/**
 * handleTelevision
 * attempt to find television data via the following (in order)
 * 1- By inetref with subtitle
 * 2- By inetref with season and episode
 * 3- By inetref with season
 * 4- By inetref
 * 5- By title and subtitle
 * 6- By title
 */
MetadataLookupList MetadataDownload::handleTelevision(MetadataLookup *lookup)
{
    MetadataLookupList list;
    MetaGrabberScript grabber =
        MetaGrabberScript::GetGrabber(kGrabberTelevision, lookup);

    // initial search mode
    if (!lookup->GetInetref().isEmpty() && lookup->GetInetref() != "00000000" &&
        (lookup->GetStep() == kLookupSearch || lookup->GetStep() == kLookupData))
    {
        // with inetref
        lookup->SetStep(kLookupData);
        if (!lookup->GetSubtitle().isEmpty())
        {
            list = grabber.SearchSubtitle(lookup->GetInetref(),
                                          lookup->GetTitle() /* unused */,
                                          lookup->GetSubtitle(), lookup, false);
        }

        if (list.isEmpty() && lookup->GetSeason() && lookup->GetEpisode())
        {
            list = grabber.LookupData(lookup->GetInetref(), lookup->GetSeason(),
                                      lookup->GetEpisode(), lookup);
        }

        if (list.isEmpty() && lookup->GetSeasons())
        {
            list = grabber.LookupData(lookup->GetInetref(),
                                      lookup->GetSeason(),
                                      lookup);
        }
        if (list.isEmpty() && !lookup->GetCollectionref().isEmpty())
        {
            list = grabber.LookupCollection(lookup->GetCollectionref(), lookup);
        }
    }
    else if (lookup->GetStep() == kLookupSearch)
    {
        if (lookup->GetTitle().isEmpty())
        {
            // no point searching on nothing...
            return list;
        }
        if (!lookup->GetSubtitle().isEmpty())
        {
            list = grabber.SearchSubtitle(lookup->GetTitle(),
                                          lookup->GetSubtitle(), lookup, false);
        }
        if (list.isEmpty())
        {
            list = grabber.Search(lookup->GetTitle(), lookup);
        }
    }
    else if (lookup->GetStep() == kLookupCollection)
    {
        list = grabber.LookupCollection(lookup->GetCollectionref(), lookup);
    }

    // Collection Fallback
    // If the lookup allows generic metadata, and the specific
    // season and episode are not available, try for series metadata.
    if (list.isEmpty() && !lookup->GetCollectionref().isEmpty() &&
        lookup->GetAllowGeneric() &&
        lookup->GetStep() == kLookupData)
    {
        lookup->SetStep(kLookupCollection);
        list = grabber.LookupCollection(lookup->GetCollectionref(), lookup);
    }

    return list;
}