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<?php
namespace CirrusSearch\Search;
use BaseSearchResultSet;
use Elastica\Response;
use HtmlArmor;
use ISearchResultSet;
use SearchResultSetTrait;
use Title;
class InterleavedResultSet extends BaseSearchResultSet implements CirrusSearchResultSet, SearchMetricsProvider {
    use SearchResultSetTrait;
    /** @var string[] Doc ID's belonging to team A */
    private $teamA;
    /** @var string[] Doc ID's belonging to team B */
    private $teamB;
    /** @var int Offset to calculate next unused result in team A */
    private $offset;
    /** @var CirrusSearchResultSet */
    private $delegate;
    /** @var CirrusSearchResult[] */
    private $results;
    /**
     * @param CirrusSearchResultSet $nested Original result set for team A (control)
     * @param CirrusSearchResult[] $interleaved Interleaved results
     * @param string[] $teamA Document id's belonging to team A
     * @param string[] $teamB Document id's belonging to team B
     * @param int $offset Offset to calculate next unused result in team A
     */
    public function __construct(
        CirrusSearchResultSet $nested,
        array $interleaved,
        array $teamA,
        array $teamB,
        $offset
    ) {
        $this->results = $interleaved;
        $this->teamA = $teamA;
        $this->teamB = $teamB;
        $this->offset = $offset;
        $this->delegate = $nested;
    }
    public function getMetrics() {
        return [
            'wgCirrusSearchTeamDraft' => [
                'a' => $this->teamA,
                'b' => $this->teamB,
            ],
        ];
    }
    /**
     * @return int|null
     */
    public function getOffset() {
        return $this->offset;
    }
    /**
     * @return CirrusSearchResult[]
     */
    public function extractResults() {
        return $this->results;
    }
    /**
     * @return Response|null
     */
    public function getElasticResponse() {
        return $this->delegate->getElasticResponse();
    }
    /**
     * @return \Elastica\ResultSet|null
     */
    public function getElasticaResultSet() {
        return $this->delegate->getElasticaResultSet();
    }
    /**
     * @param CirrusSearchResultSet $res
     * @param int $type one of searchresultset::* constants
     * @param string $interwiki
     */
    public function addInterwikiResults( CirrusSearchResultSet $res, $type, $interwiki ) {
        $this->delegate->addInterwikiResults( $res, $type, $interwiki );
    }
    /**
     * @param string $newQuery
     * @param HtmlArmor|string|null $newQuerySnippet
     */
    public function setRewrittenQuery( string $newQuery, $newQuerySnippet = null ) {
        $this->delegate->setRewrittenQuery( $newQuery, $newQuerySnippet );
    }
    /**
     * Count elements of an object
     * @link https://php.net/manual/en/countable.count.php
     * @return int The custom count as integer.
     * </p>
     * <p>
     * The return value is cast to an integer.
     * @since 5.1.0
     */
    public function count() {
        return count( $this->results );
    }
    /**
     * @return int
     */
    public function numRows() {
        return $this->count();
    }
    /**
     * Some search modes return a total hit count for the query
     * in the entire article database. This may include pages
     * in namespaces that would not be matched on the given
     * settings.
     *
     * Return null if no total hits number is supported.
     *
     * @return int|null
     */
    public function getTotalHits() {
        return $this->delegate->getTotalHits();
    }
    /**
     * Some search modes will run an alternative query that it thinks gives
     * a better result than the provided search. Returns true if this has
     * occurred.
     *
     * @return bool
     */
    public function hasRewrittenQuery() {
        return $this->delegate->hasRewrittenQuery();
    }
    /**
     * @return string|null The search the query was internally rewritten to,
     *  or null when the result of the original query was returned.
     */
    public function getQueryAfterRewrite() {
        return $this->delegate->getQueryAfterRewrite();
    }
    /**
     * @return string|null Same as self::getQueryAfterRewrite(), but in HTML
     *  and with changes highlighted. Null when the query was not rewritten.
     */
    public function getQueryAfterRewriteSnippet() {
        return $this->delegate->getQueryAfterRewriteSnippet();
    }
    /**
     * Some search modes return a suggested alternate term if there are
     * no exact hits. Returns true if there is one on this set.
     *
     * @return bool
     */
    public function hasSuggestion() {
        return $this->delegate->hasSuggestion();
    }
    /**
     * @return string|null Suggested query, null if none
     */
    public function getSuggestionQuery() {
        return $this->delegate->getSuggestionQuery();
    }
    /**
     * @return string HTML highlighted suggested query, '' if none
     */
    public function getSuggestionSnippet() {
        return $this->delegate->getSuggestionSnippet();
    }
    /**
     * Return a result set of hits on other (multiple) wikis associated with this one
     *
     * @param int $type
     * @return ISearchResultSet[]
     */
    public function getInterwikiResults( $type = self::SECONDARY_RESULTS ) {
        return $this->delegate->getInterwikiResults( $type );
    }
    /**
     * Check if there are results on other wikis
     *
     * @param int $type
     * @return bool
     */
    public function hasInterwikiResults( $type = self::SECONDARY_RESULTS ) {
        return $this->delegate->hasInterwikiResults( $type );
    }
    /**
     * Did the search contain search syntax?  If so, Special:Search won't offer
     * the user a link to a create a page named by the search string because the
     * name would contain the search syntax.
     * @return bool
     */
    public function searchContainedSyntax() {
        return $this->delegate->searchContainedSyntax();
    }
    /**
     * @return bool True when there are more pages of search results available.
     */
    public function hasMoreResults() {
        return $this->delegate->hasMoreResults();
    }
    /**
     * @param int $limit Shrink result set to $limit and flag
     *  if more results are available.
     */
    public function shrink( $limit ) {
        if ( $this->count() > $limit ) {
            $this->results = array_slice( $this->results, 0, $limit );
        }
        $this->delegate->shrink( $limit );
    }
    /**
     * Extract all the titles in the result set.
     * @return Title[]
     */
    public function extractTitles() {
        return $this->delegate->extractTitles();
    }
    /**
     * @param string $suggestionQuery
     * @param HtmlArmor|string|null $suggestionSnippet
     */
    public function setSuggestionQuery( string $suggestionQuery, $suggestionSnippet = null ) {
        $this->delegate->setSuggestionQuery( $suggestionQuery, $suggestionSnippet );
    }
}