using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using Comal.Classes;
using InABox.Clients;
using InABox.Configuration;
using InABox.Core;
using InABox.WPF;
using InABox.Wpf;
using System.ComponentModel;

namespace PRSDesktop
{
    /// <summary>
    ///     Interaction logic for ManufacturingAllocationPanel.xaml
    /// </summary>
    public partial class ManufacturingAllocationPanel : UserControl, IPanel<ManufacturingPacket>
    {
        private Guid _section = Guid.Empty;

        private CoreTable _sections;

        private readonly BitmapImage barcode = PRSDesktop.Resources.barcode.AsBitmapImage();

        private readonly List<Tuple<Border, Label, ListBox, ColumnDefinition, int, CheckBox, Label>> columns = new();

        private ListBox current;
        private readonly BitmapImage disabled = PRSDesktop.Resources.disabled.AsBitmapImage();
        private readonly BitmapImage grouped = PRSDesktop.Resources.grouped.AsBitmapImage();
        private readonly string NEARLYDUE_COLOR = "Orange";

        private readonly string NOTYETDUE_COLOR = "PaleGreen";
        private readonly string ORDER_COLOR = "Gray";
        private readonly string OVERDUE_COLOR = "Salmon";

        private CoreTable Packets;
        private readonly string PRIORITY_COLOR = "Red";
        private readonly string QA_COLOR = "Silver";
        private string SELECTED_COLOR = "Yellow";

        private readonly string SHARED_COLOR = "Lime";
        private CoreTable Stages;

        public ManufacturingAllocationPanel()
        {
            InitializeComponent();
            Kanbans = new ObservableCollection<ManufacturingKanban>();
            PendingCheck.Tag = Pending;
        }

        public ObservableCollection<ManufacturingKanban> Kanbans { get; set; }

        public bool IsReady { get; set; }

        public void CreateToolbarButtons(IPanelHost host)
        {
            ManufacturingSetupActions.Standard(host);
        }

        public string SectionName => "Factory Allocation";

        public DataModel DataModel(Selection selection)
        {
            var ids = Packets != null ? Packets.Rows.Select(r => r.Get<ManufacturingPacket, Guid>(x => x.ID)).ToArray() : new Guid[] { };
            return new ManufacturingPacketDataModel(new Filter<ManufacturingPacket>(x => x.ID).InList(ids));
        }

        public void Refresh()
        {
            if (_section == Guid.Empty)
            {
                var sections = (Dictionary<Guid, string>)Sections.ItemsSource;
                _section = sections.Any() ? sections.First().Key : Guid.Empty;
                Sections.SelectedValue = _section;
            }

            ReloadPackets(true);
        }

        public Dictionary<string, object[]> Selected()
        {
            var result = new Dictionary<string, object[]>();
            return result;
        }

        public void Setup()
        {
            var settings = new UserConfiguration<ManufacturingAllocationSettings>().Load();


            var sections = new Dictionary<Guid, string>();
            ReloadSections();
            foreach (var row in _sections.Rows)
                sections[row.Get<ManufacturingSection, Guid>(x => x.ID)] = string.Format("{0}: {1}",
                    row.Get<ManufacturingSection, string>(x => x.Factory.Name), row.Get<ManufacturingSection, string>(x => x.Name));

            _section = sections.ContainsKey(settings.Section) ? settings.Section : sections.Any() ? sections.First().Key : Guid.Empty;

            Sections.ItemsSource = sections;
            Sections.SelectedValue = _section;
        }

        public void Shutdown(CancelEventArgs? cancel)
        {
        }

        public event DataModelUpdateEvent? OnUpdateDataModel;

        public void Heartbeat(TimeSpan time)
        {
            // Nothing to do here
        }

        private BitmapImage GetBarCode(CoreRow packet)
        {
            if (!packet.Get<ManufacturingPacket, DateTime>(c => c.BarcodePrinted).IsEmpty())
                return packet.Get<ManufacturingPacket, BarcodeType>(c => c.BarcodeType) == BarcodeType.Grouped ? grouped : barcode;
            if (packet.Get<ManufacturingPacket, BarcodeType>(c => c.BarcodeType) == BarcodeType.None)
                return disabled;
            return null;
        }

        private string GetColor(DateTime duedate, DateTime estdate)
        {
            var color = NOTYETDUE_COLOR;
            if (duedate < estdate)
                color = OVERDUE_COLOR;
            else if (duedate < estdate.AddDays(7))
                color = NEARLYDUE_COLOR;
            return color;
        }

