import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import '../../../Model/unit.dart';
import '../../../Utils/db_helper.dart';


part 'list_unit_event.dart';
part 'list_unit_state.dart';

class ListUnitBloc extends Bloc<ListUnitEvent, ListUnitState> {
  ListUnitBloc() : super(ListUnitInitial()) {
    on<ListUnitEvent>((event, emit) async {
      if(event is ListUnit){
        emit(ListUnitLoading());
        List<Unit> units = [];
        List<Blob?> blobs = [];
        try{
          await DBHelper.database.closeDb();
          if(event.search != null && event.search != ""){
            units = await DBHelper.database.searchAllUnits(event.search!.toUpperCase(),inserted: event.completed);
          }
          else{
            units = await DBHelper.database.getAllUnits(inserted: event.completed);
          }
          for (int i = 0;i<units.length;i++){
            blobs.add((units[i].mesin!=null)?await DBHelper.database.getThumbnail(units[i].mesin):null);
          }
          emit(ListUnitFinish(units: units,blobs: blobs));
        }
        catch(e){
          emit(ListUnitError(err: e.toString()));
        }
      }
    });
  }
}