{ lib, config, pkgs, ... }:

with lib;
{
  options.helix = {
    fullInstall = mkOption {
      type = lib.types.nullOr lib.types.bool;
      default = false;
    };
  };

  config = {
    programs = {
      helix = mkMerge [{
        enable = true;
        defaultEditor = true;
        settings = {
          theme = "dracula";
        };
        extraPackages = with pkgs;[ gcc ];
      }
        (mkIf config.helix.fullInstall {
          extraPackages = with pkgs;[
            #nix
            nixd
            nixpkgs-fmt

            #dotnet
            omnisharp-roslyn
            netcoredbg

            # rust
            rustfmt
            clippy
            rust-analyzer
            lldb

            #python
            ruff

            # shell
            shfmt
            bash-language-server
            fish-lsp

            # misc
            hyprls
            marksman

            # web
            superhtml
            biome
          ] ++ (with nodePackages;[
            vscode-langservers-extracted
            typescript-language-server
          ]);
          languages = {
            language = [
              {
                name = "bash";
                formatter = { command = "shfmt"; };
              }
              {
                name = "javascript";
                language-servers = [
                  { name = "biome"; }
                  {
                    name = "typescript-language-server";
                    except-features = [ "format" ];
                  }
                ];
                auto-format = true;
                formatter = { command = "biome"; args = [ "format" "--stdin-file-path" "a.js" ]; };
              }
              {
                name = "typescript";
                language-servers = [
                  { name = "biome"; }
                  {
                    name = "typescript-language-server";
                    except-features = [ "format" ];
                  }
                ];
                auto-format = true;
                formatter = { command = "biome"; args = [ "format" "--stdin-file-path" "a.ts" ]; };
              }
              {
                name = "jsx";
                language-servers = [
                  { name = "biome"; }
                  {
                    name = "typescript-language-server";
                    except-features = [ "format" ];
                  }
                ];
                auto-format = true;
                formatter = { command = "biome"; args = [ "format" "--stdin-file-path" "a.jsx" ]; };
              }
              {
                name = "tsx";
                language-servers = [
                  { name = "biome"; }
                  {
                    name = "typescript-language-server";
                    except-features = [ "format" ];
                  }
                ];
                auto-format = true;
                formatter = { command = "biome"; args = [ "format" "--stdin-file-path" "a.tsx" ]; };
              }
            ];
          };
        })];
    };
  };
}