/*******************************************************************************
 * Copyright (c) 2007 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is made available under the terms of the
 * Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.ide.eclipse.archives.ui.actions;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.jboss.ide.eclipse.archives.core.build.ArchiveBuildDelegate;
import org.jboss.ide.eclipse.archives.core.model.IArchive;
import org.jboss.ide.eclipse.archives.core.model.IArchiveNode;
import org.jboss.ide.eclipse.archives.ui.ArchivesUIMessages;
import org.jboss.ide.eclipse.archives.ui.providers.ArchivesContentProviderDelegate.WrappedProject;

/**
 * Fire off a build of the archives or project / resource selected
 * @author "Rob Stryker" <rob.stryker@redhat.com>
 *
 */
public class BuildAction implements IWorkbenchWindowActionDelegate {
	private Object selected;
	public void dispose() {
	}

	public void init(IWorkbenchWindow window) {
	}

	public void run(IAction action) {
		if( selected != null )
			buildSelectedNode(selected);
	}

	public Job run(Object node) {
		return buildSelectedNode(node);
	}

	public void selectionChanged(IAction action, ISelection selection) {
		if( !selection.isEmpty() && selection instanceof IStructuredSelection ) {
			Object o = ((IStructuredSelection)selection).getFirstElement();
			if(o instanceof WrappedProject )
				o = ((WrappedProject)o).getElement();
			if( o instanceof IAdaptable ) {
				IResource res = (IResource)  ((IAdaptable)o).getAdapter(IResource.class);
				if( res != null ) {
					selected = res.getProject();
				}
			}
			if( o instanceof IArchiveNode )
				selected = o;
			return;
		}
		selected = null;
	}

	private Job buildSelectedNode(final Object selected) {
		Job j = new Job(ArchivesUIMessages.BuildArchivesNode) {
			protected IStatus run(IProgressMonitor monitor) {
				if( selected == null ) return Status.OK_STATUS;
				if( selected instanceof IArchiveNode ) {
					IArchiveNode archive = (IArchiveNode)selected;
					if( archive.getNodeType() != IArchiveNode.TYPE_ARCHIVE) 
						archive = archive.getRootArchive();
					return new ArchiveBuildDelegate().fullArchiveBuild((IArchive)archive, monitor);
				} else if( selected instanceof IProject || selected instanceof WrappedProject ) {
					IProject p = selected instanceof IProject ? (IProject)selected : ((WrappedProject)selected).getElement();
					return new ArchiveBuildDelegate().fullProjectBuild(p.getLocation(), monitor);
				}
				return Status.OK_STATUS;
			}
		};
		j.schedule();
		return j;
	}

}
