<?php
/*
 * You may not change or alter any portion of this comment or credits
 * of supporting developers from this source code or any supporting source code
 * which is considered copyrighted (c) material of the original comment or credit authors.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */

/**
 * @copyright      {@link https://xoops.org/ XOOPS Project}
 * @license        {@link http://www.gnu.org/licenses/gpl-2.0.html GNU GPL 2 or later}
 * @package
 * @since
 * @author         XOOPS Development Team
 */

// defined('XOOPS_ROOT_PATH') || exit('Restricted access.');

/**
 * @param $queryarray
 * @param $andor
 * @param $limit
 * @param $offset
 * @param $userid
 *
 * @return array
 */
function news_search($queryarray, $andor, $limit, $offset, $userid)
{
    global $xoopsDB, $xoopsUser;
    require_once XOOPS_ROOT_PATH . '/modules/news/class/utility.php';
    $restricted = NewsUtility::getModuleOption('restrictindex');
    $highlight  = false;
    $highlight  = NewsUtility::getModuleOption('keywordshighlight'); // keywords highlighting

    /** @var XoopsModuleHandler $moduleHandler */
    $moduleHandler = xoops_getHandler('module');
    $module        = $moduleHandler->getByDirname('news');
    $modid         = $module->getVar('mid');
    $searchparam   = '';

    $gpermHandler = xoops_getHandler('groupperm');
    if (is_object($xoopsUser)) {
        $groups = $xoopsUser->getGroups();
    } else {
        $groups = XOOPS_GROUP_ANONYMOUS;
    }

    $sql = 'SELECT storyid, topicid, uid, title, created FROM ' . $xoopsDB->prefix('news_stories') . ' WHERE (published>0 AND published<=' . time() . ') AND (expired = 0 OR expired > ' . time() . ') ';

    if (0 != $userid) {
        $sql .= ' AND uid=' . $userid . ' ';
    }
    // because count() returns 1 even if a supplied variable
    // is not an array, we must check if $querryarray is really an array
    if (is_array($queryarray) && $count = count($queryarray)) {
        $sql .= " AND ((hometext LIKE '%$queryarray[0]%' OR bodytext LIKE '%$queryarray[0]%' OR title LIKE '%$queryarray[0]%' OR keywords LIKE '%$queryarray[0]%' OR description LIKE '%$queryarray[0]%')";
        for ($i = 1; $i < $count; ++$i) {
            $sql .= " $andor ";
            $sql .= "(hometext LIKE '%$queryarray[$i]%' OR bodytext LIKE '%$queryarray[$i]%' OR title LIKE '%$queryarray[$i]%' OR keywords LIKE '%$queryarray[$i]%' OR description LIKE '%$queryarray[$i]%')";
        }
        $sql .= ') ';
        // keywords highlighting
        if ($highlight) {
            $searchparam = '&keywords=' . urlencode(trim(implode(' ', $queryarray)));
        }
    }

    $sql    .= 'ORDER BY created DESC';
    $result = $xoopsDB->query($sql, $limit, $offset);
    $ret    = [];
    $i      = 0;
    while ($myrow = $xoopsDB->fetchArray($result)) {
        $display = true;
        if ($modid && $gpermHandler) {
            if ($restricted && !$gpermHandler->checkRight('news_view', $myrow['topicid'], $groups, $modid)) {
                $display = false;
            }
        }

        if ($display) {
            $ret[$i]['image'] = 'assets/images/news.png';
            $ret[$i]['link']  = 'article.php?storyid=' . $myrow['storyid'] . '' . $searchparam;
            $ret[$i]['title'] = $myrow['title'];
            $ret[$i]['time']  = $myrow['created'];
            $ret[$i]['uid']   = $myrow['uid'];
            ++$i;
        }
    }

    require_once XOOPS_ROOT_PATH . '/modules/news/config.php';
    $searchincomments = $cfg['config_search_comments'];

    if ($searchincomments && (isset($limit) && $i <= $limit)) {
        require_once XOOPS_ROOT_PATH . '/include/comment_constants.php';
        $ind = $i;
        $sql = 'SELECT com_id, com_modid, com_itemid, com_created, com_uid, com_title, com_text, com_status FROM ' . $xoopsDB->prefix('xoopscomments') . " WHERE (com_id>0) AND (com_modid=$modid) AND (com_status=" . XOOPS_COMMENT_ACTIVE . ') ';
        if (0 != $userid) {
            $sql .= ' AND com_uid=' . $userid . ' ';
        }

        if (is_array($queryarray) && $count = count($queryarray)) {
            $sql .= " AND ((com_title LIKE '%$queryarray[0]%' OR com_text LIKE '%$queryarray[0]%')";
            for ($i = 1; $i < $count; ++$i) {
                $sql .= " $andor ";
                $sql .= "(com_title LIKE '%$queryarray[$i]%' OR com_text LIKE '%$queryarray[$i]%')";
            }
            $sql .= ') ';
        }
        $i      = $ind;
        $sql    .= 'ORDER BY com_created DESC';
        $result = $xoopsDB->query($sql, $limit, $offset);
        while ($myrow = $xoopsDB->fetchArray($result)) {
            $display = true;
            if ($modid && $gpermHandler) {
                if ($restricted && !$gpermHandler->checkRight('news_view', $myrow['com_itemid'], $groups, $modid)) {
                    $display = false;
                }
            }
            if ($i + 1 > $limit) {
                $display = false;
            }

            if ($display) {
                $ret[$i]['image'] = 'assets/images/news.png';
                $ret[$i]['link']  = 'article.php?storyid=' . $myrow['com_itemid'] . '' . $searchparam;
                $ret[$i]['title'] = $myrow['com_title'];
                $ret[$i]['time']  = $myrow['com_created'];
                $ret[$i]['uid']   = $myrow['com_uid'];
                ++$i;
            }
        }
    }

    return $ret;
}
