using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Threading;
using Comal.Classes;
using InABox.Clients;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.Reports;
using InABox.Core.Reports;
using InABox.Scripting;
using InABox.Wpf.Reports;
using InABox.WPF;
using PRSDesktop.Configuration;
using System.Diagnostics;
using System.Threading.Tasks;

namespace PRSDesktop
{
    
    public class DigitalFormDockModel : BaseObject
    {
        [NullEditor]
        public Guid ID { get; set; }
        
        [NullEditor]
        public Guid FormID { get; set; }
        
        [CodeEditor(Visible = Visible.Default, Width=80)]
        [EditorSequence(1)]
        public string Number { get; set; }

        [TextBoxEditor(Visible = Visible.Default)]
        [EditorSequence(2)]
        public string FormName { get; set; }
        
        [DateTimeEditor(Visible=Visible.Default, Width=100, Format = "dd MMM yy HH:mm")]
        [EditorSequence(3)]
        public DateTime Completed { get; set; }
        
        [TextBoxEditor(Visible=Visible.Default, Width=80, Alignment = Alignment.MiddleCenter)]
        [EditorSequence(4)]
        public string CompletedBy { get; set; }

        [NullEditor]
        public Type FormType { get; set; }
        
        [NullEditor]
        public DateTime Processed { get; set; }

        [NullEditor]
        public Guid ParentID { get; set; }
    }
    
    public class DigitalFormDockGrid : DynamicGrid<DigitalFormDockModel>
    {
        private CoreFieldMap<IDigitalFormInstance, DigitalFormDockModel> _mappings;
        private IEnumerable<Type> _types;
        private MultiQuery _query;
        private CoreTable _data;

        public Dictionary<Type, System.Drawing.Bitmap> Images { get; private set; }
        public List<Type> ExcludedTypes { get; private set; }
        public DateTime StartDate { get; set; }
        
        public DigitalFormDockGrid() : base()
        {

            StartDate = DateTime.Today;
            ExcludedTypes = new List<Type>();

            Images = new Dictionary<Type, System.Drawing.Bitmap>()
            {
                { typeof(AssignmentForm), PRSDesktop.Resources.assignments },
                { typeof(KanbanForm), PRSDesktop.Resources.kanban },
                { typeof(JobForm), PRSDesktop.Resources.project },
                { typeof(JobITPForm), PRSDesktop.Resources.checklist },
                { typeof(EmployeeForm), PRSDesktop.Resources.employees },
                { typeof(LeaveRequestForm), PRSDesktop.Resources.leave },
                { typeof(ManufacturingPacketStage), PRSDesktop.Resources.factory },
                { typeof(TimeSheetForm), PRSDesktop.Resources.time },
                { typeof(PurchaseOrderItemForm), PRSDesktop.Resources.purchase }
            };

            ActionColumns.Add(new DynamicImageColumn(TypeImage)
            {
                Position = DynamicActionColumnPosition.Start,
                Filters = Images.Keys.Select(x=>x.EntityName().Split('.').Last().SplitCamelCase()).ToArray(),
                FilterRecord = TypeFilter
            });

            ActionColumns.Add(new DynamicMenuColumn(MenuBuild, MenuStatus) { Position = DynamicActionColumnPosition.End });

            _mappings = new CoreFieldMap<IDigitalFormInstance, DigitalFormDockModel>()
                .Add(x => x.ID, x => x.ID)
                .Add(x => x.Form.ID, x => x.FormID)
                .Add(x => x.Number, x => x.Number)
                .Add(x => x.Form.Description, x => x.FormName)
                .Add(x => x.FormCompleted, x => x.Completed)
                .Add(x => x.FormCompletedBy.UserID, x => x.CompletedBy)
                .Add(x => x.FormProcessed, x => x.Processed)
                .Add(x => x.Parent.ID, x => x.ParentID);
            
            _query = new MultiQuery();
            
            _types = CoreUtils.TypeList(e =>
                e.IsSubclassOf(typeof(Entity))
                && e.GetInterfaces().Contains(typeof(IRemotable))
                && e.GetInterfaces().Contains(typeof(IPersistent))
                && e.GetInterfaces().Contains(typeof(IDigitalFormInstance))
            );
            
            _data = new CoreTable();
            _data.LoadColumns(typeof(DigitalFormDockModel));

