import '../domain/app_settings.dart';
import '../domain/course_occurrence.dart';

enum ReminderStatus { off, permissionDenied, exact, inexact, error }

class ReminderResult {
  const ReminderResult(
    this.status, {
    this.scheduledCount = 0,
    this.message = '',
  });
  final ReminderStatus status;
  final int scheduledCount;
  final String message;
}

abstract class NotificationService {
  Future<ReminderResult> reconcile(
    List<CourseOccurrence> occurrences,
    AppSettings settings,
    DateTime now,
  );
  Future<void> requestPermissions();
  Future<void> cancelOwned();
}