import 'dart:io';

import 'package:flutter/services.dart';

const MethodChannel _downloadsChannel = MethodChannel('nhance/downloads');

Future<int?> androidSdkInt() async {
  if (!Platform.isAndroid) return null;
  try {
    final sdkInt = await _downloadsChannel.invokeMethod<int>('getSdkInt');
    return sdkInt;
  } catch (_) {
    return null;
  }
}

Future<String> savePdfToAndroidDownloads({
  required String fileName,
  required List<int> bytes,
}) async {
  final savedPath = await _downloadsChannel.invokeMethod<String>(
    'saveToDownloads',
    {
      'fileName': fileName,
      'bytes': bytes,
    },
  );
  if (savedPath == null || savedPath.isEmpty) {
    throw const FileSystemException('Unable to save file to Downloads');
  }
  return savedPath;
}

Future<void> openAndroidDownloadedFile(String path) async {
  await _downloadsChannel.invokeMethod<void>('openFile', {'path': path});
}