        }

        protected override void Init()
        {
        }

        protected override void DoReconfigure(FluentList<DynamicGridOption> options)
        {
            options.BeginUpdate();
            options.Clear();
            options.Add(DynamicGridOption.FilterRows);
            options.EndUpdate();
        }

        protected override DynamicGridStyle GetRowStyle(CoreRow row, DynamicGridStyle style)
        {
            var result = base.GetRowStyle(row, style);
            if (!row.Get<DigitalFormDockModel, DateTime>(x => x.Processed).IsEmpty())
                result = new DynamicGridRowStyle(result)
                {
                    Background = new SolidColorBrush(Colors.LightGray),
                };
            return result;
        }

        private bool TypeFilter(CoreRow row, string[] filter)
        {
            string typename = row.Get<DigitalFormDockModel, Type>(x => x.FormType).EntityName().Split('.').Last().SplitCamelCase();
            return filter.Contains(typename);
        }

        private BitmapImage? TypeImage(CoreRow? arg)
        {
            if (arg == null)
                return null;
            var type = arg.Get<DigitalFormDockModel, Type>(x => x.FormType);
            return Images.GetValueOrDefault(type)?.AsBitmapImage();
        }

        private void MenuBuild(DynamicMenuColumn column, CoreRow? row)
        {
            if (row == null) return;

            var instanceID = row.Get<DigitalFormDockModel, Guid>(x => x.ID);
            var formID = row.Get<DigitalFormDockModel, Guid>(x => x.FormID);
            var formType = row.Get<DigitalFormDockModel, Type>(x => x.FormType);
            var filter = Filter.Create<IDigitalFormInstance>(formType, x => x.ID).IsEqualTo(instanceID);
            var model = (Activator.CreateInstance(typeof(DigitalFormReportDataModel<>).MakeGenericType(formType), filter, formID) as DataModel)!;

            var modules = new Client<CustomModule>().Query(
                new Filter<CustomModule>(x => x.DataModel).IsEqualTo(model.Name)
                    .And(x => x.Section).IsEqualTo(formID.ToString())
                    .And(x => x.Visible).IsEqualTo(true)
                ).Rows.Select(x => x.ToObject<CustomModule>());
            foreach(var module in modules)
            {
                column.AddItem(
                    module.Name, 
                    PRSDesktop.Resources.edit, 
                    row =>
                    {
                        try
                        {
                            if(ScriptDocument.RunCustomModule(model, new Dictionary<string, object[]>(), module.Script))
                            {
                                Refresh(false, true);
                            }
                        }
                        catch(CompileException c)
                        {
                            MessageBox.Show(c.Message);
                        }
                        catch(Exception e)
                        {
                            MessageBox.Show(CoreUtils.FormatException(e));
                        }
                    },
                    null,
                    row.Get<DigitalFormDockModel, DateTime>(x => x.Processed).IsEmpty()
                );
            }

            if (modules.Any())
                column.AddSeparator();
            
            if (row.Get<DigitalFormDockModel, DateTime>(x => x.Processed).IsEmpty())
            {
                column.AddItem(
                    "Mark As Processed",
                    PRSDesktop.Resources.lock_sml,
                    (row) =>
                    {
                        var form = (Activator.CreateInstance(formType) as IDigitalFormInstance)!;
                        form.ID = row!.Get<DigitalFormDockModel, Guid>(x => x.ID);
                        form.FormProcessed = row.Get<DigitalFormDockModel, DateTime>(x => x.Processed);
                        form.CommitChanges();
                        form.FormProcessed = DateTime.Now;
                        using (new WaitCursor())
                        {
                            ClientFactory.CreateClient(formType).Save(form, "Marked As Processed");
                            Refresh(false, true);
                        }
                    }
                );
            }
            else
            {
                column.AddItem(
                    "Clear Processed Flag",
                    PRSDesktop.Resources.lock_sml,
                    (row) =>
                    {
                        var form = (Activator.CreateInstance(formType) as IDigitalFormInstance)!;
                        form.ID = row!.Get<DigitalFormDockModel, Guid>(x => x.ID);
                        form.FormProcessed = row.Get<DigitalFormDockModel, DateTime>(x => x.Processed);
                        form.CommitChanges();
                        form.FormProcessed = DateTime.MinValue;
                        using (new WaitCursor())
                        {
                            ClientFactory.CreateClient(formType).Save(form, "Processed Flag Cleared");
                            Refresh(false, true);
                        }
                    }
                );
            }

