521 lines
18 KiB
Dart
521 lines
18 KiB
Dart
import 'dart:async';
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import 'package:wakelock_plus/wakelock_plus.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../database/database.dart' hide TelemetrySample;
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import 'package:drift/drift.dart' as drift;
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import 'package:geolocator/geolocator.dart';
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import '../../models/telemetry_sample.dart';
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import '../../models/field_test_event.dart';
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import '../../services/telemetry_service.dart';
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import '../../services/audio_alert_service.dart';
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import '../records/records_service.dart';
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import '../garage/garage_providers.dart';
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import '../../services/field_test/field_test_logger.dart';
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enum RideState { idle, ready, riding, paused, finished }
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class RideSession {
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final int? dbId;
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final RideState state;
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final double tripDistanceMiles;
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final double topSpeedMph;
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final double maxLeanLeft;
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final double maxLeanRight;
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final double maxAccelG;
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final double maxBrakingG;
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final DateTime? startTime;
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// Phase 4 Stats
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final int movingTimeSeconds;
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final int stoppedTimeSeconds;
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final double elevationGain;
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final double elevationLoss;
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final double averageSpeedMph;
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RideSession({
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this.dbId,
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this.state = RideState.idle,
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this.tripDistanceMiles = 0.0,
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this.topSpeedMph = 0.0,
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this.maxLeanLeft = 0.0,
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this.maxLeanRight = 0.0,
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this.maxAccelG = 0.0,
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this.maxBrakingG = 0.0,
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this.startTime,
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this.movingTimeSeconds = 0,
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this.stoppedTimeSeconds = 0,
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this.elevationGain = 0.0,
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this.elevationLoss = 0.0,
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this.averageSpeedMph = 0.0,
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});
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RideSession copyWith({
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int? dbId,
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RideState? state,
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double? tripDistanceMiles,
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double? topSpeedMph,
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double? maxLeanLeft,
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double? maxLeanRight,
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double? maxAccelG,
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double? maxBrakingG,
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DateTime? startTime,
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int? movingTimeSeconds,
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int? stoppedTimeSeconds,
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double? elevationGain,
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double? elevationLoss,
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double? averageSpeedMph,
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}) {
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return RideSession(
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dbId: dbId ?? this.dbId,
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state: state ?? this.state,
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tripDistanceMiles: tripDistanceMiles ?? this.tripDistanceMiles,
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topSpeedMph: topSpeedMph ?? this.topSpeedMph,
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maxLeanLeft: maxLeanLeft ?? this.maxLeanLeft,
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maxLeanRight: maxLeanRight ?? this.maxLeanRight,
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maxAccelG: maxAccelG ?? this.maxAccelG,
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maxBrakingG: maxBrakingG ?? this.maxBrakingG,
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startTime: startTime ?? this.startTime,
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movingTimeSeconds: movingTimeSeconds ?? this.movingTimeSeconds,
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stoppedTimeSeconds: stoppedTimeSeconds ?? this.stoppedTimeSeconds,
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elevationGain: elevationGain ?? this.elevationGain,
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elevationLoss: elevationLoss ?? this.elevationLoss,
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averageSpeedMph: averageSpeedMph ?? this.averageSpeedMph,
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);
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}
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}
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class RideStateMachine extends StateNotifier<RideSession> {
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final AppDatabase db;
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final TelemetryService telemetryService;
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final RecordsService recordsService;
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final AudioAlertService audioAlertService;
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final Ref ref;
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StreamSubscription? _telemetrySub;
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TelemetrySample? _lastSample;
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double _accumulatedDistance = 0; // meters internally
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// Batching
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final List<TelemetrySamplesCompanion> _telemetryBatch = [];
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Timer? _batchWriteTimer;
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// Event Debouncing (Store last trigger time per event type)
