/*
 * (c) Copyright 2010-2011 AgileBirds
 *
 * This file is part of OpenFlexo.
 *
 * OpenFlexo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OpenFlexo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
 *
 */
package org.openflexo.view.controller;

import java.io.File;
import java.util.Vector;
import java.util.logging.Logger;

import org.openflexo.foundation.rm.FlexoProject;
import org.openflexo.foundation.rm.FlexoXMLStorageResource;
import org.openflexo.foundation.utils.FlexoProgress;
import org.openflexo.foundation.utils.ProjectLoadingCancelledException;
import org.openflexo.icon.IconLibrary;
import org.openflexo.localization.FlexoLocalization;

public class BasicInteractiveProjectLoadingHandler extends InteractiveProjectLoadingHandler {

	private static final Logger logger = Logger.getLogger(BasicInteractiveProjectLoadingHandler.class.getPackage().getName());

	private boolean alreadyAnswer = false;
	private boolean convertProject = false;
	private File _projectDirectory;

	public BasicInteractiveProjectLoadingHandler(File projectDirectory) {
		super();
		_projectDirectory = projectDirectory;
	}

	private boolean askForProjectConversion() throws ProjectLoadingCancelledException {
		String CONVERT = FlexoLocalization.localizedForKey("convert_project");
		String DONT_CONVERT = FlexoLocalization.localizedForKey("don't_convert_project");
		String CANCEL = FlexoLocalization.localizedForKey("cancel");
		int choice = FlexoController.selectOption(
				"<html><center>"
						+ IconLibrary.UNFIXABLE_WARNING_ICON.getHTMLImg()
						+ "<b> "
						+ FlexoLocalization.localizedForKey("warning")
						+ "</b></center><br>"
						+ "<center>"
						+ _projectDirectory.getName()
						+ "</center><br>"
						+ FlexoLocalization.localizedForKey("this_project_seems_to_have_been_created_with_an_older_version_of_flexo")
						+ "<br>"
						+ FlexoLocalization
								.localizedForKey("would_you_like_to_convert_entire_project_to_new_version_of_flexo_(recommanded)")
						+ "<br></html>", CONVERT, CONVERT, DONT_CONVERT, CANCEL);

		if (choice == 0) { // CONVERT
			alreadyAnswer = true;
			return true;
		} else if (choice == 1) { // DONT_CONVERT
			alreadyAnswer = true;
			return false;
		} else {
			throw new ProjectLoadingCancelledException();
		}
	}

	@Override
	public boolean upgradeResourceToLatestVersion(FlexoXMLStorageResource resource) throws ProjectLoadingCancelledException {
		if (isPerformingAutomaticConversion()) {
			return true;
		}

		if (!alreadyAnswer) {
			convertProject = askForProjectConversion();
		}
		return convertProject;

	}

	@Override
	public boolean useOlderMappingWhenLoadingFailure(FlexoXMLStorageResource resource) throws ProjectLoadingCancelledException {
		return true;
	}

	@Override
	public boolean loadAndConvertAllOldResourcesToLatestVersion(FlexoProject project, FlexoProgress progress)
			throws ProjectLoadingCancelledException {
		Vector<ResourceToConvert> resourcesToConvert = searchResourcesToConvert(project);

		if (resourcesToConvert.size() > 0) {

			if (!alreadyAnswer) {
				convertProject = askForProjectConversion();
			}

			if (convertProject) {
				performConversion(project, resourcesToConvert, progress);
				return true;
			}
		}

		return false;
	}

}