uiuiui

webui/src/components/RoverAccessoryControls/useRoverAccessories.js

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+// Rover Accessories Selector
+// Purpose: Provides the ordered generic-control inventory advertised by one rover.
+// Scope: Selects public roster metadata only; placement and visibility remain parent-UI decisions.
+import { useMemo } from 'react';
+import { useSessionSelector } from '../../context/SessionContext.jsx';
+
+export default function useRoverAccessories(roverId) {
+  const rosterEntry = useSessionSelector((state) => {
+    if (!roverId) return null;
+    const roster = Array.isArray(state.session?.roster) ? state.session.roster : [];
+    return roster.find((entry) => String(entry.id) === String(roverId)) || null;
+  });
+  const advertisedPeripherals = rosterEntry?.peripherals;
+
+  const peripherals = useMemo(() => {
+    if (!Array.isArray(advertisedPeripherals)) return [];
+    // A peripheral with no generic controls may still provide a standardized
+    // camera, headlight, or laser backend. Those roles use their established
+    // HUD controls and must not create an empty Accessories surface.
+    return advertisedPeripherals.filter(
+      (peripheral) => Array.isArray(peripheral?.controls) && peripheral.controls.length > 0,
+    );
+  }, [advertisedPeripherals]);
+
+  return {
+    peripherals,
+    hasAccessories: peripherals.length > 0,
+  };
+}