/**
 * 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.operations.search;

import org.glite.security.voms.admin.configuration.VOMSConfiguration;
import org.glite.security.voms.admin.configuration.VOMSConfigurationConstants;
import org.glite.security.voms.admin.error.VOMSException;
import org.glite.security.voms.admin.operations.BaseVoReadOperation;
import org.glite.security.voms.admin.operations.groups.SearchGroupsOperation;
import org.glite.security.voms.admin.operations.groups.SearchMembersOperation;
import org.glite.security.voms.admin.operations.roles.SearchRolesOperation;
import org.glite.security.voms.admin.operations.users.SearchUserAttributesOperation;
import org.glite.security.voms.admin.operations.users.SearchUsersOperation;
import org.glite.security.voms.admin.view.actions.SearchData;

public class BaseSearchOperation extends BaseVoReadOperation implements
  SearchOperation {

  SearchData searchData;

  int userMaxResults = VOMSConfiguration.instance().getInt(
    VOMSConfigurationConstants.USER_MAX_RESULTS_PER_PAGE, 15);
  int groupMaxResults = VOMSConfiguration.instance().getInt(
    VOMSConfigurationConstants.GROUP_MAX_RESULTS_PER_PAGE, 15);
  int roleMaxResults = VOMSConfiguration.instance().getInt(
    VOMSConfigurationConstants.ROLE_MAX_RESULTS_PER_PAGE, 15);
  int attributeMaxResults = VOMSConfiguration.instance().getInt(
    VOMSConfigurationConstants.ATTRIBUTES_MAX_RESULTS_PER_PAGE, 15);

  protected BaseSearchOperation(SearchData sd) {

    setSearchData(sd);
  }

  @Override
  protected Object doExecute() {

    // Default search is user search
    if (searchData == null)
      return SearchUsersOperation.instance(null, 0, userMaxResults).execute();
    else {

      String searchType = searchData.getType().toLowerCase();

      if (searchData.getText() != null
        && searchData.getText().trim().equals(""))
        searchData.setText(null);

      if (searchData.getMaxResults() == 0)
        searchData.setMaxResults(userMaxResults);

      if (searchType.equals("user"))
        return SearchUsersOperation.instance(searchData.getText(),
          searchData.getFirstResult(), searchData.getMaxResults()).execute();
      else if (searchType.equals("group"))
        return SearchGroupsOperation.instance(searchData.getText(),
          searchData.getFirstResult(), groupMaxResults).execute();
      else if (searchType.equals("role"))
        return SearchRolesOperation.instance(searchData.getText(),
          searchData.getFirstResult(), groupMaxResults).execute();
      else if (searchType.equals("attribute"))
        return SearchUserAttributesOperation.instance(searchData.getText(),
          searchData.getFirstResult(), groupMaxResults).execute();
      else if (searchType.equals("group-member")
        || searchType.equals("role-member"))
        return SearchMembersOperation.instance(searchData).execute();
      else
        throw new VOMSException("Unsupported search type '"
          + searchData.getType() + "'");

    }
  }

  public SearchData getSearchData() {

    return searchData;
  }

  public void setSearchData(SearchData data) {

    searchData = data;

  }

  public static SearchOperation instance(SearchData sd) {

    return new BaseSearchOperation(sd);
  }
}