Implemented [CHOOSE] options and fixed typo "generateNe/t/hackrc"

nethack.nix

@@ -5,7 +5,9 @@
 }:
 
 with lib;
+with types;
 let
+  # Functions for internal use {{{
   generateOption = name: value:
     if isBool value
     then "OPTIONS=${if value then "" else "!"}${name}"
@@ -22,19 +24,101 @@ let
     in concatStringsSep "\n" msg_type_strings;
 
   generateMenuColor = regex: color: ''MENUCOLOR="${regex}"=${color}'';
+  # }}}
 
-  generateNehackrc = nethack_config:
-    let all_configs = (mapAttrsToList generateOption nethack_config.options)
-                   ++ (mapAttrsToList generateHilite nethack_config.hilite_status)
-                   ++ (mapAttrsToList generateMsgType nethack_config.msg_types)
-                   ++ (mapAttrsToList generateMenuColor nethack_config.menu_colors);
+  # Generate base configuration {{{
+  generateConfig = { nethack_options, hilite_status, msg_types, menu_colors, ... } @ config:
+    let all_configs = (mapAttrsToList generateOption nethack_options)
+                   ++ (mapAttrsToList generateHilite hilite_status)
+                   ++ (mapAttrsToList generateMsgType msg_types)
+                   ++ (mapAttrsToList generateMenuColor menu_colors);
     in concatStringsSep "\n" all_configs;
+  # }}}
+
+  # Generate choose options {{{
+  generateChoose = choose_config:
+    if choose_config == {} then "" else
+    let generateChooseOption = name: config: "[${name}]\n" + generateConfig config;
+        choose_options = mapAttrsToList (n: v: generateChooseOption n v) choose_config;
+        choose_names = concatStringsSep "," (attrNames choose_config);
+    in "CHOOSE=${choose_names}\n${concatStringsSep "\n" choose_options}";
+  # }}}
+
+  # Generate whole .nethackrc {{{
+  generateNethackrc = nethack_config:
+    let base_config = generateConfig nethack_config;
+        choose_config = generateChoose nethack_config.choose_options;
+    in base_config + "\n" + choose_config;
+  # }}}
 in
 {
-  options.programs.nethack = with types; {
+  # Options definitions {{{
+  options.programs.nethack = {
     enable = mkEnableOption "nethack configuration";
 
-    options = mkOption {
+    nethack_options = mkOption {
+      type = attrsOf (oneOf [bool int str]);
+      default = {};
+      description = "Nethack options";
+      example = literalExpression ''
+        {
+          boulder = "0";
+          windowtype = "curses";
+          statuslines = 3;
+          autopickup = true;
+        }
+      '';
+    };
+
+    hilite_status = mkOption {
+      type = attrsOf (attrsOf str);
+      default = {};
+      description = "Status hilites options set";
+      example = literalExpression ''
+        {
+          hitpoints = {
+            "100%" = "grey&normal";
+            "<100%" = "green&normal";
+            "<66%" = "yellow&normal";
+            "<50%" = "orange&normal";
+            "<33%" = "red&bold";
+          };
+
+          gold.up = "yellow";
+          gold.down = "brown";
+        }
+      '';
+    };
+
+    menu_colors = mkOption {
+      type = attrsOf str;
+      default = {};
+      description = "Set of MENUCOLOR= options";
+    };
+
+    msg_types = mkOption {
+      type = attrsOf (listOf str);
+      default = {};
+      description = "Set of MSGTYPE= options";
+      example = literalExpression ''
+        {
+          hide = [
+            "You swap places with .*"
+            "Your tentacles suck the .*"
+          ];
+
+          norep = [
+            "You see here a.*"
+          ];
+        }
+      '';
+    };
+
+    # Choose options {{{
+    choose_options = mkOption {
+      type = attrsOf (submodule {
+        options = {
+          nethack_options = mkOption {
             type = attrsOf (oneOf [bool int str]);
             default = {};
             description = "Nethack options";
@@ -92,11 +176,33 @@ in
             '';
           };
         };
+      });
+      default = {};
+      description = "Set of CHOOSE= configurations";
+      example = literalExpression ''
+        {
+          elf-wiz = {
+            options = {
+              race = "elf";
+              role = "wizard";
+            };
+          };
+
+          tourist.options = {
+            role = "tourist";
+            gender = "male";
+          };
+        }
+      '';
+    };
+    # }}}
+  };
+  # }}}
 
   config = {
     home.file.".nethackrc" = with config.programs.nethack; {
       inherit enable;
-      text = generateNehackrc config.programs.nethack;
+      text = generateNethackrc config.programs.nethack;
     };
   };
 }