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package testpr2.GUI;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import testpr2.ActionListeners.previousButtonListener;
import testpr2.ShoppingList;

/**
 *
 * @author Lukas
 */
public class MainFrame extends JFrame {
    final ShoppingList list;

    public MainFrame(final ShoppingList list) {
        super("Shop");
        this.list = list;

        //JFrame options
        setLocationRelativeTo(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        Container con = getContentPane();
        con.setLayout(new BorderLayout());


        //JPanel NORTH
        JPanel paneNORTH = new JPanel();
        con.add(paneNORTH, BorderLayout.NORTH);

        //JPanel EAST
        JPanel paneEAST = new JPanel();
        con.add(paneEAST, BorderLayout.EAST);

        //JPanel SOUTH
        JPanel paneSOUTH = new JPanel();
        paneSOUTH.setLayout(new BorderLayout());
        con.add(paneSOUTH, BorderLayout.SOUTH);

            //JPanel SOUTH up
            JPanel paneSOUTHup = new JPanel();
            paneSOUTH.add(paneSOUTHup, BorderLayout.NORTH);

            //JPanel SOUTH down
            JPanel paneSOUTHdown = new JPanel();
            paneSOUTH.add(paneSOUTHdown, BorderLayout.SOUTH);



        //JLabel product
        final JLabel product = new JLabel(list.getCurrentItem().getName());
        paneSOUTHup.add(product);

        //JButton Clear cart
        JButton clearCartB = new JButton("Clear cart");
        paneNORTH.add(clearCartB);

        //JButton Buy selected items
        JButton buySelectedItemsB = new JButton("Buy selected items");
        paneNORTH.add(buySelectedItemsB);

        //JButton Add to cart
        JButton addToCartB = new JButton("Add to cart");
        paneEAST.add(addToCartB);

        //JButton previous <
        final JButton previousB = new JButton("<");
        paneSOUTHdown.add(previousB);

        //JButton next >
        final JButton nextB = new JButton(">");
        paneSOUTHdown.add(nextB);



        //ACTION LISTENERS

        nextB.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                list.next();
                product.setText(list.getCurrentItem().getName());
                if(!list.hasNext()) nextB.setEnabled(false);
            }
        });



        pack();
    }

}