package jadelab2;

import jade.core.AID;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

class BookSellerGui extends JFrame
{	
	private BookSellerAgent myAgent;
	
	private JTextField titleField, priceField, shippingPriceField;
	
	BookSellerGui(BookSellerAgent a)
	{
		super(a.getLocalName());
		
		myAgent = a;
		
		JPanel p = new JPanel();
		p.setLayout(new GridLayout(3, 2));

		p.add(new JLabel("Title:"));
		titleField = new JTextField(15);
		p.add(titleField);

		p.add(new JLabel("Price:"));
		priceField = new JTextField(15);
		p.add(priceField);

		p.add(new JLabel("Shipping cost:"));
		shippingPriceField = new JTextField(15);
		p.add(shippingPriceField);


		getContentPane().add(p, BorderLayout.CENTER);
		
		JButton addButton = new JButton("Add");
		addButton.addActionListener( new ActionListener()
		{
			public void actionPerformed(ActionEvent ev)
			{
				try
				{
					String title = titleField.getText().trim();
					String price = priceField.getText().trim();
					String shippingPrice = shippingPriceField.getText().trim();

					myAgent.updateCatalogue(title, Integer.parseInt(price), Integer.parseInt(shippingPrice));

					titleField.setText("");
					priceField.setText("");
					shippingPriceField.setText("");
				}
				catch (Exception e)
				{
					JOptionPane.showMessageDialog(BookSellerGui.this, "Invalid values. " + e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE); 
				}
			}
		} );
		p = new JPanel();
		p.add(addButton);
		getContentPane().add(p, BorderLayout.SOUTH);
		
		addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent e)
			{
				myAgent.doDelete();
			}
		} );
		
		setResizable(false);
	}
	
	public void display()
	{
		pack();
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		int centerX = (int)screenSize.getWidth() / 2;
		int centerY = (int)screenSize.getHeight() / 2;
		setLocation(centerX - getWidth() / 2, centerY - getHeight() / 2);
		setVisible(true);
	}
}