/*
 * (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.generator.bpel;

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

import org.openflexo.foundation.bpel.BPELModelException;
import org.openflexo.foundation.bpel.BPELWriter;
import org.openflexo.foundation.cg.CGRepository;
import org.openflexo.foundation.cg.CGSymbolicDirectory;
import org.openflexo.foundation.cg.generator.GeneratedTextResource;
import org.openflexo.foundation.rm.ResourceType;
import org.openflexo.foundation.rm.cg.CGRepositoryFileResource;
import org.openflexo.foundation.wkf.FlexoProcess;
import org.openflexo.generator.ProjectGenerator;
import org.openflexo.generator.exception.GenerationException;
import org.openflexo.generator.exception.UnexpectedExceptionOccuredException;
import org.openflexo.generator.rm.GeneratedFileResourceFactory;
import org.openflexo.generator.utils.MetaFileGenerator;
import org.openflexo.localization.FlexoLocalization;
import org.openflexo.toolbox.FileFormat;
import org.openflexo.toolbox.ToolBox;

public class BPELFileGenerator extends MetaFileGenerator {
	private static final String IDENTIFIER = "BPEL_FILE";

	public BPELFileGenerator(ProjectGenerator projectGenerator) {
		super(projectGenerator, FileFormat.BPEL, ResourceType.BPEL, ToolBox.cleanStringForJava(projectGenerator.getProject()
				.getProjectName()) + ".bpel", IDENTIFIER + "_" + ToolBox.cleanStringForJava(projectGenerator.getProject().getProjectName()));
	}

	@Override
	public Logger getGeneratorLogger() {
		return getProjectGenerator().getGeneratorLogger();
	}

	@Override
	public void generate(boolean forceRegenerate) {
		if (!forceRegenerate && !needsGeneration()) {
			return;
		}
		try {
			refreshSecondaryProgressWindow(FlexoLocalization.localizedForKey("generating") + " " + getIdentifier(), false);
			startGeneration();
			// if (logger.isLoggable(Level.INFO))
			// logger.info("Generating "+getFileName());
			if (this.getProject().getRootFlexoProcess() == null) {
				throw new BPELModelException("No process defined for project");
			}

			FlexoProcess toTranslate = null;
			for (FlexoProcess p : this.getProject().getAllLocalFlexoProcesses()) {
				if (p.getPortRegistery().getAllPorts().size() >= 1 && !p.getIsWebService()) {
					toTranslate = p;
				}
			}

			BPELWriter writer = getProjectGenerator().getInstance(toTranslate, true);
			String leCodeBPELQuOnDoitGenerer = writer.write();
			generatedCode = new GeneratedTextResource(getFileName(), leCodeBPELQuOnDoitGenerer);
			stopGeneration();
			getGeneratorLogger().info(
					"The generation of the BPEL process " + this.getProject().getRootFlexoProcess().getName()
							+ " has been successfully performed.");
		} catch (BPELModelException e) {
			setGenerationException(new GenerationException(e.getMessage()));
		} catch (Exception e) {
			e.printStackTrace();
			setGenerationException(new UnexpectedExceptionOccuredException(e, getProjectGenerator()));
		}
	}

	private BPELFileResource bpelFileResource;

	@Override
	public void buildResourcesAndSetGenerators(CGRepository repository, Vector<CGRepositoryFileResource> resources) {
		bpelFileResource = (BPELFileResource) resourceForKeyWithCGFile(ResourceType.BPEL,
				BPELFileResource.nameForRepositoryAndIdentifier(repository, getIdentifier()));
		if (bpelFileResource == null) {
			bpelFileResource = GeneratedFileResourceFactory.createBPELFileResource(repository, this);
			// logger.info("Created BPEL resource "+bpelFileResource.getName());
		} else {
			bpelFileResource.setGenerator(this);
			// logger.info("Successfully retrieved BPEL resource "+bpelFileResource.getName());
		}
		bpelFileResource.setFileType(ResourceType.BPEL);
		bpelFileResource.registerObserverWhenRequired();
		resources.add(bpelFileResource);
		textResource = bpelFileResource;
	}

	@Override
	public String getRelativePath() {
		return "";
	}

	@Override
	public CGSymbolicDirectory getSymbolicDirectory(CGRepository repository) {
		return repository.getProjectSymbolicDirectory();
	}

}