        }
        
    }
    
    public partial class MainPage
    {
        #region Fields
        
        private readonly MainPageSettings _settings;
        private readonly Dictionary<String, MobileDatabaseSettings> _profiles;
        private TimeSheet _currenttimesheet;
        
        #endregion

        #region Constructor

        private readonly Task[] _setuptasks;
        
        public MainPage()
        {
            
            _settings = new LocalConfiguration<MainPageSettings>().Load();
            
            _setuptasks = new Task[]
            {
                Task.Run(() => App.Data.GPSTrackers.Refresh(false)),
                Task.Run(() => App.Data.BluetoothGates.Refresh(false)),
                Task.Run(() => CheckTimeSheet())
            };
            
            App.Data.GPSLocationUpdated += OnGPSLocationUpdated;
            App.Data.BluetoothScanFinished += OnBluetothScanFinished;
            
            InitializeComponent();
            
            ProgressVisible = true;
            
            var logo = Path.Combine(CoreRepository.CacheFolder(), "logo.png");
            if (File.Exists(logo))
                _splash.Source = FileImageSource.FromFile(logo);
            else
                _splash.Source = ImageSource.FromFile("splash");
            
            _profiles = new LocalConfiguration<MobileDatabaseSettings>().LoadAll();
            if (_profiles.Count > 1)
            {
                _menu.Items.Clear();
                _menu.Clicked -= SettingsTapped;
                foreach (var profile in _profiles)
                {
                    var item = new MobileMenuItem()
                    {
                        Image = profile.Value.IsDefault ? ImageSource.FromFile("tick") : null,
                        Text = profile.Key,
                        BindingContext = profile.Value
                    };
                    item.Clicked += ProfileTapped;
                    _menu.Items.Add(item);
                }
                _menu.Items.Add(new MobileMenuSeparator());
                var settings = new MobileMenuItem()
                {
                    Text = "Settings"
                };
                settings.Clicked += SettingsTapped;
                _menu.Items.Add(settings);
            }
            
            BackButtonEnabled = App.IsSharedDevice;

            SetupModules();
            
            // LocalNotificationCenter.Current.NotificationActionTapped += (Plugin.LocalNotification.EventArgs.NotificationActionEventArgs e) =>
            // {
            //     if (MainPageUtils.DetermineCorrectPage(e) != null)
            //     {
            //         Device.BeginInvokeOnMainThread(() =>
            //         {
            //             Navigation.PushAsync(MainPageUtils.DetermineCorrectPage(e));
            //         });
            //     }
            // };
            //
            // MainPageUtils.OnMainPageNotificationsChanged += RefreshOnNotificationsChange;
            
            MessagingCenter.Subscribe<App>(this, App.MessageOnResume,
                (o) =>
                {
                    if (!App.GPS.RecentlyLocated)
                        App.GPS.GetLocation();
                    RefreshScreen();
                }
            );
   
        }

        private async void ProfileTapped(object sender, EventArgs e)
        {
            if (sender is MobileMenuItem item && item.BindingContext is MobileDatabaseSettings settings)
            {
                foreach (var profile in _profiles)
                    profile.Value.IsDefault = profile.Value == settings;
                new LocalConfiguration<MobileDatabaseSettings>().SaveAll(_profiles);
                
                ClientFactory.InvalidateUser();
                if (App.Current.Properties.ContainsKey("SessionID"))
                    App.Current.Properties.Remove("SessionID");
            
                App.Data.Reset();
                
                ClientFactory.InvalidateUser();
                if (App.Current.Properties.ContainsKey("SessionID"))
                    App.Current.Properties.Remove("SessionID");
            
                App.Data.Reset();
            
                TransportStatus connection = TransportStatus.None;
                using (await MaterialDialog.Instance.LoadingDialogAsync(message: "Connecting"))
                {
                
                    await Task.Run(() =>
                    {
                        CoreRepository.CacheID = settings.CacheID;

                        connection = App.ConnectTransport(settings.URLs);
                        var info = App.Transport.Info();
                        if (info?.Logo?.Any() == true)
                            File.WriteAllBytes(Path.Combine(CoreRepository.CacheFolder(),"logo.png"), info.Logo);
                    });
                }

                if (connection != TransportStatus.OK)
                {
                    await DisplayAlert("Connection Error", $"Unable to establish a connection!\n\nERR: {connection}", "OK");
                    return;
                }
                
