Some code refactoring, fixed wallpaper updating

src/main/java/com/panko/apod/MainApplication.java

@@ -1,6 +1,6 @@
 package com.panko.apod;
 
-import com.panko.apod.controller.RootController;
+import com.panko.apod.controller.MainController;
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
@@ -22,14 +22,14 @@ public void start(Stage primaryStage) throws IOException {
         FXMLLoader loader = new FXMLLoader(getClass().getResource("/scene/root-scene.fxml"));
         Parent root = loader.load();
 
-        RootController rootController = loader.getController();
-        rootController.setStage(primaryStage);
+        MainController mainController = loader.getController();
+        mainController.setStage(primaryStage);
 
         primaryStage.setTitle("Astronomy picture of the day");
         primaryStage.getIcons().add(new Image(Objects.requireNonNull(getClass().getResourceAsStream("/img/logo.png"))));
         primaryStage.setScene(new Scene(root));
         primaryStage.show();
 
-        rootController.process();
+        mainController.launchMainThread();
     }
 }

src/main/java/com/panko/apod/controller/RootController.java → src/main/java/com/panko/apod/controller/MainController.java

@@ -19,7 +19,6 @@
 import javafx.scene.layout.Region;
 import javafx.scene.text.Text;
 import javafx.stage.Stage;
-//import org.json.JSONObject;
 
 import java.io.IOException;
 import java.net.http.HttpResponse;
@@ -30,7 +29,7 @@
 import static com.panko.apod.service.MainService.NASA_API_KEY;
 import static com.panko.apod.util.PreferencesManager.NUMBER_OF_ROCKET_LAUNCHES;
 
-public class RootController {
+public class MainController {
 
     private Stage primaryStage;
 
@@ -47,13 +46,13 @@ public class RootController {
     private final PreferencesManager preferencesManager = new PreferencesManager();
     private final HttpResponseHandlerService httpResponseHandlerService = new HttpResponseHandlerService();
 
-    private static final System.Logger logger = System.getLogger(RootController.class.getName());
+    private static final System.Logger logger = System.getLogger(MainController.class.getName());
 
     public void setStage(Stage stage) {
         this.primaryStage = stage;
     }
 
-    public void process() {
+    public void launchMainThread() {
         String apiKey = preferencesManager.readKey(NASA_API_KEY);
 
         if (apiKey == null || apiKey.isBlank()) {
@@ -76,7 +75,7 @@ public void process() {
             new Thread(() -> {
                 HttpResponse<String> httpResponse = apiService.sendHttpRequest(apiKey);
                 if (httpResponse != null && httpResponse.statusCode() == 200) {
-                    Picture picture = httpResponseHandlerService.handleResponse(httpResponse);
+                    Picture picture = httpResponseHandlerService.parseHttpResponseToPicture(httpResponse);
                     if (!imageSaver.savePictureToFolder(picture)) {
                         Platform.runLater(() -> {
                             showPictureSaveAlert();

src/main/java/com/panko/apod/controller/SettingsController.java

@@ -24,12 +24,12 @@ public class SettingsController implements Initializable {
     private ToggleGroup languageGroup;
 
     private Stage primaryStage;
-    private RootController rootController;
+    private MainController mainController;
 
     private final PreferencesManager preferencesManager = new PreferencesManager();
 
-    public void setRootController(RootController rootController) {
-        this.rootController = rootController;
+    public void setRootController(MainController mainController) {
+        this.mainController = mainController;
     }
 
     public void setRootStage(Stage primaryStage) {
@@ -56,7 +56,7 @@ private void saveNewApiKey() {
         preferencesManager.saveKey(PICTURES_FOLDER, selectedFolderDirectory.getText());
 //        preferencesManager.saveKey(LANGUAGE, ((RadioButton) languageGroup.getSelectedToggle()).getText());
 
-        rootController.process();
+        mainController.launchMainThread();
     }
 
     @FXML

src/main/java/com/panko/apod/service/HttpResponseHandlerService.java

@@ -9,10 +9,8 @@
 public class HttpResponseHandlerService {
     private static final System.Logger logger = System.getLogger(HttpResponseHandlerService.class.getName());
 
-    public Picture handleResponse(HttpResponse<String> response) {
-
+    public Picture parseHttpResponseToPicture(HttpResponse<String> response) {
         Picture picture = new Picture();
-
         JSONObject responseBody = new JSONObject(response.body());
 
         picture.setDate(LocalDate.parse(responseBody.getString("date")));
@@ -31,8 +29,8 @@ public Picture handleResponse(HttpResponse<String> response) {
             throw new RuntimeException("Unsupported image type: " + picture.getType());
         }
 
-        logger.log(System.Logger.Level.INFO, "Parsing result: {1}", picture);
+        logger.log(System.Logger.Level.INFO, "Parsing result: {0}", picture);
 
-        return null;
+        return picture;
     }
 }

src/main/java/com/panko/apod/service/MainService.java

@@ -14,14 +14,14 @@ public class MainService {
 
     public static final String NASA_API_KEY = "nasa.api.key";
 
-//    public void process() {
+//    public void launchMainThread() {
 //
-//        Picture picture = mainService.process();
+//        Picture picture = mainService.launchMainThread();
 //        imageDescription.setText(picture.getDescription());
 //
 //
 //        HttpResponse<String> httpResponse = apiService.sendHttpRequest(key);
-//        Picture picture = responseHandlerService.handleResponse(httpResponse);
+//        Picture picture = responseHandlerService.parseHttpResponseToPicture(httpResponse);
 //        imageWriterService.writePictureToFolder(picture);
 //        WallpaperChangerService.setScreenImage(picture);
 //
@@ -31,7 +31,7 @@ public class MainService {
 //    public void test() {
 //        String key = apiKeyService.readKey(NASA_API_KEY);
 //        HttpResponse<String> httpResponse = apiService.sendHttpRequest(key);
-//        Picture picture = responseHandlerService.handleResponse(httpResponse);
+//        Picture picture = responseHandlerService.parseHttpResponseToPicture(httpResponse);
 //        imageWriterService.writePictureToFolder(picture);
 //        WallpaperChangerService.setScreenImage(picture);
 //

src/main/java/com/panko/apod/util/WallpaperChanger.java

@@ -13,6 +13,6 @@ private interface User32 extends Library {
     }
 
     public static void setScreenImage(Picture picture) {
-
+        User32.INSTANCE.SystemParametersInfo(0x0014, 0, picture.getLocalPath(), 1);
     }
 }

src/main/resources/scene/bottom-pane.fxml

@@ -5,7 +5,7 @@
 <?import javafx.scene.layout.HBox?>
 
 <HBox alignment="CENTER_RIGHT" xmlns="http://javafx.com/javafx/11" xmlns:fx="http://javafx.com/fxml/1"
-      fx:controller="com.panko.apod.controller.RootController">
+      fx:controller="com.panko.apod.controller.MainController">
 
     <Button mnemonicParsing="false" onAction="#loadKeyInputSceneFXML" opacity="0.5"
             style="-fx-background-color: transparent;" text="Settings">

src/main/resources/scene/root-scene.fxml

@@ -9,7 +9,7 @@
 
 <BorderPane fx:id="rootContainer" maxHeight="400.0" maxWidth="500.0" prefHeight="380.0" prefWidth="470.0"
             xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1"
-            fx:controller="com.panko.apod.controller.RootController">
+            fx:controller="com.panko.apod.controller.MainController">
     <bottom>
         <HBox prefHeight="26.0" prefWidth="250.0">
             <HBox alignment="CENTER_LEFT">