Review components files

components/nspanel_ha_blueprint/utilities.h

@@ -1,20 +1,44 @@
 // utilities.h
+
 #pragma once
 
 #include <cstdint>
+#include <cstring>  // For std::strcpy
+#include <string>
 
 namespace nspanel_ha_blueprint {
 
     struct UtilitiesGroupValues {
         char group_id[8];  // 7 characters + null terminator
-        char value1[11];  // 10 characters + null terminator
-        char value2[11];  // 11 characters + null terminator
+        char value1[11];   // 10 characters + null terminator
+        char value2[11];   // 10 characters + null terminator
         int8_t direction;
     };
 
-    extern UtilitiesGroupValues UtilitiesGroups[8];
+    extern UtilitiesGroupValues *UtilitiesGroups;
 
     void resetUtilitiesGroups();
+    void cleanupUtilitiesGroups();
     uint8_t findUtilitiesGroupIndex(const char* group_id);
 
+    /**
+     * Copies the contents of a std::string to a fixed-size char array, ensuring
+     * null termination. The destination array size is automatically deduced.
+     * Designed for fixed-size char arrays only.
+     * 
+     * @param dest A reference to the destination char array.
+     * @param src The source std::string to copy.
+     */
+    template <unsigned int N>
+    void copyStringToCharArray(char (&dest)[N], const std::string& src) {
+        // Ensure we do not exceed the buffer size, leaving space for the null terminator
+        size_t length = std::min(src.size(), N - 1);
+
+        // Copy the string data into the destination buffer
+        std::strncpy(dest, src.c_str(), length);
+
+        // Explicitly null-terminate the destination buffer
+        dest[length] = '\0';
+    }
+
 }  // namespace nspanel_ha_blueprint