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

let
  hmConfig = config.home-manager.users.${user.name};
in
{
  home-manager.users.${user.name} = {
    programs = {
      kitty = {
        enable = true;

        font = {
          name = builtins.head hmConfig.theme.font.monospace.names;
          package = builtins.head hmConfig.theme.font.monospace.packages;
          inherit (hmConfig.theme.font) size;
        };

        extraConfig = ''
          confirm_os_window_close 0
          include theme.conf
        '';
      };

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

    theme.extraConfig = "${lib.meta.getExe (pkgs.writeShellApplication {
      name = "reload-kitty";
      runtimeInputs = with pkgs; [ procps ];
      text = "exec pkill kitty -SIGUSR1";
    })} &";

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