using Microsoft.Owin.Hosting;
using Step.UI;
using System.Threading;
using TeamDev.SDK.MVVM;
using Step.Config;
using static Step.Config.ServerConfig;
using static Step.Utils.StepLogger;
using static Step.Utils.Constants;
using Step.Database;
using Step.Core;
using Step.Listeners;
using System;
using Step.Utils;

namespace Step
{
    public class Application
    {

        public static readonly ManualResetEvent StopRequest = new ManualResetEvent(false);
        //Set the Mutef of GUID
        private static Mutex CmsStepMutex = new Mutex(true, "{689e76ce-b845-49f0-919c-c26491079fca}");

        public static int MessageService { get; private set; }

        public static void Main()
        {
            LogInfo("Application started");

            //Check if is already running an instance of this application
            if (!CmsStepMutex.WaitOne(TimeSpan.Zero, true))
                ExceptionManager.Manage(ERROR_LEVEL.FATAL, "Only one istance of can be executed!");

            ServerConfigController.ReadStartupConfig();

            DatabaseContext.SetUpDbConnectionAndDbConfig();

            // Start self host application 
            string configuredUri = "http://*:" + ServerStartupConfig.ServerPort.ToString();

            // Register listener to "close application" messages
            MessageServices.Current.Subscribe(SEND_STOP_SERVER, (a, b) =>
            {
                StopRequest.Set();
            });

            // Start server services
            using (WebApp.Start<Step.App_Start.Startup>(url: configuredUri))
            {
                // Start WinForm
                ServerControlWindow.Start();
                // Start Threads
                ThreadsHandler.Start();
                // Start listeners
                ListenersHandler.Start();

                // Wait interrupt from client
                StopRequest.WaitOne();
                LogInfo("Application closed");  
            }
            // Stop Threads
            ThreadsHandler.Close();
            // Stop messageservice listeners
            ListenersHandler.Stop();
            // Close WinForm
            ServerControlWindow.Stop();
        }
    }
}