refactor SDK to stateful architecture and implement reactive websocket handling

Services/BroadcastChannelService.cs

@@ -2,6 +2,7 @@
 using System.Threading.Tasks;
 using Chtn.CSharp.SDK.Core;
 using Chtn.CSharp.SDK.Models.Call;
+using Chtn.CSharpSDK.Core;
 
 namespace Chtn.CSharp.SDK.Services
 {
@@ -15,10 +16,28 @@ namespace Chtn.CSharp.SDK.Services
     public class BroadcastServiceProvider : IBroadcastService
     {
         private readonly ApiClient _apiClient;
+        private readonly string _channelId;
+        private readonly string _categoryId;
+        private readonly string _networkId;
+        private readonly string _userId;
+        private string _connId;
 
-        public BroadcastServiceProvider(ApiClient apiClient)
+        public BroadcastServiceProvider(
+            ApiClient apiClient,
+            string channelId,
+            string categoryId,
+            string networkId,
+            string userId)
         {
             _apiClient = apiClient ?? throw new ArgumentNullException(nameof(apiClient));
+            _channelId = channelId;
+            _categoryId = categoryId;
+            _networkId = networkId;
+            _userId = userId;
+
+            var ws = WebSocketHandler.GetInstance();
+            this._connId = ws.ConnId;
+            ws.OnNewConnectionId += (newConnId) => this._connId = newConnId;
         }
 
         public async Task<StreamRegistry> GetData(GetRtmpDataReq req) =>