{
  lib,
  config,
  pkgs,
  system,
  ...
}: let
  inherit (lib.snowfall.system) is-linux;

  cfg = config.marleyos.apps;
in {
  options.marleyos.apps = {
    pinentry = lib.mkOption {
      type = lib.types.package;
      default = pkgs.pinentry-gtk2;
      description = "The pinentry package to use.";
    };

    clipboard = lib.mkOption {
      type = lib.types.package;
      default =
        if config.marleyos.wayland.hyprland.enable
        then pkgs.wl-clipboard
        else pkgs.clipboard-jh;
      description = "The clipboard manager to use.";
    };

    terminal = lib.mkOption {
      type = lib.types.package;
      default = pkgs.wezterm;
      description = "The terminal emulator to use.";
    };

    browser = lib.mkOption {
      type = lib.types.package;
      default = pkgs.floorp;
      description = "The browser to use.";
    };

    launcher = lib.mkOption {
      type = lib.types.submodule {
        options = {
          package = lib.mkOption {
            type = lib.types.package;
            default =
              if config.marleyos.wayland.hyprland.enable
              then pkgs.wofi
              else pkgs.rofi;
            description = "The launcher to use.";
          };
          command = lib.mkOption {
            type = lib.types.str;
            default = "--show drun";
            description = ''
              The command appended after the launcher binary to run it.
            '';
          };
        };
      };
    };
  };

  config = lib.mkIf (is-linux system) {
    home.packages = [
      cfg.pinentry
      cfg.clipboard
    ];

    programs.rbw = lib.mkDefault {
      settings.pinentry = cfg.pinentry;
    };

    services.gpg-agent = lib.mkDefault {
      pinentryPackage = cfg.pinentry;
    };
  };
}