using System;
using System.Diagnostics;
using System.ServiceProcess;
using System.Threading;
using Microsoft.Owin.Hosting;

namespace WindowsDataCenter
{
    public partial class DataCenterService: ServiceBase
    {
        public DataCenterService()
        {
            InitializeComponent();
        }

        private IDisposable _webApp;
        private bool _stopMainWorkerThread;
        private Thread _mainWorkerThread;
        
        public void Start()
        {
            OnStart(new string[] {});
        }

        public void Stop()
        {
            OnStop();
        }

        protected override void OnStart(string[] args)
        {
            //Initialise the Ninject system.
            var ninjectInstance = NinjectHelper.GetInstance();

            _mainWorkerThread = new Thread(MainWorkerThread)
            {
                IsBackground = false,
                Name = "OWIN SELF HOST MAIN THREAD"
            };
            //TODO: use app.config for endpoint config.
            try
            {
                _webApp = WebApp.Start<StartOwin>("http://*:8800");
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex);
                throw;
            }
        }

        protected override void OnStop()
        {
            _webApp.Dispose();
            _stopMainWorkerThread = true;
            if (_mainWorkerThread != null && _mainWorkerThread.IsAlive)
            {
                _mainWorkerThread.Join(2000);
                if (_mainWorkerThread.IsAlive)
                {
                    _mainWorkerThread.Interrupt();
                }
            }
        }

        private void MainWorkerThread()
        {
            while (!_stopMainWorkerThread)
            {
                Thread.Sleep(2000);
            }
        }
    }
}