            var entityType = DFUtils.FormEntityType(formType);
            if(entityType.HasInterface<IJobScopedItem>())
            {
                var entityID = row.Get<DigitalFormDockModel, Guid>(x => x.ParentID);
                column.AddSeparator();
                column.AddItem("Set Job", PRSDesktop.Resources.project, (row) =>
                {
                    var entity = (Client.Create(entityType)
                        .Query(
                            Filter.Create<Entity>(entityType, x => x.ID).IsEqualTo(entityID),
                            LookupFactory.DefineFilterColumns(typeof(Job), entityType)
                                .Add<Entity>(x => x.ID)
                                .Add<IJobScopedItem>(x => x.JobLink.ID)
                                .Add<IJobScopedItem>(x => x.JobLink.JobNumber))
                        .ToObjects(entityType).First() as Entity)!;
                    var item = (entity as IJobScopedItem)!;
                    
                    var window = new MultiSelectDialog<Job>(
                        LookupFactory.DefineFilter<Job>(entityType, CoreUtils.One(entity)),
                        new Columns<Job>(x => x.DefaultScope.ID).Add(x => x.JobNumber),
                        multiselect: false);
                    if (!window.ShowDialog(nameof(Job.JobNumber), item.JobLink.JobNumber, Syncfusion.Data.FilterType.Equals))
                    {
                        return;
                    }
                    var job = window.Data().ToObjects<Job>().First();
                    item.JobLink.ID = job.ID;
                    item.JobLink.Synchronise(job);

                    Client.Create(entityType).Save(entity, "Linked job set by user from Digital forms dock.");
                    MessageBox.Show($"{entityType.Name} has been assigned to job {job.JobNumber}.");
                });
                column.AddItem("Set Job Scope", PRSDesktop.Resources.project, (row) =>
                {
                    var entity = (Client.Create(entityType)
                        .Query(
                            Filter.Create<Entity>(entityType, x => x.ID).IsEqualTo(entityID),
                            LookupFactory.DefineFilterColumns(typeof(JobScope), entityType)
                                .Add<Entity>(x => x.ID)
                                .Add<IJobScopedItem>(x => x.JobLink.ID)
                                .Add<IJobScopedItem>(x => x.JobScope.ID)
                                .Add<IJobScopedItem>(x => x.JobScope.Number))
                        .ToObjects(entityType).First() as Entity)!;
                    var item = (entity as IJobScopedItem)!;
                    if(item.JobLink.ID == Guid.Empty)
                    {
                        MessageBox.Show($"{entityType.Name} is not linked to a job. Please select a job first.");
                        return;
                    }

                    var window = new MultiSelectDialog<JobScope>(
                        new Filters<JobScope>()
                            .Add(LookupFactory.DefineFilter<JobScope>(entityType, CoreUtils.One(entity)))
                            .Add(new Filter<JobScope>(x => x.Job.ID).IsEqualTo(item.JobLink.ID))
                            .Combine(),
                        new Columns<JobScope>(x => x.ID).Add(x => x.Number),
                        multiselect: false);
                    if (!window.ShowDialog(nameof(JobScope.Number), item.JobScope.Number, Syncfusion.Data.FilterType.Equals))
                    {
                        return;
                    }
                    var scope = window.Data().ToObjects<JobScope>().First();
                    item.JobScope.ID = scope.ID;

                    Client.Create(entityType).Save(entity, "Linked scope set by user from Digital forms dock.");
                    MessageBox.Show($"{entityType.Name} has been assigned to scope {scope.Number}.");
                });
            }
            else if(entityType == typeof(Job) && formType == typeof(JobForm))
            {
                column.AddSeparator();
                column.AddItem("Set Job Scope", PRSDesktop.Resources.project, (row) =>
                {
                    var instance = Client.Query(
                        new Filter<JobForm>(x => x.ID).IsEqualTo(instanceID),
                        LookupFactory.DefineFilterColumns<JobForm, JobScope>()
                            .Add(x => x.ID)
                            .Add(x => x.Parent.ID))
                        .ToObjects<JobForm>().First();
                    var job = Client.Query(
                        new Filter<Job>(x => x.ID).IsEqualTo(instance.Parent.ID),
                        LookupFactory.DefineFilterColumns<Job, JobScope>()).ToObjects<Job>().First();

                    var window = new MultiSelectDialog<JobScope>(
                        new Filters<JobScope>()
                            .Add(LookupFactory.DefineFilter<Job, JobScope>(new Job[] { job }))
                            .Add(new Filter<JobScope>(x => x.Job.ID).IsEqualTo(instance.Parent.ID))
                            .Combine(),
                        new Columns<JobScope>(x => x.ID).Add(x => x.Number), multiselect: false);
                    if (!window.ShowDialog())
                    {
                        return;
                    }
                    var scope = window.Data().ToObjects<JobScope>().First();
                    instance.JobScope.ID = scope.ID;

