import 'dart:async';

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

part 'save_unit_event.dart';
part 'save_unit_state.dart';

class SaveUnitBloc extends Bloc<SaveUnitEvent, SaveUnitState> {
  SaveUnitBloc() : super(SaveUnitInitial()) {
    on<SaveUnitEvent>((event, emit) async{
      if(event is Save){
        emit(SaveUnitLoading());
        String? errMsg;
        bool succeed = false;
        Unit _currentUnit = event.unit;
        List<Blob> blobList = event.blobs;
        for(int i = 0 ; i<blobList.length;i++){
          blobList[i].lat = currentPosisiton!.latitude.toString();
          blobList[i].long = currentPosisiton!.longitude.toString();
          var result = await DBHelper.database.updateBlob(blobList[i]);
          succeed = (result!=null);
          if(!succeed) {
            i = blobList.length;
            errMsg = "Gagal menyimpan foto unit!";
          }
        }
        if(succeed){
          _currentUnit.timestamp = DateFormat('dd-MM-yyyy HH:mm:ss').format(DateTime.now());
          _currentUnit.flag = 'TRUE';
          var result = await DBHelper.database.updateUnit(_currentUnit);
          succeed = (result!=null);
          if(!succeed) {
            errMsg = "Gagal menyimpan data unit!";
          }
        }
        emit(SaveFinish(msg: errMsg??"Data Saved", success: (errMsg == null)));
      }
    });
  }
}