/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2006-2016
 *
 * 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.
 */
package org.glite.security.voms.admin.service;

import java.rmi.RemoteException;
import java.util.List;

import org.glite.security.voms.VOMSException;
import org.glite.security.voms.admin.configuration.VOMSConfiguration;
import org.glite.security.voms.admin.operations.groups.ListMemberNamesOperation;
import org.glite.security.voms.admin.persistence.error.NoSuchGroupException;
import org.glite.security.voms.admin.persistence.error.NoSuchRoleException;
import org.glite.security.voms.service.compatibility.VOMSCompatibility;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class VomsCompatibilityService implements VOMSCompatibility {

  private static final Logger log = LoggerFactory
    .getLogger(VomsCompatibilityService.class);

  public int getMajorVersionNumber() throws RemoteException {

    // TODO Auto-generated method stub
    return 2;
  }

  public int getMinorVersionNumber() throws RemoteException {

    // TODO Auto-generated method stub
    return 0;
  }

  public int getPatchVersionNumber() throws RemoteException {

    // TODO Auto-generated method stub
    return 0;
  }

  public String[] getGridmapUsers() throws RemoteException, VOMSException {

    log.info("getGridmapUsers();");

    try {

      String voName = VOMSConfiguration.instance().getVOName();
      List<String> members = (List<String>) ListMemberNamesOperation
        .instance("/" + voName)
        .execute();

      
      
      if (VOMSConfiguration.instance().getBoolean(
        "voms.mkgridmap.translate_dn_email_format", false))
        members = ServiceUtils.decorateDNList((List<String>) members);

      return ServiceUtils.toStringArray(members);

    } catch (RuntimeException e) {

      ServiceExceptionHelper.handleServiceException(log, e);
      throw e;
    }

  }

  public String[] getGridmapUsers(String container) throws RemoteException,
    VOMSException {

    log.info("getGridmapUsers(" + container + ");");
    try {

      List members = (List) ListMemberNamesOperation.instance(container)
        .execute();

      if (VOMSConfiguration.instance().getBoolean(
        "voms.mkgridmap.translate_dn_email_format", false))
        members = ServiceUtils.decorateDNList((List<String>) members);

      return ServiceUtils.toStringArray(members);

    } catch (NoSuchRoleException e) {

      log.warn("Role '{}' is not defined for this VO.", container);
      return null;

    } catch (NoSuchGroupException e) {

      log.warn("Group '{}' is not defined for this VO.", container);
      return null;

    } catch (RuntimeException e) {

      ServiceExceptionHelper.handleServiceException(log, e);
      throw e;
    }

  }

}