<?php
/**
 * GET /api/hub/files/info.php
 *
 * Get file metadata by ID.
 *
 * Query params:
 *   FileID  int  REQUIRED
 *
 * Response: { OK: true, File: { ... } }
 */

require_once __DIR__ . '/../../helpers.php';

if ($_SERVER['REQUEST_METHOD'] !== 'GET') {
    jsonResponse(['OK' => false, 'ERROR' => 'method_not_allowed'], 405);
}

$fileId = (int) ($_GET['FileID'] ?? 0);
if ($fileId <= 0) jsonResponse(['OK' => false, 'ERROR' => 'file_id_required']);

$record = queryOne("SELECT * FROM Hub_Files WHERE ID = ?", [$fileId]);
if (!$record) jsonResponse(['OK' => false, 'ERROR' => 'file_not_found']);

jsonResponse([
    'OK' => true,
    'File' => [
        'ID'              => (int) $record['ID'],
        'MessageID'       => $record['MessageID'] ? (int) $record['MessageID'] : null,
        'ChannelID'       => (int) $record['ChannelID'],
        'UploaderAddress' => $record['UploaderAddress'],
        'FileName'        => $record['FileName'],
        'FileSize'        => (int) $record['FileSize'],
        'MimeType'        => $record['MimeType'],
        'DownloadURL'     => baseUrl() . '/' . $record['StoragePath'],
        'ThumbnailURL'    => $record['ThumbnailPath'] ? baseUrl() . '/' . $record['ThumbnailPath'] : null,
        'CreatedAt'       => toISO8601($record['CreatedAt']),
    ],
]);