                Navigation.PopAsync();

            }
        }

        #endregion

        #region OnAppearing and Display


        private SelectionPage _selectionpage;

        protected override void OnAppearing()
        {
            _pollingToken = new CancellationTokenSource();
            
            StartMonitoringNotifications();
            StartMonitoringTasks();
            StartMonitoringVersion();
            StartMonitoringEmpoyeeDetails();
            
            //ProgressVisible = false;
            if (_selectionpage == null)
            {
                CheckTimeSheet();
            }
            
            _selectionpage = null;

            Task.WaitAll(_setuptasks);
            
            RefreshScreen();
            base.OnAppearing();
        }
        
        protected override void OnDisappearing()
        {
            EnableModules(false);
            _pollingToken.Cancel();
            base.OnDisappearing();
        }
        
        private void OnBluetothScanFinished(BluetoothEventArgs args)
        {
            Dispatcher.BeginInvokeOnMainThread(RefreshScreen);
        }

        private void OnGPSLocationUpdated(GPSEventArgs args)
        {
            Dispatcher.BeginInvokeOnMainThread(RefreshScreen);
        }
        
        void SetupClockOnButton(bool disable)
        {
            if (disable != _settings.ClockOnDisabled)
            {
                _settings.ClockOnDisabled = disable;
                new LocalConfiguration<MainPageSettings>().Save(_settings);
            }
            
            SplashCard.IsVisible = disable;
            
            ClockOnButton.IsVisible = !disable;
            jobBtn.IsVisible = !disable;
            addNoteBtn.IsVisible = !disable;
            taskBtn.IsVisible = !disable;
        }

        private void SetupModules()
        {          
            SetupClockOnButton(Security.IsAllowed<IsJobOnlyEmployee>());
            
            Tools.BeginUpdate();
            Assignments.IsVisible = Security.IsAllowed<ViewMobileAssignmentsModule>();
            Deliveries.IsVisible = Security.IsAllowed<ViewMobileDeliveriesModule>();
            Forms.IsVisible = Security.IsAllowed<ViewMobileFormsModule>();
            Equipment.IsVisible = Security.IsAllowed<ViewMobileEquipmentModule>();
            MyHR.IsVisible =
                Security.IsAllowed<ViewMobileEmployeeDetailsModule>()
                || Security.IsAllowed<ViewMobileEmployeeFormsModule>()
                || Security.IsAllowed<ViewMobileLeaveRequestsModule>()
                || Security.IsAllowed<ViewMobileQualificationsModule>()
                || Security.IsAllowed<ViewMobileTimesheetsModule>();
               
            InOut.IsVisible = Security.IsAllowed<ViewMobileInOutModule>();
            Manufacturing.IsVisible = Security.IsAllowed<ViewMobileManufacturingModule>();
            Meetings.IsVisible = Security.IsAllowed<ViewMobileMeetingsModule>();
            Products.IsVisible = Security.IsAllowed<ViewMobileProductsModule>();
            PurchaseOrders.IsVisible = Security.IsAllowed<ViewMobilePurchaseOrdersModule>();
            Scans.IsVisible = Security.IsAllowed<ViewMobileDocumentScannerModule>();
            MyTasks.IsVisible = Security.IsAllowed<ViewMobileMyTasksModule>();
            Site.IsVisible = Security.IsAllowed<ViewMobileSiteModule>();
            Warehousing.IsVisible = Security.IsAllowed<ViewMobileWarehousingModule>();
            Tools.EndUpdate();
        }
        
        protected override void UpdateTransportStatus()
        {
            base.UpdateTransportStatus();
            
            CheckTimeSheet();
            
