fluxcloud/lib/providers/sftp_provider.dart

import 'package:dartssh2/dartssh2.dart';
import 'package:flutter/material.dart';
import 'package:fluxcloud/sftp_worker.dart';

class SftpProvider extends ChangeNotifier {
  final SftpWorker _sftpWorker;

  String _path = '/';
  bool _isLoading = false;
  late List<SftpName> _dirContents;

  final List<SftpName> _selectedFiles = [];

  SftpProvider(this._sftpWorker) {
    listDir();
  }

  SftpWorker get sftpWorker => _sftpWorker;

  String get path => _path;
  bool get isLoading => _isLoading;
  List<SftpName> get dirContents  => _dirContents;
  List<SftpName> get selectedFiles  => _selectedFiles;
  bool get isSelectionMode => _selectedFiles.isNotEmpty;

  Future<void> listDir() async {
    _isLoading = true;
    notifyListeners();
    _dirContents =  await _sftpWorker.listdir(_path);
    _isLoading = false;
    notifyListeners();
  }

  void goToPrevDir() {
    _path = _path.substring(0, _path.length - 1);
    _path = _path.substring(0, _path.lastIndexOf('/')+1);
    listDir();
  }

  void goToDir(String path) {
    _path = path;
    listDir();
  }

  void selectFile(SftpName file) {
    _selectedFiles.add(file);
    notifyListeners();
  }

  void toggleSelection(SftpName file) {
    if (!_selectedFiles.remove(file)) {
      _selectedFiles.add(file);
    }
    notifyListeners();
  }

  void clearSelectedFiles() {
    _selectedFiles.clear();
    notifyListeners();
  }


}