<?php
/**
 * TorrentPier – Bull-powered BitTorrent tracker engine
 *
 * @copyright Copyright (c) 2005-2025 TorrentPier (https://torrentpier.com)
 * @link      https://github.com/torrentpier/torrentpier for the canonical source repository
 * @license   https://github.com/torrentpier/torrentpier/blob/master/LICENSE MIT License
 */

if (!defined('IN_AJAX')) {
    die(basename(__FILE__));
}

global $bb_cfg, $userdata, $lang;

if (!$bb_cfg['callseed']) {
    $this->ajax_die($lang['MODULE_OFF']);
}

if (!$topic_id = (int)$this->request['topic_id']) {
    $this->ajax_die($lang['INVALID_TOPIC_ID']);
}

if (!$t_data = topic_info($topic_id)) {
    $this->ajax_die($lang['INVALID_TOPIC_ID_DB']);
}

$forum_id = $t_data['forum_id'];

if ($t_data['seeders'] >= 3) {
    $this->ajax_die(sprintf($lang['CALLSEED_HAVE_SEED'], $t_data['seeders']));
} elseif ($t_data['call_seed_time'] >= (TIMENOW - 86400)) {
    $time_left = delta_time($t_data['call_seed_time'] + 86400, TIMENOW, 'days');
    $this->ajax_die(sprintf($lang['CALLSEED_MSG_SPAM'], $time_left));
} elseif (isset($bb_cfg['tor_no_tor_act'][$t_data['tor_status']])) {
    $this->ajax_die($lang['NOT_AVAILABLE']);
}

$banned_users = ($get_banned_users = get_banned_users()) ? (', ' . implode(', ', $get_banned_users)) : '';

$user_list = DB()->fetch_rowset("
	SELECT DISTINCT dl.user_id, u.user_opt, tr.user_id as active_dl
	FROM " . BB_BT_DLSTATUS . " dl
	LEFT JOIN " . BB_USERS . " u  ON(u.user_id = dl.user_id)
	LEFT JOIN " . BB_BT_TRACKER . " tr ON(tr.user_id = dl.user_id)
	WHERE dl.topic_id = $topic_id
		AND dl.user_status IN (" . DL_STATUS_COMPLETE . ", " . DL_STATUS_DOWN . ")
		AND dl.user_id NOT IN ({$userdata['user_id']}, " . EXCLUDED_USERS . $banned_users . ")
		AND u.user_active = 1
	GROUP BY dl.user_id
");

$subject = sprintf($lang['CALLSEED_SUBJECT'], $t_data['topic_title']);
$message = sprintf($lang['CALLSEED_TEXT'], make_url(TOPIC_URL . $topic_id), $t_data['topic_title'], make_url(DL_URL . $t_data['attach_id']));

if ($user_list) {
    foreach ($user_list as $row) {
        if (!empty($row['active_dl'])) {
            continue;
        }

        if (bf($row['user_opt'], 'user_opt', 'user_callseed')) {
            send_pm($row['user_id'], $subject, $message, BOT_UID);
        }
    }
} else {
    send_pm($t_data['poster_id'], $subject, $message, BOT_UID);
}

DB()->query("UPDATE " . BB_BT_TORRENTS . " SET call_seed_time = " . TIMENOW . " WHERE topic_id = $topic_id LIMIT 1");

function topic_info($topic_id)
{
    global $lang;

    $sql = "
		SELECT
			tor.poster_id, tor.forum_id, tor.attach_id, tor.call_seed_time, tor.tor_status,
			t.topic_title, sn.seeders
		FROM      " . BB_BT_TORRENTS . " tor
		LEFT JOIN " . BB_TOPICS . " t  USING(topic_id)
		LEFT JOIN " . BB_BT_TRACKER_SNAP . " sn USING(topic_id)
		WHERE tor.topic_id = $topic_id
	";

    if (!$torrent = DB()->fetch_row($sql)) {
        bb_die($lang['TOPIC_POST_NOT_EXIST'], 404);
    }

    return $torrent;
}

$this->response['response'] = $lang['CALLSEED_MSG_OK'];