            EnableModules(App.Data.IsConnected());
        }

        private void EnableModules(bool enabled)
        {
            Tools.BeginUpdate();
            foreach (var item in Tools.Items)
                item.IsEnabled = enabled;
            Tools.EndUpdate();
        }

        private CancellationTokenSource _pollingToken = new CancellationTokenSource();
        
        private void StartMonitoringNotifications()
        {
            //notifications are allowed to upload once every 30 seconds
            // This will eventually be replaced with websocket pushes
            // but we're not ready for that yet :-(
            var token = _pollingToken.Token;
            Task.Run(
                () =>
                {
                    while (!_pollingToken.Token.IsCancellationRequested)
                    {
                        App.Data.Notifications.Refresh(true);
                        int _notificationcount = App.Data.Notifications.Items.Where(x=>x.Closed.IsEmpty()).ToList().Count;
                        Dispatcher.BeginInvokeOnMainThread(() =>
                        {
                            Notifications.Alert = _notificationcount > 0
                                ? _notificationcount.ToString()
                                : "";
                        });
                        
                        Task.Delay(TimeSpan.FromSeconds(30), token)
                            .Wait(token);
                    }
                },
                token
            );
        }
        
        private void StartMonitoringTasks()
        {
            var token = _pollingToken.Token;
            Task.Run(
                async () =>
                {
                    while (!_pollingToken.Token.IsCancellationRequested)
                    {
                        App.Data.Kanbans.Refresh(true);
                        int _taskcount = App.Data.Kanbans.Items.Where(x=>x.Status == KanbanStatus.Open).ToList().Count;
                        Dispatcher.BeginInvokeOnMainThread(() =>
                        {
                            MyTasks.Alert = _taskcount > 0
                                ? _taskcount.ToString()
                                : "";
                        });
                        await Task.Delay(TimeSpan.FromSeconds(30), token);

                    }
                },
                token
            );
        }
        
        private void StartMonitoringVersion()
        {
            var token = _pollingToken.Token;
            Task.Run(
                async () =>
                {
                    while (!_pollingToken.Token.IsCancellationRequested)
                    {

                        bool isLatest = true;

                        try
                        {
                            isLatest = await MobileUtils.AppVersion.IsUsingLatestVersion();
                        }
                        catch (Exception e)
                        {
                           InABox.Mobile.MobileLogging.Log(e);
                        }
                        //bool isLatest = MobileUtils.AppVersion.IsUsingLatestVersion().Result;
                        
                        Dispatcher.BeginInvokeOnMainThread(() =>
                        {
                            if (Update.IsVisible == isLatest)
                            {
                                Update.IsVisible = !isLatest;
                                Tools.Refresh();
                                Update.Alert = isLatest
                                    ? ""
                                    : "!";                     
                            }
                        });
                        
                        Task.Delay(TimeSpan.FromSeconds(30), token)
                            .Wait(token);
                    }
                },
                token
            );
        }
        
        private void StartMonitoringEmpoyeeDetails()
        {
            var token = _pollingToken.Token;
            Task.Run(() =>
                 {
                    while (!_pollingToken.Token.IsCancellationRequested)
                    {

                        App.Data.EmployeeQualifications.Refresh(true);
                        bool bQualificationIssues = App.Data.EmployeeQualifications.NeedsAttention > 0;

                        App.Data.EmployeeForms.Refresh(true);
                        bool bFormIssues = App.Data.EmployeeForms.NeedsAttention > 0;
                        
                        Dispatcher.BeginInvokeOnMainThread(() =>
                        {
                            MyHR.Alert = (bQualificationIssues || bFormIssues)
                                ? "!"
                                : "";
                        });
                        
                        Task.Delay(TimeSpan.FromSeconds(30), token)
                            .Wait(token);
                    }
                 },
                token
            );
        }
        
        private void RefreshScreen()
        {
            
            SetupClockOnButton(_settings.ClockOnDisabled);
            
            bool GateReady = CheckLocation();

            var location = GetAddress();
            
            Title = App.Data.Me != null 
                ? App.Data.Me.Name
                : "(Not Logged In)";

            ClockOnButton.IsEnabled = App.Data.IsConnected() && GateReady;
            ClockOnButton.IsClickable = ClockOnButton.IsEnabled;

            ClockOnOffLabel.Text = GateReady ? _currenttimesheet == null ? "CLOCK ON" : "CLOCK OFF" : "PLEASE WAIT";

            CurrentLocation.Text = location.ToUpper().Contains("ERROR")
                ? "Unknown Address"
                : location;
            
