From 580a77367bc4f7a0f81730af3819586c57a6022c Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Wed, 5 Nov 2025 17:18:46 +0100
Subject: [PATCH 01/17] update gitignore

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index 6ac465db..244268f9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 target/
 /.idea/
+.env

From 355bd72ec95a5ffc309250fd2136122a72e40ccf Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:05:23 +0100
Subject: [PATCH 02/17] adds button and listview in gui

---
 .../resources/com/example/hello-view.fxml     | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/main/resources/com/example/hello-view.fxml b/src/main/resources/com/example/hello-view.fxml
index 20a7dc82..025cc6a8 100644
--- a/src/main/resources/com/example/hello-view.fxml
+++ b/src/main/resources/com/example/hello-view.fxml
@@ -1,9 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<?import javafx.scene.layout.StackPane?>
-<?import javafx.scene.control.Label?>
-
-<StackPane xmlns="http://javafx.com/javafx" xmlns:fx="http://javafx.com/fxml" fx:controller="com.example.HelloController">
-    <children>
-        <Label fx:id="messageLabel" text="Hello, JavaFX!" />
-    </children>
-</StackPane>
+
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+
+<VBox alignment="CENTER" xmlns="http://javafx.com/javafx/17.0.12" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.example.HelloController">
+
+    <Label fx:id="messageLabel" text="Adams Chat Client" />
+    <Button onAction="#sendMessage" prefHeight="25.0" prefWidth="115.0" text="Send message" />
+    <ListView fx:id="messageView" />
+
+</VBox>

From dc4902f4a985f54ebaac27e814ce3440de07d627 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:05:56 +0100
Subject: [PATCH 03/17] adds requirements to module-info

---
 src/main/java/module-info.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 71574a27..89e041cb 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -1,6 +1,10 @@
 module hellofx {
     requires javafx.controls;
     requires javafx.fxml;
+    requires io.github.cdimascio.dotenv.java;
+    requires java.net.http;
+    requires tools.jackson.databind;
+    requires javafx.graphics;
 
     opens com.example to javafx.fxml;
     exports com.example;

From c40b8813dcf847349603c6de25fb34f61aa4c410 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:06:14 +0100
Subject: [PATCH 04/17] adds singleton

---
 src/main/java/com/example/Singelton.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 src/main/java/com/example/Singelton.java

diff --git a/src/main/java/com/example/Singelton.java b/src/main/java/com/example/Singelton.java
new file mode 100644
index 00000000..3addf1e0
--- /dev/null
+++ b/src/main/java/com/example/Singelton.java
@@ -0,0 +1,13 @@
+package com.example;
+
+public class Singelton {
+    private final static Singelton instance = new Singelton();
+
+    private Singelton() {
+
+    }
+
+    public static Singelton getInstance() {
+        return instance;
+    }
+}

From fbe851218e5f58688a76717c3cf1e5afeb7606d1 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:07:24 +0100
Subject: [PATCH 05/17] Adds DI and tests

---
 .../java/com/example/HelloController.java     | 11 +++-
 src/main/java/com/example/HelloModel.java     | 59 +++++++++++++++++-
 src/main/java/com/example/NtfyConnection.java |  9 +++
 .../java/com/example/NtfyConnectionImpl.java  | 61 +++++++++++++++++++
 src/test/java/com/example/HelloModelTest.java | 27 ++++++++
 .../java/com/example/NtfyConnectionSpy.java   | 18 ++++++
 6 files changed, 181 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/com/example/NtfyConnection.java
 create mode 100644 src/main/java/com/example/NtfyConnectionImpl.java
 create mode 100644 src/test/java/com/example/HelloModelTest.java
 create mode 100644 src/test/java/com/example/NtfyConnectionSpy.java

diff --git a/src/main/java/com/example/HelloController.java b/src/main/java/com/example/HelloController.java
index fdd160a0..fd90e95e 100644
--- a/src/main/java/com/example/HelloController.java
+++ b/src/main/java/com/example/HelloController.java
@@ -1,14 +1,17 @@
 package com.example;
 
+import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
+import javafx.scene.control.ListView;
 
 /**
  * Controller layer: mediates between the view (FXML) and the model.
  */
 public class HelloController {
 
-    private final HelloModel model = new HelloModel();
+    private final HelloModel model = new HelloModel(null);
+    public ListView<NtfyMessageDto> messageView;
 
