using System.Windows;
using System.Windows.Controls;

using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Autodesk.Revit.UI.Selection;

using Nice3point.Revit.Toolkit.External.Handlers;


namespace Sai.RvKits.RvView;

public partial class ElementsControlDock : Page, IDockablePaneProvider
{
    public ElementsControlDock()
    {
        InitializeComponent();
    }
    private ActionEventHandler ActionEventHandler { get; } = new();
    //将外部事件定义为属性

    //初始化可停靠窗口
    public void SetupDockablePane(DockablePaneProviderData data)
    {
        data.FrameworkElement = this;

        data.InitialState = new DockablePaneState
        {
            DockPosition = DockPosition.Tabbed
        };
    }

    private void Btn_Click(object sender, RoutedEventArgs e)
    {
        var btn = (Wpf.Ui.Controls.Button)sender;

        ElementClassFilter instanceFilter = new(typeof(FamilyInstance));
        ElementClassFilter hostFilter = new(typeof(HostObject));

        LogicalOrFilter orFilter = new(instanceFilter, hostFilter);

        if (HideElements == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var uidoc = app.ActiveUIDocument;
                var doc = uidoc.Document;
                var selectedIds = uidoc.Selection.GetElementIds();

                doc.Invoke(_ => uidoc.Document.ActiveView.HideElements(selectedIds), "隐藏对象");
            });
        }
        else if (IsolateElements == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var uidoc = app.ActiveUIDocument;
                var doc = app.ActiveUIDocument.Document;
                var selection = uidoc.Selection;
                var selectedIds = selection.GetElementIds();

                var collector = new FilteredElementCollector(doc, uidoc.ActiveView.Id)
                .WherePasses(orFilter)
                .Excluding(selectedIds)
                .ToElementIds();
                doc.Invoke(_ => uidoc.ActiveView.HideElements(collector), "隔离对象");
            });
        }
        else if (RevealHiddenElements == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var doc = app.ActiveUIDocument.Document;
                var uidoc = app.ActiveUIDocument;
                var view = uidoc.Document.ActiveView;

                if (doc.IsFamilyDocument)
                {
                    ElementClassFilter formFilter = new(typeof(GenericForm));
                    ElementClassFilter combineFilter = new(typeof(GeomCombination));

                    orFilter = new(
                        [instanceFilter, formFilter, combineFilter]);
                }
                var hiddenElemsIds = new FilteredElementCollector(doc)
                .WherePasses(orFilter)
                .Where(e => e.IsHidden(view))
                .Select(e => e.Id).ToList();
                doc.Invoke(_ => view.UnhideElements(hiddenElemsIds), "显示隐藏");
            });
        }
        else if (PinElements == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var uidoc = app.ActiveUIDocument;
                var doc = app.ActiveUIDocument.Document;
                var selectedIds = uidoc.Selection.GetElementIds();
                doc.Invoke(_ =>
                {
                    foreach (var eleId in selectedIds)
                    {
                        var ele = doc.GetElement(eleId);
                        if (!ele.Pinned)
                        {
                            ele.Pinned = true;
                        }
                    }
                }, "锁定对象");
            });
        }
        else if (PinCategories == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var uidoc = app.ActiveUIDocument;
                var doc = app.ActiveUIDocument.Document;
                var selectedIds = uidoc.Selection.GetElementIds();
                var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                doc.Invoke(_ =>
                {
                    foreach (var group in groups)
                    {
                        new FilteredElementCollector(doc)
                        .OfCategoryId(group.Key)
                        .Where(elem => !elem.Pinned)
                        .ToList()
                        .ForEach(elem => elem.Pinned = true);
                    }
                }, "锁定类别");
            });
        }
        else if (HideCategories == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                //RevitCommandId cmdId = RevitCommandId.LookupPostableCommandId(PostableCommand.HideCategory);
                //app.PostCommand(cmdId);
                var uidoc = app.ActiveUIDocument;
                var doc = app.ActiveUIDocument.Document;
                //得到选择对象的ID
                var selectedIds = uidoc.Selection.GetElementIds();
                var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                doc.Invoke(_ =>
                {
                    foreach (var group in groups)
                    {
                        var collector = new FilteredElementCollector(doc, uidoc.ActiveView.Id).OfCategoryId(group.Key).ToElementIds();
                        uidoc.ActiveView.HideElements(collector);
                        //相当于在VV菜单中关闭类别显示
                        //if (!UiDocument.ActiveView.GetCategoryHidden(category.Id))
                        //{
                        //    UiDocument.Document.ActiveView.SetCategoryHidden(category.Id, true);
                        //}
                    }
                }, "隐藏类别");
            });
        }
        else if (IsolateCategories == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var uidoc = app.ActiveUIDocument;
                var doc = app.ActiveUIDocument.Document;
                //得到选择对象的ID
                var selectedIds = uidoc.Selection.GetElementIds();

                var collector = new FilteredElementCollector(doc, uidoc.ActiveView.Id)
                .WherePasses(orFilter)
                .ToElementIds();
                doc.Invoke(_ =>
                {
                    uidoc.ActiveView.HideElements(collector);
                    var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                    foreach (var group in groups)
                    {
                        var collection = new FilteredElementCollector(doc, uidoc.ActiveView.Id).OfCategoryId(group.Key).ToElementIds();

                        uidoc.Document.ActiveView.UnhideElements(collection);
                    }
                }, "隔离类别");
            });
        }
        else if (UnpinAllElements == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var doc = app.ActiveUIDocument.Document;
                doc.Invoke(_ =>
                {
                    new FilteredElementCollector(doc)
                .WherePasses(orFilter)
                .Where(elem => elem.Pinned)
                .ToList()
                .ForEach(elem => elem.Pinned = false);
                }, "解锁全部");
            });
        }
        else if (UnpinCategories == btn)
        {
            ActionEventHandler.Raise(app =>
            {
                var uidoc = app.ActiveUIDocument;
                var doc = app.ActiveUIDocument.Document;
                //得到选择对象的ID
                var selectedIds = uidoc.Selection.GetElementIds();

                doc.Invoke(_ =>
                {
                    var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                    foreach (var group in groups)
                    {
                        new FilteredElementCollector(doc)
                        .OfCategoryId(group.Key)
                        .Where(elem => elem.Pinned)
                        .ToList()
                        .ForEach(e => e.Pinned = false);
                    }
                }, "解锁类别");
            });
        }
    }
}