            ClockOnButton.BackgroundColor = App.Data.IsConnected() && GateReady 
                ? _currenttimesheet == null 
                    ? Color.FromHex("#e6e6fa") 
                    : Color.FromHex("#15C7C1") 
                : Color.Silver;
            
            ClockOnButton.BorderColor = App.Data.IsConnected() && GateReady 
                ? _currenttimesheet == null 
                    ? Color.FromHex("#96969a") 
                    : Color.FromHex("#059791") 
                : Color.Gray;
            
            addNoteBtn.IsEnabled = App.Data.IsConnected() && _currenttimesheet != null;
            jobBtn.IsEnabled = App.Data.IsConnected() && _currenttimesheet != null;
            taskBtn.IsEnabled = App.Data.IsConnected() && _currenttimesheet != null;
            
            jobBtn.Text = ((_currenttimesheet?.JobID ?? Guid.Empty) != Guid.Empty)
                ? $"{_currenttimesheet?.JobLink.JobNumber}: {_currenttimesheet?.JobLink.Name}"
                : "Select Job";
            
           
        }
        
        #endregion

        #region Clock on/off
        
        private void CheckTimeSheet()
        {
            if (App.Data.IsConnected())
            {
                var client = new Client<TimeSheet>();
                var filter = new Filter<TimeSheet>(x => x.EmployeeLink.ID).IsEqualTo(App.Data.Me.ID)
                    .And(x => x.Date).IsEqualTo(DateTime.Today)
                    .And(x => x.Finish).IsEqualTo(TimeSpan.Zero);
                var table = client.Query(
                    filter, 
                    Columns.None<TimeSheet>()
                        .Add(x=>x.ID)
                        .Add(x=>x.Date)
                        .Add(x=>x.Start)
                        .Add(x=>x.StartLocation.Longitude)
                        .Add(x=>x.StartLocation.Latitude)
                        .Add(x=>x.StartLocation.Address)
                        .Add(x=>x.StartLocation.Timestamp)
                        .Add(x=>x.Finish)
                        .Add(x=>x.FinishLocation.Longitude)
                        .Add(x=>x.FinishLocation.Latitude)
                        .Add(x=>x.FinishLocation.Address)
                        .Add(x=>x.FinishLocation.Timestamp)
                        .Add(x=>x.JobLink.ID)
                        .Add(x=>x.JobLink.JobNumber)
                        .Add(x=>x.JobLink.Name)
                        .Add(x=>x.Notes)
                    );
                _currenttimesheet = table.Rows.FirstOrDefault()?.ToObject<TimeSheet>();
                    
                var token = _pollingToken.Token;
                Task.Run(
                    () =>
                    {
                        while (!token.IsCancellationRequested)
                        {
                            if (_currenttimesheet != null)
                            {
                                if (_currenttimesheet.Date != DateTime.Today)
                                {
                                    var here = GPSLocation();
                                    _currenttimesheet.FinishLocation.CopyFrom(here);
                                    _currenttimesheet.Finish = TimeSpan.FromDays(1).Subtract(TimeSpan.FromSeconds(1));
                                    new Client<TimeSheet>().Save(_currenttimesheet,
                                        "Closing Timesheet at Midnight on Mobile Device");
                                    CreateTimeSheet(_currenttimesheet.JobLink.ID, _currenttimesheet.JobLink.JobNumber, _currenttimesheet.JobLink.Name, here, here.Address, "Creating Timeheet at Midnight on Mobile Device");
                                }
                            }
                            Task.Delay(TimeSpan.FromMinutes(1), token).Wait(token);
                        }
                    },
                    token
                );
            }
        }
        
        private DateTime _debounce = DateTime.MinValue;
        
        async void ClockOnOff_Clicked(object sender, EventArgs e)
        {
            
            if (_debounce > DateTime.Now.Subtract(TimeSpan.FromMilliseconds(500)))
                return;
            _debounce = DateTime.MaxValue;
            
            string chosenOption = _currenttimesheet != null
                ? await DisplayActionSheet("Clock off?", "Cancel", null, "Continue", "Cancel")
                : "Continue";
            