     @FXML
     private Label messageLabel;
@@ -18,5 +21,11 @@ private void initialize() {
         if (messageLabel != null) {
             messageLabel.setText(model.getGreeting());
         }
+        messageView.setItems(model.getMessages());
+
+    }
+
+    public void sendMessage(ActionEvent actionEvent) {
+        model.sendMessage();
     }
 }
diff --git a/src/main/java/com/example/HelloModel.java b/src/main/java/com/example/HelloModel.java
index 385cfd10..3a272b1e 100644
--- a/src/main/java/com/example/HelloModel.java
+++ b/src/main/java/com/example/HelloModel.java
@@ -1,15 +1,68 @@
 package com.example;
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import io.github.cdimascio.dotenv.Dotenv;
+import javafx.application.Platform;
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import tools.jackson.databind.ObjectMapper;
+import tools.jackson.databind.exc.IgnoredPropertyException;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.ArrayList;
+import java.util.Objects;
+
 /**
  * Model layer: encapsulates application data and business logic.
  */
 public class HelloModel {
+
+     private final NtfyConnection connection;
+
+     private final ObservableList<NtfyMessageDto> messages = FXCollections.observableArrayList();
+     private final StringProperty messageToSend = new SimpleStringProperty();
+
+     public HelloModel(NtfyConnection connection) {
+         receiveMessage();
+         this.connection = connection;
+     }
+
+
+    public ObservableList<NtfyMessageDto> getMessages() {
+        return messages;
+    }
+
+    public String getMessageToSend() {
+        return messageToSend.get();
+    }
+
+    public StringProperty messageToSendProperty() {
+        return messageToSend;
+    }
+
+    public void setMessageToSend(String message) {
+         messageToSend.set(message);
+    }
+
     /**
      * Returns a greeting based on the current Java and JavaFX versions.
      */
     public String getGreeting() {
-        String javaVersion = System.getProperty("java.version");
-        String javafxVersion = System.getProperty("javafx.version");
-        return "Hello, JavaFX " + javafxVersion + ", running on Java " + javaVersion + ".";
+        return "Chat Client by Adam";
+    }
+
+    public void sendMessage() {
+        connection.send(messageToSend.get());
+
+    }
+
+    public void receiveMessage() {
+        connection.receive(m->Platform.runLater(()->messages.add(m)));
     }
 }
diff --git a/src/main/java/com/example/NtfyConnection.java b/src/main/java/com/example/NtfyConnection.java
new file mode 100644
index 00000000..c239f3ab
--- /dev/null
+++ b/src/main/java/com/example/NtfyConnection.java
@@ -0,0 +1,9 @@
+package com.example;
+
+import java.util.function.Consumer;
+
+public interface NtfyConnection {
+    public boolean send(String message);
+
+    public void receive(Consumer<NtfyMessageDto> messageHandler);
+}
diff --git a/src/main/java/com/example/NtfyConnectionImpl.java b/src/main/java/com/example/NtfyConnectionImpl.java
new file mode 100644
index 00000000..c82fd5df
--- /dev/null
+++ b/src/main/java/com/example/NtfyConnectionImpl.java
@@ -0,0 +1,61 @@
+package com.example;
+
+import io.github.cdimascio.dotenv.Dotenv;
+import javafx.application.Platform;
+import tools.jackson.databind.ObjectMapper;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.Objects;
+import java.util.function.Consumer;
+
+public class NtfyConnectionImpl implements NtfyConnection {
+
+    private final HttpClient http = HttpClient.newHttpClient();
+    private final String hostName;
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    NtfyConnectionImpl(){
+        Dotenv dotenv = Dotenv.load();
+        hostName = Objects.requireNonNull(dotenv.get("HOST_NAME"));
+    }
+
+    @Override
+    public boolean send(String message) {
+                HttpRequest httpRequest = HttpRequest.newBuilder()
+                .POST(HttpRequest.BodyPublishers.ofString("Tjena"))
+                .uri(URI.create(hostName + "/mytopic"))
+                .build();
+        try {
+            // TODO: handle long blocking send requests to not freeze the JavaFX thread
+            // 1. Use thread send message?
+            // 2. Use async?
+            var response = http.send(httpRequest, HttpResponse.BodyHandlers.ofString());
+            return true;
+        } catch (IOException e) {
+            System.out.println("Error sending message");
+        } catch (InterruptedException e) {
+            System.out.println("Interrupted sending message");
+        }
+        return false;
+    }
+
+    @Override
+    public void receive(Consumer<NtfyMessageDto> messageHandler) {
+        HttpRequest httpRequest = HttpRequest.newBuilder()
+                .GET()
+                .uri(URI.create(hostName + "/mytopic/json?since=wBuD2KGEaAe0"))
+                .build();
+
+        http.sendAsync(httpRequest, HttpResponse.BodyHandlers.ofLines())
+                .thenAccept(response -> response.body()
+                        .map(s->
+                                mapper.readValue(s, NtfyMessageDto.class))
+                        .filter(message -> message.event().equals("message"))
+                        .peek(System.out::println)
+                        .forEach(messageHandler));
+    }
+}
diff --git a/src/test/java/com/example/HelloModelTest.java b/src/test/java/com/example/HelloModelTest.java
new file mode 100644
index 00000000..80f6daf1
--- /dev/null
+++ b/src/test/java/com/example/HelloModelTest.java
@@ -0,0 +1,27 @@
+package com.example;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.*;
+
+class HelloModelTest {
+
+    @Test
+    @DisplayName("Given a model with messageToSend when calling sendMessage then send method on connection should be called ")
+    void sendMessageCallsConnectionWithMessageToSend() {
+
+        // Arrange Given
+        var spy = new NtfyConnectionSpy();
+        var model = new HelloModel(spy);
+        model.setMessageToSend("Hello World");
+
+        // Act When
+        model.sendMessage();
+
+        // Assert Then
+        assertThat(spy.message).isEqualTo("Hello World");
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/java/com/example/NtfyConnectionSpy.java b/src/test/java/com/example/NtfyConnectionSpy.java
new file mode 100644
index 00000000..eac8d7f0
--- /dev/null
+++ b/src/test/java/com/example/NtfyConnectionSpy.java
@@ -0,0 +1,18 @@
+package com.example;
+
+import java.util.function.Consumer;
+
+public class NtfyConnectionSpy implements NtfyConnection {
+
+    String message;
+    @Override
+    public boolean send(String message) {
+        this.message = message;
+        return true;
+    }
+
+    @Override
+    public void receive(Consumer<NtfyMessageDto> messageHandler) {
+
+    }
+}

