Harden geofence automation and home editing

lib/features/settings/services/geofence_system_status_service.dart

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+import 'package:geolocator/geolocator.dart';
+
+import '../../homes/services/location_platform_service.dart';
+import '../models/geofence_system_state.dart';
+
+abstract class GeofenceSystemStatusService {
+  Future<GeofenceSystemState> inspect({
+    required bool hasActiveHome,
+    required bool hasCoordinates,
+  });
+}
+
+class DeviceGeofenceSystemStatusService implements GeofenceSystemStatusService {
+  final LocationPlatformService locationPlatformService;
+
+  DeviceGeofenceSystemStatusService({required this.locationPlatformService});
+
+  @override
+  Future<GeofenceSystemState> inspect({
+    required bool hasActiveHome,
+    required bool hasCoordinates,
+  }) async {
+    if (!hasActiveHome) {
+      return const GeofenceSystemState(GeofenceSystemIssue.noActiveHome);
+    }
+    if (!hasCoordinates) {
+      return const GeofenceSystemState(GeofenceSystemIssue.missingCoordinates);
+    }
+    if (!await locationPlatformService.isLocationServiceEnabled()) {
+      return const GeofenceSystemState(
+        GeofenceSystemIssue.locationServicesDisabled,
+      );
+    }
+
+    final permission = await locationPlatformService.checkPermission();
+    return switch (permission) {
+      LocationPermission.denied => const GeofenceSystemState(
+        GeofenceSystemIssue.permissionDenied,
+      ),
+      LocationPermission.deniedForever => const GeofenceSystemState(
+        GeofenceSystemIssue.permissionDeniedForever,
+      ),
+      LocationPermission.whileInUse => const GeofenceSystemState(
+        GeofenceSystemIssue.backgroundPermissionRequired,
+      ),
+      LocationPermission.always => const GeofenceSystemState(
+        GeofenceSystemIssue.ready,
+      ),
+      _ => const GeofenceSystemState(GeofenceSystemIssue.permissionDenied),
+    };
+  }
+}