From 9dc2df53973e857be96f6348de6cea1c44e14928 Mon Sep 17 00:00:00 2001
From: Gabriel Arazas <foodogsquared@foodogsquared.one>
Date: Wed, 13 Dec 2023 11:24:04 +0800
Subject: [PATCH] profiles/i18n: refactor module

---
 modules/nixos/profiles/i18n.nix               | 23 +++++++++----------
 .../nixos/workflows/a-happy-gnome/default.nix |  5 +---
 .../nixos/workflows/mosey-branch/default.nix  |  5 +---
 3 files changed, 13 insertions(+), 20 deletions(-)

diff --git a/modules/nixos/profiles/i18n.nix b/modules/nixos/profiles/i18n.nix
index 8de4b839..db799ff0 100644
--- a/modules/nixos/profiles/i18n.nix
+++ b/modules/nixos/profiles/i18n.nix
@@ -9,20 +9,19 @@ in
 {
   options.profiles.i18n = {
     enable = lib.mkEnableOption "main i18n config";
-    ibus.enable = lib.mkEnableOption "i18n config with ibus";
-    fcitx5.enable = lib.mkEnableOption "i18n config with fcitx5";
+    setup = lib.mkOption {
+      type = lib.types.enum [ "fcitx5" "ibus" ];
+      description = ''
+        The primary input method engine to be used and its related
+        configuration and setup.
+      '';
+      default = "fcitx5";
+      example = "ibus";
+    };
   };
 
   config = lib.mkIf cfg.enable (lib.mkMerge [
     {
-      assertions = let enabledi18nConfigs = lib.countAttrs (_: setup: lib.isAttrs setup && setup.enable) cfg; in
-        [{
-          assertion = enabledi18nConfigs <= 1;
-          message = ''
-            Only one i18n setup should be enabled at any given time.
-          '';
-        }];
-
       # I don't speak all of the languages. It's just nice to have some
       # additional language packs for it. ;p
       i18n.supportedLocales = lib.mkForce [ "all" ];
@@ -47,7 +46,7 @@ in
       ];
     }
 
-    (lib.mkIf cfg.ibus.enable {
+    (lib.mkIf (cfg.setup == "ibus") {
       i18n.inputMethod = {
         enabled = "ibus";
         ibus.engines = with pkgs.ibus-engines; [
@@ -62,7 +61,7 @@ in
       };
     })
 
-    (lib.mkIf cfg.fcitx5.enable {
+    (lib.mkIf (cfg.setup == "fcitx5") {
       i18n.inputMethod = {
         enabled = "fcitx5";
         fcitx5.addons = with pkgs; [
diff --git a/modules/nixos/workflows/a-happy-gnome/default.nix b/modules/nixos/workflows/a-happy-gnome/default.nix
index e1cf57be..9fe7f1c0 100644
--- a/modules/nixos/workflows/a-happy-gnome/default.nix
+++ b/modules/nixos/workflows/a-happy-gnome/default.nix
@@ -156,10 +156,7 @@ in
 
     # Check whether this is inside of my personal configuration or nah.
     (lib.mkIf (attrs ? _isfoodogsquaredcustom && attrs._isfoodogsquaredcustom) {
-      profiles.i18n = lib.mkDefault {
-        enable = true;
-        ibus.enable = true;
-      };
+      profiles.i18n.setup = "ibus";
     })
   ]);
 }
diff --git a/modules/nixos/workflows/mosey-branch/default.nix b/modules/nixos/workflows/mosey-branch/default.nix
index 98b6b1b8..a5a9a080 100644
--- a/modules/nixos/workflows/mosey-branch/default.nix
+++ b/modules/nixos/workflows/mosey-branch/default.nix
@@ -183,10 +183,7 @@ in
     # of the flake input, this shouldn't be applied nor be used in the first
     # place.
     (lib.mkIf (attrs ? _isfoodogsquaredcustom && attrs._isfoodogsquaredcustom) {
-      profiles.i18n = {
-        enable = true;
-        ibus.enable = true;
-      };
+      profiles.i18n.setup = "ibus";
     })
   ]);
 }