import 'dart:async';
import 'dart:io';

import 'package:flutter/foundation.dart';
import 'package:isolate_manager/isolate_manager.dart';
import 'package:workmanager/workmanager.dart';

import '../Tasks/workers.dart';
import '../Tasks/workmanager_workers.dart';

/// Erstellt Hintergrundtasks und führt diese aus
class BackgroundTaskController {
  /// Erstellt eine neue Instanz dieser Klasse
  BackgroundTaskController() {
    if (!kIsWeb && Platform.isAndroid) {
      unawaited(Workmanager().initialize(callbackDispatcher));
      unawaited(
        Workmanager().registerPeriodicTask(
          'generate-transactions',
          'generate_transactions',
          frequency: const Duration(minutes: 30),
          initialDelay: const Duration(minutes: 1),
        ),
      );
    } else {
      unawaited(
        IsolateManager.runFunction(runTask, {
          'taskName': 'generate_transactions',
          'initialDelayMinutes': 1,
          'frequencyMinutes': 30,
        }),
      );
    }
  }
}