fix: Fix resetting languageIndex to 0

src/main/java/de/hda/atm/ATMInterfaceHandler.java

@@ -21,7 +21,7 @@ public class ATMInterfaceHandler implements de.hda.ATMInterfaceHandler {
         for (Language language : config.languages()) {
             System.out.println("Supported:\t" + language.name());
         }
-        System.out.println("Default:\t" + config.languages().get(languageIndex.value()));
+        System.out.println("Default:\t" + config.languages().get(languageIndex.value()).name());
         System.out.println("*******************");
         while (true) {
             Snippets snippets = this.snippetsByLanguageCodeLoader.load(config, languageIndex);
@@ -30,18 +30,18 @@ public class ATMInterfaceHandler implements de.hda.ATMInterfaceHandler {
             Scanner toggleLanguageScanner = new Scanner(System.in);
             String pressedKey = toggleLanguageScanner.next();
 
-            if (pressedKey.equals(config.languages().get(languageIndex.value()).keyToToggle())) {
-                languageIndex = languageIndex.increment();
+            if (!pressedKey.equals(config.languages().get(languageIndex.value()).keyToToggle()) &&
+                    !pressedKey.equals(config.languages().get(languageIndex.value()).keyToExit())) {
+                System.out.println(snippets.invalidChoiceText().replace("${sign}", pressedKey));
             }
             if (pressedKey.equals(config.languages().get(languageIndex.value()).keyToExit())) {
                 break;
             }
-            if (!pressedKey.equals(config.languages().get(languageIndex.value()).keyToToggle()) &&
-                    !pressedKey.equals(config.languages().get(languageIndex.value()).keyToExit())) {
-                System.out.println(snippets.invalidChoiceText().replace("${sign}", pressedKey));
+            if (pressedKey.equals(config.languages().get(languageIndex.value()).keyToToggle())) {
+                languageIndex = languageIndex.increment();
             }
 
-            if (languageIndex.value() == config.languages().size() - 1) {
+            if (languageIndex.value() >= config.languages().size()) {
                 languageIndex = languageIndex.reset();
             }
         }