/* 
 * JBoss, Home of Professional Open Source 
 * Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @author tags. All rights reserved. 
 * See the copyright.txt in the distribution for a 
 * full listing of individual contributors.
 *
 * This copyrighted material is made available to anyone wishing to use, 
 * modify, copy, or redistribute it subject to the terms and conditions 
 * of the GNU Lesser General Public License, v. 2.1. 
 * This program is distributed in the hope that it will be useful, but WITHOUT A 
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details. 
 * You should have received a copy of the GNU Lesser General Public License, 
 * v.2.1 along with this distribution; if not, write to the Free Software 
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 
 * MA  02110-1301, USA.
 */
package org.jboss.as.console.client.teiid.runtime;

import org.jboss.as.console.client.Console;
import org.jboss.as.console.client.core.DisposableViewImpl;
import org.jboss.as.console.client.layout.SimpleLayout;
import org.jboss.as.console.client.shared.runtime.Metric;
import org.jboss.as.console.client.shared.runtime.Sampler;
import org.jboss.as.console.client.shared.runtime.charts.Column;
import org.jboss.as.console.client.shared.runtime.charts.NumberColumn;
import org.jboss.as.console.client.shared.runtime.plain.PlainColumnView;
import org.jboss.as.console.client.teiid.model.EngineStatistics;
import org.jboss.ballroom.client.widgets.tools.ToolButton;
import org.jboss.ballroom.client.widgets.tools.ToolStrip;

import com.google.gwt.dom.client.Style;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.Widget;

@SuppressWarnings("nls")
public class TeiidView extends DisposableViewImpl implements TeiidPresenter.MyView {
	private TeiidPresenter presenter;
	private Sampler sampler;
	
	
    @Override
    public void setPresenter(TeiidPresenter presenter) {
        this.presenter = presenter;
    }

	@Override
	public Widget createWidget() {
        final ToolStrip toolStrip = new ToolStrip();
        toolStrip.addToolButtonRight(new ToolButton(Console.CONSTANTS.common_label_refresh(), new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                presenter.getEngineStatistics();
            }
        }));
        
        NumberColumn sessionCount = new NumberColumn("session-count","Session Count");
        NumberColumn memoryInuse = new NumberColumn("total-memory-inuse-kb","Memory in Use(KB)");
        NumberColumn memoryInActivePlans = new NumberColumn("total-memory-inuse-active-plans-kb","Memory Used By Active Plans(KB)");
        NumberColumn diskReadCount = new NumberColumn("buffermgr-disk-read-count","Buffer Disk Reads");
        NumberColumn diskWriteCount = new NumberColumn("buffermgr-disk-write-count","Buffer Disk Writes");
        NumberColumn cacheReadCount = new NumberColumn("buffermgr-cache-read-count","Buffer Cache Reads");
        NumberColumn cacheWriteCount = new NumberColumn("buffermgr-cache-write-count","Buffer Cache Writes");
        NumberColumn spaceUsed = new NumberColumn("buffermgr-diskspace-used-mb","Disk Space In Use(MB)");
        NumberColumn activePlanCount = new NumberColumn("active-plans-count","Active Plan Count");
        NumberColumn waitingPlanCount = new NumberColumn("waiting-plans-count","Waiting Plan Count");
        NumberColumn maxWaitPlanTime = new NumberColumn("max-waitplan-watermark","Maximum Plans Waiting Water Mark");

        Column[] cols = new Column[] {
        		sessionCount,
        		memoryInuse,
        		memoryInActivePlans,
        		diskReadCount,
        		diskWriteCount,
        		cacheReadCount,
        		cacheWriteCount,
        		spaceUsed,
        		activePlanCount,
        		waitingPlanCount,
        		maxWaitPlanTime
        };

        sampler = new PlainColumnView("", null)
                .setColumns(cols)
                .setWidth(100, Style.Unit.PCT);		
		
		SimpleLayout layout = new SimpleLayout().setTitle("Teiid")
				.setHeadline("Teiid Metrics")
				.setTopLevelTools(toolStrip.asWidget())
				.setDescription("Metrics for teiid subsystem")
				.addContent("Teiid Metrics", sampler.asWidget());

        return layout.build();	
	}

	@Override
	public void setEngineStatistics(EngineStatistics stats) {
		Metric metric = new Metric(stats.getSessionCount(),
				stats.getTotalMemoryInUse(),
				stats.getTotalMemoryInUseByActivePlans(),
				stats.getBufferManagerDiskReadCount(),
				stats.getBufferManagerDiskWriteCount(),
				stats.getBufferManagerCacheReadCount(),
				stats.getBufferManagerCacheWriteCount(),
				stats.getBufferManagerDiskUsed(),
				stats.getActivePlansCount(),
				stats.getWaitingPlansCount(),
				stats.getMaxWaitPlanWatermark());
        sampler.addSample(metric);
	}
}
