<?php

use MintyPHP\Service\UserAvatarService;
use MintyPHP\Service\UserService;
use MintyPHP\Service\TenantScopeService;
use MintyPHP\Support\Guard;

Guard::requireLogin();

$uuid = trim((string) ($_GET['uuid'] ?? ''));
$size = isset($_GET['size']) ? (int) $_GET['size'] : null;
if (!UserAvatarService::isValidUuid($uuid)) {
    http_response_code(404);
    return;
}

$currentUserId = (int) ($_SESSION['user']['id'] ?? 0);
$user = $uuid !== '' ? UserService::findByUuid($uuid) : null;
$userId = (int) ($user['id'] ?? 0);
if ($userId > 0 && $currentUserId !== $userId && !TenantScopeService::canAccess('users', $userId, $currentUserId)) {
    http_response_code(403);
    return;
}

$path = UserAvatarService::findAvatarPath($uuid, $size);
if (!$path || !is_file($path)) {
    http_response_code(404);
    return;
}

$mime = UserAvatarService::detectMime($path);
header('Content-Type: ' . $mime);
header('X-Content-Type-Options: nosniff');
header('Content-Security-Policy: sandbox');
header('Cache-Control: private, max-age=300');
header('Content-Length: ' . filesize($path));
readfile($path);