From a87220bb34e157103039ff2eb1e613a9e7ab2351 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:07:52 +0100
Subject: [PATCH 06/17] updates program title

---
 src/main/java/com/example/HelloFX.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/example/HelloFX.java b/src/main/java/com/example/HelloFX.java
index 96bdc5ca..1e151903 100644
--- a/src/main/java/com/example/HelloFX.java
+++ b/src/main/java/com/example/HelloFX.java
@@ -1,5 +1,6 @@
 package com.example;
 
+import io.github.cdimascio.dotenv.Dotenv;
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
@@ -13,7 +14,7 @@ public void start(Stage stage) throws Exception {
         FXMLLoader fxmlLoader = new FXMLLoader(HelloFX.class.getResource("hello-view.fxml"));
         Parent root = fxmlLoader.load();
         Scene scene = new Scene(root, 640, 480);
-        stage.setTitle("Hello MVC");
+        stage.setTitle("Chatt Client");
         stage.setScene(scene);
         stage.show();
     }

From b2c4ba854657091becbbe1fc6344ce9ad9246bbf Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:08:38 +0100
Subject: [PATCH 07/17] adds a NtfyMessageDto as a record

---
 src/main/java/com/example/NtfyMessageDto.java | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 src/main/java/com/example/NtfyMessageDto.java

diff --git a/src/main/java/com/example/NtfyMessageDto.java b/src/main/java/com/example/NtfyMessageDto.java
new file mode 100644
index 00000000..ba65d213
--- /dev/null
+++ b/src/main/java/com/example/NtfyMessageDto.java
@@ -0,0 +1,6 @@
+package com.example;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public record NtfyMessageDto(String id, long time, String event, String topic, String message) {}

From 24a48b9cb43026f16e907e85a633a4f6d7c3dcf4 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:09:14 +0100
Subject: [PATCH 08/17] adds ManyParameter class and ManyParametersBuilder

