/*
 * Copyright (C) 2003-2008 eXo Platform SAS.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Affero 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 org.exoplatform.services.deployment.plugins;

import java.io.InputStream;
import java.util.Iterator;

import javax.jcr.ImportUUIDBehavior;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.Session;
import javax.jcr.query.Query;
import javax.jcr.query.QueryManager;

import org.exoplatform.container.configuration.ConfigurationManager;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.container.xml.ObjectParameter;
import org.exoplatform.services.deployment.DeploymentDescriptor;
import org.exoplatform.services.deployment.DeploymentPlugin;
import org.exoplatform.services.jcr.RepositoryService;
import org.exoplatform.services.jcr.core.ManageableRepository;
import org.exoplatform.services.jcr.ext.common.SessionProvider;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;

/**
 * Created by The eXo Platform SAS
 * Author : Hoa Pham
 * hoa.pham@exoplatform.com
 * Sep 6, 2008
 */
public class XMLDeploymentPlugin extends DeploymentPlugin {

  /** The init params. */
  private InitParams initParams;
  
  /** The configuration manager. */
  private ConfigurationManager configurationManager;
  
  /** The repository service. */
  private RepositoryService repositoryService;
  
  /** The log. */
  private Log log = ExoLogger.getLogger(this.getClass());

  /**
   * Instantiates a new xML deployment plugin.
   * 
   * @param initParams the init params
   * @param configurationManager the configuration manager
   * @param repositoryService the repository service
   * @param publicationService the publication service
   */
  public XMLDeploymentPlugin(InitParams initParams, ConfigurationManager configurationManager, RepositoryService repositoryService) {
    this.initParams = initParams;
    this.configurationManager = configurationManager;
    this.repositoryService = repositoryService;
  }

  /* (non-Javadoc)
   * @see org.exoplatform.services.deployment.DeploymentPlugin#deploy(org.exoplatform.services.jcr.ext.common.SessionProvider)
   */
  @SuppressWarnings("unchecked")
  public void deploy(SessionProvider sessionProvider) throws Exception {
    Iterator iterator = initParams.getObjectParamIterator();    
    while(iterator.hasNext()) {
      ObjectParameter objectParameter = (ObjectParameter)iterator.next();
      DeploymentDescriptor deploymentDescriptor = (DeploymentDescriptor)objectParameter.getObject();
      String sourcePath = deploymentDescriptor.getSourcePath();
      // sourcePath should start with: war:/, jar:/, classpath:/, file:/
      Boolean cleanupPublication = deploymentDescriptor.getCleanupPublication();

      InputStream inputStream = configurationManager.getInputStream(sourcePath);
      ManageableRepository repository = repositoryService.getRepository(deploymentDescriptor.getTarget().getRepository());
      Session session = sessionProvider.getSession(deploymentDescriptor.getTarget().getWorkspace(), repository);
      session.importXML(deploymentDescriptor.getTarget().getNodePath(), inputStream, ImportUUIDBehavior.IMPORT_UUID_CREATE_NEW );
      
      if (cleanupPublication) {
    	  /**
    	   * This code allows to cleanup the publication lifecycle in the target folder after importing the data.
    	   * By using this, the publication live revision property will be re-initialized and the content will be set as published directly.
    	   * Thus, the content will be visible in front side.
    	   */
    	  	QueryManager manager = session.getWorkspace().getQueryManager();
    	  	String statement = "select * from nt:base where jcr:path LIKE '"+deploymentDescriptor.getTarget().getNodePath()+"/%'";
    		Query query = manager.createQuery(statement.toString(), Query.SQL);
  		    NodeIterator iter = query.execute().getNodes();
  		    while (iter.hasNext()) {
  		    	Node node = iter.nextNode();
  		    	if (node.hasProperty("publication:liveRevision") && node.hasProperty("publication:currentState")) {
  	  		    	log.info("\""+node.getName()+"\" publication lifecycle has been cleaned up");
  		    		node.setProperty("publication:liveRevision", "");
  		    		node.setProperty("publication:currentState", "published");
  		    	}
  		    	
  		    }

      }
      
      session.save();
      session.logout();
      if(log.isInfoEnabled()) {
        log.info(deploymentDescriptor.getSourcePath() + " is deployed succesfully into "+deploymentDescriptor.getTarget().getNodePath());
      }
    }   
  }
}