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final Map<String, DateTime> _lastEventTimes = {};
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static const Duration _eventCooldown = Duration(seconds: 5);
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RideStateMachine(this.db, this.telemetryService, this.recordsService, this.audioAlertService, this.ref) : super(RideSession()) {
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_telemetrySub = telemetryService.telemetryStream.listen(_onTelemetryUpdate);
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// Write to DB every 5 seconds
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_batchWriteTimer = Timer.periodic(const Duration(seconds: 5), (_) => _flushBatch());
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// Recover any unfinished rides from previous sessions
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_recoverInterruptedRides();
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}
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Future<void> _recoverInterruptedRides() async {
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try {
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final unclosedRides = await (db.select(db.rides)
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..where((r) => r.endTime.isNull())
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).get();
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for (final r in unclosedRides) {
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// Find last recorded telemetry sample for this ride to determine actual end time
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final lastSample = await (db.select(db.telemetrySamples)
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..where((t) => t.rideId.equals(r.id))
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..orderBy([(t) => drift.OrderingTerm(expression: t.timestamp, mode: drift.OrderingMode.desc)])
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..limit(1)
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).getSingleOrNull();
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final calculatedEndTime = lastSample?.timestamp ?? r.startTime.add(Duration(seconds: r.movingTime + r.stoppedTime));
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await (db.update(db.rides)..where((t) => t.id.equals(r.id))).write(
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RidesCompanion(
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endTime: drift.Value(calculatedEndTime),
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),
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);
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try {
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final logger = ref.read(fieldTestLoggerProvider);
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logger.log(
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eventType: FieldTestEventType.databaseRecovery,
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severity: EventSeverity.critical,
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message: 'Interrupted ride #${r.id} recovered after unexpected exit',
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rideId: r.id,
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);
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await logger.generateAndSaveSummary(r.id, wasRecovered: true);
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} catch (_) {}
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}
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} catch (_) {}
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}
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void setReady() {
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state = state.copyWith(state: RideState.ready);
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}
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Future<void> startRide() async {
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final defaultBike = ref.read(defaultMotorcycleProvider);
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final id = await db.into(db.rides).insert(RidesCompanion.insert(
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startTime: DateTime.now(),
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motorcycleId: drift.Value(defaultBike?.id),
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motorcycleYear: drift.Value(defaultBike?.year),
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motorcycleMake: drift.Value(defaultBike?.makeName),
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motorcycleModel: drift.Value(defaultBike?.modelName),
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motorcycleVariant: drift.Value(defaultBike?.variantName),
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));
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state = state.copyWith(
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dbId: id,
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state: RideState.riding,
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startTime: DateTime.now(),
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tripDistanceMiles: 0,
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topSpeedMph: 0,
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movingTimeSeconds: 0,
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stoppedTimeSeconds: 0,
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elevationGain: 0,
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elevationLoss: 0,
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);
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_lastSample = null;
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_accumulatedDistance = 0;
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WakelockPlus.enable();
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audioAlertService.speak('Session started');
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// Auto-start Field Test Session
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try {
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ref.read(fieldTestLoggerProvider).startSession(id);
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} catch (_) {}
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}
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void pauseRide() {
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state = state.copyWith(state: RideState.paused);
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WakelockPlus.disable();
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try {
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ref.read(fieldTestLoggerProvider).log(
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eventType: FieldTestEventType.appPaused,
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severity: EventSeverity.info,
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message: 'Ride session paused',
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);
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} catch (_) {}
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}
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void resumeRide() {
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state = state.copyWith(state: RideState.riding);
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_lastSample = null; // reset to avoid jumping
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WakelockPlus.enable();
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try {
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ref.read(fieldTestLoggerProvider).log(
