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

/*
Robert Meurlin
Ett P2P program.
JFinder OBSERVERA ej helt klar är just nu snarlik uppg4.
Ska vara en program för filtilldelning a'la Direct Connect.
Består sammalagt av 4 klasser.
*/
public class JFinder extends JFrame{
	//pekare
	private InetAddress adress=null; 
	private int portnr=2000;
	private MulticastSocket ms;	
	private Sender sender; 
	private Receiver receiver;
	private InterFaceHandler interfh;	
	private String hostadress="", hostname="";
	
	private JTextField searchString = new JTextField(30);
	JTextField messageField;
	private JTextArea names = new JTextArea(15, 80);
	private JButton findbutton = new JButton("Find"), sendButton, exitButton;
	private JButton getbutton = new JButton("Get");	
	//private ButtonGroup searchIn = new ButtonGroup();
	private ButtonGroup searchFor = new ButtonGroup();
	private JCheckBox exMatch = new JCheckBox("Exact Match", true);
	private JList resultatLista;
	private DefaultListModel listModel;
	private JScrollPane scroll; 
	private JPanel commandPanel;	
	//private S 
	
	//tar också ett argument vid starten
	public JFinder(String[] args){
		
		super("JFinder");
		if (args.length == 0){
			hostname = "anonym";}
		else if (args.length == 1){ 
			hostname =args[0];
		}	
		
		Container pane = this.getContentPane();
		Font f = new Font("Monospaced", Font.PLAIN, 12);
		names.setFont(f);
		
		JPanel cPanel = new JPanel();
		cPanel.setLayout(new GridLayout(1, 1, 10, 10));
		JScrollPane jsp = new JScrollPane(names);
		cPanel.add(jsp);
		pane.add("Center", cPanel);
		
		JPanel northPanel = new JPanel();
		JPanel northPanelTop = new JPanel();
		northPanelTop.setLayout(new FlowLayout(FlowLayout.LEFT));
		northPanelTop.add(new JLabel("Filnamn: "));
		northPanelTop.add("North", searchString);
		northPanelTop.add(exMatch);
		northPanelTop.add(findbutton);
		northPanelTop.add(getbutton);
		
		northPanel.setLayout(new BorderLayout(2,1));
		northPanel.add("North", northPanelTop);
		JPanel noBottom = new JPanel();
		noBottom.setLayout(new GridLayout(1,3,5,5));
		noBottom.add(initRecordType());
		noBottom.add(initUserChoice());
		northPanel.add("Center", noBottom);
		pane.add("North", northPanel);
		
		sendButton = new JButton("Send");
		exitButton = new JButton("Exit");
		commandPanel = new JPanel();
		messageField = new JTextField(20);
		//messageField.addActionListener(listener);
		commandPanel.add(new JLabel("Chat: "));
		commandPanel.add(messageField);
		//sendButton.addActionListener(listener);
		commandPanel.add(sendButton);
		//exitButton.addActionListener(listener);
		commandPanel.add(exitButton);
		pane.add(commandPanel, BorderLayout.SOUTH);
		
		Exit closing = new Exit();
		exitButton.addActionListener(closing);
		
		SendMe sendme = new SendMe();
		sendButton.addActionListener(sendme);
		show();
		connect();
}//public JFinder

//knapparna för sökning, radioknappar klickbara
private JPanel initRecordType() {
	
	JPanel p = new JPanel();
	p.setLayout(new GridLayout(6, 2, 5, 2));
	p.add(new JLabel("Search for"));
	p.add(new JLabel(""));

	JRadioButton all = new JRadioButton("All", true);
	all.setActionCommand("All");
	searchFor.add(all);
	p.add(all);
	p.add(this.makeRadioButton("Audio"));
	p.add(this.makeRadioButton("Video"));
	p.add(this.makeRadioButton("Images"));
	p.add(this.makeRadioButton("SoftWare"));
	p.add(this.makeRadioButton("Documents"));
	return p;
		
}

//Gör själva radionknappen.
private JRadioButton makeRadioButton(String label) {
		JRadioButton button = new JRadioButton(label, false);
		button.setActionCommand(label);
		searchFor.add(button);
		return button;
}

//Sökresultaten
private JPanel initUserChoice() {
	JPanel p = new JPanel();
	p.setLayout(new GridLayout(6, 1, 5, 2));
	p.add(new JLabel("Search results: "));
	listModel = new DefaultListModel();
	resultatLista = new JList(listModel);
	resultatLista.setFixedCellWidth(50);
	scroll = new JScrollPane(resultatLista);
	p.add(resultatLista);
	return p;
}

//snarlik som uppg 4's connect metod
private synchronized void connect(){
	try{
	//ny multicast::
	ms = new MulticastSocket(portnr);
	hostadress = ms.getInetAddress().getLocalHost().getHostAddress();
	adress = InetAddress.getByName("234.235.236.237");
	System.out.println("ansluten till: " + adress.getHostAddress());
	
	//lägg in klienterna!!
	ms.joinGroup(adress);
	sender = new Sender(ms, this);
	receiver = new Receiver(ms, this);
	interfh = new InterFaceHandler(receiver,this);		
	
	}catch (IOException e){
		ShutDown();
	}
	//setStatus("broadcastar meddelandet var 5 sek");
}

/*public metoder för de yttre klasserna att anropa 4 ST !!*/

public String getHostName(){
	return hostname;
}

public String getHostA(){
	return hostadress;
}

public InetAddress getInet(){
	return adress;
}

public int getPort(){
	return portnr;
}	

//lägg ut i textarean.
protected void logg(String mess){
		names.setText("");
		names.append(mess);
		names.setCaretPosition(names.getText().length()); 
}
	
private void setStatus(String mess){
	//lägg in text i textarean!!
	//names.setText(mess);
}	
public String hamtaText(){
	String mess = messageField.getText().trim();
	return mess;
}	

public void ShutDown(){
	//stäng av trådarna mha deras resp setOffline() metod i dom inre klassernet
	receiver.setOffline();
	sender.setOffline();
	interfh.setOffline();
	System.exit(7);
}


public static void main(String[] args) {
		
		JFinder jfinder = new JFinder(args);
		jfinder.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});
		jfinder.pack();
		//jfinder.
}
	
class Exit extends WindowAdapter implements ActionListener{
	public void actionPerformed(ActionEvent ae){
	    doit();
	}
	void doit(){
	    System.exit(0);
	}
    }
    
class SendMe extends WindowAdapter implements ActionListener{
	public void actionPerformed(ActionEvent aie){
		
	}
	}

}