import 'dart:async';

import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:relationship_saver/core/config/app_config.dart';
import 'package:relationship_saver/features/reminders/scheduling/reminder_notification_intent_bus.dart';
import 'package:relationship_saver/features/reminders/scheduling/reminder_scheduler.dart';
import 'package:relationship_saver/features/reminders/scheduling/reminder_scheduler_local_notifications.dart';

/// Broadcasts reminder notification tap intents to interested UI listeners.
final Provider<ReminderNotificationIntentBus>
reminderNotificationIntentBusProvider = Provider<ReminderNotificationIntentBus>(
  (Ref ref) {
    final ReminderNotificationIntentBus bus = ReminderNotificationIntentBus();
    ref.onDispose(() {
      unawaited(bus.close());
    });
    return bus;
  },
);

/// Provides reminder delivery scheduler implementation.
final Provider<ReminderScheduler> reminderSchedulerProvider =
    Provider<ReminderScheduler>((Ref ref) {
      if (AppConfig.enableLocalNotifications) {
        return LocalNotificationsReminderScheduler(
          intentBus: ref.watch(reminderNotificationIntentBusProvider),
        );
      }
      return const NoopReminderScheduler();
    });