        private void CreateKanban(CoreRow row, bool IsChecked)
        {
            try
            {
                var packetid = row.Get<ManufacturingPacket, Guid>(x => x.ID);
                var priority = row.Get<ManufacturingPacket, bool>(c => c.Priority);
                var qty = row.Get<ManufacturingPacket, int>(c => c.Quantity);
                var barqty = row.Get<ManufacturingPacket, int>(c => c.BarcodeQty);
                var duedate = row.Get<ManufacturingPacket, DateTime>(c => c.DueDate);
                var estdate = row.Get<ManufacturingPacket, DateTime>(c => c.EstimatedDate);
                

                var sectionid = row.Get<ManufacturingPacket, Guid>(c => c.StageLink.SectionID);
                var pktsection = row.Get<ManufacturingPacket, string>(c => c.StageLink.Section);

                var stage = Stages.Rows.FirstOrDefault(r => r.Get<ManufacturingPacketStage, Guid>(c => c.Parent.ID).Equals(packetid));
                if (stage == null)
                    return;

                var section = (Guid)Sections.SelectedValue;

                var station = stage.Get<ManufacturingPacketStage, int>(c => c.Station);
                var quality = stage.Get<ManufacturingPacketStage, QualityStatus>(c => c.QualityStatus);
                var percentage = stage.Get<ManufacturingPacketStage, double>(c => c.PercentageComplete);

                var Pending = station == 0;

                var model = new ManufacturingKanban();
                model.ID = row.Get<ManufacturingPacket, Guid>(c => c.ID).ToString();

                model.Title = string.Format("{0}: {1}{2}",
                    row.Get<ManufacturingPacket, string>(c => c.Serial),
                    qty != barqty ? string.Format("{0} x ", qty) : "",
                    row.Get<ManufacturingPacket, string>(c => c.Title)
                );
                model.Quantity = barqty;
                model.JobName = string.Format("{0}: {1}",
                    row.Get<ManufacturingPacket, string>(c => c.SetoutLink.Number),
                    row.Get<ManufacturingPacket, string>(c => c.SetoutLink.JobLink.Name)
                );
                model.DueDate = duedate;

                var location = row.Get<ManufacturingPacket, string>(c => c.Location);
                var descrip = new List<string>
                {
                    //row.Get<ManufacturingPacket,String>(c=>c.Level.Code),
                    //row.Get<ManufacturingPacket,String>(c=>c.Zone.Code),
                    string.IsNullOrEmpty(location) ? row.Get<ManufacturingPacket, string>(c => c.SetoutLink.Location) : location
                };
                model.Description = string.Join(" / ", descrip.Where(x => !string.IsNullOrWhiteSpace(x))).Trim();
                model.TemplateID = row.Get<ManufacturingPacket, Guid>(c => c.ManufacturingTemplateLink.ID);

                model.Image = GetBarCode(row);
                //model.IsSelected = packet.ID.ToString() == CurrentKanbanID;

                model.Tags = priority ? new[] { "PRIORITY" } : new string[] { };
                model.Category = section.ToString(); // packet.StageLink.SectionID.ToString();
                model.ColorKey =
                    Entity.IsEntityLinkValid<ManufacturingPacket, PurchaseOrderItemLink>(x => x.OrderItem, row) &&
                    row.Get<ManufacturingPacket, DateTime>(c => c.OrderItem.ReceivedDate).IsEmpty() ? ORDER_COLOR :
                    priority ? PRIORITY_COLOR :
                    !Pending ? GetColor(duedate.IsEmpty() ? DateTime.Today : duedate, estdate.IsEmpty() ? DateTime.Today : estdate) : QA_COLOR;
                model.SelectedColor = model.ColorKey; // packet.ID.ToString() == CurrentKanbanID ? SELECTED_COLOR : model.ColorKey;
                model.SharedColor = station.Equals(-1) ? SHARED_COLOR : model.ColorKey;
                model.Checked = IsChecked;
                model.SetoutID = row.Get<ManufacturingPacket, Guid>(c => c.SetoutLink.ID);
                model.Assignee = station.ToString();

                var ratio = 1.0F / (station == -1 ? (double)columns.Count : 1.0F);
                var percentleft = (100.0F - stage.Get<ManufacturingPacketStage, double>(c => c.PercentageComplete)) / 100.0F;

