1 files changed, 62 insertions, 3 deletions
diff --git a/lib/data/data_providers/units_notifier.dart b/lib/data/data_providers/units_notifier.dart
index f7c25aa..26b79da 100644
--- a/lib/data/data_providers/units_notifier.dart
+++ b/lib/data/data_providers/units_notifier.dart
@@ -1,13 +1,72 @@
-import '../../export.dart';
+import 'package:flutter_ics_homescreen/export.dart';
+import 'package:protos/val-api.dart';
 
-class UnitsNotifier extends StateNotifier<Units> {
-  UnitsNotifier(super.state);
+class UnitsNotifier extends Notifier<Units> {
+  @override
+  Units build() {
+    return const Units.initial();
+  }
+
+  bool handleSignalUpdate(DataEntry entry) {
+    bool handled = true;
+    switch (entry.path) {
+      case VSSPath.vehicleHmiDistanceUnit:
+        if (entry.value.hasString()) {
+          String value = entry.value.string;
+          DistanceUnit unit = DistanceUnit.kilometers;
+          if (value != "KILOMETERS") unit = DistanceUnit.miles;
+          state = state.copyWith(distanceUnit: unit);
+        }
+        break;
+      case VSSPath.vehicleHmiTemperatureUnit:
+        if (entry.value.hasString()) {
+          String value = entry.value.string;
+          TemperatureUnit unit = TemperatureUnit.celsius;
+          if (value != "C") unit = TemperatureUnit.fahrenheit;
+          state = state.copyWith(temperatureUnit: unit);
+        }
+        break;
+      case VSSPath.vehicleHmiPressureUnit:
+        if (entry.value.hasString()) {
+          String value = entry.value.string;
+          PressureUnit unit = PressureUnit.kilopascals;
+          if (value != "KPA") unit = PressureUnit.psi;
+          state = state.copyWith(pressureUnit: unit);
+        }
+        break;
+      default:
+        handled = false;
+    }
+    return handled;
+  }
 
   void setDistanceUnit(DistanceUnit unit) {
     state = state.copyWith(distanceUnit: unit);
+    var valClient = ref.read(valClientProvider);
+    valClient.setString(
+      VSSPath.vehicleHmiDistanceUnit,
+      unit == DistanceUnit.kilometers ? "KILOMETERS" : "MILES",
+      true,
+    );
   }
 
   void setTemperatureUnit(TemperatureUnit unit) {
     state = state.copyWith(temperatureUnit: unit);
+    var valClient = ref.read(valClientProvider);
+    valClient.setString(
+      VSSPath.vehicleHmiTemperatureUnit,
+      unit == TemperatureUnit.celsius ? "C" : "F",
+      true,
+    );
+  }
+
+  void setPressureUnit(PressureUnit unit) {
+    state = state.copyWith(pressureUnit: unit);
+    var valClient = ref.read(valClientProvider);
+    valClient.setString(
+      VSSPath.vehicleHmiPressureUnit,
+      unit == PressureUnit.kilopascals ? "KPA" : "PSI",
+      true,
+    );
   }
 }