            if (!String.Equals(chosenOption, "Continue"))
            {
                _debounce = DateTime.Now;
                return;
            }
            
            try
            {
                using (await MaterialDialog.Instance.LoadingDialogAsync(message: $"Clocking {(_currenttimesheet == null ? "On" : "Off")}"))
                {
                    var here = GPSLocation();
                    
                    if (_currenttimesheet != null)
                    {
                        FinishTimeSheet(here);
                    }
                    else
                    {
                        if (!Security.IsAllowed<CanBypassBluetoothGates>())
                        {
                            var tracker = App.Data.BluetoothGates.FirstOrDefault(x => App.Bluetooth.Devices.Contains(x.DeviceID));
                            if (tracker != null)
                                CreateTimeSheet(tracker.JobID, tracker.JobNumber, tracker.JobName, here, here.Address, "Clocking On");
                        }
                        else
                        { 
                            if ((!here.Latitude.Equals(0.0F) && !here.Longitude.Equals(0.0F)) 
                                || Security.IsAllowed<CanBypassGPSClockIn>())
                            {
                                var job = await ChooseNearbyJob(here);
                                CreateTimeSheet(job?.ID ?? Guid.Empty, job?.JobNumber ?? string.Empty, job?.Name ?? string.Empty , here, here.Address, "Clocking On");
                            }
                        }
                    }
                    Dispatcher.BeginInvokeOnMainThread(RefreshScreen);
                }
            }
            catch (Exception ex)
            {
                InABox.Mobile.MobileLogging.Log(ex);
            }
            
            _debounce = DateTime.Now; 

        }
        
                
        private void FinishTimeSheet(Location here)
        {
            if ((_currenttimesheet == null) || (_currenttimesheet.ID == Guid.Empty))
            {
                _currenttimesheet = null;
                return;
            }

            try
            {
                if (ZeroLengthTimesheet())
                    new Client<TimeSheet>().Delete(_currenttimesheet, "Deleted due to zero duration timesheet");
                else
                {
                    _currenttimesheet.Finish =
                        new TimeSpan(DateTime.Now.TimeOfDay.Hours, DateTime.Now.TimeOfDay.Minutes, 0);
                    _currenttimesheet.FinishLocation .CopyFrom(here);
                    //bUpdatingTimesheet = true;
                    new Client<TimeSheet>().Save(_currenttimesheet, "Clocking Off");
                }

                _currenttimesheet = null;
            }
            catch (Exception ex)
            {
                InABox.Mobile.MobileLogging.Log(ex);

            }
        }
        
        #endregion

        #region Utilities
        
        //private void CheckNotificationsPushed(CoreTable table)
        //{
            // try
            // {
            //     if (!Application.Current.Properties.ContainsKey("LastPushedNotifications"))
            //     {
            //         Application.Current.Properties.Add("LastPushedNotifications", DateTime.Now);
            //     }
            //     DateTime lastPushed = DateTime.Parse(Application.Current.Properties["LastPushedNotifications"].ToString());
            //     List<NotificationShell> toNotify = new List<NotificationShell>();
            //     foreach (CoreRow row in table.Rows)
            //     {
            //         List<object> list = row.Values;
            //         DateTime created = DateTime.Parse(list[3].ToString());
            //         if (created > new DateTime(2022, 8, 22)) // prevent spam from buildup of old notifications before this is released
            //         {
            //             if (created > lastPushed)
            //             {
            //                 if (list[1] == null) list[1] = "";
            //                 if (list[2] == null) list[2] = "";
            //                 if (list[3] == null) list[3] = DateTime.MinValue;
            //                 if (list[4] == null) list[4] = "";
            //                 if (list[5] == null) list[5] = "";
            //                 if (list[6] == null) list[6] = Guid.Empty;
            //
            //                 NotificationShell shell = new NotificationShell
            //                 {
            //                     ID = Guid.Parse(list[0].ToString()),
            //                     Sender = list[1].ToString(),
            //                     Title = list[2].ToString(),
            //                     Created = DateTime.Parse(list[3].ToString()),
            //                     EntityType = list[5].ToString(),
            //                     EntityID = Guid.Parse(list[6].ToString())
            //                 };
            //                 toNotify.Add(shell); //add notification to be pushed
            //             }
            //         }
            //     }
            //     if (toNotify.Count > 0)
            //         PushNotificationsAsync(toNotify);
            // }
            // catch { }
        //}

