<?php
authorize();

if (!check_perms('forums_polls_moderate')) {
    error(403,true);
}
if    (!isset($_POST['topicid']) || !is_number($_POST['topicid'])) {
    error(0,true);
}
$TopicID = $_POST['topicid'];

//Currently serves as a Featured Toggle
if (!list($Question,$Answers,$Votes,$Featured,$Closed) = $Cache->get_value('polls_'.$TopicID)) {
    $DB->query("
        SELECT Question, Answers, Featured, Closed
        FROM forums_polls
        WHERE TopicID='".$TopicID."'");
    list($Question, $Answers, $Featured, $Closed) = $DB->next_record(MYSQLI_NUM, [1]);
    if ($Featured == '') {
        $Featured = null;
    }
    $Answers = unserialize($Answers);
    $DB->query("
        SELECT Vote, COUNT(UserID)
        FROM forums_polls_votes
        WHERE TopicID = '$TopicID'
            AND Vote != '0'
        GROUP BY Vote");
    $VoteArray = $DB->to_array(false, MYSQLI_NUM);

    $Votes = [];
    foreach ($VoteArray as $VoteSet) {
        list($Key,$Value) = $VoteSet;
        $Votes[$Key] = $Value;
    }

    for ($i = 1, $il = count($Answers); $i <= $il; ++$i) {
        if (!isset($Votes[$i])) {
            $Votes[$i] = 0;
        }
    }
}

if (isset($_POST['feature'])) {
    if (!$Featured) {
        $Featured = sqltime();
        $Cache->cache_value('polls_featured',$TopicID,0);
        $DB->prepared_query("
            UPDATE forums_polls
            SET Featured = ?
            WHERE TopicID = ?
            ", $Featured, $TopicID
        );
    }
}

if (isset($_POST['close'])) {
    $Closed = !$Closed;
    $DB->query('
        UPDATE forums_polls
        SET Closed=\''.$Closed.'\'
        WHERE TopicID=\''.$TopicID.'\'');
}

$Cache->cache_value('polls_'.$TopicID, [$Question,$Answers,$Votes,$Featured,$Closed], 0);

$Location = (empty($_SERVER['HTTP_REFERER'])) ? "forums.php?action=viewthread&threadid={$TopicID}" : $_SERVER['HTTP_REFERER'];
header("Location: {$Location}");