Complete assignmnet

src/main/java/workshop/Controller.java

@@ -1,6 +1,7 @@
 package workshop;
 
 import javafx.fxml.FXML;
+import javafx.scene.control.Alert;
 import javafx.scene.control.Label;
 import javafx.scene.control.Button;
 
@@ -15,25 +16,44 @@ public class Controller {
     @FXML
     private void buyBasic() {
         // TODO: Call showAlert() with a message indicating the user entered the payment gateway
+        showAlert("Basic plan selected.");
     }
 
     @FXML
     private void buyPro() {
         // TODO: Call showAlert() with a message indicating the user entered the payment gateway
+        showAlert("Pro plan selected.");
     }
 
     @FXML
     private void buyEnterprise() {
         // TODO: Call showAlert() with a message indicating the user entered the payment gateway
+        showAlert("Enterprise plan selected.");
     }
 
     @FXML
     private void toggleTheme() {
+        isDark = !isDark;
+
+        themeToggle.getScene().getStylesheets().clear();
+        if(isDark){
+            themeToggle.getScene().getStylesheets().add(getClass().getResource("style.css").toExternalForm());
+            themeToggle.setText("Switch to Light Mode");
+        }
+        else{
+            themeToggle.getScene().getStylesheets().add(getClass().getResource("light.css").toExternalForm());
+            themeToggle.setText("Switch to Dark Mode");
+        }
+
         // TODO: Toggle the isDark flag. If dark, switch to style.css and set button text to "Switch to Light Mode"
         // TODO: If light, switch to light.css and set button text to "Switch to Dark Mode"
     }
 
     private void showAlert(String message) {
         // TODO: Create a new Alert of type INFORMATION with the given message and display it
+        Alert alert = new Alert(Alert.AlertType.INFORMATION, "Info Alert");
+        alert.setHeaderText("Test");
+        alert.setContentText(message);
+        alert.show();
     }
 }