                    Client.Save(instance, "Linked scope set by user from Digital forms dock.");
                    MessageBox.Show($"Form has been assigned to scope {scope.Number}.");
                });
            }


            if (Security.IsAllowed<CanCustomiseModules>())
            {
                column.AddSeparator();
                column.AddItem("Customise Modules", PRSDesktop.Resources.script, row =>
                {
                    var manager = new CustomModuleManager
                    {
                        Section = formID.ToString(),
                        DataModel = model
                    };
                    manager.ShowDialog();
                });
            }

            if (Security.IsAllowed<CanPrintReports>())
            {
                column.AddSeparator();
                var printItem = column.AddItem("Print", PRSDesktop.Resources.printer, null);

                ReportUtils.PopulateMenu(printItem, formID.ToString(), model, Security.IsAllowed<CanDesignReports>(), true);
            }
        }

        /*private void AttachToScope(CoreRow row, Type formType, DataModel model)
        {
            var instance = Client.Create(formType)
                .Query(
                    Filter.Create<IDigitalFormInstance>(formType, x => x.ID).IsEqualTo(row.Get<DigitalFormDockModel, Guid>(x => x.ID)),
                    Columns.Create<IDigitalFormInstance>(formType)
                        .Add<IDigitalFormInstance>(x => x.ID)
                        .Add<IDigitalFormInstance>(x => x.Number))
                .Rows.FirstOrDefault()
                ?.ToObject(formType) as IDigitalFormInstance;
            if (instance is null)
            {
                MessageBox.Show("Form does not exist!");
                return;
            }
            var formID = row.Get<DigitalFormDockModel, Guid>(x => x.FormID);

            var entityColumns = JobScopeForms.GetEntityColumns(formType)?.Add<Entity>(x => x.ID);
            var entityObj = Client.Create(instance.ParentType())
                .Query(
                    Filter.Create<Entity>(instance.ParentType(), x => x.ID).IsEqualTo(row.Get<DigitalFormDockModel, Guid>(x => x.ParentID)),
                    entityColumns).ToObjects(instance.ParentType()).FirstOrDefault();
            if (entityObj is not Entity entity)
            {
                MessageBox.Show($"Attached {instance.ParentType().Name} does not exist!");
                return;
            }

            #region Selecting Scope

            // JobScopes obviously can't have an empty ID, so it's fine that I turn null into Guid.Empty here.
            var scopeID = JobScopeForms.GetJobScopeID(formType, instance, entity) ?? Guid.Empty;
            if(scopeID == Guid.Empty)
            {
                // JobScopes can't have an empty job, so it's fine that I turn null into Guid.Empty here.
                var jobID = JobScopeForms.GetJobID(formType, instance, entity) ?? Guid.Empty;
                if(jobID == Guid.Empty)
                {
                    var jobs = new MultiSelectDialog<Job>(null, null, multiselect: false);
                    if(!jobs.ShowDialog("Select a job"))
                    {
                        MessageBox.Show("No job selected; process cancelled.");
                        return;
                    }
                    jobID = jobs.IDs().First();
                }

                var scopes = new MultiSelectDialog<JobScope>(new Filter<JobScope>(x => x.Job.ID).IsEqualTo(jobID), null, multiselect: false);
                if (!scopes.ShowDialog("Select a scope"))
                {
                    MessageBox.Show("Process cancelled.");
                    return;
                }
                scopeID = scopes.IDs().First();
            }

            var scopeTask = Task.Run(() => Client.QueryMultiple(
                new KeyedQueryDef<JobScope>(
                    new Filter<JobScope>(x => x.ID).IsEqualTo(scopeID),
                    new Columns<JobScope>(x => x.ID).Add(x => x.Number)),
                new KeyedQueryDef<Job>(
                    new Filter<Job>(x => x.ID).InQuery(new Filter<JobScope>(x => x.ID).IsEqualTo(scopeID), x => x.Job.ID),
                    new Columns<Job>(x => x.JobNumber))));

