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

using Nice3point.Revit.Toolkit.External.Handlers;

using System.ComponentModel;

using System.Linq;
using System.Windows;

using System.Windows.Data;

namespace Szmedi.RvKits.FamilyTools
{
    /// <summary>
    ///     PreviewFam.xaml 的交互逻辑
    /// </summary>
    public partial class PreviewFam
    {
        private readonly Document doc;
        private readonly UIDocument uidoc;
        private readonly Document famdoc;
        private readonly ActionEventHandler handler;
        public PreviewFam()
        {
            InitializeComponent();
        }

        public PreviewFam(Autodesk.Revit.ApplicationServices.Application app, UIDocument uidoc, string filepath, ActionEventHandler handler)
        {
            InitializeComponent();
            this.handler = handler;
            Autodesk.Revit.ApplicationServices.Application application = app;
            famdoc = application.OpenDocumentFile(filepath);
            this.uidoc = uidoc;
            this.doc = uidoc.Document;
            //doc = uiapp.ActiveUIDocument.doc;
            FilteredElementCollector collector = new FilteredElementCollector(famdoc).OfClass(typeof(View3D));

            //IEnumerable<View> secs = from Element f in collecotr where (f as View3D).CanBePrinted == true select (f as View);
            View3D v3d = collector.FirstOrDefault() as View3D;
            handler.Raise(
                _ =>
                {
                    using (Transaction trans = new(famdoc))
                    {
                        trans.Start("修改显示");
                        v3d.DetailLevel = ViewDetailLevel.Fine;
                        v3d.DisplayStyle = DisplayStyle.RealisticWithEdges;
                        trans.Commit();
                    }
                });

            PreviewControl pre = new(famdoc, v3d.Id);

            grid.Children.Add(pre);

            ParaViewModel vm = new(famdoc);
            CbbFamType.DataContext = vm;
        }

        private void CbbFamType_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
        {
            if (CbbFamType.SelectedItem != null)
            {
                FamilyType ft = ((KeyValuePair<string, FamilyType>)CbbFamType.SelectedItem).Value;
                System.Collections.ObjectModel.ObservableCollection<ParaModel> paras = new ParaViewModel(famdoc, ft).Parameters;
                ParasDG.ItemsSource = paras;
                ICollectionView vw = CollectionViewSource.GetDefaultView(paras);
                //分组
                vw.GroupDescriptions.Add(new PropertyGroupDescription("Group"));
                //注意这行代码，设置视图的区域性信息为当前区域性对象
                vw.Culture = System.Globalization.CultureInfo.CurrentCulture;
                //排序
                vw.SortDescriptions.Add(new SortDescription("Group", ListSortDirection.Ascending));
                handler.Raise(
                    _ =>
                    {
                        using Transaction trans = new(famdoc);
                        trans.Start("修改类型");
                        famdoc.FamilyManager.CurrentType = ft;
                        trans.Commit();
                    });
            }
        }

        private void LoadFam_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                handler.Raise(
                _ =>
                {
                    using Transaction trans = new(doc);
                    trans.Start("加载族" + "-" + Path.GetFileNameWithoutExtension(famdoc.PathName));
                    doc.LoadFamily(famdoc.PathName, out var family);
                    trans.Commit();
                    Close();
                    var fs = family.GetFamilySymbolIds().Select(id => doc.GetElement(id) as FamilySymbol).FirstOrDefault();
                    if (fs != null)
                    {
                        uidoc.PromptForFamilyInstancePlacement(fs);
                    }
                });
            }
            catch (System.Exception)
            {

                throw;
            }

        }

        private void Window_Closed(object sender, System.EventArgs e)
        {
            famdoc.Close(false);
        }

        //private ObservableCollection<ParaModel> GetParameters(FamilyType ft)
        //{
        //    ObservableCollection<ParaModel> parameters = new ObservableCollection<ParaModel>();
        //    //FamilyTypeSet types = famdoc.FamilyManager.Types;
        //    //var familytype = from FamilyType t in types
        //    //                 where t.Name == ft
        //    //                 select t;
        //    var paras = new ParaViewModel(, ft).Parameters;
        //    return parameters;
        //}
    }
}