From 1073297f5a424b0fa17c5132dcbf58208f10f5ba Mon Sep 17 00:00:00 2001
From: Christoph Hollizeck <christoph.hollizeck@hey.com>
Date: Thu, 10 Oct 2024 21:33:30 +0200
Subject: [PATCH] helix: added flake input added initial configuration and
 enable it on main machine

---
 flake.nix                                     |   5 +
 modules/nixos/apps/cli-apps/helix/default.nix | 148 ++++++++++++++----
 systems/x86_64-linux/yggdrasil/default.nix    |   1 +
 3 files changed, 125 insertions(+), 29 deletions(-)

diff --git a/flake.nix b/flake.nix
index c25291d..9fcaf3d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -55,6 +55,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    helix = {
+      url = "github:helix-editor/helix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     # GPG default configuration
     gpg-base-conf = {
       url = "github:drduh/config";
diff --git a/modules/nixos/apps/cli-apps/helix/default.nix b/modules/nixos/apps/cli-apps/helix/default.nix
index 2dfe93a..7d80f3c 100644
--- a/modules/nixos/apps/cli-apps/helix/default.nix
+++ b/modules/nixos/apps/cli-apps/helix/default.nix
@@ -1,55 +1,145 @@
 {
   config,
+  inputs,
   lib,
   pkgs,
+  system,
   ...
 }:
 let
   inherit (lib) mkIf mkEnableOption;
   cfg = config.wyrdgard.apps.cli-apps.helix;
+
+  cachix-url = "https://helix.cachix.org";
+  cachix-key = "helix.cachix.org-1:ejp9KQpR1FBI2onstMQ34yogDm4OgU2ru6lIwPvuCVs=";
+
+  helix-pkg = inputs.helix.packages.${system}.default;
 in
 {
   options.wyrdgard.apps.cli-apps.helix = {
-    enable = mkEnableOption "Whether to enable nixvim or not (Default true)";
+    enable = mkEnableOption "Whether to enable nixvim or not";
   };
 
   config = mkIf cfg.enable {
     environment = {
-      systemPackages = with pkgs; [ helix ];
+      systemPackages = [ helix-pkg ];
     };
 
-    wyrdgard.home = {
-      extraOptions = {
-        programs.helix = {
-          enable = true;
-          settings = {
-            theme = "autumn_night_transparent";
-            editor.cursor-shape = {
-              normal = "block";
-              insert = "bar";
-              select = "underline";
+    wyrdgard = {
+      home = {
+        extraOptions = {
+          programs.helix = {
+            enable = true;
+            package = helix-pkg;
+            defaultEditor = true;
+            settings = {
+              theme = "tokyonight";
+              editor = {
+                line-number = "relative";
+
+                lsp = {
+                  display-inlay-hints = true;
+                  display-messages = true;
+                };
+
+                cursor-shape = {
+                  normal = "block";
+                  insert = "bar";
+                  select = "underline";
+                };
+
+                indent-guides = {
+                  render = true;
+                  character = "|";
+                };
+
+                statusline = {
+                  left = [
+                    "mode"
+                    "spinner"
+                  ];
+                  center = [ "file-name" ];
+                  right = [
+                    "workspace-diagnostics"
+                    "diagnostics"
+                    "selections"
+                    "position"
+                    "total-line-numbers"
+                    "spacer"
+                    "file-encoding"
+                    "file-line-ending"
+                    "file-type"
+                  ];
+                  separator = "│";
+                };
+              };
+
+              keys = {
+                normal = {
+                  space = {
+                    space = "file_picker";
+                  };
+
+                  C-j = [
+                    "move_line_down"
+                    "move_line_down"
+                    "move_line_down"
+                    "move_line_down"
+                    "move_line_down"
+                  ];
+                  C-k = [
+                    "move_line_up"
+                    "move_line_up"
+                    "move_line_up"
+                    "move_line_up"
+                    "move_line_up"
+                  ];
+                };
+              };
             };
-          };
-          languages.language = [
-            {
-              name = "nix";
-              auto-format = true;
-              formatter.command = "${pkgs.nixfmt}/bin/nixfmt";
-            }
-            {
-              name = "rust";
-              auto-format = true;
-              formatter.command = "cargo fmt";
-            }
-          ];
-          themes = {
-            autumn_night_transparent = {
-              "inherits" = "autumn_night";
-              "ui.background" = { };
+
+            languages = {
+              language = [
+                {
+                  name = "nix";
+                  auto-format = true;
+                  formatter.command = "${pkgs.nixfmt-rfc-style}/bin/nixfmt";
+                  language-servers = [
+                    "nixd"
+                    "nil"
+                  ];
+                }
+                {
+                  # provided by the dev environment in the rust shell
+                  name = "rust";
+                  auto-format = true;
+                  formatter.command = "cargo fmt";
+                  language-servers = [ "rust-analyzer" ];
+                }
+              ];
+
+              language-server = {
+                nil = {
+                  command = "${pkgs.nil}/bin/nil";
+                };
+                nixd = {
+                  command = "${pkgs.nixd}/bin/nixd";
+                };
+                marksman = {
+                  command = "${pkgs.marksman}/bin/marksman";
+                };
+                omnisharp = {
+                  command = "${pkgs.omnisharp-roslyn}/bin/OmniSharp";
+                };
+              };
             };
           };
         };
       };
+
+      nix.extra-substituters.${cachix-url} = {
+        key = cachix-key;
+      };
     };
   };
 }
diff --git a/systems/x86_64-linux/yggdrasil/default.nix b/systems/x86_64-linux/yggdrasil/default.nix
index fc678a6..a2024be 100644
--- a/systems/x86_64-linux/yggdrasil/default.nix
+++ b/systems/x86_64-linux/yggdrasil/default.nix
@@ -27,6 +27,7 @@ in
     apps = {
       _1password = enabled;
       obs-studio = enabled;
+      cli-apps.helix = enabled;
     };
 
     desktop.hyprland = {