{
  config,
  lib,
  pkgs,
  ...
}:
let
  milspec = (pkgs.callPackage ../../_sources/generated.nix { }).milspec;
in
{
  programs.kitty = {
    enable = true;
    font = {
      name = "Berkeley Mono";
      size = 14;
    };
    settings = {
      placement_strategy = "top-left";
      inactive_text_alpha = "0.8";

      active_tab_font_style = "bold";
      inactive_tab_font_style = "normal";

      tab_bar_align = "left";
      tab_bar_edge = "bottom";
      tab_bar_style = "powerline";
      tab_bar_margin_width = "0.0";
      tab_powerline_style = "slanted";
      enabled_layouts = "splits, stack";

      # always show tab bar
      tab_bar_min_tabs = "1";

      tab_title_template = "{index}: {title}{sup.num_windows if num_windows > 1 else ''}{activity_symbol}{bell_symbol}";
    };

    keybindings = {
      # this emulates zooming panes
      "ctrl+s>z" = "toggle_layout stack";

      # create new panes
      "ctrl+s>-" = "launch --location=hsplit --cwd=current";
      "ctrl+s>\\" = "launch --location=vsplit --cwd=current";

      # jump to other panes
      "ctrl+s>h" = "neighboring_window left";
      "ctrl+s>l" = "neighboring_window right";
      "ctrl+s>k" = "neighboring_window up";
      "ctrl+s>j" = "neighboring_window down";
      "ctrl+s>q" = "focus_visible_window";

      # move panes
      "ctrl+s>ctrl+k" = "move_window up";
      "ctrl+s>ctrl+h" = "move_window left";
      "ctrl+s>ctrl+l" = "move_window right";
      "ctrl+s>ctrl+j" = "move_window down";

      # manipulate panes
      "ctrl+s>ctrl+r" = "start_resizing_window";
      "ctrl+s>r" = "layout_action rotate";
      "ctrl+s>x" = "close_window";

      # open ui panel to move the pane somewhere else
      "ctrl+s>m" = "detach_window ask";

      # show index for easier switching, show number of panes
      "ctrl+s>c" = "new_tab";
      "ctrl+s>n" = "next_tab";
      "ctrl+s>p" = "previous_tab";
      "ctrl+s>1" = "goto_tab 1";
      "ctrl+s>2" = "goto_tab 2";
      "ctrl+s>3" = "goto_tab 3";
      "ctrl+s>4" = "goto_tab 4";
      "ctrl+s>5" = "goto_tab 5";
      "ctrl+s>6" = "goto_tab 6";
      "ctrl+s>7" = "goto_tab 7";
      "ctrl+s>8" = "goto_tab 8";
      "ctrl+s>9" = "goto_tab 9";

      "alt+enter" = "toggle_fullscreen";
    };
    extraConfig = ''
      include themes.conf
    '';
  };

  xdg.configFile."kitty/themes".source = "${milspec.src}/extras/kitty";

  services.darkman = lib.mkIf config.services.darkman.enable {
    lightModeScripts.kitty-theme = ''
      ${config.programs.kitty.package}/bin/kitty +kitten themes --config-file-name=themes.conf "milspec-light"
    '';
    darkModeScripts.kitty-theme = ''
      ${config.programs.kitty.package}/bin/kitty +kitten themes --config-file-name=themes.conf "milspec-dark"
    '';
  };
}