<?PHP
/**
 * Contains class NodaIDGetter.
 *
 * @author Joshua Ramon Enslin <joshua@museum-digital.de>
 */
declare(strict_types = 1);

/**
 * Contains static functions for getting IDs for noda entries by various means.
 */
final class NodaIDGetter {

    /**
     * Returns persinst ID by entry in persinst name rewriting table.
     *
     * @param MDMysqli $mysqli_noda Database connection.
     * @param string   $lang        Language to check in.
     * @param string   $name        Name of the persinst to search for.
     *
     * @return integer
     */
    public static function getPersinstIDByRewrite(MDMysqli $mysqli_noda, string $lang, string $name):int {

        if (empty($name)) return 0;

        $persinstRewriteResult = $mysqli_noda->query_by_stmt("
            SELECT `persinst_id`
            FROM `persinst_rewriting`
            WHERE `language` = ?
                AND `input_name` = ?
            LIMIT 1", "ss", $lang, $name);

        if ($persinstRewriteData = $persinstRewriteResult->fetch_row()) {
            $output = $persinstRewriteData[0];
        }
        else $output = 0;

        $persinstRewriteResult->close();
        $persinstRewriteResult = null;

        return $output;

    }

    /**
     * Returns persinst ID by entry in persinst translations table.
     *
     * @param MDMysqli $mysqli_noda Database connection.
     * @param string   $lang        Language to check in.
     * @param string   $name        Name of the persinst to search for.
     *
     * @return integer
     */
    public static function getPersinstIDByTransName(MDMysqli $mysqli_noda, string $lang, string $name):int {

        if (empty($name)) return 0;

        $persinstByTLNameResult = $mysqli_noda->query_by_stmt("
            SELECT `persinst_id`
            FROM `persinst_translation`
            WHERE `trans_name` = ?
                AND `trans_language` = ?
            LIMIT 2", "ss", $name, $lang);

        if ($persinstByTlData = $persinstByTLNameResult->fetch_row()) {
            $output = $persinstByTlData[0];
        }
        else $output = 0;

        $persinstByTLNameResult->close();
        $persinstByTLNameResult = null;

        return $output;

    }

    /**
     * Returns place ID by entry in place name rewriting table.
     *
     * @param MDMysqli $mysqli_noda Database connection.
     * @param string   $lang        Language to check in.
     * @param string   $name        Name of the place to search for.
     *
     * @return integer
     */
    public static function getPlaceIDByRewrite(MDMysqli $mysqli_noda, string $lang, string $name):int {

        if (empty($name)) return 0;

        $placeRewriteResult = $mysqli_noda->query_by_stmt("
            SELECT `ort_id`
            FROM `ort_rewriting`
            WHERE `language` = ?
                AND `input_name` = ?
            LIMIT 1", "ss", $lang, $name);

        if ($placeRewriteData = $placeRewriteResult->fetch_row()) {
            $output = $placeRewriteData[0];
        }
        else $output = 0;

        $placeRewriteResult->close();
        $placeRewriteResult = null;

        return $output;

    }

    /**
     * Returns place ID by entry in place translations table.
     *
     * @param MDMysqli $mysqli_noda Database connection.
     * @param string   $lang        Language to check in.
     * @param string   $name        Name of the place to search for.
     *
     * @return integer
     */
    public static function getPlaceIDByTransName(MDMysqli $mysqli_noda, string $lang, string $name):int {

        if (empty($name)) return 0;

        $placeByTLNameResult = $mysqli_noda->query_by_stmt("
            SELECT `ort_id`
            FROM `ort_translation`
            WHERE `trans_name` = ?
                AND `trans_language` = ?
            LIMIT 2", "ss", $name, $lang);

        if ($placeByTlData = $placeByTLNameResult->fetch_row()) {
            $output = $placeByTlData[0];
        }
        else $output = 0;

        $placeByTLNameResult->close();
        $placeByTLNameResult = null;

        return $output;

    }

    /**
     * Returns tag ID by entry in tag name rewriting table.
     *
     * @param MDMysqli $mysqli_noda Database connection.
     * @param string   $lang        Language to check in.
     * @param string   $name        Name of the tag to search for.
     *
     * @return integer
     */
    public static function getTagIDByRewrite(MDMysqli $mysqli_noda, string $lang, string $name):int {

        if (empty($name)) return 0;

        $tagRewriteResult = $mysqli_noda->query_by_stmt("
            SELECT `tag_id`
            FROM `tag_rewriting`
            WHERE `tag_language` = ?
                AND `input_name` = ?
            LIMIT 1", "ss", $lang, $name);

        if ($tagRewriteData = $tagRewriteResult->fetch_row()) {
            $output = $tagRewriteData[0];
        }
        else $output = 0;

        $tagRewriteResult->close();
        $tagRewriteResult = null;

        return $output;

    }

}