/*******************************************************************************
 * Copyright (c) 2008 IONA Technologies PLC
 * 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:
 * IONA Technologies PLC - initial API and implementation
 *******************************************************************************/
package org.eclipse.jst.ws.internal.cxf.creation.core.commands;

import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
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.jst.ws.internal.cxf.core.CXFCorePlugin;
import org.eclipse.jst.ws.internal.cxf.core.model.WSDL2JavaDataModel;
import org.eclipse.jst.ws.internal.cxf.creation.core.CXFCreationCoreMessages;
import org.eclipse.wst.common.environment.StatusException;
import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelOperation;

/**
 * This is stop gap workaround for bugs <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=243286">#243286</a>
 * and <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=243290">#243290</a>
 * 
 * @author sclarke
 *
 */
public class WSDL2JavaProjectSelectionCommand extends AbstractDataModelOperation {
	private WSDL2JavaDataModel model;
	private IProject initialProject;
	private IProject serverProject;
	private IProject currentProject;
	
	public WSDL2JavaProjectSelectionCommand(WSDL2JavaDataModel model) {
		this.model = model;
	}
	
	@Override
	public IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
		IStatus status = Status.OK_STATUS;

		if (currentProject == null && initialProject == null && serverProject != null) {
			status = Status.OK_STATUS;
			model.setProjectName(serverProject.getName());
			return status;
		}
		
		if (currentProject == null && initialProject != null && !initialProject.equals(serverProject)) {
			status = new Status(IStatus.WARNING, CXFCorePlugin.PLUGIN_ID, CXFCreationCoreMessages.bind(
					CXFCreationCoreMessages.WSDL2JAVA_PROJECT_SELECTION_ERROR, new Object[]{
							serverProject.getName(), initialProject.getName()}));
		} else if (initialProject == null && currentProject != null && !currentProject.equals(serverProject)) { 
            status = new Status(IStatus.WARNING, CXFCorePlugin.PLUGIN_ID, CXFCreationCoreMessages.bind(
                    CXFCreationCoreMessages.WSDL2JAVA_PROJECT_SELECTION_ERROR, new Object[]{
                            serverProject.getName(), currentProject.getName()}));
		} else if (initialProject != null && currentProject != null && !currentProject.equals(serverProject)) {
            status = new Status(IStatus.WARNING, CXFCorePlugin.PLUGIN_ID, CXFCreationCoreMessages.bind(
                    CXFCreationCoreMessages.WSDL2JAVA_PROJECT_SELECTION_ERROR, new Object[]{
                            serverProject.getName(), currentProject.getName()}));
		} else { 
		    model.setProjectName(serverProject.getProject().getName());
			status = Status.OK_STATUS;
		}
		
		if (!status.isOK()) {
			try {
				getEnvironment().getStatusHandler().report(status);
			} catch (StatusException e) {
				return new Status(IStatus.ERROR, CXFCorePlugin.PLUGIN_ID, 0, "", null);
			}
		}
		return status;
	}
	
	/*
	 * The value to test against. Make sure the "Service Project"
	 * and the project that contains the wsdl file match.
	 */
	public void setServerProject(IProject serverProject) {
		this.serverProject = serverProject;
	}
	
	/*
	 * 
	 * The initial project will be null when there's nothing selected in the project explorer
	 * This forces the user to make a selection thus setting the project current project
	 * below.
	 * 
	 * If there was an initial selection and the user changes from one top down service
	 * type to another then we had to check.
	 */
	public void setInitialProject(IProject project) {
		this.initialProject = project;
	}
	
	/*
	 * If there was an initial selection in the project explorer the above value is set and
	 * this is set to null.
	 * 
	 * This will change however if the user modifies the text field or browses for a
	 * wsdl file. Upon selecting a file in a valid location, this value gets set.
	 * No problem in that situation.
	 */
	public void setProject(IProject project) {
	    this.currentProject = project;
    }

}