working on the stateless kiosk, dynamic hostnames not yet working

sw/stateless-kiosk/mac-hostmap.nix

@@ -0,0 +1,27 @@
+# Shared MAC address to station mapping and case builder for stateless-kiosk modules
+{ lib }:
+let
+  hostmap = {
+    "00:e0:4c:46:0b:32" = "1";
+    "00:e0:4c:46:07:26" = "2";
+    "00:e0:4c:46:05:94" = "3";
+    "00:e0:4c:46:07:11" = "4";
+    "00:e0:4c:46:08:02" = "5";
+    "00:e0:4c:46:08:5c" = "6";
+  };
+  # macCaseBuilder: builds a shell case statement from a hostmap
+  # varName: the shell variable to assign
+  # prefix: optional string to prepend to the value (default: "")
+  # attrset: attribute set to use (default: hostmap)
+  macCaseBuilder = {
+    varName,
+    prefix ? "",
+    attrset ? hostmap
+  }:
+    lib.concatStringsSep "\n" (
+      lib.mapAttrsToList (mac: val: "      ${mac}) ${varName}=${prefix}${val} ;;") attrset
+    );
+in 
+{
+  inherit hostmap macCaseBuilder;
+}