/*=============================================================================#
 # Copyright (c) 2005-2016 Stephan Wahlbrink (WalWare.de) 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:
 #     Stephan Wahlbrink - initial API and implementation
 #=============================================================================*/

package de.walware.statet.r.internal.ui.wizards;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.ui.dialogs.WizardNewProjectCreationPage;
import org.eclipse.ui.dialogs.WizardNewProjectReferencePage;

import de.walware.ecommons.ui.util.DialogUtil;

import de.walware.statet.ext.ui.wizards.NewElementWizard;
import de.walware.statet.ext.ui.wizards.StatetWizardsMessages;

import de.walware.statet.r.core.RProjects;
import de.walware.statet.r.internal.ui.RUIPlugin;
import de.walware.statet.r.ui.RUI;


public class NewRProjectWizard extends NewElementWizard {
	
	
	private WizardNewProjectCreationPage fFirstPage;
	private WizardNewProjectReferencePage fReferencePage;
	
	private ProjectCreator fNewRProject;
	
	
	public NewRProjectWizard() {
		setDialogSettings(DialogUtil.getDialogSettings(RUIPlugin.getDefault(), "NewElementWizard")); //$NON-NLS-1$
		setDefaultPageImageDescriptor(RUI.getImageDescriptor(RUIPlugin.IMG_WIZBAN_NEW_RPROJECT));
		setWindowTitle(Messages.NewRProjectWizard_title);
	}
	
	@Override
	public void addPages() {
		super.addPages();
		fFirstPage = new NewRProjectWizardPage(getSelection(), null);
		addPage(fFirstPage);
		
		// only add page if there are already projects in the workspace
		if (ResourcesPlugin.getWorkspace().getRoot().getProjects().length > 0) {
			fReferencePage = new WizardNewProjectReferencePage("BasicProjectReferencePage"); //$NON-NLS-1$
			fReferencePage.setTitle(StatetWizardsMessages.NewProjectReferencePage_title);
			fReferencePage.setDescription(StatetWizardsMessages.NewProjectReferencePage_description);
			addPage(fReferencePage);
		}
		
	}
	
//	protected ISchedulingRule getSchedulingRule() { // root-rule required to change project description
	
	@Override
	public boolean performFinish() {
		fNewRProject = new ProjectCreator(
				fFirstPage.getProjectName(),
				(fFirstPage.useDefaults()) ? null : fFirstPage.getLocationPath(),
				(fReferencePage != null) ? fReferencePage.getReferencedProjects() : null,
				fFirstPage.getSelectedWorkingSets()
				) {
			@Override
			protected void doConfigProject(final IProject project, final IProgressMonitor monitor) throws CoreException {
				RProjects.setupRProject(fNewRProject.getProjectHandle(), monitor);
			}
		};
		
		final boolean result = super.performFinish();
		
		if (result && fNewRProject.getProjectHandle() != null) {
			updatePerspective();
			selectAndReveal(fNewRProject.getProjectHandle());
		}
		
		return result;
	}
	
	@Override
	protected void doFinish(final IProgressMonitor monitor) throws InterruptedException, CoreException, InvocationTargetException {
		try {
			monitor.beginTask("Create new R project...", 1000); //$NON-NLS-1$
			fNewRProject.createProject(new SubProgressMonitor(monitor, 1000) );
//			fFirstPage.saveSettings();
		}
		finally {
			monitor.done();
		}
	}
	
}