import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import '../../../Utils/keys.dart';
import 'package:unitstocks/main.dart';
import '../../../Utils/db_helper.dart';
import '../../../Model/unit.dart';
part 'load_state_event.dart';
part 'load_state_state.dart';

class LoadStateBloc extends Bloc<LoadStateEvent, LoadStateState> {
  LoadStateBloc() : super(LoadStateInitial()) {
    on<LoadStateEvent>( (event, emit)async {
        if(event is LoadState){
          emit(StateLoading());
          if(prefs.getString(Keys.lastDownload)== null){
            emit(LoadFailed(err: "Tarik data terlebih dahulu!"));
          }
          else{
            String company = prefs.getString(Keys.company);
            if(prefs.getString(Keys.stockId) == null)
            {
              var value = await DBHelper.database.getValue(Keys.stockId);
              if(value != null)await prefs.setString(Keys.stockId, value.value);
            }
            String stock_taking_id = prefs.getString(Keys.stockId);
            if(prefs.getString(Keys.backupStockId) == null) prefs.setString(Keys.backupStockId,stock_taking_id);
            if(company!=null&&stock_taking_id!=null){
              var result = await util.JsonDataPostRaw({"company":company,"stockTakingId":stock_taking_id}, '${prefs.getString(Keys.hostAddress)}/stock_taking/state/');
              if(result['STATUS']==1){
                emit(LoadSuccess(state: result['DATA']));
              }
            }
            else{
              emit(LoadFailed(err: "Error mengecek state Stoking Unit."));
            }
          }
        }
    });
  }
}