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

using Autodesk.Revit.DB;
using Nice3point.Revit.Toolkit.External.Handlers;


namespace ShrlAlgoToolkit.RevitAddins.RvView;

public partial class ElementsControlDock : 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 = (Button)sender;

        ElementClassFilter instanceFilter = new(typeof(FamilyInstance));
        ElementClassFilter hostFilter = new(typeof(HostObject));
        LogicalOrFilter orFilter = new(instanceFilter, hostFilter);

        ActionEventHandler.Raise(app =>
        {
            var uidoc = app.ActiveUIDocument;
            var doc = uidoc.Document;
            //得到选择对象的ID
            var selectedIds = uidoc.Selection.GetElementIds();
            var view = uidoc.ActiveView;
            doc.Invoke(
            _ =>
                {
                    //隐藏元素
                    if (HideElements == btn)
                    {
                        view.HideElements(selectedIds);
                    }
                    //所有视图隐藏元素
                    else if (HideElementsAll == btn)
                    {
                        var col = doc.OfClass<View>()
                            .WhereElementIsNotElementType()
                            .Cast<View>()
                            .Where(v => !v.IsTemplate);
                        foreach (var v in col)
                        {
                            v.HideElements(uidoc.Selection.GetElementIds());
                        }
                    }
                    //隔离元素
                    else if (IsolateElements == btn)
                    {
                        var collector = view.OfCollector()
                                .WherePasses(orFilter)
                                .Excluding(selectedIds)
                                .ToElementIds();
                        doc.Invoke(_ => view.HideElements(collector), $"{btn.Content}");
                    }
                    //显示隐藏
                    else if (RevealHiddenElements == btn)
                    {
                        //if (doc.IsFamilyDocument)
                        //{
                        //    ElementClassFilter formFilter = new(typeof(GenericForm));
                        //    ElementClassFilter combineFilter = new(typeof(GeomCombination));

                        //    orFilter = new(
                        //            [instanceFilter, formFilter, combineFilter]);
                        //}
                        //var hiddenElemsIds = doc.OfCollector()
                        //    .WherePasses(orFilter)
                        //    .Where(e => e.IsHidden(view))
                        //    .Select(e => e.Id).ToList();
                        //doc.Invoke(_ => view.UnhideElements(hiddenElemsIds), $"{btn.Content}");
                        if (doc.IsFamilyDocument)
                        {
                            var col = new FilteredElementCollector(doc).WhereElementIsNotElementType();
                            var views = new FilteredElementCollector(doc).OfClass(typeof(View)).WhereElementIsNotElementType().Cast<View>().ToList();
                            Transaction transaction = new Transaction(doc, $"{btn.Content}");
                            transaction.Start();
                            foreach (var v in views)
                            {
                                foreach (Element item in col)
                                {
                                    if (item.IsHidden(v))
                                    {
                                        v.UnhideElements([item.Id]);
                                    }
                                }
                            }
                            transaction.Commit();
                        }
                        else
                        {
                            var col = new FilteredElementCollector(doc).WhereElementIsNotElementType();
                            Transaction transaction = new Transaction(doc, $"{btn.Content}");
                            transaction.Start();
                            foreach (Element item in col)
                            {
                                if (item.IsHidden(doc.ActiveView))
                                {
                                    doc.ActiveView.UnhideElements([item.Id]);
                                }
                            }
                            transaction.Commit();
                        }
                        return;
                    }
                    //锁定元素
                    else if (PinElements == btn)
                    {
                        foreach (var eleId in selectedIds)
                        {
                            var ele = doc.GetElement(eleId);
                            if (!ele.Pinned)
                            {
                                ele.Pinned = true;
                            }
                        }
                    }
                    //锁定类别
                    else if (PinCategories == btn)
                    {
                        var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                        doc.Invoke(_ =>
                            {
                                foreach (var group in groups)
                                {
                                    doc.OfCollector()
                                    .OfCategoryId(group.Key)
                                    .Where(elem => !elem.Pinned)
                                    .ToList()
                                    .ForEach(elem => elem.Pinned = true);
                                }
                            }, $"{btn.Content}");
                    }
                    //隐藏类别
                    else if (HideCategories == btn)
                    {
                        var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                        doc.Invoke(_ =>
                            {
                                foreach (var group in groups)
                                {
                                    var collector = view.OfCollector().OfCategoryId(group.Key).ToElementIds();
                                    view.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);
                                    //}
                                }
                            }, $"{btn.Content}");
                    }
                    //隔离类别
                    else if (IsolateCategories == btn)
                    {
                        var collector = view.OfCollector()
                               .WherePasses(orFilter)
                               .ToElementIds();
                        view.HideElements(collector);
                        var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                        foreach (var group in groups)
                        {
                            var collection = view.OfCollector().OfCategoryId(group.Key).ToElementIds();

                            view.UnhideElements(collection);
                        }
                    }
                    //解锁全部
                    else if (UnpinAllElements == btn)
                    {
                        doc.OfCollector()
                            .WherePasses(orFilter)
                            .Where(elem => elem.Pinned)
                            .ToList()
                            .ForEach(elem => elem.Pinned = false);
                    }
                    //解锁类别
                    else if (UnpinCategories == btn)
                    {
                        var groups = selectedIds.GroupBy(id => doc.GetElement(id).Category.Id);
                        foreach (var group in groups)
                        {
                            doc.OfCollector()
                            .OfCategoryId(group.Key)
                            .Where(elem => elem.Pinned)
                            .ToList()
                            .ForEach(e => e.Pinned = false);
                        }
                    }
                },
            $"{btn.Content}");
        });
    }
}