using System.Collections;
using System.Collections.ObjectModel;
using System.Reflection;
using System.Resources;
using System.Windows;

using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using Autodesk.Windows;

using ShrlAlgoToolkit.RevitAddins.Properties;
using ShrlAlgoToolkit.RevitAddins.RvFamily;
using ShrlAlgoToolkit.RevitAddins.RvFamily.FamilyLibrary;

namespace ShrlAlgoToolkit.RevitAddins.UIRibbon;

public class FamilyApp
{
    public FamilyApp(UIControlledApplication application, UIApplication uiapp)
    {
        Items = new ObservableCollection<FamilyModel>();
        uiapp.Application.DocumentChanged += Application_DocumentChanged;
        uiapp.Application.DocumentClosed += Application_DocumentClosed;
        //uiapp.Application.FamilyLoadedIntoDocument += Application_FamilyLoadedIntoDocument;
        CreateFamilyUI(application);

        CreateRecentPanel();
        BindingData();
        this.uiapp = uiapp;
    }

    //private void Application_FamilyLoadedIntoDocument(object sender, Autodesk.Revit.DB.Events.FamilyLoadedIntoDocumentEventArgs e)
    //{
    //    Document doc = e.Document;
    //    var existedFamilyIds = Items.Select(i => i.ReferenceFamily).Cast<Family>().Select(f => f.Id).ToList();
    //    var i = existedFamilyIds.IndexOf(e.OriginalFamilyId);
    //    if (i == -1)
    //    {
    //        var family = doc.GetElement(e.NewFamilyId) as Family;
    //        var symbol = doc.GetElement(family.GetFamilySymbolIds().FirstOrDefault()) as FamilySymbol;
    //        var bitmapsymbol?.GetPreviewImage(new System.Drawing.Size(56, 56)).ToBitmapImage();
    //        Items.Insert(0, new FamilyModel
    //        {
    //            Title = e.FamilyName,
    //            ReferenceFamily = family,
    //            $"布置 {e.FamilyName}",
    //            uiApplication = uiapp,
    //            BitmapbitmapImage
    //        });
    //    }
    //    else
    //    {
    //        Items.Move(i, 0);
    //    }
    //}

    private const string VbPanelName = "族工具";
    private const string VbRecentPanelName = "最近使用";

    //获取Ribbon类所在的通用类库目录
    private static readonly string TabName = RevitAddins.Properties.Settings.Default.TabName;
    private readonly UIApplication uiapp;

    public ObservableCollection<FamilyModel> Items { get; set; }

    private static bool IsFitting(FamilyInstance instance)
    {
        var category = instance.Category;
        if (category != null)
        {
#if REVIT2018 || REVIT2020
            var builtIncategory = (BuiltInCategory)category.Id.IntegerValue;
#elif REVIT2025
            var builtIncategory = (BuiltInCategory)category.Id.Value;
#endif
            //var name = Enum.Parse(typeof(BuiltInCategory), .ToString());

            var name = Enum.GetName(typeof(BuiltInCategory), builtIncategory);
            if (name.Contains("Fitting"))
            {
                return true;
            }
        }

        return false;
    }

    private void Application_DocumentChanged(object sender, Autodesk.Revit.DB.Events.DocumentChangedEventArgs e)
    {
        var doc = e.GetDocument();
        ElementClassFilter instanceClass = new(typeof(FamilyInstance));
        var elementIds = e.GetAddedElementIds(instanceClass);
        //e.GetTransactionNames()
        //elementIds.AddRange(e.GetModifiedElementIds());
        if (elementIds.Count > 0)
        {
            var elems = elementIds.Select(doc.GetElement).OfType<FamilyInstance>();
            var instances = elems.Where(instance => !IsFitting(instance));
            var existedFamilyIds = Items.Select(i => i.ReferenceFamily).Select(f => f.Id).ToList();
            var instanceGroups = instances.GroupBy(ins => ins.Symbol.Family.Id);
            foreach (var grouping in instanceGroups)
            {
                var familyId = grouping.Key;
                var i = existedFamilyIds.IndexOf(familyId);
                if (i == -1)
                {
                    NewGalleryItem(doc, familyId);
                }
                //不在第一位则新建到第一位
                else if (i > 0)
                {
                    Items.RemoveAt(i);
                    NewGalleryItem(doc, familyId);
                }
            }
        }

        //foreach (var elementFunc in instances)
        //{
        //    if (!(elementFunc is FamilyInstance instance)) continue;
        //    var family = instance.Symbol.Family;
        //    var symbolId = family?.GetFamilySymbolIds().FirstOrDefault();
        //    var symbol = doc.GetElement(symbolId) as FamilySymbol;
        //    var bitmapsymbol?.GetPreviewImage(new System.Drawing.Size(56, 56)).ConvertBitmapToBitmapImage();