        //private async Task PushNotificationsAsync(List<NotificationShell> shells)
        //{
            // try
            // {
            //     int count = 1;
            //
            //     foreach (NotificationShell shell in shells)
            //     {
            //         var notification = new NotificationRequest
            //         {
            //             BadgeNumber = 1,
            //             Description = shell.Title,
            //             Title = "New PRS Notification: ",
            //             ReturningData = shell.EntityID.ToString() + "$" + shell.EntityType,
            //             NotificationId = count,
            //         };
            //         count++;
            //         NotificationImage img = new NotificationImage();
            //         img.ResourceName = "icon16.png";
            //         notification.Image = img;
            //
            //         await LocalNotificationCenter.Current.Show(notification);
            //     }
            //     Application.Current.Properties["LastPushedNotifications"] = DateTime.Now;
            // }
            // catch { }
        //}
        
        private async Task<JobShell> ChooseNearbyJob(Location here)
        {
            var nearbyjobs = App.Data.Jobs.Where(x => here.DistanceTo(x.Location, UnitOfLength.Kilometers) < 1.0F)
                .ToArray();
            if (nearbyjobs.Length > 1)
            {
                Dictionary<String, JobShell> dict = new Dictionary<string, JobShell>();
                foreach (var job in nearbyjobs)
                    dict[job.DisplayName] = job;
                string chosenOption = await DisplayActionSheet("Choose job site", "Cancel", null, dict.Keys.ToArray());
                if (string.IsNullOrEmpty(chosenOption) || chosenOption.Equals("Cancel"))
                    return null;
                return dict[chosenOption];
            }
            return nearbyjobs.FirstOrDefault();
        }

        void AddNote_Tapped(object sender, EventArgs e)
        {
            if (_currenttimesheet == null)
                return;
            var notepage = new TimeSheetNotePage(_currenttimesheet);
            Navigation.PushAsync(notepage);

        }

        private void TaskBtn_Tapped(object sender, EventArgs e)
        {
            _selectionpage = new TaskSelectionPage( (task) =>
                {
                    if (_currenttimesheet != null)
                    {
                        // Not sure hwat to do here...
                    }
                }
            );
            Navigation.PushAsync(_selectionpage);
        }

        // private async void RequestUserInput(Guid taskID)
        // {
        //     const string addtask = "Change current assignment task";
        //     const string newassignment = "Start a new assignment with this task";
        //     string chosenOption = await DisplayActionSheet("Choose an option", "Cancel", null, addtask, newassignment);
        //     switch (chosenOption)
        //     {
        //         case addtask:
        //             MainPageUtils.ChangeAssignmentTask(taskID);
        //             break;
        //         case newassignment:
        //             MainPageUtils.SaveCurrentAssignment("PRS Mobile main screen - saving assignment on task change", true);
        //             MainPageUtils.CreateNewAssignment(Guid.Empty, taskID);
        //             break;
        //         default:
        //             break;
        //     }
        // }

        private void SaveSiteModuleJobID([CanBeNull] JobShell job)
        {
            using (var config = new LocalConfiguration<SiteModuleSettings>())
            {
                var _sitesettings = config.Load();
                _sitesettings.JobID = job?.ID ?? Guid.Empty;
                config.Save(_sitesettings);
            }
        }

        private void JobBtn_Tapped(object sender, EventArgs e)
        {
            _selectionpage = new JobSelectionPage(
                (job) =>
                {
                    if (_currenttimesheet != null)
                    {
                        if (ZeroLengthTimesheet())
                        {
                            _currenttimesheet.JobLink.ID = job?.ID ?? Guid.Empty;
                            _currenttimesheet.JobLink.JobNumber = job?.JobNumber ?? string.Empty;
                            _currenttimesheet.JobLink.Name = job?.Name ?? string.Empty;
                            new Client<TimeSheet>().Save(_currenttimesheet,"Updated Job Number via mobile device");
                        }
                        else
                        {
                            var here = GPSLocation();
                            FinishTimeSheet(here);
                            CreateTimeSheet(job?.ID ?? Guid.Empty, job?.JobNumber ?? string.Empty, job?.Name ?? string.Empty, here, here.Address,
                                "Switched Jobs via Mobile Device");
                        }
                    }
                    SaveSiteModuleJobID(job);
                }
                