---
 src/main/java/com/example/ManyParameters.java | 17 +++++++++
 .../com/example/ManyParametersBuilder.java    | 38 +++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 src/main/java/com/example/ManyParameters.java
 create mode 100644 src/main/java/com/example/ManyParametersBuilder.java

diff --git a/src/main/java/com/example/ManyParameters.java b/src/main/java/com/example/ManyParameters.java
new file mode 100644
index 00000000..0610fba7
--- /dev/null
+++ b/src/main/java/com/example/ManyParameters.java
@@ -0,0 +1,17 @@
+package com.example;
+
+public class ManyParameters {
+
+    public ManyParameters(String computerName, int timeout, String method, int size, byte[] data){
+
+    }
+
+    static void main(){
+        ManyParametersBuilder builder = new ManyParametersBuilder();
+        builder
+                .setComputerName("localhost") // Fluent API
+                .setTimeout(10)
+                .setSize(0)
+                .createManyParameters();
+    }
+}
diff --git a/src/main/java/com/example/ManyParametersBuilder.java b/src/main/java/com/example/ManyParametersBuilder.java
new file mode 100644
index 00000000..fd49920d
--- /dev/null
+++ b/src/main/java/com/example/ManyParametersBuilder.java
@@ -0,0 +1,38 @@
+package com.example;
+
+public class ManyParametersBuilder {
+    private String computerName;
+    private int timeout = 0;
+    private String method;
+    private int size = 0;
+    private byte[] data = null;
+
+    public ManyParametersBuilder setComputerName(String computerName) {
+        this.computerName = computerName;
+        return this;
+    }
+
+    public ManyParametersBuilder setTimeout(int timeout) {
+        this.timeout = timeout;
+        return this;
+    }
+
+    public ManyParametersBuilder setMethod(String method) {
+        this.method = method;
+        return this;
+    }
+
+    public ManyParametersBuilder setSize(int size) {
+        this.size = size;
+        return this;
+    }
+
+    public ManyParametersBuilder setData(byte[] data) {
+        this.data = data;
+        return this;
+    }
+
+    public ManyParameters createManyParameters() {
+        return new ManyParameters(computerName, timeout, method, size, data);
+    }
+}
\ No newline at end of file

From 0be71a48b41bd9e851c6fab9b37c5ab5ca6fd679 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:09:31 +0100
Subject: [PATCH 09/17] adds dependency

---
 pom.xml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pom.xml b/pom.xml
index c40f667e..89d9a6e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,6 +45,16 @@
             <artifactId>javafx-fxml</artifactId>
             <version>${javafx.version}</version>
         </dependency>
+        <dependency>
+            <groupId>tools.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>3.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>io.github.cdimascio</groupId>
+            <artifactId>dotenv-java</artifactId>
+            <version>3.2.0</version>
+        </dependency>
     </dependencies>
     <build>
         <plugins>

From 2277cc92ba31b9605c50454c0452083eb6581dc2 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:16:26 +0100
Subject: [PATCH 10/17] updates gitignore

---
 .gitignore | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitignore b/.gitignore
index 244268f9..5de38872 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 target/
 /.idea/
 .env
+package-lock.json

From 160076d98203ed21eb373a7ea074968b084e0c00 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:17:42 +0100
Subject: [PATCH 11/17] clean up code

---
 src/main/java/com/example/HelloController.java    |  1 -
 src/main/java/com/example/HelloFX.java            |  2 --
 src/main/java/com/example/HelloModel.java         | 12 ------------
 src/main/java/com/example/NtfyConnectionImpl.java |  3 ---
 src/test/java/com/example/HelloModelTest.java     |  3 +--
 5 files changed, 1 insertion(+), 20 deletions(-)

diff --git a/src/main/java/com/example/HelloController.java b/src/main/java/com/example/HelloController.java
index fd90e95e..2c7da2bd 100644
--- a/src/main/java/com/example/HelloController.java
+++ b/src/main/java/com/example/HelloController.java
@@ -1,5 +1,4 @@
 package com.example;
-
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
diff --git a/src/main/java/com/example/HelloFX.java b/src/main/java/com/example/HelloFX.java
index 1e151903..b5001ada 100644
--- a/src/main/java/com/example/HelloFX.java
+++ b/src/main/java/com/example/HelloFX.java
@@ -1,6 +1,4 @@
 package com.example;
-
-import io.github.cdimascio.dotenv.Dotenv;
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
diff --git a/src/main/java/com/example/HelloModel.java b/src/main/java/com/example/HelloModel.java
index 3a272b1e..c7147f5c 100644
--- a/src/main/java/com/example/HelloModel.java
+++ b/src/main/java/com/example/HelloModel.java
@@ -1,22 +1,10 @@
 package com.example;
-
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import io.github.cdimascio.dotenv.Dotenv;
 import javafx.application.Platform;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
-import tools.jackson.databind.ObjectMapper;
-import tools.jackson.databind.exc.IgnoredPropertyException;
 
