<?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, $lang, $user;

if (!$mode = (string)$this->request['mode']) {
    $this->ajax_die('invalid mode (empty)');
}

$user_id = (int)$this->request['user_id'];
if (!$user_id or !$u_data = get_userdata($user_id)) {
    $this->ajax_die($lang['NO_USER_ID_SPECIFIED']);
}

if (!IS_ADMIN && $user_id != $user->id) {
    $this->ajax_die($lang['NOT_AUTHORISED']);
}

$new_ext_id = 0;
$response = '';

switch ($mode) {
    case 'delete':
        delete_avatar($user_id, $u_data['avatar_ext_id']);
        $response = get_avatar($user_id, $new_ext_id);
        break;
    default:
        $this->ajax_die('Invalid mode: ' . $mode);
}

DB()->query("UPDATE " . BB_USERS . " SET avatar_ext_id = $new_ext_id WHERE user_id = $user_id LIMIT 1");

\TorrentPier\Sessions::cache_rm_user_sessions($user_id);

$this->response['avatar_html'] = $response;