import 'package:flutter_test/flutter_test.dart';
import 'package:motorcycle_dash/services/routes/route_models.dart';
import 'fake_route_provider.dart';
import 'package:motorcycle_dash/services/routes/route_provider.dart';

void main() {
  group('FakeRouteProvider', () {
    test('enforces 25 stop maximum', () async {
      final provider = FakeRouteProvider();

      final stops = List<RouteStop>.generate(26, (i) => RouteStop(
        id: 'stop_$i',
        displayName: 'Stop $i',
        latitude: 0.0,
        longitude: 0.0,
        order: i,
        stopType: RouteStopType.waypoint,
      ));

      expect(
        () => provider.calculateRoute(stops),
        throwsA(isA<RouteProviderException>()),
      );
    });

    test('enforces 2 stop minimum', () async {
      final provider = FakeRouteProvider();

      final stops = [
        const RouteStop(
          id: 'stop_1',
          displayName: 'Stop 1',
          latitude: 0.0,
          longitude: 0.0,
          order: 0,
          stopType: RouteStopType.waypoint,
        )
      ];

      expect(
        () => provider.calculateRoute(stops),
        throwsA(isA<RouteProviderException>()),
      );
    });

    test('calculates successfully', () async {
      final provider = FakeRouteProvider();

      final stops = List<RouteStop>.generate(3, (i) => RouteStop(
        id: 'stop_$i',
        displayName: 'Stop $i',
        latitude: i.toDouble(),
        longitude: i.toDouble(),
        order: i,
        stopType: RouteStopType.waypoint,
      ));

      final result = await provider.calculateRoute(stops);
      expect(result.geometry.length, 3);
      expect(result.isStraightLine, false);
    });
  });
}