/*
    * Copyright (C) 2013 Room Work eXperience
    *
    * This program 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.
    *
    * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  package net.rwx.maven.asciidoc.services.impl;
  
  import com.google.inject.Inject;
  import net.rwx.maven.asciidoc.configuration.Document;
  import net.rwx.maven.asciidoc.backends.Backend;
  import net.rwx.maven.asciidoc.backends.BackendService;
  import net.rwx.maven.asciidoc.backends.AsciidocBackendTransformation;
  import net.rwx.maven.asciidoc.services.AsciidocService;
  import net.rwx.maven.asciidoc.services.FopService;
  import net.rwx.maven.asciidoc.services.ServiceOrchestrator;
  import net.rwx.maven.asciidoc.services.TransformationService;
  import net.rwx.maven.asciidoc.utils.FileUtils;
  import org.apache.maven.plugin.logging.Log;
  
  /**
   *
   * @author Arnaud Fonce <arnaud.fonce@r-w-x.net>
   */
  public class ServiceOrchestratorImpl implements ServiceOrchestrator {
      
      private Log logger;
      
      @Inject
      private BackendService backendService;
      
      @Inject
      private AsciidocService asciidocService;
      
      @Inject
      private TransformationService transformationService;
      
      @Inject
      private FopService fopService;
      
      @Override
      public void execute( Document document ) {
          try {
              processDocument( document );
          } catch ( Exception ex ) {
              logger.error( "Unable to compile a document", ex );
          }
      }
      
      private void processDocument( Document document ) throws Exception {
          logger.info( String.format( "Starting Asciidoc compilation for document [%s]", document.getTitle() ) );
          
          String backendName = document.getBackend();
          Backend backend = backendService.getBackend( backendName );
  
          String input = document.getPath();
          asciidocService.execute( input, document, backend );
          transformationService.execute( asciidocService.getOuputPath(), document, backend );
          fopService.execute( transformationService.getOuputPath(), document, backend);
          
          FileUtils.moveFileToDirectory( fopService.getOuputPath(), document.getOutputPath() );
      }
      
      @Override
      public void setLogger( Log logger ) {
          this.logger = logger;
          asciidocService.setLogger( logger );
          transformationService.setLogger( logger );
          fopService.setLogger( logger );
      }
  }