UPDATE

src/hooks/useFarmHub.ts

@@ -0,0 +1,105 @@
+"use client";
+
+import { useCallback, useEffect, useState } from "react";
+
+export const FARM_HUB_STORAGE_KEY = "farm_hub";
+const LEGACY_SENSOR_HUB_STORAGE_KEY = "sensor_hub";
+
+export interface FarmHubInfo {
+  farm_uuid: string;
+  id?: string;
+  name?: string;
+  is_active?: boolean;
+  [key: string]: unknown;
+}
+
+export interface UseFarmHubReturn {
+  farmHub: FarmHubInfo | null;
+  hasFarmHub: boolean;
+  setFarmHub: (data: FarmHubInfo | null) => void;
+  getFarmUuid: () => string | null;
+}
+
+const normalizeFarmHub = (raw: unknown): FarmHubInfo | null => {
+  if (!raw || typeof raw !== "object") {
+    return null;
+  }
+
+  const candidate = raw as Record<string, unknown>;
+  const farmUuid =
+    typeof candidate.farm_uuid === "string"
+      ? candidate.farm_uuid
+      : typeof candidate.id === "string"
+        ? candidate.id
+        : null;
+
+  if (!farmUuid) {
+    return null;
+  }
+
+  return {
+    ...candidate,
+    farm_uuid: farmUuid,
+    id: typeof candidate.id === "string" ? candidate.id : farmUuid,
+  } as FarmHubInfo;
+};
+
+const parseFarmHub = (raw: string | null): FarmHubInfo | null => {
+  if (!raw) return null;
+
+  try {
+    return normalizeFarmHub(JSON.parse(raw));
+  } catch {
+    return null;
+  }
+};
+
+export const getStoredFarmHub = (): FarmHubInfo | null => {
+  if (typeof window === "undefined") return null;
+
+  return (
+    parseFarmHub(localStorage.getItem(FARM_HUB_STORAGE_KEY)) ??
+    parseFarmHub(localStorage.getItem(LEGACY_SENSOR_HUB_STORAGE_KEY))
+  );
+};
+
+export const getStoredFarmUuid = (): string | null =>
+  getStoredFarmHub()?.farm_uuid ?? null;
+
+export const useFarmHub = (): UseFarmHubReturn => {
+  const [farmHub, setFarmHubState] = useState<FarmHubInfo | null>(null);
+
+  useEffect(() => {
+    setFarmHubState(getStoredFarmHub());
+  }, []);
+
+  const setFarmHub = useCallback((data: FarmHubInfo | null) => {
+    if (typeof window === "undefined") return;
+
+    if (data === null) {
+      localStorage.removeItem(FARM_HUB_STORAGE_KEY);
+      setFarmHubState(null);
+      return;
+    }
+
+    const normalized = normalizeFarmHub(data);
+
+    if (!normalized) {
+      return;
+    }
+
+    localStorage.setItem(FARM_HUB_STORAGE_KEY, JSON.stringify(normalized));
+    setFarmHubState(normalized);
+  }, []);
+
+  const getFarmUuid = useCallback(() => {
+    return farmHub?.farm_uuid ?? getStoredFarmUuid();
+  }, [farmHub]);
+
+  return {
+    farmHub,
+    hasFarmHub: farmHub !== null,
+    setFarmHub,
+    getFarmUuid,
+  };
+};