{ user ? throw "user argument is required" }: { config, pkgs, ... }:

let
  hmConfig = config.home-manager.users."${user.name}";
in
{
  home-manager.users."${user.name}" = {
    programs.kitty = {
      enable = true;
      extraConfig = ''
        confirm_os_window_close 0
        include theme.conf
      '';
    };

    programs.matugen.settings.templates = {
      kitty = {
        input_path = ./theme.conf;
        output_path = "${hmConfig.xdg.configHome}/kitty/theme.conf";
      };
    };

    theme.extraConfig = let name = "reload-kitty"; in
      "${pkgs.writeShellApplication {
        inherit name;
        runtimeInputs = with pkgs; [ procps ];
        text = ''
          pkill kitty -SIGUSR1
        '';
      }}/bin/${name} &";

    home.persistence."/cache${user.home}".directories = [ "${hmConfig.xdg.relativeCacheHome}/kitty" ];
  };
}