            );
            Navigation.PushAsync(_selectionpage);
        }
        
        // private bool CheckTimeSheetAgainstGates(TimeSheet timesheet)
        // {
        //     DateTime now = DateTime.Now;
        //
        //     //var timesheet = CurrentTimeSheet();
        //
        //     //Can't confirm if there is no timesheet
        //     if (timesheet == null)
        //         return false;
        //
        //     // Can't confirm if there are no devices
        //     if (App.Bluetooth.Devices.Length == 0)
        //         return false;
        //
        //     if (App.Data.Gates == null)
        //         return false;
        //
        //     long tsTicks = timesheet.Date.Add(timesheet.Start).Ticks;
        //     long btTicks = App.Bluetooth.TimeStamp.Ticks;
        //
        //     if (Math.Abs(tsTicks - btTicks) > new TimeSpan(0, 2, 0).Ticks)
        //         return false;
        //
        //     CoreRow firstgate = null;
        //     List<String> gates = new List<string>();
        //     // Scan every located d
        //     foreach (var device in App.Bluetooth.Devices)
        //     {
        //         CoreRow gate = App.Data.Gates?.Rows.FirstOrDefault(r => r.Get<JobTracker, String>(c => c.TrackerLink.DeviceID) == device);
        //         if (gate != null)
        //         {
        //
        //             if ((gate.Get<JobTracker, bool>(x => x.IsJobSite) == true) && (firstgate == null))
        //                 firstgate = gate;
        //
        //             gates.Add(gate.Get<JobTracker, String>(x => x.Gate));
        //         }
        //     }
        //     if (gates.Any())
        //     {
        //         timesheet.Gate = String.Join(", ", gates.OrderBy(x => x));
        //         if (firstgate != null)
        //         {
        //             timesheet.JobLink.ID = firstgate.Get<JobTracker, Guid>(x => x.JobLink.ID);
        //             timesheet.JobLink.JobNumber = firstgate.Get<JobTracker, String>(x => x.JobLink.JobNumber);
        //             timesheet.JobLink.Name = firstgate.Get<JobTracker, String>(x => x.JobLink.Name);
        //         }
        //         return true;
        //         //new Client<TimeSheet>().Save(timesheet, "Confirmed Gate Entry by Bluetooth Tracker", (o, e) => { });
        //     }
        //
        //     return false;
        //
        // }

        private bool ZeroLengthTimesheet()
        {

            if (_currenttimesheet == null)
                return true;
            
            if (!String.IsNullOrWhiteSpace(_currenttimesheet.Notes))
                return false;
            
            if (_currenttimesheet.Date.Equals(DateTime.Today))
            {
                var diff = (DateTime.Now.TimeOfDay - _currenttimesheet.Start).TotalSeconds;
                if (Math.Abs(diff) < 120.0F)
                    return true;
            }
            return false;
        }

        private void CreateTimeSheet(Guid jobid, string jobnumber, String jobname, Location location, String address, String auditmessage)
        {
            try
            {
                _currenttimesheet = new TimeSheet
                {
                    Date = DateTime.Today,
                    Address = address,
                    SoftwareVersion = MobileUtils.AppVersion.InstalledVersionNumber + App.DeviceString,
                    Start = (DateTime.Now - DateTime.Today).Floor(TimeSpan.FromMinutes(1))
                };
                _currenttimesheet.EmployeeLink.ID = App.Data.Me.ID;
                _currenttimesheet.JobLink.ID = jobid;
                _currenttimesheet.JobLink.JobNumber = jobnumber;
                _currenttimesheet.JobLink.Name = jobname;
                _currenttimesheet.StartLocation.CopyFrom(location);
                new Client<TimeSheet>().Save(_currenttimesheet, auditmessage);

            }
            catch (Exception ex)
            {
                InABox.Mobile.MobileLogging.Log(ex);

