<?php
require_once __DIR__ . '/auth.php';
admin_require_auth();

header('Content-Type: application/json; charset=utf-8');

$url = normalize_media_url($_GET['url'] ?? '');
if ($url === '') {
    echo json_encode(['ok' => false, 'error' => 'Enter a valid http:// or https:// URL.']);
    exit;
}

$metadata = media_external_metadata($url);
$has_info = $metadata['title'] !== ''
    || $metadata['description'] !== ''
    || $metadata['thumbnail_url'] !== ''
    || (int)$metadata['duration'] > 0
    || (int)$metadata['view_count'] > 0;

echo json_encode([
    'ok' => $has_info,
    'error' => $has_info ? '' : 'No readable media metadata was found for that URL.',
    'metadata' => $metadata,
]);