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// Copyright 2013 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.v201302.adwordsforvideo;

import com.google.api.ads.adwords.axis.factory.AdWordsServices;

import com.google.api.ads.adwords.axis.v201302.cm.Paging;

import com.google.api.ads.adwords.axis.v201302.video.VideoSearchPage;

import com.google.api.ads.adwords.axis.v201302.video.VideoSearchSelector;

import com.google.api.ads.adwords.axis.v201302.video.VideoSearchSelectorSearchType;

import com.google.api.ads.adwords.axis.v201302.video.VideoServiceInterface;

import com.google.api.ads.adwords.axis.v201302.video.YouTubeVideo;

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 illustrates how to find YouTube videos by a search string. It

 * retrieve details for the first 100 matching videos.

 *

 * Credentials and properties in {@code fromFile()} are pulled from the

 * "ads.properties" file. See README for more info.

 *

 * Tags: VideoService.search

 *

 * Category: adx-exclude

 *

 * @author Kevin Winter

 */

public class FindVideos {

  private static final int PAGE_SIZE = 100;

  public static void main(String[] args) 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();

    runExample(adWordsServices, session);

  }

  public static void runExample(AdWordsServices adWordsServices, AdWordsSession session)

      throws Exception {

    // Get the VideoCampaignService.

    VideoServiceInterface videoService = adWordsServices.get(session, VideoServiceInterface.class);

    String queryString = "AdWords API with Java";

    // Create a selector.

    VideoSearchSelector selector = new VideoSearchSelector();

    selector.setSearchType(VideoSearchSelectorSearchType.VIDEO);

    selector.setQuery(queryString);

    selector.setPaging(new Paging(0, PAGE_SIZE));

    // Run the query.

    VideoSearchPage page = videoService.search(selector);

    // Display videos.

    if (page.getTotalNumEntries() > 0) {

      for (YouTubeVideo video : page.getEntries()) {

        System.out.printf(

            "YouTube video ID '%s' with title '%s' found.\n", video.getId(), video.getTitle());

      }

      System.out.printf("\tTotal number of matching videos: %d.\n", page.getTotalNumEntries());

    } else {

      System.out.printf("No videos matching '%s' were found.\n", queryString);

    }

  }

}