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eventType: FieldTestEventType.appResumed,
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severity: EventSeverity.info,
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message: 'Ride session resumed',
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);
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} catch (_) {}
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}
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Future<void> finishRide() async {
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if (state.dbId != null) {
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_flushBatch(); // write remaining points
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await db.endRide(
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state.dbId!,
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RidesCompanion(
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distanceMiles: drift.Value(state.tripDistanceMiles),
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topSpeedMph: drift.Value(state.topSpeedMph),
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maxLeanLeft: drift.Value(state.maxLeanLeft),
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maxLeanRight: drift.Value(state.maxLeanRight),
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maxAccelG: drift.Value(state.maxAccelG),
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maxBrakingG: drift.Value(state.maxBrakingG),
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movingTime: drift.Value(state.movingTimeSeconds),
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stoppedTime: drift.Value(state.stoppedTimeSeconds),
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averageSpeed: drift.Value(state.averageSpeedMph),
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elevationGain: drift.Value(state.elevationGain),
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elevationLoss: drift.Value(state.elevationLoss),
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),
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);
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// Check for personal records
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final runStats = PersonalRecords(
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topSpeedMph: state.topSpeedMph,
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maxLeanLeft: state.maxLeanLeft,
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maxLeanRight: state.maxLeanRight,
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maxAccelG: state.maxAccelG,
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maxBrakingG: state.maxBrakingG,
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longestRideMiles: state.tripDistanceMiles,
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greatestElevationGain: state.elevationGain,
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);
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await recordsService.checkAndSaveRecords(runStats, (recordName, value) {
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audioAlertService.speak('New record: $recordName');
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});
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}
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// Auto-stop Field Test Session if active
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try {
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if (ref.read(fieldTestLoggerProvider).isSessionActive) {
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await ref.read(fieldTestLoggerProvider).stopSession();
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}
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} catch (_) {}
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state = state.copyWith(state: RideState.finished);
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WakelockPlus.disable();
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audioAlertService.speak('Session ended');
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}
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void reset() {
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state = RideSession();
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}
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void _onTelemetryUpdate(TelemetrySample sample) {
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if (state.state != RideState.riding) return;
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_queueForBatch(sample);
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_processStats(sample);
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try {
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if (sample.quality != null) {
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ref.read(fieldTestLoggerProvider).processTelemetrySample(sample, sample.quality!);
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}
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} catch (_) {}
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}
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static const int _maxBatchCapacity = 1000;
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void _queueForBatch(TelemetrySample sample) {
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if (state.dbId == null) return;
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// Bound queue to prevent memory leaks during extended DB locks
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if (_telemetryBatch.length >= _maxBatchCapacity) {
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_telemetryBatch.removeAt(0);
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try {
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ref.read(fieldTestLoggerProvider).log(
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eventType: FieldTestEventType.databaseQueueOverflow,
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message: 'Telemetry batch buffer reached capacity (1000); dropping oldest sample',
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severity: EventSeverity.warning,
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);
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} catch (_) {}
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}
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_telemetryBatch.add(
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TelemetrySamplesCompanion(
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rideId: drift.Value(state.dbId!),
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timestamp: drift.Value(sample.timestamp),
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latitude: drift.Value(sample.latitude),
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longitude: drift.Value(sample.longitude),
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altitude: drift.Value(sample.altitude),
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speed: drift.Value(sample.speed),
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heading: drift.Value(sample.heading),
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gpsAccuracy: drift.Value(sample.gpsAccuracy),
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leanAngle: drift.Value(sample.leanAngle),
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pitchAngle: drift.Value(sample.pitchAngle),
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accelX: drift.Value(sample.accelX),
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accelY: drift.Value(sample.accelY),
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accelZ: drift.Value(sample.accelZ),
