import 'package:flutter_test/flutter_test.dart';
import 'package:geolocator/geolocator.dart';
import 'package:ignis_app/features/homes/geofence_logic.dart';
import 'package:ignis_app/features/homes/providers/location_providers.dart';

void main() {
  test('distance formatting stays readable across ranges', () {
    expect(formatDistance(0.42), '420 м');
    expect(formatDistance(2.34), '2.3 км');
    expect(formatDistance(12.8), '13 км');
    expect(formatDistanceMeters(450), '450 м');
    expect(formatDistanceMeters(1450), '1.4 км');
  });

  test('distance calculation stays in realistic range', () {
    final distanceKm = calculateDistanceKm(55.75, 37.61, 55.76, 37.61);
    expect(distanceKm, closeTo(1.11, 0.15));
  });

  test('background location access requires always permission', () {
    expect(hasForegroundLocationAccess(LocationPermission.whileInUse), isTrue);
    expect(hasBackgroundLocationAccess(LocationPermission.whileInUse), isFalse);
    expect(hasBackgroundLocationAccess(LocationPermission.always), isTrue);
  });

  test('retry remaining expires after cooldown window', () {
    final now = DateTime(2026, 5, 1, 12, 0, 0);
    final lastFailure = now.subtract(const Duration(minutes: 10));
    final retryRemaining = geofenceRetryRemaining(lastFailure, now: now);

    expect(retryRemaining, isNotNull);
    expect(retryRemaining!.inMinutes, 20);
    expect(
      geofenceRetryRemaining(
        now.subtract(const Duration(minutes: 31)),
        now: now,
      ),
      isNull,
    );
  });
}