/*******************************************************************************
 * Copyright (c) 2009, 2010 Progress Software Corporation.
 * 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
 ******************************************************************************/
package org.fusesource.tools.messaging;

import java.util.HashSet;
import java.util.Map;
import java.util.SortedSet;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExecutableExtension;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.dialogs.WizardNewProjectCreationPage;
import org.eclipse.ui.wizards.newresource.BasicNewProjectResourceWizard;
import org.eclipse.ui.wizards.newresource.BasicNewResourceWizard;
import org.eclipse.wst.common.project.facet.core.IFacetedProjectWorkingCopy;
import org.eclipse.wst.common.project.facet.core.IProjectFacet;
import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
import org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard;
import org.fusesource.tools.messaging.server.MessagingServersUtil;

/**
 * Customized wizard to create a Messaging Project
 */
public class MsgFacetedProjectWizard extends ModifyFacetedProjectWizard implements INewWizard, IExecutableExtension {
    private MsgProjectCreationPage fusePrjCreationPage;
    private HashSet<IProjectFacet> fixedFacets = null;
    private IWorkbench workbench;
    private IConfigurationElement configElement;

    public MsgFacetedProjectWizard() {
        setWindowTitle("New Messaging Project");
    }

    protected void createProjectCreationPage() {
        fusePrjCreationPage = new MsgProjectCreationPage("message.owl.project.create");
    }

    public IWizardPage getProjectCreationPage() {
        return fusePrjCreationPage;
    }

    protected String getProjectName() {
        return fusePrjCreationPage.getProjectName();
    }

    protected IPath getProjectLocation() {
        return fusePrjCreationPage.getLocationPath();
    }

    @Override
    public void addPages() {
        setShowFacetsSelectionPage(false);
        if (this.fixedFacets == null) {
            final IFacetedProjectWorkingCopy fpjwc = getFacetedProjectWorkingCopy();

            // set the list of facets that are fixed and cannot be removed from
            // the project
            Map<IProjectFacet, SortedSet<IProjectFacetVersion>> facets = fpjwc.getAvailableFacets();
            this.fixedFacets = new HashSet<IProjectFacet>();
            for (IProjectFacet type : facets.keySet()) {
                if (type.getId().equals("message.owl.facet")) {
                    this.fixedFacets.add(type);
                }
            }
            fpjwc.setFixedProjectFacets(fixedFacets);
        }

        createProjectCreationPage();
        addPage(fusePrjCreationPage);
        super.addPages();
    }

    @Override
    public IWizardPage[] getPages() {
        final IWizardPage[] base = super.getPages();
        final IWizardPage[] pages = new IWizardPage[base.length + 1];

        pages[0] = fusePrjCreationPage;
        System.arraycopy(base, 0, pages, 1, base.length);

        return pages;
    }

    @Override
    public IWizardPage getNextPage(final IWizardPage page) {
        if (page == fusePrjCreationPage) {
            final IFacetedProjectWorkingCopy fpjwc = getFacetedProjectWorkingCopy();
            fpjwc.setProjectName(getProjectName());
            if (((WizardNewProjectCreationPage) page).useDefaults()) {
                fpjwc.setProjectLocation(null);
            } else {
                fpjwc.setProjectLocation(getProjectLocation());
            }
        }

        return super.getNextPage(page);
    }

    @Override
    public boolean canFinish() {
        return fusePrjCreationPage.validate() && super.canFinish();
    }

    public void init(IWorkbench arg0, IStructuredSelection arg1) {
        workbench = arg0;
    }

    public void setInitializationData(IConfigurationElement arg0, String arg1, Object arg2) throws CoreException {
        configElement = arg0;
    }

    public String getSelectedServerId() {
        return fusePrjCreationPage.getSelectedServerId();
    }

    @Override
    public boolean performFinish() {
        super.performFinish();
        IProject project = getFacetedProjectWorkingCopy().getProject();
        try {
            MessagingServersUtil.deployModule(project, getSelectedServerId());
        } catch (CoreException e) {
            e.printStackTrace();
        }

        BasicNewProjectResourceWizard.updatePerspective(configElement);
        BasicNewResourceWizard.selectAndReveal(project, workbench.getActiveWorkbenchWindow());

        return true;
    }
}