using System;
using UniversalWidgetToolkit;
using UniversalWidgetToolkit.Controls;

namespace UniversalEditor.UserInterface.Dialogs
{
	[ContainerLayout("~/Dialogs/AboutDialog.glade", "GtkDialog")]
	public class AboutDialog : Dialog
	{
		private ListView tvComponents;

		protected override void OnCreating (EventArgs e)
		{
			base.OnCreating (e);

			InitializeInstalledComponentsTab ();
			tvComponents.Columns.Add (new ListViewColumnText (tmComponents.Columns [0], "Name"));
			tvComponents.Columns.Add (new ListViewColumnText (tmComponents.Columns [1], "Details"));
			tvComponents.Model = tmComponents;
		}

		private DefaultTreeModel tmComponents = new DefaultTreeModel (new Type [] { typeof (string), typeof(string) });

		private void InitializeInstalledComponentsTab ()
		{
			#region Object Models
			{
				TreeModelRow tnParent = null;
				ObjectModelReference [] omrs = UniversalEditor.Common.Reflection.GetAvailableObjectModels ();
				foreach (ObjectModelReference omr in omrs) {
					string title = omr.Type.Assembly.GetName ().Name;
					object [] atts = omr.Type.Assembly.GetCustomAttributes (typeof (System.Reflection.AssemblyTitleAttribute), false);
					if (atts.Length > 0) {
						title = (atts [0] as System.Reflection.AssemblyTitleAttribute).Title;
					}

					if (tnParent == null) {
						if (tmComponents.Rows.Contains (title)) {
							tnParent = tmComponents.Rows [title];
						} else {
							tnParent = new TreeModelRow (
							new TreeModelRowColumn []
							{
								new TreeModelRowColumn(tmComponents.Columns[0], title)
							}); // LibraryClosed
							tnParent.Name = title;
							tmComponents.Rows.Add (tnParent);
						}
					} else {
						if (tnParent.Rows.Contains (title)) {
							tnParent = tnParent.Rows [title];
						} else {
							tnParent = new TreeModelRow (
							new TreeModelRowColumn []
							{
								new TreeModelRowColumn(tmComponents.Columns[0], title)
							}); // LibraryClosed
							tnParent.Name = title;
							tnParent.Rows.Add (tnParent);
						}
					}
					tnParent.SetExtraData<System.Reflection.Assembly>("asm", omr.Type.Assembly);

					foreach (string s in omr.Path) {
						if (tnParent == null) {
							if (tmComponents.Rows.Contains (s)) {
								tnParent = tmComponents.Rows [s];
							} else {
								tnParent = new TreeModelRow (new TreeModelRowColumn []
								{
								new TreeModelRowColumn(tmComponents.Columns[0], s)
								}); //"generic-folder-closed", "generic-folder-closed");
								tnParent.Name = s;
								tmComponents.Rows.Add (tnParent);
							}
						} else {
							if (tnParent.Rows.Contains (s)) {
								tnParent = tnParent.Rows [s];
							} else {
								TreeModelRow tnNew = new TreeModelRow (new TreeModelRowColumn []
								{
								new TreeModelRowColumn(tmComponents.Columns[0], s)
								}); //"generic-folder-closed", "generic-folder-closed");
								tnNew.Name = s;
								tnParent.Rows.Add (tnNew);
								tnParent = tnNew;
							}
						}

						if (Array.IndexOf<string> (omr.Path, s) == omr.Path.Length - 1) {
							// tnParent.ImageKey = "ObjectModel";
							// tnParent.SelectedImageKey = "ObjectModel";
							tnParent.SetExtraData<ObjectModelReference> ("omr", omr);

							DataFormatReference [] dfrs = UniversalEditor.Common.Reflection.GetAvailableDataFormats (omr);
							if (dfrs.Length > 0) {
								TreeModelRow tnParentDataFormats = null;
								if (!tnParent.Rows.Contains ("DataFormats")) {
									tnParentDataFormats = new TreeModelRow (new TreeModelRowColumn [] {
										new TreeModelRowColumn(tmComponents.Columns[0], "DataFormats")
									});
									tnParentDataFormats.Name = "DataFormats";
									// tnParentDataFormats.Text = "DataFormats";
									// tnParentDataFormats.ImageKey = "generic-folder-closed";
									// tnParentDataFormats.SelectedImageKey = "generic-folder-closed";
									tnParent.Rows.Add (tnParentDataFormats);
								} else {
									tnParentDataFormats = tnParent.Rows ["DataFormats"];
								}
								foreach (DataFormatReference dfr in dfrs) {
									if (!tnParentDataFormats.Rows.Contains (dfr.Title)) {
										string [] deets = dfr.GetDetails ();

										TreeModelRow tnDataFormat = new TreeModelRow (new TreeModelRowColumn []
										{
											new TreeModelRowColumn(tmComponents.Columns[0], deets.Length > 0 ? deets[0] : String.Empty),
											new TreeModelRowColumn(tmComponents.Columns[1], deets.Length > 1 ? deets[1] : String.Empty)
										});
										// "DataFormat", "DataFormat"
										tnDataFormat.SetExtraData<DataFormatReference> ("dfr", dfr);
										tnParentDataFormats.Rows.Add (tnDataFormat);
									}
								}
							}

							EditorReference [] reditors = UniversalEditor.UserInterface.Common.Reflection.GetAvailableEditors (omr);
							if (reditors.Length > 0) {
								TreeModelRow tnParentEditors = null;
								if (!tnParent.Rows.Contains ("Editors")) {
									tnParentEditors = new TreeModelRow (new TreeModelRowColumn []
									{
										new TreeModelRowColumn(tmComponents.Columns[0], "Editors")
									});
									tnParentEditors.Name = "Editors";
									// tnParentEditors.ImageKey = "generic-folder-closed";
									// tnParentEditors.SelectedImageKey = "generic-folder-closed";
									tnParent.Rows.Add (tnParentEditors);
								} else {
									tnParentEditors = tnParent.Rows ["Editors"];
								}
								foreach (EditorReference reditor in reditors) {
									if (!tnParentEditors.Rows.Contains (reditor.Title)) {
										TreeModelRow tnEditor = new TreeModelRow (new TreeModelRowColumn []
										{
											new TreeModelRowColumn(tmComponents.Columns[0], reditor.Title)
										});
										tnParentEditors.Rows.Add (tnEditor); // Editor
										tnEditor.SetExtraData<EditorReference>("er", reditor);
									}
								}
							}
						}
					}
					tnParent = null;
				}
			}
			#endregion
		}
	}
}