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longitudinalG: drift.Value(sample.longitudinalG),
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lateralG: drift.Value(sample.lateralG),
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)
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);
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}
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Future<void> _flushBatch() async {
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if (_telemetryBatch.isNotEmpty) {
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final batchToInsert = List<TelemetrySamplesCompanion>.from(_telemetryBatch);
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try {
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await db.batch((batch) {
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batch.insertAll(db.telemetrySamples, batchToInsert);
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});
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// Success: clear inserted samples
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_telemetryBatch.removeRange(0, batchToInsert.length);
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} catch (e) {
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// Keep in queue for retry on next flush interval
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try {
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ref.read(fieldTestLoggerProvider).log(
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eventType: FieldTestEventType.databaseQueueWarning,
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message: 'Database batch write retry: $e',
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severity: EventSeverity.warning,
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);
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} catch (_) {}
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}
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}
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// Incrementally persist ongoing ride summary stats to SQLite so crashes/terminations never lose stats
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if (state.dbId != null && state.state == RideState.riding) {
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try {
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await (db.update(db.rides)..where((t) => t.id.equals(state.dbId!))).write(
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RidesCompanion(
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distanceMiles: drift.Value(state.tripDistanceMiles),
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topSpeedMph: drift.Value(state.topSpeedMph),
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maxLeanLeft: drift.Value(state.maxLeanLeft),
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maxLeanRight: drift.Value(state.maxLeanRight),
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maxAccelG: drift.Value(state.maxAccelG),
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maxBrakingG: drift.Value(state.maxBrakingG),
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movingTime: drift.Value(state.movingTimeSeconds),
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stoppedTime: drift.Value(state.stoppedTimeSeconds),
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averageSpeed: drift.Value(state.averageSpeedMph),
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elevationGain: drift.Value(state.elevationGain),
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elevationLoss: drift.Value(state.elevationLoss),
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),
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);
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} catch (_) {}
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}
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}
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void _processStats(TelemetrySample sample) {
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// Completely ignore rejected samples (NaN, teleportation jumps, extreme spikes)
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if (sample.quality?.isRejected == true) return;
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double newTopSpeed = state.topSpeedMph;
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double newMaxLeanLeft = state.maxLeanLeft;
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double newMaxLeanRight = state.maxLeanRight;
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double newMaxAccelG = state.maxAccelG;
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double newMaxBrakingG = state.maxBrakingG;
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int newMovingTime = state.movingTimeSeconds;
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int newStoppedTime = state.stoppedTimeSeconds;
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double newElevationGain = state.elevationGain;
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double newElevationLoss = state.elevationLoss;
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if (sample.speed != null && sample.speed! <= 220.0) {
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if (sample.speed! > state.topSpeedMph) {
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newTopSpeed = sample.speed!;
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}
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}
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// Better Time tracking logic (internal doubles)
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double internalMoving = state.movingTimeSeconds.toDouble();
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double internalStopped = state.stoppedTimeSeconds.toDouble();
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if (_lastSample != null && sample.speed != null) {
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final dt = sample.timestamp.difference(_lastSample!.timestamp).inMilliseconds / 1000.0;
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if (dt > 0 && dt < 2.0) {
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if (sample.speed! > 1.8) {
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internalMoving += dt;
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} else {
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internalStopped += dt;
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}
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newMovingTime = internalMoving.floor();
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newStoppedTime = internalStopped.floor();
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}
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}
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if (sample.leanAngle != null && sample.leanAngle!.abs() <= 65.0) {
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if (sample.leanAngle! < 0 && sample.leanAngle!.abs() > state.maxLeanLeft) {
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newMaxLeanLeft = sample.leanAngle!.abs();
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} else if (sample.leanAngle! > 0 && sample.leanAngle! > state.maxLeanRight) {
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newMaxLeanRight = sample.leanAngle!;
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}
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}
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if (sample.longitudinalG != null && sample.longitudinalG!.abs() <= 2.5) {
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if (sample.longitudinalG! > 0 && sample.longitudinalG! > state.maxAccelG) {
