{
  lib,
  config,
  pkgs,
  ...
}:
let
  cfg = config.modules.apps.firefox;
in
{
  options.modules.apps.firefox = {
    enable = lib.mkEnableOption "enable firefox";
  };

  config = lib.mkIf cfg.enable {
    programs.firefox = {
      enable = true;
      # TODO: add some default firefox settings
      package = (pkgs.firefox.override { nativeMessagingHosts = [ pkgs.passff-host ]; });
      profiles = {
        profile_0 = {
          id = 0;
          name = "profile_0";
          isDefault = true;
          search = {
            default = "ddg";
            force = true;
            order = [
              "ddg"
              "google"
            ];
            engines = {
              nix-packages = {
                name = "Nix Packages";
                urls = [
                  {
                    template = "https://search.nixos.org/packages";
                    params = [
                      {
                        name = "type";
                        value = "packages";
                      }
                      {
                        name = "query";
                        value = "{searchTerms}";
                      }
                    ];
                  }
                ];

                icon = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
                definedAliases = [ "@np" ];
              };

              nixos-wiki = {
                name = "NixOS Wiki";
                urls = [ { template = "https://wiki.nixos.org/w/index.php?search={searchTerms}"; } ];
                iconMapObj."16" = "https://wiki.nixos.org/favicon.ico";
                definedAliases = [ "@nw" ];
              };

              bing.metaData.hidden = true;
              google.metaData.alias = "@g";
            };
          };
          settings = {

          };
        };
      };
    };

    home.packages = [
      pkgs.pinentry-qt
    ];

    home.file = {
      "ykcs/ykcs11.so".source = "${pkgs.yubico-piv-tool}/lib/libykcs11.so";
    };
  };

}