import 'dart:async';

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



part 'upload_event.dart';
part 'upload_state.dart';

class UploadBloc extends Bloc<UploadEvent, UploadState> {
  UploadBloc() : super(UploadInitial()) {
    on<UploadEvent>((event, emit) async{
      if(event is Upload){
        emit(UploadLoading());
        if(await prefs.getString(Keys.lastDownload)!=null){
          var unitsInserted = await DBHelper.database.getAllUnits(inserted: true);
          if(unitsInserted.isNotEmpty){
            await DBHelper.database.insertUpdateValue(Value(name: 'TGL_SELESAI',value: DateFormat('dd-MM-yyyy HH:mm:ss').format(new DateTime.now())));
            await DBHelper.database.closeDb();
            file_Trans_Handler trans = new file_Trans_Handler();
            bool popped = false;
            // util.showLoading(event.context,onwillpop:()async{
            //   await trans.cancel();
            //   popped = true;
            //   return true;
            // },dissmissable: true);
            util.showLoading(event.context);
            var upload = await trans.uploadFile('UnitStocking.db',"${prefs.getString(Keys.hostAddress)}/stock_taking/upload/",prefs.getString(Keys.company),prefs.getString(Keys.cabangId));
            if(!popped){
              Navigator.pop(event.context);
              if(upload['STATUS']==1){
                prefs.setString(Keys.lastUpload, DateTime.now().toIso8601String());
                prefs.setString(Keys.targetProccess, upload[Keys.targetProccess]);
                emit(const UploadFinish(msg: "Upload selesai!"));
              }
              else{
                emit(UploadFinish(success: false,msg: upload['DATA']));
              }
            }
          }
          else{
            emit(UploadFinish(success: false,msg: "Belum ada data yang disimpan"));
          }
        }
        else{
          emit(UploadFinish(success: false,msg: "Data unit tidak ditemukan. Tarik data terlebih dahulu!"));
        }
      }
    });
  }
}