/**
 *  Copyright (C) 2002-2012   The FreeCol Team
 *
 *  This file is part of FreeCol.
 *
 *  FreeCol is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  FreeCol is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with FreeCol.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.sf.freecol.client.gui.menu;

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.KeyEvent;
import java.awt.geom.Rectangle2D;
import java.util.logging.Logger;

import javax.swing.ButtonGroup;
import javax.swing.JMenu;

import net.sf.freecol.client.FreeColClient;
import net.sf.freecol.client.gui.GUI;
import net.sf.freecol.client.gui.action.*;
import net.sf.freecol.client.gui.action.DisplayTileTextAction.DisplayText;
import net.sf.freecol.client.gui.i18n.Messages;
import net.sf.freecol.client.gui.menu.DebugMenu;
import net.sf.freecol.common.debug.FreeColDebugger;
import net.sf.freecol.common.model.StringTemplate;
import net.sf.freecol.common.model.TileImprovementType;

/**
 * This is the menu bar used in-game.
 *
 * <br><br>
 *
 * The menu bar that is displayed on the top left corner of the
 * <code>Canvas</code>.
 *
 * @see MapEditorMenuBar
 */
public class InGameMenuBar extends FreeColMenuBar {

    @SuppressWarnings("unused")
    private static final Logger logger = Logger.getLogger(InGameMenuBar.class.getName());
    
    /**
     * Creates a new <code>FreeColMenuBar</code>. This menu bar will include
     * all of the submenus and items.
     *
     * @param f The main controller.
     * @param gui 
     */
    public InGameMenuBar(FreeColClient f, GUI gui) {

        // TODO: FreeColClient should not have to be passed in to this class.
        // This is only a menu bar, it doesn't need
        // a reference to the main controller. The only reason it has one now is
        // because DebugMenu needs it. And DebugMenu
        // needs it because it is using inner classes for ActionListeners and
        // those inner classes use the reference.
        // If those inner classes were in seperate classes, when they were
        // created, they could use the FreeColClient
        // reference of the ActionManger. So DebugMenu needs to be refactored to
        // remove inner classes so that this
        // MenuBar can lose its unnecessary reference to the main controller.
        // See FreeColMenuTest.
        //
        // Okay, I lied.. the update() and paintComponent() methods in this
        // MenuBar use freeColClient, too. But so what.
        // Move those to another class too. :)

        super(f, gui);

        //add a mouse listener so that autoscrolling can happen in this menubar
        this.addMouseMotionListener(new MenuMouseMotionListener(f, gui.getMapViewer()));
        
        reset();
    }


    /**
     * Resets this menu bar.
     */
    public void reset() {
        removeAll();

        buildGameMenu();
        buildViewMenu();
        buildOrdersMenu();
        buildReportMenu();
        buildColopediaMenu();

        if (FreeColDebugger.isInDebugMode(FreeColDebugger.DebugMode.MENUS)) {
            add(new DebugMenu(freeColClient));
        }

        update();
    }

    private void buildGameMenu() {
        // --> Game
        JMenu menu = new JMenu(Messages.message("menuBar.game"));
        menu.setOpaque(false);
        menu.setMnemonic(KeyEvent.VK_G);

        menu.add(getMenuItem(NewAction.id));
        menu.add(getMenuItem(OpenAction.id));
        menu.add(getMenuItem(SaveAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(PreferencesAction.id));
        menu.add(getMenuItem(ReconnectAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(ChatAction.id));
        menu.add(getMenuItem(DeclareIndependenceAction.id));
        menu.add(getMenuItem(EndTurnAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(ShowMainAction.id));
        menu.add(getMenuItem(ReportHighScoresAction.id));
        menu.add(getMenuItem(RetireAction.id));
        menu.add(getMenuItem(SaveAndQuitAction.id));
        menu.add(getMenuItem(QuitAction.id));

        add(menu);
    }

    private void buildViewMenu() {
        // --> View

        JMenu menu = new JMenu(Messages.message("menuBar.view"));
        menu.setOpaque(false);
        menu.setMnemonic(KeyEvent.VK_V);

        menu.add(getCheckBoxMenuItem(MapControlsAction.id));
        menu.add(getCheckBoxMenuItem(DisplayGridAction.id));
        menu.add(getCheckBoxMenuItem(DisplayBordersAction.id));
        menu.add(getMenuItem(ToggleViewModeAction.id));
        menu.add(getCheckBoxMenuItem(ChangeWindowedModeAction.id));

