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

let
  cfg = config.ooknet.console.editor.helix;
in

{
  config = lib.mkIf cfg.enable {
    programs.helix.languages = {
      language = let
        deno = lang: {
          command = "${pkgs.deno}/bin/deno";
          args = ["fmt" "-" "--ext" lang];
        };

        prettier = lang: {
          command = "${pkgs.nodePackages.prettier}/bin/prettier";
          args = ["--parser" lang];
        };
        prettierLangs = map (e: {
          name = e;
          formatter = prettier e;
        });
        langs = ["css" "scss" "html"];
      in
        [
          {
            name = "bash";
            auto-format = true;
            formatter = {
              command = "${pkgs.shfmt}/bin/shfmt";
              args = ["-i" "2"];
            };
          }
          {
            name = "clojure";
            injection-regex = "(clojure|clj|edn|boot|yuck)";
            file-types = ["clj" "cljs" "cljc" "clje" "cljr" "cljx" "edn" "boot" "yuck"];
          }
          {
            name = "javascript";
            auto-format = true;
            language-servers = ["dprint" "typescript-language-server"];
          }
          {
            name = "json";
            formatter = deno "json";
          }
          {
            name = "markdown";
            auto-format = true;
            formatter = deno "md";
          }
        ]
        ++ prettierLangs langs;

      language-server = {
        bash-language-server = {
          command = "${pkgs.nodePackages.bash-language-server}/bin/bash-language-server";
          args = ["start"];
        };

        clangd = {
          command = "${pkgs.clang-tools}/bin/clangd";
          clangd.fallbackFlags = ["-std=c++2b"];
        };

        deno-lsp = {
          command = "${pkgs.deno}/bin/deno";
          args = ["lsp"];
          environment.NO_COLOR = "1";
          config.deno = {
            enable = true;
            lint = true;
            unstable = true;
            suggest = {
              completeFunctionCalls = false;
              imports = {hosts."https://deno.land" = true;};
            };
            inlayHints = {
              enumMemberValues.enabled = true;
              functionLikeReturnTypes.enabled = true;
              parameterNames.enabled = "all";
              parameterTypes.enabled = true;
              propertyDeclarationTypes.enabled = true;
              variableTypes.enabled = true;
            };
          };
        };

        nil = {
          command = lib.getExe pkgs.nil;
          config.nil.formatting.command = ["${lib.getExe pkgs.alejandra}" "-q"];
        };

        dprint = {
          command = lib.getExe pkgs.dprint;
          args = ["lsp"];
        };

        typescript-language-server = {
          command = "${pkgs.nodePackages.typescript-language-server}/bin/typescript-language-server";
          args = ["--stdio"];
          config = let
            inlayHints = {
              includeInlayEnumMemberValueHints = true;
              includeInlayFunctionLikeReturnTypeHints = true;
              includeInlayFunctionParameterTypeHints = true;
              includeInlayParameterNameHints = "all";
              includeInlayParameterNameHintsWhenArgumentMatchesName = true;
              includeInlayPropertyDeclarationTypeHints = true;
              includeInlayVariableTypeHints = true;
            };
          in {
            typescript-language-server.source = {
              addMissingImports.ts = true;
              fixAll.ts = true;
              organizeImports.ts = true;
              removeUnusedImports.ts = true;
              sortImports.ts = true;
            };

            typescript = {inherit inlayHints;};
            javascript = {inherit inlayHints;};

            hostInfo = "helix";
          };
        };

        vscode-css-language-server = {
          command = "${pkgs.nodePackages.vscode-css-languageserver-bin}/bin/css-languageserver";
          args = ["--stdio"];
          config = {
            provideFormatter = true;
            css.validate.enable = true;
            scss.validate.enable = true;
          };
        };
      };
    };
  };
}