modules: start breaking down core modules; simplify tree structure

modules/plugins/ui/notifications/nvim-notify/config.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf nvim;
+
+  cfg = config.vim.notify.nvim-notify;
+in {
+  config = mkIf cfg.enable {
+    vim.startPlugins = ["nvim-notify"];
+
+    vim.luaConfigRC.nvim-notify = nvim.dag.entryAnywhere ''
+      require('notify').setup {
+        stages = "${cfg.stages}",
+        timeout = ${toString cfg.timeout},
+        background_colour = "${cfg.background_colour}",
+        position = "${cfg.position}",
+        icons = {
+            ERROR = "${cfg.icons.ERROR}",
+            WARN = "${cfg.icons.WARN}",
+            INFO = "${cfg.icons.INFO}",
+            DEBUG = "${cfg.icons.DEBUG}",
+            TRACE = "${cfg.icons.TRACE}",
+        },
+      }
+
+      -- required to fix offset_encoding errors
+      local notify = vim.notify
+      vim.notify = function(msg, ...)
+        if msg:match("warning: multiple different client offset_encodings") then
+          return
+        end
+
+        notify(msg, ...)
+      end
+    '';
+  };
+}

modules/plugins/ui/notifications/nvim-notify/default.nix

@@ -0,0 +1,6 @@
+_: {
+  imports = [
+    ./config.nix
+    ./nvim-notify.nix
+  ];
+}

modules/plugins/ui/notifications/nvim-notify/nvim-notify.nix

@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkOption types;
+in {
+  options.vim.notify.nvim-notify = {
+    enable = mkEnableOption "nvim-notify notifications";
+    stages = mkOption {
+      type = types.enum ["fade_in_slide_out" "fade_in" "slide_out" "none"];
+      default = "fade_in_slide_out";
+      description = "The stages of the notification";
+    };
+
+    timeout = mkOption {
+      type = types.int;
+      default = 1000;
+      description = "The timeout of the notification";
+    };
+
+    background_colour = mkOption {
+      type = types.str;
+      default = "#000000";
+      description = "The background colour of the notification";
+    };
+
+    position = mkOption {
+      type = types.enum ["top_left" "top_right" "bottom_left" "bottom_right"];
+      default = "top_right";
+      description = "The position of the notification";
+    };
+
+    icons = mkOption {
+      type = types.attrsOf types.str;
+      description = "The icons of the notification";
+      default = {
+        ERROR = "";
+        WARN = "";
+        INFO = "";
+        DEBUG = "";
+        TRACE = "";
+      };
+    };
+  };
+}