                model.Status = string.Format("({0:F2} hours)",
                    qty * stage.Get<ManufacturingPacketStage, TimeSpan>(c => c.Time).TotalHours * ratio *
                    percentleft); //packet.StageLink.ID.Equals(Guid.Empty) ? " " : Pending ? "PENDING" /*GetQualityStatus(quality)*/ : String.Format("{0:F0}%", percentage);
                model.Flags = row.Get<ManufacturingPacket, bool>(c => c.Distributed)
                    ? !sectionid.Equals(section) ? string.IsNullOrEmpty(pktsection) ? "" : pktsection.ToUpper().Trim() : "DISTRIB"
                    : "";
                model.GroupID = row.Get<ManufacturingPacket, Guid>(c => c.SetoutLink.Group.ID);
                var groupname = row.Get<ManufacturingPacket, string>(c => c.SetoutLink.Group.Name);
                model.GroupName = !string.IsNullOrWhiteSpace(groupname) ?
                    row.Get<ManufacturingPacket, string>(c => c.SetoutLink.Group.Job.JobNumber) + ": " + groupname
                    : "";

                Kanbans.Add(model);
            }
            catch (Exception e)
            {
                Logger.Send(LogType.Error, "", string.Format("*** Unknown Error: {0}\n{1}", e.Message, e.StackTrace));
            }
        }

        private TimeSpan CalcTime(IEnumerable<ManufacturingKanban> kanbans)
        {
            double hours = 0.0F;
            var ids = kanbans.Select(x => Guid.Parse(x.ID));
            foreach (var id in ids)
            {
                var packet = Packets.Rows.FirstOrDefault(r => r.Get<ManufacturingPacket, Guid>(c => c.ID).Equals(id));
                var stage = Stages.Rows.FirstOrDefault(r => r.Get<ManufacturingPacketStage, Guid>(c => c.Parent.ID).Equals(id));
                var ratio = 1.0F / (stage.Get<ManufacturingPacketStage, int>(c => c.Station) == -1 ? (double)columns.Count : 1.0F);
                var percentleft = (100.0F - stage.Get<ManufacturingPacketStage, double>(c => c.PercentageComplete)) / 100.0F;
                hours += packet.Get<ManufacturingPacket, int>(c => c.Quantity) *
                         stage.Get<ManufacturingPacketStage, TimeSpan>(c => c.Time).TotalHours *
                         ratio * percentleft;
            }

            return TimeSpan.FromHours(hours);
        }


        private void ReloadPackets(bool reloaddata)
        {
            using (new WaitCursor())
            {
                var checks = Kanbans.Where(x => x.Checked).Select(x => x.ID).ToArray();

                Kanbans.Clear();

                if (reloaddata && Sections.SelectedValue != null)
                {
                    var sectionid = (Guid)Sections.SelectedValue; // CurrentSection != null ? CurrentSection.ID : CoreUtils.FullGuid;
                    Stages = new Client<ManufacturingPacketStage>().Query(
                        new Filter<ManufacturingPacketStage>(x => x.ManufacturingSectionLink.ID).IsEqualTo(sectionid).And(x => x.Completed)
                            .IsEqualTo(DateTime.MinValue),
                        Columns.None<ManufacturingPacketStage>().Add(
                            x => x.ID,
                            x => x.Parent.ID,
                            x => x.ManufacturingSectionLink.ID,
                            x => x.Station,
                            x => x.QualityStatus,
                            x => x.PercentageComplete,
                            x => x.Time,
                            x => x.Started
                        )
                    );
                    //Stages = stagetable.Rows.Select(x => x.ToObject<ManufacturingPacketStage>()).ToArray();

                    var filter = new Filter<ManufacturingPacket>(x => x.Completed).IsEqualTo(DateTime.MinValue)
                        .And(x => x.Archived).IsEqualTo(DateTime.MinValue)
                        .And(x => x.OnHold).IsEqualTo(false);

                    var sectfilter = new Filter<ManufacturingPacket>(x => x.StageLink.SectionID).IsEqualTo(sectionid).Or(x => x.Distributed)
                        .IsEqualTo(true);
                    filter.Ands.Add(sectfilter);

                    var columns = Columns.None<ManufacturingPacket>();
                    var iprops = DatabaseSchema.Properties(typeof(ManufacturingPacket)).Where(x =>
                        !x.Name.Equals("CustomAttributes") && !x.Name.Equals("Stages") && !x.Name.Equals("Time") && !x.Name.Equals("ActualTime") &&
                        !x.Name.Equals("TimeRemaining"));
                    foreach (var iprop in iprops)
                        columns.Add(iprop.Name);