-import java.io.IOException;
-import java.net.URI;
-import java.net.http.HttpClient;
-import java.net.http.HttpRequest;
-import java.net.http.HttpResponse;
-import java.util.ArrayList;
-import java.util.Objects;
 
 /**
  * Model layer: encapsulates application data and business logic.
diff --git a/src/main/java/com/example/NtfyConnectionImpl.java b/src/main/java/com/example/NtfyConnectionImpl.java
index c82fd5df..19d9c8f6 100644
--- a/src/main/java/com/example/NtfyConnectionImpl.java
+++ b/src/main/java/com/example/NtfyConnectionImpl.java
@@ -1,9 +1,6 @@
 package com.example;
-
 import io.github.cdimascio.dotenv.Dotenv;
-import javafx.application.Platform;
 import tools.jackson.databind.ObjectMapper;
-
 import java.io.IOException;
 import java.net.URI;
 import java.net.http.HttpClient;
diff --git a/src/test/java/com/example/HelloModelTest.java b/src/test/java/com/example/HelloModelTest.java
index 80f6daf1..0087d4a3 100644
--- a/src/test/java/com/example/HelloModelTest.java
+++ b/src/test/java/com/example/HelloModelTest.java
@@ -2,9 +2,8 @@
 
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
-
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.jupiter.api.Assertions.*;
+
 
 class HelloModelTest {
 

From 0784bee1c205f544f035d518dc4273bbd1804113 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 20:24:24 +0100
Subject: [PATCH 12/17] fix null pointer exceptions

---
 src/main/java/com/example/HelloController.java | 2 +-
 src/main/java/com/example/HelloModel.java      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/example/HelloController.java b/src/main/java/com/example/HelloController.java
index 2c7da2bd..7d023ddd 100644
--- a/src/main/java/com/example/HelloController.java
+++ b/src/main/java/com/example/HelloController.java
@@ -9,7 +9,7 @@
  */
 public class HelloController {
 
-    private final HelloModel model = new HelloModel(null);
+    private final HelloModel model = new HelloModel(new NtfyConnectionImpl());
     public ListView<NtfyMessageDto> messageView;
 
     @FXML
diff --git a/src/main/java/com/example/HelloModel.java b/src/main/java/com/example/HelloModel.java
index c7147f5c..1bc34ced 100644
--- a/src/main/java/com/example/HelloModel.java
+++ b/src/main/java/com/example/HelloModel.java
@@ -17,8 +17,8 @@ public class HelloModel {
      private final StringProperty messageToSend = new SimpleStringProperty();
 
      public HelloModel(NtfyConnection connection) {
-         receiveMessage();
          this.connection = connection;
+         receiveMessage();
      }
 
 

From f79e183ff6bd049ce667b7eb0fcbbe35c17cf3f5 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 21:13:44 +0100
Subject: [PATCH 13/17] adds dependency for wiremock

---
 pom.xml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pom.xml b/pom.xml
index 89d9a6e6..1d04e97f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -55,6 +55,12 @@
             <artifactId>dotenv-java</artifactId>
             <version>3.2.0</version>
         </dependency>
+        <dependency>
+            <groupId>org.wiremock</groupId>
+            <artifactId>wiremock</artifactId>
+            <version>4.0.0-beta.15</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
     <build>
         <plugins>

From 5f17e8b522553bd2f51acb2c92220dea19521af8 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 21:14:04 +0100
Subject: [PATCH 14/17] fix code

