using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Threading;
using System.IO;

using smutils = SafeMobileLib.Utils;
using System.Diagnostics;
using Microsoft.VisualBasic.ApplicationServices;
using System.Collections.ObjectModel;
using SafeMobileLib.Helpers;
using Tetra_GW.Helpers;

namespace Tetra_GW
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        static MainForm MainWindow = null;
        static String filename = "";
        static void Main(string[] args)
        {
            Console.Title = "Tetra_GWConsole";

            // parse the command line args 
            CommandLineHelper clh = new CommandLineHelper(args, Console.Title);

            // load the configuration for the gateway
            ConfigHelper.LoadConfig();


            if (!AppDomain.CurrentDomain.FriendlyName.EndsWith("vshost.exe"))
            {
                Application.ThreadException += new ThreadExceptionEventHandler(Application_ThreadException);

                // Set the unhandled exception mode to force all Windows Forms errors
                // to go through our handler.
                Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);

                AppDomain.CurrentDomain.UnhandledException += new System.UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
            }

            SingleInstanceController controller = new SingleInstanceController();
            controller.Run(args);
        }


        public class SingleInstanceController : WindowsFormsApplicationBase
        {
            public static ReadOnlyCollection<string> CommandLineArgs = null;

            public SingleInstanceController()
            {
                IsSingleInstance = true;

                Startup += SingleInstanceController_Startup;
                StartupNextInstance += this_StartupNextInstance;
            }

            void SingleInstanceController_Startup(object sender, StartupEventArgs e)
            {
            }

            void this_StartupNextInstance(object sender, StartupNextInstanceEventArgs e)
            {
                if (MainForm.WindowState == FormWindowState.Minimized)
                {
                    MainForm.Show();
                    MainForm.ShowInTaskbar = true;
                    MainForm.WindowState = FormWindowState.Normal;
                    // bring to front
                    MainForm.Activate();
                }
            }

            protected override void OnCreateMainForm()
            {
                MainForm = new MainForm();
            }
        }


        static void Application_ThreadException(object sender, ThreadExceptionEventArgs e)
        {
            MessageBox.Show(e.Exception.Message, "ThreadException TetraGateway. Please restart the application.");
            SafeMobileLib.Utils.WriteEventLog("TetraGateway", "ThreadException : " + e.Exception.ToString(), EventLogEntryType.Error, 401);
            // here you can log the exception ...
        }

        static void CurrentDomain_UnhandledException(object sender, System.UnhandledExceptionEventArgs e)
        {
            MessageBox.Show((e.ExceptionObject as Exception).Message, "Unhandled UI Exception TetraGateway. Please restart the application.");
            // here you can log the exception ...
            SafeMobileLib.Utils.WriteEventLog("TetraGateway", "ThreadException : " + e.ToString(), EventLogEntryType.Error, 402);
        }
    }
}