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/***********************************************************************************************************************
 *
 * blueBill Mobile - Android - open source birding
 * Copyright (C) 2009-2011 by Tidalwave s.a.s. (http://www.tidalwave.it)
 *
 ***********************************************************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations under the License.
 *
 ***********************************************************************************************************************
 *
 * WWW: http://bluebill.tidalwave.it/mobile
 * SCM: https://java.net/hg/bluebill-mobile~android-src
 *
 **********************************************************************************************************************/
package it.tidalwave.bluebill.factsheet.impl;

import javax.annotation.Nonnull;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import javax.inject.Provider;
import org.openrdf.model.Graph;
import it.tidalwave.netbeans.util.Locator;
import it.tidalwave.semantic.io.GraphDeserializer;
import it.tidalwave.semantic.io.MimeTypes;
import it.tidalwave.semantic.io.impl.DefaultGraphDeserializer;
import it.tidalwave.bluebill.factsheet.GraphProvider;
import it.tidalwave.bluebill.taxonomy.mobile.Taxon;
import it.tidalwave.mobile.asset.SmartAssetManager;
import lombok.Cleanup;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;

/***********************************************************************************************************************
 *
 * @author  Fabrizio Giudici
 * @version $Id$
 *
 **********************************************************************************************************************/
@RequiredArgsConstructor @Slf4j
public class DefaultGraphProvider implements GraphProvider
  {
    @Nonnull
    private final Taxon taxon;

    private final Provider createProviderFor = Locator.createProviderFor(SmartAssetManager.class);

    /*******************************************************************************************************************
     *
     *
     ******************************************************************************************************************/
    @Nonnull
    public Graph getGraph()
      throws IOException
      {
        log.info("getGraph()");
        final String resourceName = taxon.getId().stringValue().replaceAll(":", "_") + ".n3";
        log.info(">>>> resourceName: {}", resourceName);

        final File file = createProviderFor.get().findAsset("factsheets.zip");
        log.info(">>>> zip file: {}", file);
        final @Cleanup ZipFile zipFile = new ZipFile(file);
        final ZipEntry entry = zipFile.getEntry(resourceName);
        final @Cleanup InputStream is = zipFile.getInputStream(entry);

        return loadGraph(is, MimeTypes.MIME_N3);
      }

    /*******************************************************************************************************************
     *
     *
     ******************************************************************************************************************/
    @Nonnull
    protected Graph loadGraph (final @Nonnull InputStream is, final @Nonnull String mimeType)
      throws IOException
      {
        try
          {
            final GraphDeserializer deserializer = new DefaultGraphDeserializer();
            return deserializer.read(is, mimeType);
          }
        catch (Exception e)
          {
            throw new IOException(e.toString()); // Java 5 / Android compatibility
          }
      }
  }