                    Packets = new Client<ManufacturingPacket>().Query(
                        filter,
                        columns,
                        //new Columns<ManufacturingPacket>(
                        //    x => x.ID,
                        //    x => x.Serial,
                        //    x => x.Title,
                        //    x => x.Quantity,
                        //    x => x.SetoutLink.Number,
                        //    x => x.SetoutLink.JobLink.JobNumber,
                        //    x => x.SetoutLink.JobLink.Name,
                        //    x => x.DueDate,
                        //    x => x.SetoutLink.Location,
                        //    x => x.SetoutLink.Reference,
                        //    x => x.Priority,
                        //    x => x.OrderItem.ID,
                        //    x => x.EstimatedDate,
                        //    x => x.Distributed,
                        //    x => x.StageLink.SectionID,
                        //    x => x.StageLink.Section,
                        //    x => x.BarcodePrinted,
                        //    x => x.BarcodeType
                        //    ),
                        new SortOrder<ManufacturingPacket>(x => x.Priority, SortDirection.Descending).ThenBy(x => x.SetoutLink.Number)
                    );
                    //Packets = table.Rows.Select(x => x.ToObject<ManufacturingPacket>()).ToArray();
                }

                if (Packets != null)
                    foreach (var row in Packets.Rows)
                        CreateKanban(row, false);

                Pending.ItemsSource = null;
                var pendings = Kanbans.Where(x => x.Assignee.Equals("0")).OrderBy(x => x.Tags.Contains("PRIORITY") ? 0 : 1).ThenBy(x => x.DueDate);
                Pending.ItemsSource = pendings;

                Task.Run(() =>
                {
                    var time = CalcTime(pendings).TotalHours;
                    Dispatcher.Invoke(() => { Hours.Content = string.Format("{0:F2} hrs", time); });
                });

                foreach (var column in columns)
                {
                    column.Item3.ItemsSource = null;
                    var items = Kanbans.Where(x => x.Assignee.Equals("-1") || x.Assignee.Equals(column.Item5.ToString()))
                        .OrderBy(x => x.Tags.Contains("PRIORITY") ? 0 : 1).ThenBy(x => x.DueDate);
                    column.Item3.ItemsSource = items;
                    column.Item6.IsChecked = false;
                    Task.Run(() =>
                    {
                        var time = CalcTime(items).TotalHours;
                        Dispatcher.Invoke(() => { column.Item7.Content = string.Format("{0:F2} hrs", time); });
                    });
                }
            }
        }

        private void ReloadSections()
        {
            _sections = new Client<ManufacturingSection>().Query(
                new Filter<ManufacturingSection>(x => x.Hidden).IsEqualTo(false),
                Columns.None<ManufacturingSection>().Add(
                    x => x.ID,
                    x => x.Factory.Name,
                    x => x.Name,
                    x => x.Stations
                ),
                new SortOrder<ManufacturingSection>(x => x.Factory.Sequence).ThenBy(x => x.Sequence)
            );
        }

        protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
        {
            base.OnRenderSizeChanged(sizeInfo);
            var width = sizeInfo.NewSize.Width;
            SetWidths(width);
        }

        private void SetWidths(double width)
        {
            double stations = Stations.ColumnDefinitions.Count;

            var desiredwidth = (width - 5.0F) / (stations + 1.0F);
            if (desiredwidth < 300.0F)
                desiredwidth = 300.0F;

            //Sections.Width = desiredwidth;
            Pending.Width = desiredwidth;
            Stations.Width = stations * desiredwidth;
        }

        private void Sections_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (e.AddedItems.Count == 0)
                return;

            var pair = (KeyValuePair<Guid, string>)e.AddedItems[0];
            var sectionid = pair.Key;
            ReloadColumns(sectionid);

            if (IsReady)
                new UserConfiguration<ManufacturingAllocationSettings>().Save(new ManufacturingAllocationSettings { Section = pair.Key });
        }

        private void ReloadColumns(Guid sectionid)
        {
            // Delete all existing lists and Grid Rows
            foreach (var column in columns)
            {
                Stations.Children.Remove(column.Item1);
                Stations.Children.Remove(column.Item3);
                Stations.ColumnDefinitions.Remove(column.Item4);
            }