            #endregion

            #region Selecting Report

            var reports = new List<ReportTemplate>();
            Progress.ShowModal("Loading Document", (progress) =>
            {
                reports = ReportUtils.LoadReports(formID.ToString(), model).ToList();
            });

            ReportTemplate report;
            if (reports.Count == 0)
            {
                ReportTemplate reportTemplate = null!;
                Progress.ShowModal("Loading form layout", (progress) =>
                {
                    progress.Report("Loading form layout");
                    var layouts = Client.Query(
                        new Filter<DigitalFormLayout>(x => x.Form.ID).IsEqualTo(formID),
                        new Columns<DigitalFormLayout>(x => x.Layout)
                            .Add(x => x.Code)
                            .Add(x => x.Type)
                            .Add(x => x.Description))
                        .ToObjects<DigitalFormLayout>().ToArray();
                    var layout = layouts.FirstOrDefault(x => x.Type == DFLayoutType.Desktop) ?? layouts.FirstOrDefault();
                    if (layout is null)
                    {
                        MessageBox.Show("This form has no report or layout, so it cannot be attached to a job scope!");
                        return;
                    }

                    progress.Report("Generating report");

                    report = new ReportTemplate
                    {
                        DataModel = model.Name,
                        Name = layout.Description.NotWhiteSpaceOr(layout.Code),
                        RDL = DigitalFormUtils.GenerateReport(layout, model)?.SaveToString()
                    };
                });
                report = reportTemplate;
            }
            else if (reports.Count == 1)
            {
                report = reports[0];
            }
            else
            {
                var selectedReports = new MultiSelectDialog<ReportTemplate>(
                    ReportUtils.GetReportFilter(formID.ToString(), model),
                    null,
                    multiselect: false);
                if (!selectedReports.ShowDialog())
                {
                    return;
                }
                report = selectedReports.Items().First();
            }

            #endregion

            Document document = null!;

            Progress.ShowModal("Loading Document", (progress) =>
            {
                progress.Report("Generating Document");

                var data = ReportUtils.ReportToPDF(report, model, true);

                progress.Report("Saving Document");

                document = new Document
                {
                    FileName = $"{instance.Number}: {report.Name}.pdf",
                    Data = data,
                    CRC = CoreUtils.CalculateCRC(data)
                };
                Client.Save(document, "");

                progress.Report("Creating Job Scope Document");

                var jobScopeDocument = new JobScopeDocument();
                jobScopeDocument.DocumentLink.ID = document.ID;
                jobScopeDocument.EntityLink.ID = scopeID;
                Client.Save(jobScopeDocument, $"Generated from form: {instance.Number}");
            });

            scopeTask.Wait();
            var scopeResults = scopeTask.Result;
            var scope = scopeResults.GetObjects<JobScope>().First();
            var job = scopeResults.GetObjects<Job>().First();

            MessageBox.Show($"Attached as '{document.FileName}' to job scope {scope.Number} for job {job.JobNumber}");
        }*/

        private DynamicMenuStatus MenuStatus(CoreRow row)
        {
            if (row == null) return DynamicMenuStatus.Hidden;
            return DynamicMenuStatus.Enabled;
        }

        protected override void Reload(Filters<DigitalFormDockModel> criteria, Columns<DigitalFormDockModel> columns, ref SortOrder<DigitalFormDockModel>? sort, Action<CoreTable, Exception?> action)
        {
            
            _query.Clear();
            foreach (var type in _types.Where(x => !ExcludedTypes.Contains(x)))
            {

                var filter = Filter.Create<IDigitalFormInstance>(type, x => x.FormCompleted).IsGreaterThanOrEqualTo(StartDate)
                    .And<IDigitalFormInstance>(x=>x.FormCancelled).IsEqualTo(DateTime.MinValue);

                var cols = Columns.Create<IDigitalFormInstance>(type)
                    .Add<IDigitalFormInstance>(c => c.ID)
                    .Add<IDigitalFormInstance>(c => c.Parent.ID)
                    .Add<IDigitalFormInstance>(c => c.Form.ID)
                    .Add<IDigitalFormInstance>(c => c.Number)
                    .Add<IDigitalFormInstance>(c => c.Form.Description)
                    .Add<IDigitalFormInstance>(c => c.FormCompleted)
                    .Add<IDigitalFormInstance>(c => c.FormCompletedBy.UserID)
                    .Add<IDigitalFormInstance>(c => c.FormProcessed);

                var sorts = SortOrder.Create<IDigitalFormInstance>(type, x => x.FormCompleted, SortDirection.Descending);

