import 'package:flutter_test/flutter_test.dart';
import 'package:social_app/features/calendar/reminders/reminder_queue_manager.dart';
import 'package:social_app/features/calendar/reminders/models/reminder_payload.dart';

void main() {
  group('ReminderQueueManager', () {
    test('按点击顺序处理，第一条处理完后处理剩余的按时间排序', () {
      final manager = ReminderQueueManager();

      final event1 = ReminderPayload(
        eventId: '1',
        title: 'Event 1',
        startAt: DateTime(2026, 3, 20, 10, 1),
        timezone: 'UTC',
        mode: ReminderPayloadMode.single,
      );
      final event2 = ReminderPayload(
        eventId: '2',
        title: 'Event 2',
        startAt: DateTime(2026, 3, 20, 10, 2),
        timezone: 'UTC',
        mode: ReminderPayloadMode.single,
      );
      final event3 = ReminderPayload(
        eventId: '3',
        title: 'Event 3',
        startAt: DateTime(2026, 3, 20, 10, 3),
        timezone: 'UTC',
        mode: ReminderPayloadMode.single,
      );

      manager.enqueueFromClick(event2);
      manager.enqueuePending([event1, event3]);

      expect(manager.currentPayload?.eventId, '2');
      manager.dequeueCurrent();
      expect(manager.currentPayload?.eventId, '1');
      manager.dequeueCurrent();
      expect(manager.currentPayload?.eventId, '3');
      manager.dequeueCurrent();
      expect(manager.isEmpty, true);
    });

    test('单条通知处理完直接清空', () {
      final manager = ReminderQueueManager();
      final event = ReminderPayload(
        eventId: '1',
        title: 'Event 1',
        startAt: DateTime.now(),
        timezone: 'UTC',
        mode: ReminderPayloadMode.single,
      );

      manager.enqueueFromClick(event);
      expect(manager.isEmpty, false);
      manager.dequeueCurrent();
      expect(manager.isEmpty, true);
    });
  });
}