import javax.swing.*;
import java.awt.*;
import java.util.Random;

public class FormParameterClass extends JComponent {
    private DrawningBattleship battleship1;
    private DrawningBattleship battleship2;
    private DrawningBattleship battleship3;
    private DrawningBattleship battleship4;
    private DrawningBattleship battleship5;
    MyParametrClass<EntityBattleship, IDrawningBlocks> parameterClass;
    public FormParameterClass(){
        JFrame form = new JFrame("Экземпляры от параметризованного класса");
        form.setSize(900, 500);
        form.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        form.setLocationRelativeTo(null);

        Panel statusPanel = new Panel();
        statusPanel.setBackground(Color.WHITE);
        statusPanel.setLayout(new FlowLayout());
        setLayout(new BorderLayout());
        add(statusPanel, BorderLayout.SOUTH);


    JButton showRandomEntity = new JButton("Создать");
        showRandomEntity.addActionListener(e -> {
        Random random = new Random();
        int[] arrayBlocks = {2, 4, 6};
        if (parameterClass == null) {
            parameterClass = new MyParametrClass<EntityBattleship, IDrawningBlocks>(20, 20);
            for (int i = 0; i < 20; i ++) {
                if (random.nextBoolean()) {
                    parameterClass.Insert(new EntityBattleship(random.nextInt(100), random.nextInt(100),
                            new Color(random.nextInt(255),random.nextInt(255),random.nextInt(255))));
                }
                else {
                    parameterClass.Insert(new EntityLinkor(random.nextInt(100), random.nextInt(100),
                            new Color(random.nextInt(255),random.nextInt(255),random.nextInt(255)),
                            new Color(random.nextInt(255),random.nextInt(255),random.nextInt(255)),
                            random.nextBoolean(), random.nextBoolean()));
                }
            }
            for (int i = 0; i < 20; i ++) {
                int rnd = random.nextInt(3);

                switch (rnd) {
                    case 0:
                        parameterClass.Insert(new DrawningBlocks(arrayBlocks[random.nextInt(3)],
                                new Color(random.nextInt(255),random.nextInt(255),random.nextInt(255))));
                        break;

                    case 1:
                        parameterClass.Insert(new DrawningRoundBlocks(arrayBlocks[random.nextInt(3)]));
                        break;

                    case 2:
                        parameterClass.Insert(new DrawningTriangleBlocks(arrayBlocks[random.nextInt(3)]));
                        break;
                }
            }
        }
        battleship1 = parameterClass.GetDrawningBattleship();
        battleship1.SetPosition(200, 200, form.getWidth(), form.getHeight() - 75);

        battleship2 = parameterClass.GetDrawningBattleship();
        battleship2.SetPosition(400, 200, form.getWidth(), form.getHeight() - 75);

        battleship3 = parameterClass.GetDrawningBattleship();
        battleship3.SetPosition(600, 200, form.getWidth(), form.getHeight() - 75);

        battleship4 = parameterClass.GetDrawningBattleship();
        battleship4.SetPosition(300, 300, form.getWidth(), form.getHeight() - 75);

        battleship5 = parameterClass.GetDrawningBattleship();
        battleship5.SetPosition(500, 300, form.getWidth(), form.getHeight() - 75);
        repaint();
    });
        statusPanel.add(showRandomEntity);

        form.getContentPane().add(this);

        form.setVisible(true);
}
    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2 = (Graphics2D)g;
        if (battleship1 != null) battleship1.DrawTransport(g2);
        if (battleship2 != null) battleship2.DrawTransport(g2);
        if (battleship3 != null) battleship3.DrawTransport(g2);
        if (battleship4 != null) battleship4.DrawTransport(g2);
        if (battleship5 != null) battleship5.DrawTransport(g2);
        super.repaint();
    }
}