package com.atlassian.marketplace.client.model;
   
   import java.net.URI;
   
   import com.atlassian.fugue.Option;
   import com.atlassian.marketplace.client.api.ApplicationKey;
   import com.atlassian.marketplace.client.api.HostingType;
   
   import com.google.common.base.Predicate;
  import com.google.common.collect.ImmutableList;
  
  import org.joda.time.LocalDate;
  
  import static com.atlassian.fugue.Option.none;
  import static com.atlassian.fugue.Option.some;
  import static com.google.common.base.Predicates.equalTo;
  import static com.google.common.collect.Iterables.any;
  
  /**
   * Information about a specific version of a {@link Product}.
   * @since 2.0.0
   */
  public final class ProductVersion
  {
      Links _links;
      Embedded _embedded;
      String name;
      int buildNumber;
      PaymentModel paymentModel;
      LocalDate releaseDate;
      ImmutableList<VersionCompatibility> compatibilities;
  
      public Option<URI> getArtifactUri()
      {
          for (ArtifactInfo a: _embedded.artifact)
          {
              return some(a.getBinaryUri());
          }
          return none();
      }
      
      public Option<URI> getLearnMoreUri()
      {
          return _links.getUri("view");
      }
  
      public Option<URI> getReleaseNotesUri()
      {
          return _links.getUri("releaseNotes");
      }
      
      /**
       * The version string, e.g. "1.0".
       */
      public String getName()
      {
          return name;
      }
      
      /**
       * The unique integer that identifies this version and defines its ordering relative to other versions.
       */
      public int getBuildNumber()
      {
          return buildNumber;
      }
      
      /**
       * Indicates whether the version is free or paid via Atlassian.
       */
      public PaymentModel getPaymentModel()
      {
          return paymentModel;
      }
      
      public LocalDate getReleaseDate()
      {
          return releaseDate;
      }
      
      /**
       * Returns a list of {@link VersionCompatibility} objects representing each of the
       * {@link Application}s the product version is compatible with, and the compatible
       * application version range.
       */
      public Iterable<VersionCompatibility> getCompatibilities()
      {
          return compatibilities;
      }
      
      public boolean isCompatibleWith(final ApplicationKey application, final HostingType hosting, final int buildNumber)
      {
          return any(compatibilities, new Predicate<VersionCompatibility>()
          {
              public boolean apply(VersionCompatibility vc)
              {
                  return vc.isCompatibleWith(equalTo(application), hosting, buildNumber);
              }
          });
     }
     
     static final class Embedded
     {
         Option<ArtifactInfo> artifact;
     }
 }