            }
        }

        private bool CheckLocation()
        {
            // a 15 minute timeout is awfully long for this process.
            // The App times tick over every 30 seconds, so surely we can
            // drop this to max 1 or 2 minutes..
            // Also, we would expect the GPS / Bluetooth subsystems to take care
            // of purging stale data

            if (Security.IsAllowed<CanBypassGPSClockIn>())
                return true;
            if (Security.IsAllowed<CanBypassBluetoothGates>())
                return GPSTimeStamp() > DateTime.Now.Subtract(new TimeSpan(0, 15, 0));
            if (App.Bluetooth.TimeStamp < DateTime.Now.Subtract(new TimeSpan(0, 15, 0)))
                return false;
            return App.Data.BluetoothGates.Any(x =>
                App.Bluetooth.DetectedBlueToothMACAddresses.Contains(x.DeviceID));

        }

        private DateTime GPSTimeStamp()
        {
            return App.GPS.TimeStamp;
        }
        
        
        private static Location GPSLocation()
        {
            Location here = new InABox.Core.Location()
            {
                Latitude = App.GPS.Latitude,
                Longitude = App.GPS.Longitude,
                Address = App.GPS.Address,
                Timestamp = App.GPS.TimeStamp
            };
            return here;
        }

        private String GPSAddress()
        {
            return App.GPS.Address;
        }
        
        private String GetAddress()
        {
            if (Security.IsAllowed<CanBypassBluetoothGates>())
            {
                if (GPSTimeStamp() < DateTime.Now.Subtract(new TimeSpan(0, 5, 0)))
                {
                    App.GPS.GetLocation(true);
                    return InABox.Core.Security.IsAllowed<CanBypassGPSClockIn>()? "" : "Searching for GPS";

                }
                return GPSAddress();
            }
            else
            {
                var gate = App.Data.BluetoothGates.FirstOrDefault(x =>
                    App.Bluetooth.DetectedBlueToothMACAddresses.Contains(x.DeviceID));
                return gate?.Gate ?? "Looking for Gate";
            }
        }
        
        #endregion
        
        public void SettingsTapped(object sender, EventArgs args) => Navigation.PushAsync(new SettingsPage());

        public void AssignmentListTapped(object sender, EventArgs args) => Navigation.PushAsync(new AssignmentList());
        
        public void DeliveryModuleTapped(object sender, EventArgs args) => Navigation.PushAsync(new DeliveryModule());
        
        public void EquipmentModuleTapped(object sender, EventArgs args) => Navigation.PushAsync(new EquipmentModule());
        
        public void KanbanFormsTapped(object sender, EventArgs args) => Navigation.PushAsync(new KanbanForms());
        
        public void StaffStatusPageTapped(object sender, EventArgs args) => Navigation.PushAsync(new StaffStatusPage());
        
        public void ManufacturingListTapped(object sender, EventArgs args) => Navigation.PushAsync(new ManufacturingList());

        private void MeetingsModuleTapped(object sender, EventArgs args) => Navigation.PushAsync(new MeetingList());
        
        public void HumanResourcesModuleTapped(object sender, EventArgs args) => Navigation.PushAsync(new HumanResourcesModule());
        
        public void NotificationListTapped(object sender, EventArgs args) => Navigation.PushAsync(new NotificationList());
        
        public void ProductListTapped(object sender, EventArgs args) => Navigation.PushAsync(new ProductList());
        
        public void PurchaseOrderListTapped(object sender, EventArgs args) => Navigation.PushAsync(new PurchaseOrderList());
        
        public void SiteModuleTapped(object sender, EventArgs args) => Navigation.PushAsync(new SiteModule());

        public void KanbanListTapped(object sender, EventArgs args) => Navigation.PushAsync(new KanbanList()
        {
            Model = App.Data.Kanbans,
            Title = "My Tasks"
        });

        public void WarehouseModuleTapped(object sender, EventArgs args) => Navigation.PushAsync(new WarehouseModule());

        public void UpdatePageTapped(object sender, EventArgs args) => Navigation.PushAsync(new UpdatePage());
        
        private void ScanModuleTapped(object sender, EventArgs e) => Navigation.PushAsync(new DocScannerModule());
    }
}