Prepare for service utilities_group_refresh

components/nspanel_ha_blueprint/utilities.cpp

@@ -0,0 +1,40 @@
+// utilities.cpp
+#include "utilities.h"
+#include <cstdint>
+#include <cstring>
+
+namespace nspanel_ha_blueprint {
+
+    // Definition and initialization of the global variable
+    UtilitiesGroupValues UtilitiesGroups[8] = {
+        { "grid", "\0", "\0", 0 },
+        { "group01", "\0", "\0", 0 },
+        { "group02", "\0", "\0", 0 },
+        { "group03", "\0", "\0", 0 },
+        { "group04", "\0", "\0", 0 },
+        { "group05", "\0", "\0", 0 },
+        { "group06", "\0", "\0", 0 },
+        { "home", "\0", "\0", 0 }
+    };
+
+    uint8_t findUtilitiesGroupIndex(const char* group_id) {
+        int low = 0;
+        int high = sizeof(UtilitiesGroups) / sizeof(UtilitiesGroups[0]) - 1;
+
+        while (low <= high) {
+            int mid = low + (high - low) / 2;
+            int cmp = strcmp(UtilitiesGroups[mid].group_id, group_id);
+
+            if (cmp < 0) {
+                low = mid + 1;
+            } else if (cmp > 0) {
+                high = mid - 1;
+            } else {
+                return static_cast<uint8_t>(mid); // Found
+            }
+        }
+
+        return UINT8_MAX; // Not found
+    }
+
+}  // namespace nspanel_ha_blueprint