import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.awt.event.ActionEvent;
import java.awt.Font;
import java.awt.Graphics;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JList;
import javax.swing.ListModel;
import javax.swing.DefaultListModel;
import javax.swing.JScrollPane;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.MutableComboBoxModel;

import javax.swing.DefaultComboBoxModel;
import javax.swing.JPanel;
import java.awt.GridBagLayout;
import java.awt.GridBagConstraints;
import javax.swing.JRadioButton;
import javax.swing.ButtonGroup;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JFileChooser;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;
import java.io.IOException;
import java.util.*;


public class Window extends JFrame implements ActionListener {
    private  JPanel radioButtonPanel;
    private  ButtonGroup radioButtons;
    private  JRadioButton sourceHostsButton;
    private  JRadioButton destinationHostsButton;
    private Font font;
    private GraphDisplay graph;
    private JComboBox ipComboBox;

    public static final int CANVAS_WIDTH=1000;
    public static final int CANVAS_HEIGHT=325;

    public static List<String> srcAddressList=null;
    public static List<String> destAddressList=null;

	Set<String> srcIPHashTable;
	Set<String> destIPHashTable;



    public Window() {
	    	super("Flow Volume Viewer");
	    	setLayout(new FlowLayout(0));
	    	setSize(1000,500);
	    	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	    	font = new Font("Sans-serif", Font.PLAIN, 20);
	    	setupRadioButtons();
	    	setupMenu();
	    	System.out.print(Window.srcAddressList);
	    	graph = new GraphDisplay();
	    	graph.setPreferredSize(new Dimension(CANVAS_WIDTH,CANVAS_HEIGHT));
	    	Container cont=getContentPane();
	    	cont.add(graph);
	    	setVisible(true);

	    }

    public void setupRadioButtons(){
	    	radioButtonPanel = new JPanel();
	    	radioButtonPanel.setLayout(new GridBagLayout());
	    	GridBagConstraints c = new GridBagConstraints();
	    	c.gridx = 0;
	    	c.gridy = GridBagConstraints.RELATIVE;
	    	c.anchor = GridBagConstraints.WEST;
	        radioButtons = new ButtonGroup();
	        sourceHostsButton = new JRadioButton("Source hosts");
	        sourceHostsButton.setFont(font);
	        sourceHostsButton.setSelected(true);
	        radioButtons.add(sourceHostsButton);
	        radioButtonPanel.add(sourceHostsButton, c);
	        destinationHostsButton = new JRadioButton("Destination hosts");
	        destinationHostsButton.setFont(font);
	        radioButtons.add(destinationHostsButton);
	        radioButtonPanel.add(destinationHostsButton, c);
	        add(radioButtonPanel);
    }


    public void setupMenu() {

    		JMenuBar menuBar = new JMenuBar();
    		setJMenuBar(menuBar);
    		JMenu fileMenu = new JMenu("File");
    		fileMenu.setMnemonic('F');
    		fileMenu.setFont(font);
    		menuBar.add(fileMenu);
    		JMenuItem fileMenuOpen = new JMenuItem("Open trace file");
    		fileMenuOpen.setFont(font);
    		List<String> srcAddressList = new ArrayList<String>();
    		List<String> destAddressList = new ArrayList<String>();

    		fileMenuOpen.addActionListener(
    				new ActionListener()
    				{
    					public void actionPerformed(ActionEvent e) {
        					JFileChooser fileChooser = new JFileChooser(".");
        					int retval = fileChooser.showOpenDialog(Window.this);
        					if (retval == JFileChooser.APPROVE_OPTION) {
        						File f = fileChooser.getSelectedFile();
        						Scanner sc = null;
								try {
									sc = new Scanner(f);
								} catch (IOException e1) {
									return;
								}

        					}

    					}
    				}
            );
    		fileMenu.add(fileMenuOpen);
    		JMenuItem fileMenuQuit = new JMenuItem("Quit");
    		fileMenuQuit.setFont(font);
    		fileMenu.add(fileMenuQuit);
    		fileMenuQuit.addActionListener(
    				new ActionListener()
    				{
    					public void actionPerformed(ActionEvent e) {
    						System.exit(0);
    					}
    				}
    				);


    	}




    private class GraphDisplay extends JPanel{
    		public void paintComponent(Graphics g) {
    			super.paintComponent(g);
    			setBackground(Color.WHITE);
    			g.setFont(new Font("Sans-serif", Font.PLAIN, 20));
    			g.drawLine(50, 20, 50, 270);
    			g.drawLine(50, 270, 900, 270);
    			g.drawLine(45, 270, 50, 270);
    			g.drawString("Time[s]",450,320);
    			g.drawString("Volume [bytes]", 10, 15);
    			int a=50;
    			int b=800/50;
    			for (int c=0; c<=b; c++) {
    				g.drawLine(50+c*a, 270, 50+c*a, 275);
    				g.drawString(String.valueOf(a*c), 40+c*a, 295);
    			}
    		}
    }

    public void setupComboBox() {
    	ipComboBox = new JComboBox<String>();
		ipComboBox.setModel((MutableComboBoxModel<String>) ipComboBox.getModel());
		ipComboBox.setMaximumRowCount(8);
		ipComboBox.setFont(font);
		ipComboBox.setMinimumSize(new Dimension(300,25));

		ipComboBox.addActionListener(this);
		add(ipComboBox);
	}




    public void actionPerformed(ActionEvent event) {
    		if (sourceHostsButton.isSelected()) {

    		}
    		if (destinationHostsButton.isSelected()) {

    		}
    }

}