            columns.Clear();

            var history = new Client<ManufacturingHistory>().Query(
                new Filter<ManufacturingHistory>(x => x.Section.ID).IsEqualTo(sectionid).And(x => x.Date)
                    .IsGreaterThanOrEqualTo(DateTime.Today.AddDays(-7)),
                Columns.None<ManufacturingHistory>().Add(
                    x => x.Station,
                    x => x.Employee.Name
                ),
                new SortOrder<ManufacturingHistory>(x => x.Station).ThenBy(x => x.LastUpdate)
            );

            var section = _sections.Rows.First(r => r.Get<ManufacturingSection, Guid>(x => x.ID).Equals(sectionid));
            var stations = section.Get<ManufacturingSection, int>(x => x.Stations);

            for (var iStation = 0; iStation < stations; iStation++)
            {
                var row = history.Rows.LastOrDefault(r => r.Get<ManufacturingHistory, int>(c => c.Station).Equals(iStation + 1));
                var empname = row != null ? row.Get<ManufacturingHistory, string>(x => x.Employee.Name) : string.Format("Station {0}", iStation + 1);

                var Column = new ColumnDefinition { Width = new GridLength(1.0F, GridUnitType.Star) };
                Stations.ColumnDefinitions.Add(Column);

                // Create a Border
                var Border = new Border();
                Border.BorderBrush = new SolidColorBrush(Colors.Gray);
                Border.BorderThickness = new Thickness(0);
                Border.CornerRadius = new CornerRadius(5, 5, 0, 0);
                Border.Margin = new Thickness(0, 0, 2, 2);
                Border.SetValue(Grid.RowProperty, 0);
                Border.SetValue(Grid.ColumnProperty, iStation);
                Border.Height = 30.0F;
                Stations.Children.Add(Border);

                var grid = new Grid();
                grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1.0F, GridUnitType.Auto) });
                grid.ColumnDefinitions.Add(new ColumnDefinition
                {
                    Width = new GridLength(iStation == stations - 1 && Security.IsAllowed<CanViewFactorySettings>() ? 30.0F : 0.0F,
                        GridUnitType.Pixel)
                });
                grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1.0F, GridUnitType.Star) });
                grid.ColumnDefinitions.Add(new ColumnDefinition
                {
                    Width = new GridLength(iStation == stations - 1 && Security.IsAllowed<CanViewFactorySettings>() ? 30.0F : 0.0F,
                        GridUnitType.Pixel)
                });
                grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1.0F, GridUnitType.Auto) });
                Border.Child = grid;

                var checkborder = new Border();
                checkborder.BorderBrush = new SolidColorBrush(Colors.Gray);
                checkborder.BorderThickness = new Thickness(0.75);
                checkborder.CornerRadius = new CornerRadius(5, 0, 0, 0);
                checkborder.Margin = new Thickness(0, 0, 2, 0);
                checkborder.SetValue(Grid.RowProperty, 0);
                checkborder.SetValue(Grid.ColumnProperty, 0);
                grid.Children.Add(checkborder);

                var check = new CheckBox();
                check.Margin = new Thickness(14, 0, 17, 0);
                check.SetValue(Grid.ColumnProperty, 0);
                check.Checked += List_Checked;
                check.Unchecked += List_Checked;
                check.VerticalAlignment = VerticalAlignment.Center;
                checkborder.Child = check;

                var remove = new Button();
                remove.Margin = new Thickness(0, 0, 2, 0);
                remove.SetValue(Grid.RowProperty, 0);
                remove.SetValue(Grid.ColumnProperty, 1);
                remove.Content = "-";
                remove.Click += Remove_Click;
                grid.Children.Add(remove);

                var labelborder = new Border();
                labelborder.BorderBrush = new SolidColorBrush(Colors.Gray);
                labelborder.BorderThickness = new Thickness(0.75);
                labelborder.CornerRadius = new CornerRadius(0, 0, 0, 0);
                labelborder.Margin = new Thickness(0, 0, 2, 0);
                labelborder.SetValue(Grid.RowProperty, 0);
                labelborder.SetValue(Grid.ColumnProperty, 2);
                grid.Children.Add(labelborder);

                var Label = new Label();
                Label.SetValue(Grid.ColumnProperty, 1);
                Label.Content = empname;
                Label.HorizontalContentAlignment = HorizontalAlignment.Center;
                Label.VerticalContentAlignment = VerticalAlignment.Center;
                labelborder.Child = Label;

