import 'dart:async';
import 'package:motorcycle_dash/models/telemetry_sample.dart';
import 'package:motorcycle_dash/services/validation/telemetry_validator.dart';

class ReplayScenario {
  final String name;
  final List<TelemetrySample> samples;

  const ReplayScenario({required this.name, required this.samples});
}

class TelemetryReplayEngine {
  final TelemetryValidator validator;
  final _sampleController = StreamController<TelemetrySample>.broadcast();

  Stream<TelemetrySample> get stream => _sampleController.stream;

  TelemetryReplayEngine({TelemetryValidator? validator})
      : validator = validator ?? TelemetryValidator();

  Future<List<TelemetrySample>> play(ReplayScenario scenario) async {
    validator.reset();
    final validated = <TelemetrySample>[];

    for (final sample in scenario.samples) {
      final quality = validator.validate(sample);
      final validatedSample = sample.copyWith(quality: quality);
      validated.add(validatedSample);
      _sampleController.add(validatedSample);
    }

    return validated;
  }

  void dispose() {
    _sampleController.close();
  }
}