using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using Microsoft.Win32;

namespace ExampleCsPlugin
{
    [ComVisible(true),
        Guid("5870B3F1-8393-4c83-ACED-1D5E803A4F2B"),
        ClassInterface(ClassInterfaceType.None)]
    public class MyPlugin : Interop.BugTraqProvider.IBugTraqProvider2, Interop.BugTraqProvider.IBugTraqProvider
    {
		private List<TicketItem> selectedTickets = new List<TicketItem>();

        public bool ValidateParameters(IntPtr hParentWnd, string parameters)
        {
            return true;
        }

        public string GetLinkText(IntPtr hParentWnd, string parameters)
        {
            return "Choose Issue";
        }

        public string GetCommitMessage(IntPtr hParentWnd, string parameters, string commonRoot, string[] pathList,
                                       string originalMessage)
        {
			return GetCommitMessage2( hParentWnd, parameters, "", commonRoot, pathList, originalMessage );
        }

		public string GetCommitMessage2( IntPtr hParentWnd, string parameters, string commonURL, string commonRoot, string[] pathList,
							   string originalMessage )
		{
			try
			{
				List<TicketItem> tickets = new List<TicketItem>( );
				tickets.Add( new TicketItem( 12, "Service doesn't start on Windows Vista" ) );
				tickets.Add( new TicketItem( 19, "About box doesn't render correctly in large fonts mode" ) );

				/*
								tickets.Add(new TicketItem(88, commonRoot));
								foreach (string path in pathList)
									tickets.Add(new TicketItem(99, path));
				 */

				MyIssuesForm form = new MyIssuesForm( tickets );
				if ( form.ShowDialog( ) != DialogResult.OK )
					return originalMessage;

				StringBuilder result = new StringBuilder( originalMessage );
				if ( originalMessage.Length != 0 && !originalMessage.EndsWith( "\n" ) )
					result.AppendLine( );

				foreach ( TicketItem ticket in form.TicketsFixed )
				{
					result.AppendFormat( "Fixed #{0}: {1}", ticket.Number, ticket.Summary );
					result.AppendLine( );
					selectedTickets.Add( ticket );
				}

				return result.ToString( );
			}
			catch ( Exception ex )
			{
				MessageBox.Show( ex.ToString( ) );
				throw;
			}
		}

		public string OnCommitFinished( IntPtr hParentWnd, string commonRoot, string[] pathList, string logMessage, int revision )
		{
			// we now could use the selectedTickets member to find out which tickets
			// were assigned to this commit.
			CommitFinishedForm form = new CommitFinishedForm( selectedTickets );
			if ( form.ShowDialog( ) != DialogResult.OK )
				return "";
			// just for testing, we return an error string
			return "an error happened while closing the issue";
		}

		public bool HasOptions()
		{
			return true;
		}

		public string ShowOptionsDialog( IntPtr hParentWnd, string parameters )
		{
			OptionsForm form = new OptionsForm( );
			if ( form.ShowDialog( ) != DialogResult.OK )
				return "";

			string options = form.checkBox1.Checked ? "option1" : "";
			options += form.checkBox2.Checked ? "option2" : "";
			return options;
		}

	}
}