                var add = new Button();
                add.Margin = new Thickness(0, 0, 2, 0);
                add.SetValue(Grid.RowProperty, 0);
                add.SetValue(Grid.ColumnProperty, 3);
                add.Content = "+";
                add.Click += Add_Click;
                grid.Children.Add(add);

                var hoursborder = new Border();
                hoursborder.BorderBrush = new SolidColorBrush(Colors.Gray);
                hoursborder.BorderThickness = new Thickness(0.75);
                hoursborder.CornerRadius = new CornerRadius(0, 5, 0, 0);
                hoursborder.Margin = new Thickness(0, 0, 0, 0);
                hoursborder.SetValue(Grid.RowProperty, 0);
                hoursborder.SetValue(Grid.ColumnProperty, 4);
                grid.Children.Add(hoursborder);

                var hours = new Label();
                hours.SetValue(Grid.ColumnProperty, 2);
                hours.Content = string.Format("({0} hours)", 0.0F);
                hours.HorizontalContentAlignment = HorizontalAlignment.Center;
                hours.VerticalContentAlignment = VerticalAlignment.Center;
                hoursborder.Child = hours;

                var Items = new ListBox();
                Items.Margin = new Thickness(0, 0, 2, 2);
                Items.SetValue(Grid.RowProperty, 1);
                Items.SetValue(Grid.ColumnProperty, iStation);
                Items.ItemTemplate = (DataTemplate)Resources["Packet"];
                Items.HorizontalContentAlignment = HorizontalAlignment.Stretch;
                Items.SetValue(ScrollViewer.HorizontalScrollBarVisibilityProperty, ScrollBarVisibility.Disabled);
                Items.SetValue(VirtualizingPanel.IsVirtualizingProperty, true);
                Items.SetValue(VirtualizingPanel.VirtualizationModeProperty, VirtualizationMode.Recycling);
                Items.PreviewMouseRightButtonDown += Items_PreviewMouseRightButtonDown;
                Items.PreviewMouseDown += Items_PreviewMouseDown;
                Items.SelectionChanged += Items_SelectionChanged;
                Stations.Children.Add(Items);

                check.Tag = Items;
                remove.Tag = Items;

                var column = new Tuple<Border, Label, ListBox, ColumnDefinition, int, CheckBox, Label>(Border, Label, Items, Column, iStation + 1,
                    check,
                    hours);
                columns.Add(column);
            }

            SetWidths(ActualWidth);
            ReloadPackets(true);
        }

        private void Items_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (e.AddedItems.Count > 0)
                current = sender as ListBox;
        }

        private void Items_PreviewMouseDown(object sender, MouseButtonEventArgs e)
        {
            current = sender as ListBox;
        }

        private void Items_PreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
        {
            current = sender as ListBox;
        }

        private void Add_Click(object sender, RoutedEventArgs e)
        {
            var sectionid = (Guid)Sections.SelectedValue;

            var section = new Client<ManufacturingSection>().Load(new Filter<ManufacturingSection>(x => x.ID).IsEqualTo(sectionid)).FirstOrDefault();
            if (section != null)
            {
                section.Stations += 1;
                new Client<ManufacturingSection>().Save(section, "Added Station");
                ReloadSections();
                ReloadColumns(section.ID);
            }
        }

        private void Remove_Click(object sender, RoutedEventArgs e)
        {
            var sectionid = (Guid)Sections.SelectedValue;

            var section = new Client<ManufacturingSection>().Load(new Filter<ManufacturingSection>(x => x.ID).IsEqualTo(sectionid)).FirstOrDefault();
            if (section != null)
            {
                if (section.Stations < 2)
                {
                    MessageBox.Show("There must be at least one station available in each section!");
                    return;
                }

                var button = sender as Button;
                var listbox = button.Tag as ListBox;
                var kanbans = listbox.ItemsSource as IEnumerable<ManufacturingKanban>;
                if (kanbans.Any(x => !x.Assignee.Equals("-1")))
                {
                    MessageBox.Show("Please clear out all packets before removing this station!");
                    return;
                }

                section.Stations -= 1;
                new Client<ManufacturingSection>().Save(section, "Removed Station");
                ReloadSections();
                ReloadColumns(section.ID);
            }
        }

        private void CardSelected(object sender, MouseButtonEventArgs e)
        {
        }