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newMaxAccelG = sample.longitudinalG!;
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} else if (sample.longitudinalG! < 0 && sample.longitudinalG!.abs() > state.maxBrakingG) {
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newMaxBrakingG = sample.longitudinalG!.abs();
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}
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}
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if (sample.latitude != null && sample.longitude != null && _lastSample?.latitude != null && _lastSample?.longitude != null) {
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final distMeters = Geolocator.distanceBetween(
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_lastSample!.latitude!,
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_lastSample!.longitude!,
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sample.latitude!,
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sample.longitude!,
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);
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// Accumulate distance ONLY if moving and GPS accuracy is reasonable (suppresses stationary jitter at stop lights)
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final isMoving = (sample.speed != null && sample.speed! >= 1.0) || (_lastSample!.speed != null && _lastSample!.speed! >= 1.0);
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final hasGoodGps = sample.gpsAccuracy != null && sample.gpsAccuracy! <= 35.0;
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if (isMoving && hasGoodGps && distMeters > 0.3 && distMeters < 150.0) {
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_accumulatedDistance += distMeters;
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}
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// Elevation tracking
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if (sample.altitude != null && _lastSample!.altitude != null) {
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final elevationDelta = sample.altitude! - _lastSample!.altitude!;
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// Threshold filter to prevent phantom gain (e.g. > 1 meter change)
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if (elevationDelta.abs() > 1.0 && elevationDelta.abs() < 50.0) {
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if (elevationDelta > 0) {
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newElevationGain += elevationDelta;
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} else {
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newElevationLoss += elevationDelta.abs();
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}
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}
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}
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}
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double tripDistanceMiles = _accumulatedDistance / 1609.34;
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// Calculate avg speed (only moving time)
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double avgSpeed = 0;
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if (newMovingTime > 0) {
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// miles per hour
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avgSpeed = (tripDistanceMiles / newMovingTime) * 3600;
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}
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_detectEvents(sample);
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_lastSample = sample;
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state = state.copyWith(
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topSpeedMph: newTopSpeed,
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maxLeanLeft: newMaxLeanLeft,
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maxLeanRight: newMaxLeanRight,
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maxAccelG: newMaxAccelG,
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maxBrakingG: newMaxBrakingG,
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tripDistanceMiles: tripDistanceMiles,
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movingTimeSeconds: newMovingTime,
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stoppedTimeSeconds: newStoppedTime,
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elevationGain: newElevationGain,
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elevationLoss: newElevationLoss,
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averageSpeedMph: avgSpeed,
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);
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}
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void _detectEvents(TelemetrySample sample) {
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if (state.dbId == null) return;
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final now = DateTime.now();
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void checkAndLogEvent(String type, double value, bool condition) {
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if (condition) {
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final lastTime = _lastEventTimes[type];
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if (lastTime == null || now.difference(lastTime) > _eventCooldown) {
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_lastEventTimes[type] = now;
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db.into(db.rideEvents).insert(RideEventsCompanion.insert(
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rideId: state.dbId!,
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timestamp: now,
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eventType: type,
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value: value,
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latitude: drift.Value(sample.latitude),
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longitude: drift.Value(sample.longitude),
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));
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}
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}
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}
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if (sample.longitudinalG != null) {
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checkAndLogEvent('Hard Braking', sample.longitudinalG!, sample.longitudinalG! < -0.8);
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checkAndLogEvent('Hard Acceleration', sample.longitudinalG!, sample.longitudinalG! > 0.6);
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}
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if (sample.leanAngle != null) {
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|
checkAndLogEvent('Extreme Lean', sample.leanAngle!, sample.leanAngle!.abs() > 45.0);
|
|
}
|
|
|
|
if (sample.speed != null) {
|
|
checkAndLogEvent('High Speed', sample.speed!, sample.speed! > 100.0);
|
|
}
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_telemetrySub?.cancel();
|
|
_batchWriteTimer?.cancel();
|
|
super.dispose();
|
|
}
|
|
}
|
|
|
|
final rideStateMachineProvider = StateNotifierProvider<RideStateMachine, RideSession>((ref) {
|
|
final db = ref.watch(databaseProvider);
|
|
final telemetryService = ref.watch(telemetryServiceProvider);
|
|
final recordsService = ref.watch(recordsServiceProvider.notifier);
|
|
final audioAlertService = ref.watch(audioAlertServiceProvider);
|
|
return RideStateMachine(db, telemetryService, recordsService, audioAlertService, ref);
|
|
});
|
|
|