/*
 * Championship.java
 *
 * $Id: jprison.el,v 1.1 1999/03/03 15:12:17 beaufils Exp $
 *
JPRISON_COPYRIGHT
 */

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.util.*;
import fr.lifl.prison.*;
import fr.lifl.prison.util.*;
import fr.lifl.prison.strategies.*;

/** 
 * This applet may take two parameters for localization :
 * <ul>
 *   <li> language
 *   <li> country
 * </ul>
 *
 * At that time the default language is english, and the following ones are
 * set up in MatchMessages Properties files :
 * <ul>
 *   <li> french for France
 * </ul>
 */
public class Championship extends Applet {
    // Declaration of the differents graphics components
    Panel mainPanel;
    BorderLayout mainLayout;
    Panel choicePanel;
    BorderLayout choiceLayout;
    Panel line1Panel;
    FlowLayout line1Layout;
    Panel line2Panel;  
    FlowLayout line2Layout;
    ScrollPane line2ScrollPane;
    Label title;
    List list_of_strategies;
    Label text1;
    Choice choice_of_B;
    Label text2;
    TextField length_of_match;
    Label text3;
    Button button_play;
    Panel matrixPanel;
    // Declaration of localised needed object
    ResourceBundle messages;
    // Game objects
    BasicStrategies strats; 
    
    // Initialisation of the applet
    public void init() {
        setBackground(Color.white);
        // Set the locale string
        set_locale();
        // Create all the needed components
        create_components();
        // Create the basic strategies
        strats = new BasicStrategies(getLocale());
        // Add all the strategies in the two choices
        for (Enumeration e = strats.players(); e.hasMoreElements();) {
            list_of_strategies.addItem(e.nextElement().toString());
        }
        // add the mainPanel to the applet
        add(mainPanel);
    }
    
    // Set the locale informations
    private void set_locale() {
        String language;
        String country;
        
        // Changed the locale only if asked
        if (getParameter("language") != null
            && getParameter("country") != null) {
            setLocale(new Locale(getParameter("language"), 
                                 getParameter("country"))); 
        }
        // Creating the ressources
        messages = ResourceBundle.getBundle("ChampionshipMessages", 
                                            getLocale()); 
    }
    
    // Creation of the differents components
    private void create_components() {
        mainPanel = new Panel();
        mainLayout = new BorderLayout();
        mainPanel.setLayout(mainLayout);
        
        title = new Label(messages.getString("title"));
        title.setAlignment(Label.CENTER);
        mainPanel.add(title, "North");
        
        choicePanel = new Panel();
        choiceLayout = new BorderLayout();
        choicePanel.setLayout(choiceLayout);
        
        line1Panel = new Panel();
        line1Layout = new FlowLayout();
        line1Panel.setLayout(line1Layout);
        
        list_of_strategies = new List(5, true);
        text2 = new Label(messages.getString("during"));
        text2.setAlignment(Label.CENTER);
        length_of_match = new TextField("20", 2);
        text3 = new Label(messages.getString("moves"));
        text3.setAlignment(Label.CENTER);
        button_play = new Button(messages.getString("play"));
        button_play.setBackground(Color.orange);
        button_play.addActionListener(new Championship.ButtonPlay());
        
        line1Panel.add(list_of_strategies);
        line1Panel.add(text2);
        line1Panel.add(length_of_match);
        line1Panel.add(text3);
        line1Panel.add(button_play);
        
        choicePanel.add("North", line1Panel);
        
        line2ScrollPane = new ScrollPane(ScrollPane.SCROLLBARS_AS_NEEDED);
        line2ScrollPane.setSize(370,170);
        line2Panel = new Panel();
        line2Layout = new FlowLayout();
        line2Layout.setAlignment(FlowLayout.CENTER);
        line2Panel.setLayout(line2Layout);
        line2ScrollPane.add(line2Panel);
        choicePanel.add("Center", line2ScrollPane);
        
        mainPanel.add(choicePanel);
    }
    
    // The Button listener
    public class ButtonPlay implements ActionListener {

        // Method called when the button is pressed
        public void actionPerformed(ActionEvent e) {
            // Just in case it will be long
            line2Panel.removeAll();
            Label waitLabel = new Label(messages.getString("wait"));
            waitLabel.setAlignment(Label.CENTER);
            line2Panel.add(waitLabel);
            validate();
            // Create and compute players list, paramaters and a tournament
            int choosenStrategies[] = list_of_strategies.getSelectedIndexes();
            PlayerList listOfPlayer = new PlayerList();
            Parameters p = new Parameters(getLength());
            for (int i = 0; i < choosenStrategies.length; i += 1) {
                listOfPlayer.addPlayer(strats.playerAt(choosenStrategies[i]));
            }
            Tournament tournament = new Tournament(listOfPlayer, p);
            int winner = listOfPlayer.indexOf(tournament.compute());
            // Update the display
            Matrix matrix = tournament.getPayoff();
            Matrix results = new Matrix(listOfPlayer.size(), 1);
            results.setColumnAt(0, tournament.getFinalScores());
            results.setColumnHeaderAt(0, messages.getString("score"));

            matrix.setRowBackground(winner, Color.orange);
            results.setRowBackground(winner, Color.orange);
            line2Panel.removeAll();
            line2Panel.add(matrix.getPanel(true, true));
            line2Panel.add(results.getPanel(false,true));

            // Give the focus back to the button
            button_play.requestFocus();

            // Validate all changes
            validate();
        }
        
        // Get the length of the match with some constraints
        private int getLength() {
            // Get the value in the text field
            int n = Integer.valueOf(length_of_match.getText()).intValue();
            
            // If not in the range 1..20 set it to 20
            if (n < 1 || n > 20) {
                length_of_match.setText("20");
                return 20;
            }
            else
                return n;       
        }
    }  
}
/* End of Championship.java. */