        private void CardPreviewMouseWheel(object sender, MouseWheelEventArgs e)
        {
        }

        private void CardChecked(object sender, RoutedEventArgs e)
        {
        }

        private void PacketMenu_Opened(object sender, RoutedEventArgs e)
        {
            var menu = sender as ContextMenu;
            var kanban = menu.Tag as ManufacturingKanban;

            var assign = menu.Items[0] as MenuItem;
            var revert = menu.Items[1] as MenuItem;
            var separator = menu.Items[2] as Separator;
            var distribute = menu.Items[3] as MenuItem;
            var undistribute = menu.Items[4] as MenuItem;
            var separator2 = menu.Items[5] as Separator;
            var share = menu.Items[6] as MenuItem;
            var unshare = menu.Items[7] as MenuItem;

            assign.Visibility = kanban.Assignee.Equals("-1") ? Visibility.Collapsed : Visibility.Visible;
            revert.Visibility = kanban.Assignee.Equals("0") ? Visibility.Collapsed : Visibility.Visible;

            distribute.Visibility = Security.IsAllowed<CanDistributePackets>() ? Visibility.Visible : Visibility.Collapsed;
            undistribute.Visibility = distribute.Visibility;
            separator2.Visibility = distribute.Visibility;

            share.Visibility = kanban.Assignee.Equals("-1") ? Visibility.Collapsed : Visibility.Visible;
            unshare.Visibility = kanban.Assignee.Equals("-1") ? Visibility.Visible : Visibility.Collapsed;

            assign.Items.Clear();
            foreach (var column in columns)
            {
                var item = new MenuItem { Header = column.Item2.Content, Tag = column.Item5 };
                item.Click += SetStation_Click;
                assign.Items.Add(item);
            }
        }

        private IEnumerable<ManufacturingKanban> CheckedKanbans(ListBox listbox)
        {
            var kanbans = listbox.ItemsSource as IEnumerable<ManufacturingKanban>;
            var result = kanbans.Where(x => x.Checked);
            if (!result.Any())
                result = new[] { listbox.SelectedValue as ManufacturingKanban };
            return result;
        }

        private IEnumerable<ManufacturingPacket> CheckedPackets(ListBox listbox)
        {
            var kanbans = CheckedKanbans(listbox).Select(x => Guid.Parse(x.ID));
            var packets = Packets.Rows.Where(r => kanbans.Contains(r.Get<ManufacturingPacket, Guid>(c => c.ID)));
            return packets.Select(x => x.ToObject<ManufacturingPacket>());
        }

        private IEnumerable<ManufacturingPacketStage> CheckedStages(ListBox listbox)
        {
            var kanbans = CheckedKanbans(listbox).Select(x => Guid.Parse(x.ID));
            var selstages = Stages.Rows.Where(r =>
                kanbans.Contains(r.Get<ManufacturingPacketStage, Guid>(c => c.Parent.ID)) &&
                r.Get<ManufacturingPacketStage, Guid>(c => c.ManufacturingSectionLink.ID).Equals(_section));
            return selstages.Select(x => x.ToObject<ManufacturingPacketStage>());
        }

        private Tuple<Border, Label, ListBox, ColumnDefinition, int, CheckBox, Label> GetColumn(object sender)
        {
            var menu = sender as MenuItem;
            Logger.Send(LogType.Information, ClientFactory.UserID, string.Format("GetColumn: Menu is {0}", menu != null ? menu.Header : "null"));

            var context = menu.Parent as ContextMenu;
            Logger.Send(LogType.Information, ClientFactory.UserID, string.Format("GetColumn: Context is {0}", context != null ? "ok" : "null"));

            var border = context.PlacementTarget as Border;
            Logger.Send(LogType.Information, ClientFactory.UserID, string.Format("GetColumn: Border is {0}", border != null ? "ok" : "null"));

            var kanban = menu.Tag as ManufacturingKanban;
            Logger.Send(LogType.Information, ClientFactory.UserID,
                string.Format("GetColumn: kanban is {0}", kanban != null ? kanban.Description : "null"));

            var column = columns.FirstOrDefault(x => x.Item3 == current);
            Logger.Send(LogType.Information, ClientFactory.UserID, string.Format("GetColumn: column is {0}", column != null ? "ok" : "null"));

