import 'package:abawo_bt_app/model/shifter_types.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

final shifterDeviceTelemetryCacheProvider = StateNotifierProvider<
    ShifterDeviceTelemetryCache, Map<String, ShifterDeviceTelemetry>>(
  (ref) => ShifterDeviceTelemetryCache(),
);

class ShifterDeviceTelemetryCache
    extends StateNotifier<Map<String, ShifterDeviceTelemetry>> {
  ShifterDeviceTelemetryCache() : super(const {});

  void upsert(String deviceId, ShifterDeviceTelemetry telemetry) {
    final existing = state[deviceId];
    state = {
      ...state,
      deviceId: existing == null ? telemetry : existing.merge(telemetry),
    };
  }
}