import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import 'dart:io';
import 'package:path_provider/path_provider.dart';
import 'package:path/path.dart';
import 'package:unitstocks/main.dart';
import '../../../Utils/keys.dart';

part 'clear_data_event.dart';
part 'clear_data_state.dart';

class ClearDataBloc extends Bloc<ClearDataEvent, ClearDataState> {
  ClearDataBloc() : super(ClearDataInitial()) {
    on<ClearDataEvent>((event, emit) async{
      if(event is ClearDataInit){
        emit(ClearDataLoading());
        try{
          Directory? documentsDirectory = await getExternalStorageDirectory();
          String path = join(documentsDirectory!.path, "UnitStocking.db");
          File db = File(path);
          if(db.existsSync()){
            db.deleteSync();
          }
          await prefs.remove(Keys.lastDownload);
          await prefs.remove(Keys.lastUpload);
          await prefs.remove(Keys.targetProccess);
          await prefs.remove(Keys.submitProccess);
          await prefs.remove(Keys.stockId);
          emit(ClearDataFinish(msg: 'Data Cleared'));
        }
        catch(e){
          emit(ClearDataFinish(cleared: false, msg: 'Failed to delete database file'));
        }
      }
    });
  }
}