        //    Items.Insert(0, new FamilyModel
        //    {
        //        Title = family?.Name,
        //        ReferenceFamily = family,
        //        $"布置{family?.Name}",
        //        uiApplication = uiApplication,
        //        BitmapbitmapImage
        //    });
        //}
    }

    private void Application_DocumentClosed(object sender, Autodesk.Revit.DB.Events.DocumentClosedEventArgs e)
    {
        Items.Clear();
    }

    private void BindingData()
    {
        var adTab = ComponentManager.Ribbon.Tabs.First(o => o.Title == TabName);
        var adPanel = adTab.Panels.First(o => o.Source.Title == VbRecentPanelName);
        var gallery = adPanel.Source.Items.First() as RibbonGallery;
        gallery!.ItemWidth = 56;
        gallery.ItemHeight = 56;
        gallery.ResizeStyle = RibbonItemResizeStyles.ChangeSize;
        gallery.DisplayMode = GalleryDisplayMode.Window;
        gallery.ResizableBoxWidth = 0.0;
        gallery.IsVirtualizing = true;
        gallery.RowsInWindowMode = 1;
        gallery.ShowImage = true;
        gallery.MinWidth = 400;

        // 1. 获取当前程序集的短名称 (例如 "ShrlAlgoToolkit.RevitAddins")
        string assemblyName = Assembly.GetExecutingAssembly().GetName().Name;
        // 2. 拼接 Pack URI
        // 注意：格式通常是 "/{程序集名称};component/{路径}"
        var resourceLocator = new Uri($"/{assemblyName};component/WPFUI.xaml", UriKind.Relative);

        var dictionary = (ResourceDictionary)Application.LoadComponent(resourceLocator);
        gallery.ItemTemplate = (DataTemplate)dictionary["FamilyGalleryItemTemplate"];
        //绑定数据
        gallery.ItemsBinding = new System.Windows.Data.Binding
        {
            Source = this,
            Path = new PropertyPath(nameof(Items)),
            //Source = Items,
            Mode = System.Windows.Data.BindingMode.OneWay
        };
        //绑定样式
    }
    public void CreateFamilyUI(UIControlledApplication application)
    {
        //AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
        //application.CreateRibbonTab(TabName);

        //UserPanel.AddAwItem(_loginPBData);
        //".\\*.*"中的“.”表示通用类库文件所在的目录（Debug），“..”表示的是上级的目录（bin），“..”\\..，引号表示再上一级目录
        //ContextualHelp contextualHelp = new ContextualHelp(ContextualHelpType.Url, "https://www.szmedi.com.cn");
        //_loginPBData.CreateContextualHelp(contextualHelp);

        var familyManagePanel = application.CreateRibbonPanel(TabName, VbPanelName);

        //在面板上添加添加浏览族库按钮
        var localFamilyPbd = UIAssist.NewPushButtonData<FamilyLibraryCmd>(
            "本地族库",
            Resources.library_32px,
            Resources.library_16px
        );


        var familyMassSave = UIAssist.NewPushButtonData<FamilyProcessorCmd>(
            "族复用",
            Resources.family_processor_32px,
            Resources.family_processor_16px
        );
        var replaceInstance = UIAssist.NewPushButtonData<ReplaceInstanceCmd>(
            "替换族",
            Resources.replace_32px,
            Resources.replace_16px
        );

        var updateFamilyFile = UIAssist.NewPushButtonData<UpgradeFamilyCmd>(
            "更新族",
            Resources.available_updates_32px,
            Resources.available_updates_16px,
            "更新族文件缩略图及升级至当前版本"
        );

        var renameFamily = UIAssist.NewPushButtonData<RenameFamilyNameCmd>(
            "重命名族",
            Resources.rename_family_32px,
            Resources.rename_family_16px
        );
        var renameType = UIAssist.NewPushButtonData<RenameTypeNameCmd>(
            "重命名类型",
            Resources.rename_type_32px,
            Resources.rename_type_16px
        );

        familyManagePanel.AddItem(localFamilyPbd);
        familyManagePanel.AddStackedItems(familyMassSave, replaceInstance, updateFamilyFile);
        familyManagePanel.AddStackedItems(renameFamily, renameType);
    }

    private static void CreateRecentPanel()
    {
        var adTab = ComponentManager.Ribbon.Tabs.First(o => o.Title == TabName);
        var recentPanel = new Autodesk.Windows.RibbonPanel
        {
            Source = new RibbonPanelSource { Title = VbRecentPanelName }
        };

        adTab.Panels.Insert(adTab.Panels.Count, recentPanel);

        recentPanel.Source.Items.Add(new RibbonGallery { Name = "_ribbonGallery_recent" });
        recentPanel.IsVisible = true;
    }

    private void NewGalleryItem(Document doc, ElementId familyId)
    {
        var family = doc.GetElement(familyId) as Family;
        var symbol = doc.GetElement(family!.GetFamilySymbolIds().FirstOrDefault()) as FamilySymbol;
        var bitmap = symbol?.GetPreviewImage(new System.Drawing.Size(50, 50)).ToBitmapImage();
        Items.Insert(
            0,
            new FamilyModel
            {
                ReferenceFamily = family,
                Title = family.Name,
                UiApplication = uiapp,
                BitmapImage = bitmap,
                ToolTip = $"布置：{family.Name}\n\r所属文档：{family.Document.Title}",
            }
        );
    }
}