import 'dart:async';

import 'package:bloc/bloc.dart';
import 'package:equatable/equatable.dart';
import '../../../Utils/keys.dart';
import '../../../Model/unit.dart';
import '../../../Utils/db_helper.dart';
import 'package:unitstocks/main.dart';
import 'package:intl/intl.dart';
import '../../../Utils/download_upload_handler.dart';
part 'get_unit_event.dart';
part 'get_unit_state.dart';

class GetUnitBloc extends Bloc<GetUnitEvent, GetUnitState> {
  GetUnitBloc() : super(GetUnitInitial()) {
    on<GetUnitEvent>((event, emit) async {
      if(event is GetUnitInit){
        if(prefs.getString(Keys.cabangId) != null && prefs.getString(Keys.company) != null){
          emit(GetUnitLoading(percent: 0.0));
          file_Trans_Handler trans = new file_Trans_Handler();
          trans.downloadFile('UnitStocking.db',"${prefs.getString(Keys.hostAddress)}/stock_taking/get_units/${prefs.getString(Keys.company)}/${prefs.getString(Keys.cabangId)}");
          await for (double? value in await trans.progress){
            if(value != null){
              emit(GetUnitLoading(percent:value));
              if(value >= 1.0) {
                await prefs.setString(Keys.lastDownload, DateTime.now().toIso8601String());
                await DBHelper.database.insertUpdateValue(Value(name: 'TGL_START',value: DateFormat('dd-MM-yyyy HH:mm:ss').format(DateTime.parse(DateTime.now().toIso8601String()))));
                await DBHelper.database.insertUpdateValue(Value(name: 'TGL_STOCK_TAKING',value: DateFormat('dd-MM-yyyy').format(DateTime.parse(DateTime.now().toIso8601String()))));
                await DBHelper.database.closeDb();
                emit(GetUnitFinish(respond: 'Data terdownload'));
              }
              if(value==-1.0){
                emit(GetUnitFinish(respond: 'Data download gagal',success: false));
              }
            }
          }
        }
        else{
          emit(GetUnitFinish(respond: 'Belum ada cabang yang dipilih!',success: false));
        }
      }
    });
  }
}