Core logic ported from TS: HttpClientFactory, Environment and WebSocketHandler.

Core/WebSocketHandler.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Net.WebSockets;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using Newtonsoft.Json;
+using System.Net.Http.Headers;
+using Chtn.CSharpSDK.Interfaces;
+using Chtn.CSharp.SDK.Core;
+
+namespace Chtn.CSharpSDK.Core
+{
+    public class WebSocketHandler
+    {
+        private static WebSocketHandler _instance;
+        private ClientWebSocket _webSocket;
+        private string _connectionId;
+
+        public static WebSocketHandler GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new WebSocketHandler();
+            }
+            return _instance;
+        }
+
+        public async Task ConnectAsync(string userId, string token)
+        {
+            var client = HttpClientFactory.CreateClient();
+            client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue(token);
+
+            try
+            {
+                var response = await client.PostAsync("v2/ws/makeToken",
+                    new StringContent(JsonConvert.SerializeObject(new { userid = userId }), Encoding.UTF8, "application/json"));
+
+                var content = await response.Content.ReadAsStringAsync();
+                var authData = JsonConvert.DeserializeObject<dynamic>(content);
+
+                string wsUrl = $"{EnvironmentConfig.Get().WsUrl}/vs/ws?userid={userId}&access_token={authData.token}";
+
+                _webSocket = new ClientWebSocket();
+                await _webSocket.ConnectAsync(new Uri(wsUrl), CancellationToken.None);
+
+                Console.WriteLine("Connected to websocket successfully");
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Websocket hiba: {ex.Message}");
+            }
+        }
+    }
+}