//////////////////
/// To use:
///    in riskaplt.java as a class variable:
///      GameControl gc;
///    in riskaplt.java in riskaplt class in function startgameclient()
///       gc = new GameControl(this);
///    in riskaplt.java in riskaplt class at the end of updateGame() add:
///       if(gc != null) gc.updateGameList();
/////////////////

import java.awt.*;
import java.util.*;

public class GameControl extends Frame {
    private riskaplt risk;
    //private JavaChat risk;
    private List gameList = null;
    private Label status = null;
    private Label gstatus = null;        
    private String gname = null;
    private Button j, a, s;
    private GameAdder ga = null;

    public void destroy() {
        if(ga != null) ga.destroy();
        hide();
        dispose();
    }

    GameControl(riskaplt r) {
        super("Game Control");
        risk = r;
//        resize(400,300);
        setLayout(new BorderLayout());

        Panel p1 = new Panel();
        Panel p1a = new Panel();
        Panel p1b = new Panel();
        p1.setLayout(new BorderLayout());
        p1a.setLayout(new BorderLayout());
        p1a.add("North",j = new Button("Join Game"));
        p1a.add("South",a = new Button("Add Game..."));
        p1b.setLayout(new BorderLayout());
        p1b.add("North",s = new Button("Start Game"));
        p1.add("North",p1a);
        p1.add("Center",p1b);
        
        Panel p2 = new Panel();
        p2.setLayout(new BorderLayout());
        p2.add("North",new Label("Game List:"));
        p2.add("South",gstatus = new Label("          "));
        gameList = new List(10,false);
        p2.add("Center",gameList);
        add("West",p2);
        add("East",p1);
        add("South",status = new Label("              "));
        pack();
        show();
        updateGameList();
    }
    
    public void setStatus(String s) {
        if(s == null) return;
        status.hide();
        status.setText(s);
        status.show();
    }
    
    public void updateGameList() {
        gameList.clear();
        int i = risk.knownGames.size();
        int n = 0;
        iGame g;
        while(i-- > 0) {
            g = (iGame) risk.knownGames.elementAt(i);
            if(g.started == true) continue;
            gameList.addItem(g.name+" ("+g.gid+")");
        }
        n = gameList.countItems();
        gstatus.setText(n+" game"+(n==1 ? "" : "s") + " available");    
    }
    
    private String getGID(String s) {
        if(s == null) return null;
        StringTokenizer st = new StringTokenizer(s,"()");
        if(st.countTokens() >= 2) {
            gname = st.nextToken();
            return  st.nextToken();
        }
        return null;
    }
    
    public boolean action(Event evt, Object arg) {
        System.out.println(evt.toString());
        System.out.println(arg.toString());
        if(evt.target instanceof List && ((List) evt.target) == gameList) {
            String gid = getGID((String) arg);
            joinGame(gid);            
            return true;
        }
        if(evt.target instanceof Button) {
            Button b = (Button) evt.target;
            if(b == j) {
                String gid = getGID(gameList.getSelectedItem());         
                joinGame(gid);
                return true;
            } else if(b == a) {
                if(ga != null) ga.destroy();
                ga = new GameAdder(this);
                return true;
            } else if(b == s) {
                risk.sendMessage("STARTGAME");
            }
        }
        return super.action(evt,arg);
    }   

    public void sendMessage(String msg) {
        risk.sendMessage(msg);
    }

    void joinGame(String gid) {
        if(gid != null) {
            sendMessage("JOIN\t"+gid);
            setStatus("Joining "+gname+"...");
        }
        System.out.println("gid = null");
    }    
}