{ pkgs, ... }:
{
  programs.kakoune = {
    enable = true;
    defaultEditor = true;
    plugins = with pkgs.kakounePlugins;
      [ kak-fzf byline-kak kakboard auto-pairs-kak ];
    config = {
      colorScheme = "tomorrow-night";
      numberLines = {
        enable = true;
        highlightCursor = true;
      };
      showMatching = true;
      tabStop = 2;
      indentWidth = 2;
      hooks = [
          {
            name = "WinCreate";
            commands = "kakboard-enable";
            option = ".*";
          }
          {
            name = "BufCreate";
            commands = "set buffer filetype typst";
            option = ".*\.typ";
          }
          {
            # When the filetype=latex option is set in a buffer context (automatically), add a new hook to build the latex file on write
            name = "BufSetOption";
            option = "filetype=latex";
            commands = "hook buffer BufWritePost .* %{ texlab-build }";
          }
          {
            name = "BufSetOption";
            option = "filetype=typst";
            commands = "hook buffer BufWritePost .* %{ nop %sh{ typst compile $kak_buffile } }";
          }
          {
            # When the filetype=markdown option is set (automatically), set word wrap on
            name = "WinSetOption";
            option = "filetype=markdown";
            commands = "set-option window lintcmd \"proselint\"";
          }
          # {
          #   name = "BufSetOption";
          #   option = "filetype=markdown";
          #   commands = ''
          #     hook buffer BufWritePost .* %{ %sh{
          #       
          #     }  };
          #   '';
          # }
      ];
      keyMappings = [
        # Define select all
        {
          key = "a";
          mode = "user";
          effect = "*%s<ret>";
          docstring = "Select all";
        }
        # Define usermode yank/copy and paste
        {
          key = "y";
          mode = "user";
          effect = "<a-|> wl-copy<ret>";
        }
        {
          key = "p";
          mode = "user";
          effect = "<a-!> wl-paste -n<ret>";
        }
        {
          key = "P";
          mode = "user";
          effect = "! wl-paste -n<ret>";
        }
      ];
    };
    extraConfig = ''
      # highlight trailing whitespace
      add-highlighter global/trailing-whitespace regex '\h+$' 0:Error

      # don't remove trailing indent
      set global disabled_hooks .*-trim-indent
      source ${pkgs.writeText "kakoune-divider.kak" (builtins.readFile ./kakoune/divider.kak)}
      set-option global divider_face LineNumbers
      divider-on 80

      # byline enables extending selection with x
      require-module byline

      eval %sh{kak-lsp --kakoune -s $kak_session}
      lsp-enable
    '';
  };

  xdg.configFile."kak-lsp/kak-lsp.toml".source =
    ./kakoune/kak-lsp.toml;

  xdg.desktopEntries.kakoune = {
    name = "Kakoune";
    genericName = "Text Editor";
    comment = "Edit text files";
    icon = "kak";
    exec = "kak %F";
    terminal = true;
    mimeType = [
      "text/english"
      "text/plain"
      "text/x-makefile"
      "text/x-c++hdr"
      "text/x-c++src"
      "text/x-chdr"
      "text/x-csrc"
      "text/x-java"
      "text/x-moc"
      "text/x-pascal"
      "text/x-tcl"
      "text/x-tex"
      "application/x-shellscript"
      "text/x-c"
      "text/x-c++"
      "text/x-devicetree-source"
    ];
    categories = [ "Utility" "TextEditor" ];
  };
}