            return column;
        }

        private void SetStation_Click(object sender, RoutedEventArgs e)
        {
            var menu = sender as MenuItem;
            var station = (int)menu.Tag;
            Logger.Send(LogType.Information, ClientFactory.UserID, string.Format("Allocating: Station is {0}", station));
            var column = GetColumn(menu.Parent);
            var list = column == null ? Pending : column.Item3;
            //Logger.Send(LogType.Information, ClientFactory.UserID, String.Format("Allocating: Column is {0}", column.Item2.Content));
            var stages = CheckedStages(list).ToArray();
            Logger.Send(LogType.Information, ClientFactory.UserID, string.Format("Allocating: Packet Count is {0}", stages.Length));
            Logger.Send(LogType.Information, ClientFactory.UserID,
                string.Format("Allocating: {0}", string.Join(", ", stages.Select(x => x.Parent.Serial))));
            foreach (var stage in stages)
            {
                stage.Station = station;
                if (stage.Started.Equals(DateTime.MinValue))
                    stage.Started = DateTime.Now;
            }

            using (new WaitCursor())
            {
                Logger.Send(LogType.Information, ClientFactory.UserID,
                    string.Format("Allocating: Updating {0} items", stages.Where(x => x.IsChanged()).ToArray().Length));
                new Client<ManufacturingPacketStage>().Save(stages, string.Format("Assigned to Station {0}", station));
            }

            Refresh();
        }

        private void Revert_Click(object sender, RoutedEventArgs e)
        {
            var column = GetColumn(sender);
            var stages = CheckedStages(column != null ? column.Item3 : Pending).ToArray();
            var bDeleteStarted = false;
            foreach (var stage in stages)
            {
                if (stage.PercentageComplete > 0.0F)
                    bDeleteStarted = true;
                stage.Station = 0;
                stage.Started = DateTime.MinValue;
            }

            if (bDeleteStarted)
                bDeleteStarted =
                    MessageBox.Show("Some items have already been started.\n\nRemove these packets anyway?", "Confirm", MessageBoxButton.YesNo) ==
                    MessageBoxResult.Yes;
            using (new WaitCursor())
            {
                var updates = stages.Where(x => bDeleteStarted ? true : x.PercentageComplete == 0.0F).ToArray();
                new Client<ManufacturingPacketStage>().Save(updates, "Reverted to Pending Status");
            }

            Refresh();
        }

        private void Distribute_Click(object sender, RoutedEventArgs e)
        {
            var column = GetColumn(sender);
            var packets = CheckedPackets(column != null ? column.Item3 : Pending).ToArray();
            foreach (var packet in packets)
                packet.Distributed = true;
            using (new WaitCursor())
            {
                new Client<ManufacturingPacket>().Save(packets, "Set Distributed Flag");
            }

            Refresh();
        }

        private void ClearDistributed_Click(object sender, RoutedEventArgs e)
        {
            var column = GetColumn(sender);
            var packets = CheckedPackets(column != null ? column.Item3 : Pending).ToArray();
            foreach (var packet in packets)
                packet.Distributed = false;
            using (new WaitCursor())
            {
                new Client<ManufacturingPacket>().Save(packets, "Cleared Distributed Flag");
            }

            Refresh();
        }

        private void SetShared_Click(object sender, RoutedEventArgs e)
        {
            var column = GetColumn(sender);
            var stages = CheckedStages(column != null ? column.Item3 : Pending);
            foreach (var stage in stages)
            {
                stage.Station = -1;
                if (stage.Started.Equals(DateTime.MinValue))
                    stage.Started = DateTime.Now;
            }

            using (new WaitCursor())
            {
                new Client<ManufacturingPacketStage>().Save(stages, "Cleared Shared Flag");
            }

            Refresh();
        }

        private void ClearShared_Click(object sender, RoutedEventArgs e)
        {
            var column = GetColumn(sender);
            var stages = CheckedStages(column != null ? column.Item3 : Pending);
            foreach (var stage in stages)
                stage.Station = column.Item5;
            using (new WaitCursor())
            {
                new Client<ManufacturingPacketStage>().Save(stages, "Cleared Shared Flag");
            }

            Refresh();
        }

        private void List_Checked(object sender, RoutedEventArgs e)
        {
            var check = sender as CheckBox;
            var list = check.Tag as ListBox;
            var kanbans = list.ItemsSource as IEnumerable<ManufacturingKanban>;
            foreach (var kanban in kanbans)
                kanban.Checked = check.IsChecked == true;
            list.ItemsSource = null;
            list.ItemsSource = kanbans;
        }
    }
}