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// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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 adwords.axis.v201309.basicoperations;

import com.google.api.ads.adwords.axis.factory.AdWordsServices;
import com.google.api.ads.adwords.axis.v201309.cm.AdGroup;
import com.google.api.ads.adwords.axis.v201309.cm.AdGroupOperation;
import com.google.api.ads.adwords.axis.v201309.cm.AdGroupReturnValue;
import com.google.api.ads.adwords.axis.v201309.cm.AdGroupServiceInterface;
import com.google.api.ads.adwords.axis.v201309.cm.AdGroupStatus;
import com.google.api.ads.adwords.axis.v201309.cm.BiddingStrategyConfiguration;
import com.google.api.ads.adwords.axis.v201309.cm.Bids;
import com.google.api.ads.adwords.axis.v201309.cm.CpcBid;
import com.google.api.ads.adwords.axis.v201309.cm.Money;
import com.google.api.ads.adwords.axis.v201309.cm.Operator;
import com.google.api.ads.adwords.lib.client.AdWordsSession;
import com.google.api.ads.common.lib.auth.OfflineCredentials;
import com.google.api.ads.common.lib.auth.OfflineCredentials.Api;
import com.google.api.client.auth.oauth2.Credential;

/**
 * This example updates status for a given ad group. To get ad groups, run
 * GetAdGroups.java.
 *
 * Credentials and properties in {@code fromFile()} are pulled from the
 * "ads.properties" file. See README for more info.
 *
 * Tags: AdGroupService.mutate
 *
 * @author Kevin Winter
 */
public class UpdateAdGroup {

        public static Long runExample(String name, String status, Long bidAmount,Long adGroupId) throws Exception {
                // Generate a refreshable OAuth2 credential similar to a ClientLogin token
                // and can be used in place of a service account.
                Credential oAuth2Credential = new OfflineCredentials.Builder()
                .forApi(Api.ADWORDS)
                .fromFile()
                .build()
                .generateCredential();

                // Construct an AdWordsSession.
                AdWordsSession session = new AdWordsSession.Builder()
                .fromFile()
                .withOAuth2Credential(oAuth2Credential)
                .build();

                AdWordsServices adWordsServices = new AdWordsServices();
                // Get the AdGroupService.
                AdGroupServiceInterface adGroupService =
                        adWordsServices.get(session, AdGroupServiceInterface.class);

                // Create ad group with updated status.
                AdGroup adGroup = new AdGroup();
                adGroup.setId(adGroupId);
                if(status!=null && !("").equalsIgnoreCase(status)){
                        adGroup.setStatus(AdGroupStatus.fromString(status));
                }
                if(name!=null && !("").equalsIgnoreCase(name)){
                        adGroup.setName(name);
                }
                
                if(bidAmount>-1l){
                        BiddingStrategyConfiguration biddingStrategyConfiguration = new BiddingStrategyConfiguration();
                        CpcBid bid = new CpcBid();
                        bid.setBid(new Money(null, bidAmount));
        
                        biddingStrategyConfiguration.setBids(new Bids[] {bid});
                        adGroup.setBiddingStrategyConfiguration(biddingStrategyConfiguration);
                }
                // Create operations.
                AdGroupOperation operation = new AdGroupOperation();
                operation.setOperand(adGroup);
                operation.setOperator(Operator.SET);

                AdGroupOperation[] operations = new AdGroupOperation[] {operation};
                if((status!=null && !("").equalsIgnoreCase(status)) || (name!=null && !("").equalsIgnoreCase(name)) || (bidAmount>-1l)){
                        // Update ad group.
                        AdGroupReturnValue result = adGroupService.mutate(operations);
                        
                        Long updatedAdGroupId = 0L;
                        // Display ad groups.
                        for (AdGroup adGroupResult : result.getValue()) {
                                System.out.println("Ad group with name \"" + adGroupResult.getName() + "\", id \""
                                                + adGroupResult.getId() + "\", and status \"" + adGroupResult.getStatus()
                                                + "\" was updated.");
                                updatedAdGroupId = adGroupResult.getId();
                        }
                        return updatedAdGroupId;
                }
                return 0l;
        }
}