package fauxExchange;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.table.*;
import javax.swing.border.*;

public class OutputBookDlg extends JDialog {
	final JDialog me = this;
	JTable bookTable;
	OrderBook book;
	JScrollPane tablePane;
	String[] colNames = {"Buy Size", "Buy Price", "Sell Size", "Sell Price"};

	
	public OutputBookDlg(JFrame parent, String title, OrderBook ob){
		super(parent, title);
		
		book = ob;
		
		this.getContentPane().add(createComponents());
		this.pack();
	}
	
	protected JComponent createComponents(){
		JPanel main = new JPanel();
		JPanel center = new JPanel();
		center.setBorder(new EmptyBorder(10, 10, 10, 10));
		JPanel south = new JPanel();
		south.setBorder(new EmptyBorder(10, 10, 15, 10));
		
		Object[][] data = extractData();
		
		JButton closeDlgBtn = new JButton("Close Display");
		closeDlgBtn.setMnemonic('c');
		closeDlgBtn.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent ae){
				me.hide();
			}
		});
		
		JButton refreshBtn = new JButton("Refresh Display");
		refreshBtn.setMnemonic('r');
		refreshBtn.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent ae){
				handleTableRefresh(ae);
			}
		});
		
		bookTable = new JTable(data, colNames);
//		tablePane.add(bookTable);
		tablePane = new JScrollPane(bookTable);

		
		main.setLayout(new BorderLayout());
		center.add(tablePane);
		main.add(center, BorderLayout.CENTER);
		south.add(refreshBtn);
		south.add(closeDlgBtn);
		main.add(south, BorderLayout.SOUTH);
		
		return main;
	}
	
	protected void handleTableRefresh(ActionEvent ae){
//		tablePane.remove(bookTable);
//		
//		bookTable = new JTable(extractData(), colNames);
//		
//		tablePane.add(bookTable);
//		
		bookTable.setModel(new DefaultTableModel(extractData(), colNames));
		me.repaint();
	}
	
	Object[][] extractData(){
		Object[][] data = null;
		
		java.text.NumberFormat nf = java.text.NumberFormat.getCurrencyInstance();
		
		ArrayList buyOrders = new ArrayList(book.buyOrders);
		ArrayList sellOrders = new ArrayList(book.sellOrders);
		
		Collections.sort(buyOrders);
		Collections.sort(sellOrders);
		
		int size = (buyOrders.size() > sellOrders.size()) ? buyOrders.size() : sellOrders.size();
		data = new Object[size + 1][];
		data[0] = new Object[4];
		data[0][0] = "Last Price";
		data[0][1] = nf.format(book.getLastPrice());
		if (book.obsc.getOrderBookState() instanceof TradingState){
			data[0][2] = "";
			data[0][3] = "Book in Trading";
		}else{
			data[0][2] = "Opening Price";
			data[0][3] = nf.format(book.getOpeningPrice());
		}
		
		for (int i = 1; i < size+1; i++){
			data[i] = new Object [4];
			if (buyOrders.size() <= i){
				data[i][0] = "";
				data[i][1] = "";
			}else{
				Order o = (Order)(buyOrders.get(i));
				
				data[i][0] = new Integer(o.getSize());
				
				if (!o.isMarket()){				
					data[i][1] = nf.format(((Order)(buyOrders.get(i))).getPrice());
				}else{
					data[i][1] = "Market";
				}
			}
			
			if (sellOrders.size() <= i){				
				data[i][0] = "";
				data[i][1] = "";
			}else{
				Order o = (Order)sellOrders.get(i);

				data[i][2] = new Integer(((Order)(sellOrders.get(i))).getSize());

				if (!o.isMarket()){		
					data[i][3] = nf.format(o.getPrice());					
				}else{
					data[i][3] = "Market";
				}				
			}
		}
		
		return data;
	}
}