package gregpearce.archivorg.network;

import java.util.ArrayList;
import java.util.List;

import javax.inject.Inject;
import javax.inject.Singleton;

import gregpearce.archivorg.Constants;
import gregpearce.archivorg.model.FeedItem;
import gregpearce.archivorg.model.ResultPage;
import gregpearce.archivorg.util.NullUtil;
import rx.Observable;
import timber.log.Timber;

@Singleton
class ArchiveOrgFeedService {
  private ArchiveOrgApiV1 api;

  @Inject ArchiveOrgFeedService(ArchiveOrgApiV1 api) {
    this.api = api;
  }

  public static final String REVIEW_DATE_DESC = "publicdate desc";
  public static final String DOWNLOADS_DESC = "downloads desc";
  public static final String TOP_QUERY = "downloads:[2000 TO 100000000] AND avg_rating:[3 TO 5]";

  public Observable<ResultPage> search(String query, int page, String sort) {
    if (query.isEmpty()) {
      // rather than crashing, just log an error and return no results
      Timber.e(new RuntimeException(), "Search was called with an empty query");
      return Observable.just(ResultPage.create(new ArrayList<>(0), 0, page, true));
    }
    return api.search(query, page, Constants.PAGE_SIZE, sort)
        // retry on network failure 3 times
        .retry(3)
        // map the network response to the domain model
        .map(apiResponse -> {
          FeedResponse.Response response = apiResponse.response;

          List<FeedItem> results = new ArrayList<>();
          for (FeedResponse.Response.Doc doc : response.docs) {
            FeedItem feedItem = FeedItem.create(
                // archive.org data is full of nulls, protect against it where possible
                NullUtil.defaultValue(doc.title),
                NullUtil.defaultValue(doc.description),
                ArchiveOrgUtil.parseDateApiV1(doc.publicdate),
                ArchiveOrgUtil.parseMediaType(doc.mediatype, doc.type)
            );
            results.add(feedItem);
          }

          boolean isLastPage = (response.numFound - response.start) <= Constants.PAGE_SIZE;

          return ResultPage.create(results, response.numFound, page, isLastPage);
        });
  }
}
@@ -706,9 +706,9 @@
 ds:%5B
-2
+1
 000 

Change download threshold on latest to 1000.