---
 src/main/java/com/example/HelloModel.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/example/HelloModel.java b/src/main/java/com/example/HelloModel.java
index 1bc34ced..2b8746fa 100644
--- a/src/main/java/com/example/HelloModel.java
+++ b/src/main/java/com/example/HelloModel.java
@@ -23,15 +23,15 @@ public HelloModel(NtfyConnection connection) {
 
 
     public ObservableList<NtfyMessageDto> getMessages() {
-        return messages;
+         return messages;
     }
 
     public String getMessageToSend() {
-        return messageToSend.get();
+         return messageToSend.get();
     }
 
     public StringProperty messageToSendProperty() {
-        return messageToSend;
+         return messageToSend;
     }
 
     public void setMessageToSend(String message) {

From e182c0bbee8ae4b0437db5eab5b4ba948b1d2948 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 21:14:30 +0100
Subject: [PATCH 15/17] setup wire mock and adds new test
 sendMessageToFakeServer

---
 src/test/java/com/example/HelloModelTest.java | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/test/java/com/example/HelloModelTest.java b/src/test/java/com/example/HelloModelTest.java
index 0087d4a3..aaf7a8aa 100644
--- a/src/test/java/com/example/HelloModelTest.java
+++ b/src/test/java/com/example/HelloModelTest.java
@@ -1,10 +1,15 @@
 package com.example;
 
+import com.github.tomakehurst.wiremock.client.WireMock;
+import com.github.tomakehurst.wiremock.junit5.WireMockRuntimeInfo;
+import com.github.tomakehurst.wiremock.junit5.WireMockTest;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
-import static org.assertj.core.api.Assertions.assertThat;
 
+import static com.github.tomakehurst.wiremock.client.WireMock.*;
+import static org.assertj.core.api.Assertions.assertThat;
 
+@WireMockTest
 class HelloModelTest {
 
     @Test
@@ -23,4 +28,18 @@ void sendMessageCallsConnectionWithMessageToSend() {
         assertThat(spy.message).isEqualTo("Hello World");
     }
 
+    @Test
+    void sendMessageToFakeServer(WireMockRuntimeInfo wmRuntimeInfo) {
+        var con = new NtfyConnectionImpl("http://localhost:" + wmRuntimeInfo.getHttpPort());
+        var model = new HelloModel(con);
+        model.setMessageToSend("Hello World");
+        stubFor(post("/mytopic").willReturn(ok()));
+
+        model.sendMessage();
+
+        // Verify call made to server
+        verify(postRequestedFor(urlEqualTo("/mytopic"))
+                .withRequestBody(matching("Hello World")));
+    }
+
 }
\ No newline at end of file

From 06d034f4b54eaf5673795473bf31ac87c0108dfd Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Thu, 6 Nov 2025 21:14:53 +0100
Subject: [PATCH 16/17] adds a new constructor

---
 src/main/java/com/example/NtfyConnectionImpl.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/example/NtfyConnectionImpl.java b/src/main/java/com/example/NtfyConnectionImpl.java
index 19d9c8f6..b89635d5 100644
--- a/src/main/java/com/example/NtfyConnectionImpl.java
+++ b/src/main/java/com/example/NtfyConnectionImpl.java
@@ -20,10 +20,14 @@ public class NtfyConnectionImpl implements NtfyConnection {
         hostName = Objects.requireNonNull(dotenv.get("HOST_NAME"));
     }
 
+    public NtfyConnectionImpl(String hostName){
+        this.hostName = hostName;
+    }
+
     @Override
     public boolean send(String message) {
                 HttpRequest httpRequest = HttpRequest.newBuilder()
-                .POST(HttpRequest.BodyPublishers.ofString("Tjena"))
+                .POST(HttpRequest.BodyPublishers.ofString(message))
                 .uri(URI.create(hostName + "/mytopic"))
                 .build();
         try {

From a882f7f0a87b5e0eb6160c90ef03093c2820f5f1 Mon Sep 17 00:00:00 2001
From: Adam Ottosson <addeecsgo@gmail.com>
Date: Sat, 8 Nov 2025 21:49:44 +0100
Subject: [PATCH 17/17] remove spaces

---
 src/main/java/com/example/HelloModel.java | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/main/java/com/example/HelloModel.java b/src/main/java/com/example/HelloModel.java
index 2b8746fa..e5328798 100644
--- a/src/main/java/com/example/HelloModel.java
+++ b/src/main/java/com/example/HelloModel.java
@@ -21,7 +21,6 @@ public HelloModel(NtfyConnection connection) {
          receiveMessage();
      }
 
-
     public ObservableList<NtfyMessageDto> getMessages() {
          return messages;
     }