// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.offerings.dao;


import java.util.List;

import javax.ejb.Local;

import com.cloud.exception.UnsupportedServiceException;
import com.cloud.network.NetworkServiceMapVO;
import com.cloud.network.Network.Service;
import com.cloud.network.Network.Provider;
import com.cloud.offerings.NetworkOfferingServiceMapVO;
import com.cloud.offerings.NetworkOfferingVO;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.GenericSearchBuilder;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.SearchCriteria.Func;

@Local(value=NetworkOfferingServiceMapDao.class) @DB(txn=false)
public class NetworkOfferingServiceMapDaoImpl extends GenericDaoBase<NetworkOfferingServiceMapVO, Long> implements NetworkOfferingServiceMapDao {

	final SearchBuilder<NetworkOfferingServiceMapVO> AllFieldsSearch;
    final SearchBuilder<NetworkOfferingServiceMapVO> MultipleServicesSearch;
    final GenericSearchBuilder<NetworkOfferingServiceMapVO, String> ProvidersSearch;
    final GenericSearchBuilder<NetworkOfferingServiceMapVO, String> ServicesSearch;
    
    protected NetworkOfferingServiceMapDaoImpl() {
        super();
        AllFieldsSearch = createSearchBuilder();
        AllFieldsSearch.and("networkOfferingId", AllFieldsSearch.entity().getNetworkOfferingId(), SearchCriteria.Op.EQ);
        AllFieldsSearch.and("service", AllFieldsSearch.entity().getService(), SearchCriteria.Op.EQ);
        AllFieldsSearch.and("provider", AllFieldsSearch.entity().getProvider(), SearchCriteria.Op.EQ);
        AllFieldsSearch.done();
        
        MultipleServicesSearch = createSearchBuilder();
        MultipleServicesSearch.and("networkOfferingId", MultipleServicesSearch.entity().getNetworkOfferingId(), SearchCriteria.Op.EQ);
        MultipleServicesSearch.and("service", MultipleServicesSearch.entity().getService(), SearchCriteria.Op.IN);
        MultipleServicesSearch.and("provider", MultipleServicesSearch.entity().getProvider(), SearchCriteria.Op.EQ);
        MultipleServicesSearch.done();
        
        ProvidersSearch = createSearchBuilder(String.class);
        ProvidersSearch.and("networkOfferingId", ProvidersSearch.entity().getNetworkOfferingId(), SearchCriteria.Op.EQ);
        ProvidersSearch.and("service", ProvidersSearch.entity().getService(), SearchCriteria.Op.EQ);
        ProvidersSearch.select(null, Func.DISTINCT, ProvidersSearch.entity().getProvider());
        ProvidersSearch.done();
        
        ServicesSearch = createSearchBuilder(String.class);
        ServicesSearch.and("networkOfferingId", ServicesSearch.entity().getNetworkOfferingId(), SearchCriteria.Op.EQ);
        ServicesSearch.select(null, Func.DISTINCT, ServicesSearch.entity().getService());
        ServicesSearch.done();
    }
    
    @Override
    public boolean areServicesSupportedByNetworkOffering(long networkOfferingId, Service... services) {
        SearchCriteria<NetworkOfferingServiceMapVO> sc = MultipleServicesSearch.create();
        sc.setParameters("networkOfferingId", networkOfferingId);
        
        if (services != null) {
            String[] servicesStr = new String[services.length];
            
            int i = 0;
            for (Service service : services) {
                servicesStr[i] = service.getName();
                i++;
            }
            
            sc.setParameters("service", (Object[])servicesStr);
        }
        
        List<NetworkOfferingServiceMapVO> offeringServices = listBy(sc);
        
        if (services != null) {
            if (offeringServices.size() == services.length) {
                return true;
            }
        } else if (!offeringServices.isEmpty()) {
            return true;
        }
        
        return false;
    }
 
    @Override
    public List<NetworkOfferingServiceMapVO> listByNetworkOfferingId(long networkOfferingId) {
        SearchCriteria<NetworkOfferingServiceMapVO> sc = AllFieldsSearch.create();
        sc.setParameters("networkOfferingId", networkOfferingId);
        return listBy(sc);
    }
    
    @Override
    public void deleteByOfferingId(long networkOfferingId) {
        SearchCriteria<NetworkOfferingServiceMapVO> sc = AllFieldsSearch.create();
        sc.setParameters("networkOfferingId", networkOfferingId);
        remove(sc);
    }
    
    @Override
    public List<String> listProvidersForServiceForNetworkOffering(long networkOfferingId, Service service) {
    	SearchCriteria<String> sc = ProvidersSearch.create();;
    	
        sc.setParameters("networkOfferingId", networkOfferingId);
        sc.setParameters("service", service.getName());
        
        return customSearch(sc, null);
    }

    @Override
    public boolean isProviderForNetworkOffering(long networkOfferingId, Provider provider) {
    	SearchCriteria<NetworkOfferingServiceMapVO> sc = AllFieldsSearch.create();;
    	
        sc.setParameters("networkOfferingId", networkOfferingId);
        sc.setParameters("provider", provider.getName());
        
        if (findOneBy(sc) != null) {
            return true;
        }
        return false;
    }
    
    @Override
    public List<String> listServicesForNetworkOffering(long networkOfferingId) {
    	SearchCriteria<String> sc = ServicesSearch.create();;
        sc.setParameters("networkOfferingId", networkOfferingId);
        return customSearch(sc, null);
    }
    
    @Override
	public NetworkOfferingServiceMapVO persist(
			NetworkOfferingServiceMapVO entity) {
        SearchCriteria<NetworkOfferingServiceMapVO> sc = AllFieldsSearch.create();
        sc.setParameters("networkOfferingId", entity.getNetworkOfferingId());
        sc.setParameters("service", entity.getService());
        sc.setParameters("provider", entity.getProvider());
        NetworkOfferingServiceMapVO mappingInDb = findOneBy(sc);
        return mappingInDb!=null? mappingInDb : super.persist(entity); 
	}
    
}