import java.io.File;

import java.awt.CardLayout;

import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class ImageWindow extends JFrame {

    private CardLayout cards; 
    private JPanel imagePanel; 
    
    public ImageWindow() {
        this.setSize(1024, 1024);
        this.setLocationRelativeTo(null);
        this.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);

        File resourcesDirectory = new File("../resources/");

        if(resourcesDirectory.exists() && resourcesDirectory.isDirectory()) {
            File[] files = resourcesDirectory.listFiles();

            if(files != null) {

                this.cards = new CardLayout(); 
                this.imagePanel = new JPanel();
                this.imagePanel.setLayout(this.cards);

                for(File file : files) {
                    JLabel label = new JLabel(new ImageIcon(file.getPath()));
                    label.setHorizontalAlignment(JLabel.CENTER);
                    label.setVerticalAlignment(JLabel.CENTER);
                    this.imagePanel.add(new JLabel(new ImageIcon(file.getPath())), file.getName());
                }

                this.add(this.imagePanel);

                this.addMouseListener(new ClickSwapImageEvent(this));
                this.addWindowListener(new WindowClosedEvent(this));

                this.nextImage();
            }
        }
    }

    public void nextImage() {
        this.cards.next(this.imagePanel);
    }

    public void lastImage() {
        this.cards.previous(this.imagePanel);
    }
}