import 'package:flutter_test/flutter_test.dart';
import 'package:drift/native.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:motorcycle_dash/database/database.dart' hide TelemetrySample;
import 'package:motorcycle_dash/models/field_test_event.dart';
import 'package:motorcycle_dash/services/field_test/field_test_logger.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  late AppDatabase db;
  late FieldTestLogger logger;

  setUp(() async {
    SharedPreferences.setMockInitialValues({});
    db = AppDatabase.forTesting(NativeDatabase.memory());
    logger = FieldTestLogger(db);
  });

  tearDown(() async {
    logger.dispose();
    await db.close();
  });

  group('Field Test Logger API Tests', () {
    test('Session lifecycle starts and stops cleanly', () async {
      logger.startSession(10);
      expect(logger.isSessionActive, isTrue);
      expect(logger.activeRideId, 10);

      expect(logger.timelineEvents.any((e) => e.eventType == FieldTestEventType.rideStarted), isTrue);

      final summary = await logger.stopSession();
      expect(logger.isSessionActive, isFalse);
      expect(summary.rideId, 10);
    });

    test('Queue drops lowest-priority events when buffer capacity is reached', () {
      logger.startSession(11);

      // Fill queue with 1,000 info events
      for (int i = 0; i < 1005; i++) {
        logger.log(
          eventType: FieldTestEventType.databaseFlush,
          severity: EventSeverity.info,
          message: 'Flush event $i',
          rideId: 11,
        );
      }

      // Add a critical event
      logger.log(
        eventType: FieldTestEventType.databaseRecovery,
        severity: EventSeverity.critical,
        message: 'Critical DB Recovery',
        rideId: 11,
      );

      expect(logger.droppedEventsCount, greaterThanOrEqualTo(5));
      expect(logger.timelineEvents.any((e) => e.severity == EventSeverity.critical), isTrue);
    });
  });
}