/*****************************************************************************
 * Copyright (c) 2008 g-Eclipse Consortium 
 * All rights reserved. This program and the accompanying materials
 * are 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
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * 
 * Contributors:
 *    Harald Kornmayer - NEC Laboratories Europe
 *    
 *****************************************************************************/
package eu.geclipse.smila.actions;

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
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 eu.geclipse.aws.ec2.EC2Instance;
import eu.geclipse.aws.ec2.ui.actions.AbstractAWSProjectAction;
import eu.geclipse.core.model.IGridProject;
import eu.geclipse.ui.actions.MountAction;

public class MountSmilaFileConf extends AbstractAWSProjectAction {

	/** The list of AMIs which are selected. */
	private ArrayList<EC2Instance> instanceList;

	/**
	 * Instantiate and initialize the reboot object.
	 */
	public MountSmilaFileConf() {
		this.instanceList = new ArrayList<EC2Instance>();
	}

	@Override
	public void run(final IAction action) {
		if (action.isEnabled()) {

			Job job = new Job("Mount a Grid connection to the instance") { //$NON-NLS-1$

				@Override
				protected IStatus run(final IProgressMonitor monitor) {
					try {
						if (MountSmilaFileConf.this.instanceList.size() == 0) {
							return Status.CANCEL_STATUS;
						}

						for (EC2Instance instance : MountSmilaFileConf.this.instanceList) {

							// extract the hostname from the instance

							String hostname = instance.getHostName();

							String connectionname = "file.xml-" + hostname;

							// For the Connection in the Workspace an IPath is
							// needed
							IGridProject project = instance.getProject();

							IPath path = instance.getProject().getPath()
									.append("Connections").append(
											connectionname);

							try {
								// TODO remove the hardcoded Tomcat path!!
								URI uri = new URI(
										"sftp",
										"root",
										hostname,
										22,
										"/smila/configuration/org.eclipse.smila.connectivity.framework/file.xml",
										null, null);

								MountAction
										.createLocalMount(uri, path, monitor);
								//System.out.println("URI: " + uri);								 
							} catch (URISyntaxException e) {
								// TODO Auto-generated catch block
								e.printStackTrace();
							} catch (CoreException e) {
								// TODO Auto-generated catch block
								e.printStackTrace();
							} 

						}
						return Status.OK_STATUS;

					} finally {
						monitor.done();
					}
				}
			};
			job.setPriority(Job.SHORT);
			job.setUser(true);
			job.schedule();
		}

	}

	public void selectionChanged(final IAction action,
			final ISelection selection) {
		boolean enable = false;
		this.instanceList.clear();

		if (selection instanceof IStructuredSelection) {
			IStructuredSelection structuredSelection = (IStructuredSelection) selection;
			for (Object element : structuredSelection.toList()) {
				if (element instanceof EC2Instance) {
					EC2Instance ec2Instance = (EC2Instance) element;
					this.instanceList.add(ec2Instance);
				}
			}
		}
		if (this.instanceList.size() > 0) {
			enable = true;
		}
		action.setEnabled(enable);

	}

}