From 3b2b75df537a9070c942d155b2507036708e98d7 Mon Sep 17 00:00:00 2001
From: Patrick Hellebrand <HPL2FE@FEBO-C-0003M>
Date: Wed, 22 Sep 2021 14:57:36 +0200
Subject: [PATCH] SendMessage is now Json

---
 PolyChat/Controller.cs        | 12 +++++++++---
 PolyChat/MainPage.xaml.cs     | 17 +++++++++++------
 PolyChat/Models/Connection.cs |  2 +-
 3 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/PolyChat/Controller.cs b/PolyChat/Controller.cs
index 48dd274..33d29dc 100644
--- a/PolyChat/Controller.cs
+++ b/PolyChat/Controller.cs
@@ -5,6 +5,7 @@ using System.Net;
 using SocketIOSharp.Server;
 using SocketIOSharp.Server.Client;
 using PolyChat.Models;
+using System.Text.Json;
 
 namespace PolyChat
 {
@@ -50,20 +51,24 @@ namespace PolyChat
             {
                 Debug.WriteLine("--- Client connected! ---");
                 // setup event listeners
-                socket.On("initial", (JToken[] data) =>
+                socket.On("initial", async (JToken[] data) =>
                 {
                     Debug.WriteLine("--- initial packet received ---");
                     string ForeignIp = data.ToString();
                     //Todo deserialize inital packet and extract ip address
                     Connections.Add(ForeignIp, new Connection(socket, Data => OnMessage(Data)));
+                    UIController.OnIncomingConnection(ForeignIp);
                 });
             });
         }
 
-        public void SendMessage(string ip, string message)
+        public void SendMessage(string ip, string type, string content)
         {
             Debug.WriteLine("--- Controller.SendMessage ---");
-            Connections[ip].SendMessage(message);
+            Debug.WriteLine($"{type} -> {ip} content: {content}");
+            string json = $"{{ type: {type}, content: {content} }}";
+            Debug.WriteLine($"json: {json}");
+            Connections[ip].SendMessage(json);
         }
 
         private void OnMessage(JToken[] data)
@@ -72,6 +77,7 @@ namespace PolyChat
             if (data != null && data.Length > 0 && data[0] != null)
             {
                 Debug.WriteLine("Message: " + data[0]);
+                Debug.WriteLine($"DATA: {data[0].ToString()}");
             }
             else Debug.WriteLine("Undefined: " + data);
         }
diff --git a/PolyChat/MainPage.xaml.cs b/PolyChat/MainPage.xaml.cs
index 67f6688..8f51424 100644
--- a/PolyChat/MainPage.xaml.cs
+++ b/PolyChat/MainPage.xaml.cs
@@ -5,6 +5,7 @@ using System;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Threading.Tasks;
+using Windows.UI.Core;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
 
@@ -51,7 +52,7 @@ namespace PolyChat
         public void OnSendMessage(object sender = null, RoutedEventArgs e = null)
         {
             selectedPartner.AddMessage(new ChatMessage(username, "message" , inputSend.Text));
-            Controller.SendMessage(selectedPartner.Code, inputSend.Text);
+            Controller.SendMessage(selectedPartner.Code, "message", inputSend.Text);
             // clear input
             inputSend.Text = "";
         }
@@ -89,12 +90,16 @@ namespace PolyChat
         /// Adds a new ChatPartner to the UI with default Name.
         /// </summary>
         /// <param name="ip">IP Adress, gets shown as Util.IP > Code</param>
-        public void OnIncomingConnection(string ip)
+        public async void OnIncomingConnection(string ip)
         {
-            Partners.Add(new ChatPartner(
-                "Connecting...",
-                ip
-            ));
+            await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
+            {
+                Partners.Add(new ChatPartner(
+                    "Connecting...",
+                    ip
+                ));
+                updateNoChatsPlaceholder();
+            });
         }
         /// <summary>
         /// Adds an message to the UI, based on .sender if known
diff --git a/PolyChat/Models/Connection.cs b/PolyChat/Models/Connection.cs
index f214739..6700330 100644
--- a/PolyChat/Models/Connection.cs
+++ b/PolyChat/Models/Connection.cs
@@ -35,7 +35,7 @@ namespace PolyChat.Models
             Socket = socket;
             Socket.On(SocketIOEvent.DISCONNECT, OnDisconnect);
             Socket.On(SocketIOEvent.ERROR, (JToken[] Data) => OnError(Data));
-            Socket.On("message", (Action<JToken[]>)onMessage);
+            Socket.On("message", (Action<JToken[]>) onMessage);
 
             //we are connected if we got here, inital packet was already received
             Connected = true;