{ config, pkgs, ... }:

let
  cfg = {
    config = {
      "language.typescript" = {
        command = "typescript-language-server";
        args = ["--stdio"];
      };
      "language.javascript" = {
        command = "javascript-typescript-stdio";
        args = ["--stdio"];
      };
      "language.css" = {
        command = "css-languageserver";
        args = ["--stdio"];
      };
      "language.scss" = {
        command = "css-languageserver";
        args = ["--stdio"];
      };
      "language.html" = {
        command = "html-languageserver";
        args = ["--stdio"];
      };
      "language.dockerfile" = {
        command = "docker-langserver";
        args = ["--stdio"];
      };
      "language.yaml" = {
        command = "yaml-language-server";
        args = ["--stdio"];
      };
      "language.haskell" = {
        command = "hie";
        args = ["--stdio"];
      };
    };
  };
  configFile = config:
    pkgs.runCommand "TabNine.toml"
      {
         buildInputs = [ pkgs.remarshal ];
         preferLocalBuild = true;
         allowSubstitutes = false;
      }
      ''
        remarshal -if json -of toml \
          < ${pkgs.writeText "config.json" (builtins.toJSON cfg.config)} \
          > $out
      '';
in
{
  xdg.configFile."TabNine/TabNine.toml" = {
    source = configFile cfg.config;
  };
}