{ pkgs, lib, ... }:
let font = "Rec Mono Duotone";
in {
  programs.kitty.enable = true;

  programs.kitty.settings = {
    font_family = font;
    bold_font = "${font} Bold";
    italic_font = "${font} Italic";
    bold_italic_font = "${font} Bold Italic";
    font_size = "15.0";
    adjust_line_height = "120%";
    disable_ligatures = "cursor"; # disable ligatures when cursor is on them

    hide_window_decorations = "titlebar-only";
    window_padding_width = "10";

    tab_bar_edge = "top";
    tab_bar_style = "powerline";
    tab_powerline_style = "angled";
    tab_title_template = "{index}: {title}";
    active_tab_font_style = "bold";
    inactive_tab_font_style = "normal";
    tab_activity_symbol = "💬";

    # shell integration is manually enabled for fish
    shell_integration = "disabled";
  } // lib.optionalAttrs pkgs.stdenv.isDarwin { macos_option_as_alt = "both"; };

  programs.fish.interactiveShellInit = ''
    # Manually enable shell integration
    if set -q KITTY_INSTALLATION_DIR
      set --global KITTY_SHELL_INTEGRATION enabled
      source "$KITTY_INSTALLATION_DIR/shell-integration/fish/vendor_conf.d/kitty-shell-integration.fish"
      set --prepend fish_complete_path "$KITTY_INSTALLATION_DIR/shell-integration/fish/vendor_completions.d"
    end
    set-term-colors
  '';
  programs.fish.shellAliases = {
    s = "kitty +kitten ssh";
    e = "edit-in-kitty";
  };

  programs.kitty.useSymbolsFromNerdFont = "CaskaydiaCove Nerd Font";
  programs.kitty.colors = {
    enable = true;
    color-pkg = pkgs.kitty-themes;
    dark-name = "themes/rose-pine";
    light-name = "themes/rose-pine-dawn";
  };
  programs.fish.functions.set-term-colors = {
    body = ''
      if test "$term_background" = light
        term-light
      else
        term-dark
      end
    '';
    onVariable = "term_background";
  };
  programs.kitty.fixIcon = lib.mkIf pkgs.stdenv.isDarwin {
    enable = true;
    # TODO: use path to kitty package?
    appPath = "~/Applications/Home\\ Manager\\ Apps/kitty.app";
    iconPath = "${pkgs.kitty-icon}/kitty-dark.icns";
  };
}