/*
 * (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;

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

import org.openflexo.foundation.FlexoException;
import org.openflexo.foundation.FlexoModelObject;
import org.openflexo.foundation.cg.CGFile;
import org.openflexo.foundation.cg.GenerationRepository;
import org.openflexo.foundation.cg.generator.GeneratedCopiedFile;
import org.openflexo.foundation.cg.generator.IFlexoResourceGenerator;
import org.openflexo.foundation.rm.FlexoCopiedResource;
import org.openflexo.foundation.rm.FlexoGeneratedResource;
import org.openflexo.foundation.rm.SaveResourceException;
import org.openflexo.foundation.rm.cg.CGRepositoryFileResource;
import org.openflexo.logging.FlexoLogger;

/**
 * @author gpolet
 * 
 */
public class CopiedResourceGenerator<R extends GenerationRepository> extends Generator<FlexoModelObject, R> implements
		IFlexoResourceGenerator {
	private static final Logger logger = FlexoLogger.getLogger(CopiedResourceGenerator.class.getPackage().getName());

	private FlexoCopiedResource copiedResource;

	private Generator<?, R> parent;

	/**
     *
     */
	public CopiedResourceGenerator(FlexoCopiedResource copiedResource, AbstractProjectGenerator<R> projectGenerator, Generator<?, R> parent) {
		super(projectGenerator, null);
		this.parent = parent;
		this.copiedResource = copiedResource;
		generatedCode = new GeneratedCopiedFile(copiedResource.getFile());
	}

	/**
	 * Overrides generate
	 * 
	 * @see org.openflexo.foundation.cg.generator.IFlexoResourceGenerator#generate(boolean)
	 */
	@Override
	public void generate(boolean forceRegenerate) {
		if (forceRegenerate) {
			if (logger.isLoggable(Level.INFO)) {
				logger.info("Called force generate on copied resource");
			}
			if (copiedResource.getResourceToCopy() instanceof FlexoGeneratedResource) {
				try {
					((FlexoGeneratedResource) copiedResource.getResourceToCopy()).generate();
				} catch (SaveResourceException e) {
					e.printStackTrace();
				} catch (FlexoException e) {
					e.printStackTrace();
				}
			}
		}
	}

	/**
	 * Overrides getIdentifier
	 * 
	 * @see org.openflexo.foundation.cg.generator.IFlexoResourceGenerator#getIdentifier()
	 */
	@Override
	public String getIdentifier() {
		return "SCREENSHOT-" + copiedResource.getResourceIdentifier();
	}

	/**
	 * Overrides getMemoryLastGenerationDate
	 * 
	 * @see org.openflexo.foundation.cg.generator.IFlexoResourceGenerator#getMemoryLastGenerationDate()
	 */
	@Override
	public Date getMemoryLastGenerationDate() {
		return copiedResource.getDiskLastModifiedDate();
	}

	/**
	 * Overrides isCodeAlreadyGenerated
	 * 
	 * @see org.openflexo.foundation.cg.generator.IFlexoResourceGenerator#isCodeAlreadyGenerated()
	 */
	@Override
	public boolean isCodeAlreadyGenerated() {
		return true;
	}

	/**
	 * Overrides needsGeneration
	 * 
	 * @see org.openflexo.foundation.cg.generator.IFlexoResourceGenerator#needsGeneration()
	 */
	@Override
	public boolean needsGeneration() {
		return false;
	}

	// Just put this method to satisfy the Interface IFlexoResourceGenerator.
	// but, the TemplateLocator don't exist for copied resources and shouldn't be called.
	// so it returns null.
	@Override
	public TemplateLocator getTemplateLocator() {
		return null;
	}

	@Override
	public void addToGeneratedResourcesGeneratedByThisGenerator(CGRepositoryFileResource<?, ?, ? extends CGFile> resource) {

	}

	@Override
	public void removeFromGeneratedResourcesGeneratedByThisGenerator(CGRepositoryFileResource<?, ?, ? extends CGFile> resource) {

	}

	@Override
	public void silentlyGenerateCode() {
		if (logger.isLoggable(Level.SEVERE)) {
			logger.severe("This operation is not supported!");
		}
	}

	@Override
	public void buildResourcesAndSetGenerators(R repository, Vector<CGRepositoryFileResource> resources) {
		if (parent != null) {
			parent.buildResourcesAndSetGenerators(repository, resources);
		}
	}

	@Override
	public Logger getGeneratorLogger() {
		return null;
	}

}