                _query.Add(
                    new QueryDef(type)
                    {
                        Filter = filter,
                        Columns = cols,
                        SortOrder = sorts
                    },
                    type
                );

            }

            _query.Query((q) =>
            {
                _data.Rows.Clear();
                foreach (var type in _types.Where(x=>!ExcludedTypes.Contains(x)))
                    _data.LoadFrom(
                        _query.Get(type), 
                        _mappings, 
                        (r) => r.Set<DigitalFormDockModel,Type>(x=>x.FormType,type)
                    );
                action.Invoke(_data, null);
            });
        }

        protected override DigitalFormDockModel LoadItem(CoreRow row)
        {
            return row.ToObject<DigitalFormDockModel>();
        }

        public override void SaveItem(DigitalFormDockModel item)
        {
            //throw new NotImplementedException();
        }

        protected override void DeleteItems(params CoreRow[] rows)
        {
            //throw new NotImplementedException();
        }

        protected override void DoDoubleClick(object sender)
        {
            base.DoDoubleClick(sender);

            var row = SelectedRows.FirstOrDefault();
            if (row is null)
                return;

            var instanceID = row.Get<DigitalFormDockModel, Guid>(x => x.ID);
            var formID = row.Get<DigitalFormDockModel, Guid>(x => x.FormID);
            var formType = row.Get<DigitalFormDockModel, Type>(x => x.FormType);
            
            var formInstance = Client.Create(formType)
                .Query(
                    Filter.Create<IDigitalFormInstance>(formType, x => x.ID).IsEqualTo(instanceID),
                    DynamicFormEditWindow.FormColumns(formType))
                .Rows.FirstOrDefault()
                ?.ToObject(formType) as IDigitalFormInstance;

            if(formInstance is null)
            {
                return;
            }
            if (formID == Guid.Empty)
            {
                var window = new DeletedFormWindow();
                window.FormData = formInstance?.FormData ?? "";
                window.ShowDialog();
                return;
            }
            if (DynamicFormEditWindow.EditDigitalForm(formInstance, out var model))
            {
                model.Update(null);
            }
        }
        
    }
    
    public partial class DigitalFormsDock : UserControl, IDockPanel
    {

        private static SolidColorBrush EnabledBrush = new SolidColorBrush(Colors.LightYellow);
        private static SolidColorBrush DisabledBrush = new SolidColorBrush(Colors.LightGray);

        public DigitalFormsDock()
        {
            InitializeComponent();
            RefreshButton.Content = new Image() { Source = PRSDesktop.Resources.refresh.AsBitmapImage() };
            foreach (var type in Items.Images.Keys)
            {
                Button button = new Button();
                button.Background = EnabledBrush;
                button.Content = new Image() { Source = Items.Images[type].AsBitmapImage() };
                button.BorderBrush = new SolidColorBrush(Colors.Gray);
                button.BorderThickness = new Thickness(0.75);
                button.Margin = new Thickness(2, 0, 0, 0);
                button.Width = 25D;
                button.Padding = new Thickness(2);
                button.ToolTip = type.EntityName().Split('.').Last().SplitCamelCase();
                button.Click += TypeFilterClick;
                button.Tag = type;
                TypeStack.Children.Add(button);
            }
        }

        private void TypeFilterClick(object sender, RoutedEventArgs e)
        {
            var button = (sender as Button)!;
            var type = (button.Tag as Type)!;
            if (Items.ExcludedTypes.Contains(type))
                Items.ExcludedTypes.Remove(type);
            else
                Items.ExcludedTypes.Add(type);
            button.Background = Items.ExcludedTypes.Contains(type)
                ? DisabledBrush
                : EnabledBrush;
            Refresh();
        }
        
        private void RefreshButton_OnClick(object sender, RoutedEventArgs e)
        {
            Refresh();
        }
        
        public void Setup()
        {
            Items.Refresh(true, false);           
        }
        
        public void Refresh()
        {
            Items.Refresh(false, true);
        }

        private void AgeCombo_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            var startdate = AgeCombo.SelectedIndex == 2
                ? DateTime.Today.AddDays(-30)
                : AgeCombo.SelectedIndex == 1
                    ? DateTime.Today.AddDays(-7)
                    : DateTime.Today;
            if ((Items != null) && (startdate != Items.StartDate))
            {
                Items.StartDate = startdate;
                Refresh();
            }
        }
    }
}