parseJsonString static method

Implementation

static FunctionCallResponse? parseJsonString(String jsonStr) {
  try {
    final decoded = jsonDecode(jsonStr);

    if (decoded is Map<String, dynamic>) {
      final name = decoded['name'] as String?;
      if (name == null) {
        debugPrint('JsonParsingUtils: JSON missing "name" field');
        return null;
      }

      // Try all known key names for arguments
      final args = (decoded['parameters'] as Map<String, dynamic>?) ??
          (decoded['args'] as Map<String, dynamic>?) ??
          (decoded['arguments'] as Map<String, dynamic>?);

      // Use empty map for zero-argument functions (get_time, refresh, etc.)
      final resolvedArgs = args ?? <String, dynamic>{};
      debugPrint('JsonParsingUtils: Parsed function: $name($resolvedArgs)');
      return FunctionCallResponse(name: name, args: resolvedArgs);
    }

    debugPrint('JsonParsingUtils: JSON missing "name" field or not a Map');
    return null;
  } catch (e) {
    debugPrint('JsonParsingUtils: Failed to decode JSON: $e');
    return null;
  }
}