{
  lib,
  config,
  pkgs,
  ...
}:
{
  config = lib.mkIf config.programs.firefox.enable {
    home = {
      sessionVariables = {
        MOZ_ENABLE_WAYLAND = "1";
      };
    };

    programs.firefox = {
      # enable = true;
      profileVersion = null;
      package = pkgs.firefox.override {
        nativeMessagingHosts = with pkgs; [ bitwarden ];
      };
      /*
        TODO: this should be able to work on macos, no?
        TODO: enable color scheme/theme by default
        TODO: extensions and their config/sync?
      */
      profiles = {
        daniel = {
          id = 0;
          settings = {
            "alerts.useSystemBackend" = true;
            "widget.gtk.rounded-bottom-corners.enabled" = true;
            "general.smoothScroll" = true;
            "browser.zoom.siteSpecific" = true;
          };

          extraConfig = ''
            user_pref("toolkit.legacyUserProfileCustomizations.stylesheets", true);
            // user_pref("full-screen-api.ignore-widgets", true);
            user_pref("media.ffmpeg.vaapi.enabled", true);
            user_pref("media.rdd-vpx.enabled", true);
          '';

          userChrome = ''
            #TabsToolbar {
              visibility: collapse;
            }

            #main-window[tabsintitlebar="true"]:not([extradragspace="true"]) #TabsToolbar>.toolbar-items {
              opacity: 0;
              pointer-events: none;
            }

            #main-window:not([tabsintitlebar="true"]) #TabsToolbar {
              visibility: collapse !important;
            }

            #webrtcIndicator {
              display: none;
            }
          '';

          /*
            userContent = ''
            '';
          */
        };
      };
    };
  };
}