        menu.addSeparator();
        ButtonGroup group = new ButtonGroup();
        for (DisplayText type : DisplayText.values()) {
            menu.add(getRadioButtonMenuItem(DisplayTileTextAction.id + type, group));
        }

        menu.addSeparator();
        menu.add(getMenuItem(ZoomInAction.id));
        menu.add(getMenuItem(ZoomOutAction.id));
        menu.add(getMenuItem(CenterAction.id));
        menu.add(getMenuItem(TilePopupAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(EuropeAction.id));
        menu.add(getMenuItem(TradeRouteAction.id));
        menu.add(getMenuItem(FindSettlementAction.id));

        add(menu);
    }

    private void buildOrdersMenu() {
        // --> Orders
        JMenu menu = new JMenu(Messages.message("menuBar.orders"));
        menu.setOpaque(false);
        menu.setMnemonic(KeyEvent.VK_O);

        menu.add(getMenuItem(SentryAction.id));
        menu.add(getMenuItem(FortifyAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(GotoAction.id));
        menu.add(getMenuItem(GotoTileAction.id));
        menu.add(getMenuItem(ExecuteGotoOrdersAction.id));
        menu.add(getMenuItem(AssignTradeRouteAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(BuildColonyAction.id));
        // Insert all Improvements here:
        for (TileImprovementType type : freeColClient.getGame().getSpecification()
                 .getTileImprovementTypeList()) {
            if (!type.isNatural()) {
                menu.add(getMenuItem(type.getShortId() + "Action"));
            }
        }
        menu.addSeparator();

        menu.add(getMenuItem(LoadAction.id));
        menu.add(getMenuItem(UnloadAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(WaitAction.id));
        menu.add(getMenuItem(SkipUnitAction.id));
        menu.add(getMenuItem(ChangeAction.id));

        menu.addSeparator();

        menu.add(getMenuItem(ClearOrdersAction.id));
        menu.add(getMenuItem(RenameAction.id));
        menu.add(getMenuItem(DisbandUnitAction.id));

        add(menu);
    }

    private void buildReportMenu() {
        // --> Report

        JMenu menu = new JMenu(Messages.message("menuBar.report"));
        menu.setOpaque(false);
        menu.setMnemonic(KeyEvent.VK_R);

        menu.add(getMenuItem(ReportReligionAction.id));
        menu.add(getMenuItem(ReportLabourAction.id));
        menu.add(getMenuItem(ReportColonyAction.id));
        menu.add(getMenuItem(ReportForeignAction.id));
        menu.add(getMenuItem(ReportIndianAction.id));
        menu.add(getMenuItem(ReportContinentalCongressAction.id));
        menu.add(getMenuItem(ReportMilitaryAction.id));
        menu.add(getMenuItem(ReportNavalAction.id));
        menu.add(getMenuItem(ReportTradeAction.id));
        menu.add(getMenuItem(ReportTurnAction.id));
        menu.add(getMenuItem(ReportRequirementsAction.id));
        menu.add(getMenuItem(ReportCargoAction.id));
        menu.add(getMenuItem(ReportExplorationAction.id));
        menu.add(getMenuItem(ReportHistoryAction.id));
        menu.add(getMenuItem(ReportProductionAction.id));
        menu.add(getMenuItem(ReportEducationAction.id));
        menu.add(getMenuItem(ShowDifficultyAction.id));
        menu.add(getMenuItem(ShowGameOptionsAction.id));
        menu.add(getMenuItem(ShowMapGeneratorOptionsAction.id));

        add(menu);

    }


    /**
     * Paints information about gold, tax and year.
     */
    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);

        if (freeColClient != null && freeColClient.getMyPlayer() != null) {
            Graphics2D g2d = (Graphics2D) g;
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                                 RenderingHints.VALUE_ANTIALIAS_ON);
            g2d.setRenderingHint(RenderingHints.KEY_RENDERING,
                                 RenderingHints.VALUE_RENDER_QUALITY);
            final int gold = freeColClient.getMyPlayer().getGold();
            String displayString =
                Messages.message(StringTemplate.template("menuBar.statusLine")
                                 .addAmount("%gold%", gold)
                                 .addAmount("%tax%", freeColClient.getMyPlayer().getTax())
                                 .addAmount("%score%", freeColClient.getMyPlayer().getScore())
                                 .addStringTemplate("%year%", freeColClient.getGame().getTurn().getLabel()));
            Rectangle2D displayStringBounds = g2d.getFontMetrics().getStringBounds(displayString, g);
            int y = 15 + getInsets().top;
            g2d.drawString(displayString, getWidth() - 10 - (int) displayStringBounds.getWidth(), y);
        }
    }

}
