{ pkgs, lib, config, specialArgs, options, modulesPath }:

with pkgs;

let
   config = writeTextFile (rec { name = "kakrc.kak";
      destination = "/share/kak/autoload/${name}";
      text = ''
        hook global KakBegin .* %{
            colorscheme colors
        }
      '';
    });
    lsp-config = writeTextFile (rec {
      name = "kak-lsp.toml";
      destination = "/share/kak-lsp/${name}";
      text = ''
        [language.typescript]
          filetypes = ["typescript", "javascript"]
          roots = ["package.json"]
          command = "rslint-lsp"
      '';
    });
    colors = writeTextFile (rec {
      name = "colors.kak";
      destination = "/share/kak/colors/${name}";
      text = ''
        # One-dark theme for Kakoune

        # Color palette
        # declare-option str black 'rgb:282c34'
        declare-option str black default
        declare-option str gray 'rgb:5C6370'
        declare-option str dark 'rgb:1e2127'
        declare-option str white 'rgb:abb2bf'
        declare-option str blue 'rgb:61afef'
        declare-option str cyan 'rgb:50cacd'
        declare-option str aqua 'rgb:5accaf'
        declare-option str green 'rgb:98c379'
        declare-option str amber 'rgb:e5c07b'
        declare-option str orange 'rgb:d19a66'
        declare-option str pink 'rgb:de6a73'
        declare-option str purple 'rgb:c678dd'
        declare-option str red 'rgb:efa6a2'
        declare-option str yellow 'rgb:c8c874'
        declare-option str azure 'rgb:74c3e4'
        declare-option str dimgray 'rgb:454b4e'
        declare-option str psel 'rgba:46465080'
        declare-option str ssel 'rgba:3c3c5080'

        declare-option str background %opt{black}
        declare-option str dimmed_background %opt{gray}
        declare-option str foreground %opt{white}

        # Reference
        # https://github.com/mawww/kakoune/blob/master/colors/default.kak
        # For code
        set-face global value "%opt{orange}"
        set-face global type "%opt{cyan}"
        set-face global variable "%opt{orange}"
        set-face global module "%opt{white}"
        set-face global function "%opt{blue}"
        set-face global string "%opt{green}"
        set-face global keyword "%opt{purple}"
        set-face global operator "%opt{purple}"
        set-face global attribute "%opt{blue}"
        set-face global bracket "%opt{white}"
        set-face global arguement "%opt{orange}"
        set-face global comma "%opt{white}"
        set-face global comment "%opt{gray}+i"
        set-face global docstring "%opt{gray}+i"
        set-face global meta "%opt{purple}"
        set-face global builtin "%opt{cyan}"
        set-face global class "%opt{amber}"
        set-face global self "%opt{pink}"
        set-face global constant "%opt{white}+b"

        # For markup
        set-face global title "%opt{pink}"
        set-face global header "%opt{orange}"
        set-face global bold "%opt{pink}"
        set-face global italic "%opt{purple}"
        set-face global mono "%opt{green}"
        set-face global block "%opt{cyan}"
        set-face global link "%opt{green}"
        set-face global bullet "%opt{green}"
        set-face global list "%opt{white}"

        # Builtin faces
        set-face global Default "%opt{white},%opt{black}"
        # set-face global Default "%opt{white},default"
        set-face global PrimarySelection "default,%opt{psel}"
        set-face global SecondarySelection "default,%opt{ssel}"
        set-face global PrimaryCursor "%opt{dark},%opt{purple}"
        set-face global SecondaryCursor "%opt{dark},%opt{blue}"
        set-face global PrimaryCursorEol "%opt{dark},%opt{cyan}"
        set-face global SecondaryCursorEol "%opt{dark},%opt{amber}"
        set-face global LineNumbers "%opt{gray},%opt{black}"
        set-face global LineNumberCursor "%opt{white},%opt{black}+b"
        set-face global LineNumbersWrapped "%opt{gray},%opt{black}+i"
        set-face global MenuForeground "%opt{dark},%opt{aqua}+b"
        set-face global MenuBackground "%opt{white},%opt{dark}"
        set-face global MenuInfo "%opt{orange},%opt{dark}"
        set-face global Information "%opt{yellow},%opt{black}"
        set-face global Error "%opt{red},%opt{black}"
        set-face global StatusLine "%opt{white},%opt{black}"
        set-face global StatusLineMode "%opt{green},%opt{black}"
        set-face global StatusLineInfo "%opt{purple},%opt{black}"
        set-face global StatusLineValue "%opt{orange},%opt{black}"
        set-face global StatusCursor "%opt{white},%opt{blue}"
        set-face global Prompt "%opt{green},%opt{black}"
        set-face global MatchingChar "%opt{black},%opt{blue}"
        set-face global Whitespace "%opt{dimgray},%opt{black}+f"
        set-face global WrapMarker Whitespace
        set-face global BufferPadding "%opt{gray},%opt{black}"

      '';
    });
    lsp = symlinkJoin {

      name = "kak-lsp-${kak-lsp.version}";
      nativeBuildInputs = [ makeWrapper ];

      paths = with kakounePlugins; [
        kak-lsp
        lsp-config
      ];
      

      postBuild = ''
        wrapProgram $out/bin/kak-lsp --add-flags "--config $out/share/kak-lsp/kak-lsp.toml"
      '';

    };

  myKakoune = kakoune.override {
    plugins = with kakounePlugins; [ config lsp colors ];
  };
in
{
  environment.systemPackages = [ myKakoune ];
}