Pegasus/src/views/HomeScreen.java

package views;

import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.Tooltip;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.VBox;
import javafx.scene.shape.Circle;
import javafx.stage.Stage;
import models.Pilots;
import utils.XMLHelper;

public class HomeScreen {
    private Stage stage;

    public HomeScreen(Stage stage) {
        this.stage = stage;
    }

    public void display() {
        // Titel des Projekts
        Label title = new Label("Fluglogbuch Pegasus");
        title.setStyle("-fx-font-size: 32px; -fx-font-weight: bold; -fx-text-fill: #000000; -fx-font-family: 'Arial Black';");

        Button btn1 = createButton("Flug erfassen", "/resources/icons/add_flight_icon.png", "Erfassen Sie einen neuen Flug");
        Button btn2 = createButton("Logbuch einsehen", "/resources/icons/view_logbook_icon.png", "Sehen Sie das Fluglogbuch ein");
        Button btn3 = createButton("Pilotenprofil verwalten", "/resources/icons/manage_pilot_icon.png", "Verwalten Sie das Profil eines Piloten");
        Button btn4 = createButton("Piloten löschen", "/resources/icons/delete_pilot_icon.png", "Löschen Sie einen Piloten");
        Button helpBtn = createHelpButton("/resources/icons/help_icon.png", "Hilfe anzeigen");
        Button pilotsBtn = createButton("Alle Piloten anzeigen", "/resources/icons/view_pilot_icon.png", "Alle Piloten anzeigen");
        Button editPilotsBtn = createButton("Pilot bearbeiten", "/resources/icons/edit_pilot_icon.png", "Bearbeiten Sie ein Pilotenprofil");

        btn1.setOnAction(e -> new AddFlightScreen(stage).display());
        btn2.setOnAction(e -> new ViewLogbookScreen(stage).display());
        btn3.setOnAction(e -> new ManagePilotProfileScreen(stage).display());
        btn4.setOnAction(e -> new DeletePilotScreen(stage).display());
        helpBtn.setOnAction(e -> new HelpScreen(stage).display());
        pilotsBtn.setOnAction(e -> new PilotView(stage).displayAllPilots());
        editPilotsBtn.setOnAction(e -> {
            Pilots pilots = (Pilots) XMLHelper.loadFromXML("pilots.xml");
            if (pilots != null && !pilots.getPilots().isEmpty()) {
                new ManagePilotProfileScreen(stage).displayEditSelection(pilots); // Aufruf mit Pilotenliste
            } else {
                showAlert("Keine Piloten", "Es sind keine Piloten zum Bearbeiten verfügbar.");
            }
        });

        GridPane gridPane = new GridPane();
        gridPane.setPadding(new Insets(20));
        gridPane.setHgap(20);
        gridPane.setVgap(20);
        gridPane.setAlignment(Pos.CENTER);
        gridPane.add(btn1, 0, 0);
        gridPane.add(btn2, 1, 0);
        gridPane.add(btn3, 0, 1);
        gridPane.add(pilotsBtn, 1, 1);
        gridPane.add(editPilotsBtn, 0, 2);
        gridPane.add(btn4, 1, 2);

        VBox vbox = new VBox(20, title, gridPane);
        vbox.setAlignment(Pos.CENTER);

        BorderPane borderPane = new BorderPane();
        borderPane.setCenter(vbox);
        borderPane.setRight(helpBtn);
        BorderPane.setAlignment(helpBtn, Pos.TOP_RIGHT);
        BorderPane.setMargin(helpBtn, new Insets(10));

        Scene scene = new Scene(borderPane, 800, 600);
        scene.getStylesheets().add(getClass().getResource("/resources/styles.css").toExternalForm());

        stage.setScene(scene);
        stage.setTitle("Fluglogbuch Pegasus");
        stage.show();
    }

    private Button createButton(String text, String iconPath, String tooltipText) {
        Image icon = new Image(getClass().getResourceAsStream(iconPath));
        ImageView iconView = new ImageView(icon);
        iconView.setFitHeight(20);
        iconView.setFitWidth(20);

        Button button = new Button(text, iconView);
        button.setTooltip(new Tooltip(tooltipText));
        button.setStyle("-fx-background-color: #000000; -fx-text-fill: #FFFFFF; -fx-font-weight: bold;");
        button.setPrefSize(250, 50);
        return button;
    }

    private Button createHelpButton(String iconPath, String tooltipText) {
        Image icon = new Image(getClass().getResourceAsStream(iconPath));
        ImageView iconView = new ImageView(icon);
        iconView.setFitHeight(30);
        iconView.setFitWidth(30);

        Button button = new Button("", iconView);
        button.setTooltip(new Tooltip(tooltipText));
        button.setStyle("-fx-background-color: #000000; -fx-text-fill: #FFFFFF; -fx-font-weight: bold;");
        button.setShape(new Circle(25)); // Set button shape to circle
        button.setMinSize(50, 50); // Set the min size to ensure it remains circular
        button.setMaxSize(50, 50); // Set the max size to ensure it remains circular
        return button;
    }

    private void showAlert(String title, String message) {
        Alert alert = new Alert(Alert.AlertType.INFORMATION);
        alert.setTitle(title);
        alert.setHeaderText(null);
        alert.setContentText(message);
        alert.showAndWait();
    }
}