/*******************************************************************************
 * Copyright (c) 2012, 2016 PDT Extension Group and others.
 * 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
 *
 * Contributors:
 *     PDT Extension Group - initial API and implementation
 *******************************************************************************/
package org.eclipse.php.composer.ui.handler;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.php.composer.api.ComposerConstants;
import org.eclipse.php.composer.core.facet.FacetManager;
import org.eclipse.php.composer.core.log.Logger;
import org.eclipse.php.composer.ui.editor.composer.ComposerFormEditor;
import org.eclipse.php.core.project.ProjectOptions;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.part.FileEditorInput;

public class AddComposerSupportHandler extends AbstractHandler {

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();
		IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);

		if (selection instanceof IStructuredSelection) {
			Object item = ((IStructuredSelection) selection).getFirstElement();

			if (item instanceof IAdaptable) {
				IAdaptable adaptable = (IAdaptable) item;
				IProject project = ((IResource) adaptable.getAdapter(IResource.class)).getProject();

				FacetManager.installFacets(project, ProjectOptions.getDefaultPHPVersion(), null);

				if (window != null) {
					IFile composerJson = project.getFile(ComposerConstants.COMPOSER_JSON);
					try {
						window.getActivePage().openEditor(new FileEditorInput(composerJson), ComposerFormEditor.ID);
					} catch (PartInitException e) {
						Logger.logException(e);
					}
				}
			}
		}

		return null;
	}

}