// <file>
//     <copyright see="prj:///doc/copyright.txt"/>
//     <license see="prj:///doc/license.txt"/>
//     <owner name="Daniel Grunwald" email="daniel@danielgrunwald.de"/>
//     <version>$Revision$</version>
// </file>

using System;
using System.Collections.Generic;
using System.IO;
using System.Windows.Forms;

using ICSharpCode.Core;
using ICSharpCode.Core.WinForms;
using ICSharpCode.SharpDevelop.Gui;
using ICSharpCode.SharpDevelop.Project;

namespace ICSharpCode.SharpDevelop.Commands
{
	public class StartWorkbenchCommand
	{
		const string workbenchMemento = "WorkbenchMemento";
		
		/*
		class FormKeyHandler : IMessageFilter
		{
			const int keyPressedMessage          = 0x100;
			
			void SelectActiveWorkbenchWindow()
			{
				if (WorkbenchSingleton.Workbench.ActiveWorkbenchWindow != null) {
					if (!WorkbenchSingleton.Workbench.ActiveWorkbenchWindow.ActiveViewContent.Control.ContainsFocus) {
						if (Form.ActiveForm == WorkbenchSingleton.MainForm) {
							WorkbenchSingleton.Workbench.ActiveWorkbenchWindow.ActiveViewContent.Control.Focus();
						}
					}
				}
			}
			
			bool PadHasFocus()
			{
				foreach (PadDescriptor padContent in WorkbenchSingleton.Workbench.PadContentCollection) {
					if (padContent.HasFocus) {
						return true;
						
					}
				}
				return false;
			}
			string oldLayout = "Default";
			public bool PreFilterMessage(ref Message m)
			{
				if (m.Msg != keyPressedMessage) {
					return false;
				}
				Keys keyPressed = (Keys)m.WParam.ToInt32() | Control.ModifierKeys;
				
				if (keyPressed == Keys.Escape) {
					if (PadHasFocus() && !MenuService.IsContextMenuOpen) {
						SelectActiveWorkbenchWindow();
						return true;
					}
					return false;
				}
				
				if (keyPressed == (Keys.Escape | Keys.Shift)) {
					if (LayoutConfiguration.CurrentLayoutName == "Plain") {
						LayoutConfiguration.CurrentLayoutName = oldLayout;
					} else {
						WorkbenchSingleton.Workbench.WorkbenchLayout.StoreConfiguration();
						oldLayout = LayoutConfiguration.CurrentLayoutName;
						LayoutConfiguration.CurrentLayoutName = "Plain";
					}
					SelectActiveWorkbenchWindow();
					return true;
				}
				return false;
			}
		}
		*/
		
		public void Run(IList<string> fileList)
		{
			bool didLoadSolutionOrFile = false;
		
			NavigationService.SuspendLogging();
			
			foreach (string file in fileList) {
				LoggingService.Info("Open file " + file);
				didLoadSolutionOrFile = true;
				try {
					string fullFileName = Path.GetFullPath(file);
					
					IProjectLoader loader = ProjectService.GetProjectLoader(fullFileName);
					if (loader != null) {
						loader.Load(fullFileName);
					} else {
						FileService.OpenFile(fullFileName);
					}
				} catch (Exception e) {
					MessageService.ShowException(e, "unable to open file " + file);
				}
			}
			
			// load previous solution
			if (!didLoadSolutionOrFile && PropertyService.Get("SharpDevelop.LoadPrevProjectOnStartup", false)) {
				if (FileService.RecentOpen.RecentProject.Count > 0) {
					ProjectService.LoadSolution(FileService.RecentOpen.RecentProject[0].ToString());
					didLoadSolutionOrFile = true;
				}
			}
			
			if (!didLoadSolutionOrFile) {
				foreach (ICommand command in AddInTree.BuildItems<ICommand>("/Workspace/AutostartNothingLoaded", null, false)) {
					try {
						command.Run();
					} catch (Exception ex) {
						MessageService.ShowException(ex);
					}
				}
			}
			
			NavigationService.ResumeLogging();
			
			//WorkbenchSingleton.MainForm.Focus(); // windows.forms focus workaround
			
			ParserService.StartParserThread();
						
			// finally run the workbench window ...
			//Application.AddMessageFilter(new FormKeyHandler());
			//Application.Run(WorkbenchSingleton.MainForm);
			
			App application = new App();
			System.Windows.Forms.Integration.WindowsFormsHost.EnableWindowsFormsInterop();
			application.Run(WorkbenchSingleton.MainWindow);

			// save the workbench memento in the ide properties
			try {
				PropertyService.Set(workbenchMemento, WorkbenchSingleton.Workbench.CreateMemento());
			} catch (Exception e) {
				MessageService.ShowException(e, "Exception while saving workbench state.");
			}
		}
	}
}