import 'dart:typed_data';
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:file_picker/file_picker.dart';
import 'package:open_filex/open_filex.dart';
import 'package:path_provider/path_provider.dart';

Future<void> platformViewPdf(BuildContext context, Uint8List bytes, {required String filename}) async {
  final dir = await getTemporaryDirectory();
  final f = File('${dir.path}/$filename');
  await f.writeAsBytes(bytes);
  await OpenFilex.open(f.path);
}

Future<void> platformDownloadPdf(Uint8List bytes, {required String filename}) async {
  final savePath = await FilePicker.platform.saveFile(
    dialogTitle: 'PDF speichern als',
    fileName: filename,
    type: FileType.custom,
    allowedExtensions: ['pdf'],
    lockParentWindow: true,
  );
  if (savePath == null) return;
  final f = File(savePath);
  await f.writeAsBytes(bytes);
}