// Copyright (c) 2012-2020 fo-dicom contributors.
// Licensed under the Microsoft Public License (MS-PL).

using Dicom.Network;
using System;
using System.Collections.Generic;
using System.Threading;
using Worklist_SCP.Model;

namespace Worklist_SCP
{
   public class WorklistServer
   {

      private static IDicomServer _server;
      private static Timer _itemsLoaderTimer;


      protected WorklistServer()
      {
      }

      public static string AETitle { get; set; }


      public static IWorklistItemsSource CreateItemsSourceService => new WorklistItemsProvider();

      public static List<WorklistItem> CurrentWorklistItems { get; private set; }

      public static void Start(int port, string aet)
      {
         AETitle = aet;
          
            NetworkManager.SetImplementation(new DesktopNetworkManager());
            Dicom.IO.IOManager.SetImplementation(new Dicom.IO.DesktopIOManager());
            _server = DicomServer.Create<WorklistService>("0.0.0.0", port);
         // every 30 seconds the worklist source is queried and the current list of items is cached in _currentWorklistItems
         _itemsLoaderTimer = new Timer((state) =>
         {
            var newWorklistItems = CreateItemsSourceService.GetAllCurrentWorklistItems();
            CurrentWorklistItems = newWorklistItems;
         }, null, TimeSpan.Zero, TimeSpan.FromSeconds(30));
      }


      public static void Stop()
      {
         _itemsLoaderTimer?.Dispose();
         _server.Dispose();
      }


   }
}