import javax.swing.*;	// J components
import java.awt.event.*;	// ActionListener
import java.util.*;	// collections
import java.awt.*;	// Layout managers, ...

/** Class for the minimarket applet
 *  @author (sdb)
 * @author(Rob Russell) //made edits for question 4
 */
public class Market 
	extends JApplet  // We're using JComponents
	implements ActionListener
{  private java.util.List <JCheckBox> items;
   private Map <String, Integer> data;
   private JTextField custTxt;
   private JRadioButton pickupButton;
   private JRadioButton deliverButton;
   //made the label a field instead of it being defined locally
   private JLabel theLabel = new JLabel ("Choose One");
   private java.awt.List report;

   public void init ()
   {	data = new TreeMap <String, Integer> ();
	this.setLayout (new BorderLayout());
	JPanel custPanel = 
		new JPanel(new GridLayout (0,1));
	custPanel.add (new JLabel("Enter name"));
	custTxt = new JTextField();
	custPanel.add (custTxt);
	add (custPanel, BorderLayout.NORTH);
		
	
	// Items to be selected go in the West
	JPanel itemPanel = new JPanel();
	itemPanel.setLayout (new GridLayout (0,1));
	itemPanel.add (new JLabel ("Select items")); 

	items = new ArrayList <JCheckBox> ();
	JCheckBox soda = new JCheckBox ("Soda");
	items.add (soda);
	itemPanel.add (soda);
	JCheckBox chips= new JCheckBox ("Chips");
	items.add (chips);
	itemPanel.add (chips);
	JCheckBox dips = new JCheckBox ("Dips");
	items.add (dips);
	itemPanel.add (dips);
	JCheckBox beer = new JCheckBox ("Beer");
	items.add (beer);
	itemPanel.add (beer);
	add (itemPanel, BorderLayout.WEST);

	JPanel pickupPanel = 
		new JPanel(new GridLayout (0,1));
	pickupPanel.add (theLabel);

	pickupButton =
		new JRadioButton ("Pickup");
	deliverButton = 
		new JRadioButton ("Deliver");
	pickupPanel.add (pickupButton);
	pickupPanel.add (deliverButton);
	add (pickupPanel, BorderLayout.CENTER);
	ButtonGroup group = new ButtonGroup();
	group.add (pickupButton);
	group.add (deliverButton);
	
	JPanel reportPanel = 
		new JPanel(new GridLayout (0,1));
	JButton cartButton = new JButton 
		("Add to cart");
	JPanel cartPanel = new JPanel ();  // Flow
	cartPanel.add (cartButton);
	cartButton.addActionListener (this);
	
	report = new java.awt.List ();
	reportPanel.add (cartPanel);
	reportPanel.add (report);
	add (reportPanel, BorderLayout.EAST);

   }

   // All Actionlisteners must implement actionPerformed
   public void actionPerformed (ActionEvent e)
   {    String customer =  custTxt.getText().trim();
	for (JCheckBox item : items)
	   if (item.isSelected())
	     {	String key = customer + " " +
			item.getText();
		if (data.containsKey (key))
		    data.put (key, data.get(key)+1);
		else
		    data.put (key, 1);
	      }
        //Modifications here for question 4 for switching the label
        String pickup = null;
	if (deliverButton.isSelected())
		pickup = "deliver";
        if(pickupButton.isSelected())
                pickup = "pickup";
        if(pickup != null)
        {
           setList (customer, pickup);
           theLabel.setText("Choose One");
        }
        else
        {
           theLabel.setText("Must Choose One");
        }
   }

   // Copy strings into the List box
   private void setList (String customer, String pickup)
   {    report.removeAll();	// erase all strings
	report.add (customer);
	report.add (pickup);
	report.add ("");
	Set <String> keys;
	keys = data.keySet();
	for (String key : keys)
	   if (key.startsWith (customer))
		report.add (key + " " + data.get(key));
   }
}