//
// OpenVPN Administrator
//
// Author(s): Everaldo Canuto <everaldo@simios.org>
// 
// (C) 2006 Everaldo Canuto <everaldo@simios.org>
// (C) 2006 The Gang <www.the-gang.net>
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//

using System;
using Mono.Unix;
using Gtk;
using Glade;
using System.IO;

namespace OpenVPN.Admin
{
	public class CertForm : BaseDialog
	{
		#region Fields
		
		[Widget] Image imageLogo;
		[Widget] Button buttonCreate;
		//[Widget] Button buttonClose;
		[Widget] Notebook notebookArea;
		[Widget] Entry entryName;
		[Widget] Entry entryKeySize;
		[Widget] Entry entryEMail;
		[Widget] Entry entryCountry;
		[Widget] Entry entryState;
		[Widget] Entry entryCity;
		[Widget] Entry entryOrganization;
		[Widget] Entry entryUnit;
		[Widget] Entry entryPassPhrase;
		[Widget] Entry entryPassAgain;
		[Widget] Entry entryFolder;
				
		// Page 2
		[Widget] Label labelKey;
		[Widget] Label labelReq;
		[Widget] TextView textRequest;
		
		#endregion
	
		#region Constructors and destructors
		
		public CertForm() 
		{
			InitializeComponent("certForm");

			Window.Icon      = Gdk.Pixbuf.LoadFromResource("certificate.png");
			imageLogo.Pixbuf = Gdk.Pixbuf.LoadFromResource("certificate.png");
			
			// notebookArea
			notebookArea.CurrentPage = 0;
			notebookArea.ShowTabs = false;
						
			// Event handler.
			entryName.Changed         += new EventHandler(on_entry_changed);
			entryKeySize.Changed      += new EventHandler(on_entry_changed);
			entryEMail.Changed        += new EventHandler(on_entry_changed);
			entryCountry.Changed      += new EventHandler(on_entry_changed);
			entryState.Changed        += new EventHandler(on_entry_changed);
			entryCity.Changed         += new EventHandler(on_entry_changed);
			entryOrganization.Changed += new EventHandler(on_entry_changed);
			entryUnit.Changed         += new EventHandler(on_entry_changed);
			entryPassPhrase.Changed   += new EventHandler(on_entry_changed);
			entryPassAgain.Changed    += new EventHandler(on_entry_changed);
			entryFolder.Changed       += new EventHandler(on_entry_changed);
		}
        
		#endregion
        
		#region Private methods

		private void on_entry_changed(object o, EventArgs args)
		{
			// Disable Create button if fields is empty.
			buttonCreate.Sensitive = ((entryName.Text.Trim().Length > 0) &&
									  (entryEMail.Text.Trim().Length > 0) &&
									  (entryCountry.Text.Trim().Length > 0) &&
									  (entryState.Text.Trim().Length > 0) &&
									  (entryCity.Text.Trim().Length > 0) &&
									  //(entryOrganization.Text.Trim().Length > 0) &&
									  //(entryUnit.Text.Trim().Length > 0) &&
									  //(entryPassPhrase.Text.Trim().Length > 0) &&
									  //(entryPassAgain.Text.Trim().Length > 0) &&
									  (entryFolder.Text.Trim().Length > 0));

		}
		
		public void on_create_clicked(object o, EventArgs args) 
		{
			try
			{
				if (entryPassPhrase.Text != entryPassAgain.Text) 
					throw new Exception(Catalog.GetString("Passphrase and Passphrase (Again) need to be the same."));

				if (entryCountry.Text.Length < 2) 
					throw new Exception(Catalog.GetString("Country need to have 2 chars."));

				string fileprefix = entryName.Text.Trim().Replace(" ", "_");
				
				Certificate cert = new Certificate();
				cert.Name         = entryName.Text;
				cert.KeySize      = entryKeySize.Text;
				cert.EMail        = entryEMail.Text;
				cert.Country      = entryCountry.Text;
				cert.State        = entryState.Text;
				cert.City         = entryCity.Text;
				cert.Organization = entryOrganization.Text;
				cert.Unit         = entryUnit.Text;
				cert.Passphrase   = entryPassPhrase.Text;
				cert.Path         = entryFolder.Text;
				cert.FilePrefix   = fileprefix;
				cert.Make();
				
				labelKey.Text = System.IO.Path.GetFileName(cert.KeyFile);
				labelReq.Text = System.IO.Path.GetFileName(cert.RequestFile);
				
				textRequest.Buffer.Text = File.OpenText(cert.RequestFile).ReadToEnd();; 
				notebookArea.CurrentPage = 1;
				buttonCreate.Hide();
        	}
			catch (Exception e)
			{
				ErrorBox(e.Message);
			}
		}

		#endregion        
	}
	
}