{ pkgs, ... }:
{
  programs.firefox = {
    enable = true;

    # Next release of HomeManger
    # languagePacks = [
    #   "en-US"
    #   "it"
    # ];

    nativeMessagingHosts = [ pkgs.kdePackages.plasma-browser-integration ];

    profiles.default = {
      name = "Default";
      # Use Firefox Sync instead
      # extensions = [
      #   "ublock-origin"
      #   "augmented-steam"
      #   "bitwarden-password-manager"
      #   "bloody-vikings"
      #   "private-relay"
      #   "flagfox"
      #   "imagus-mod"
      #   "materialdesignicons-picker"
      #   "old-reddit-redirect"
      #   "reddit-enhancement-suite"
      #   "tampermonkey"
      #   "vimium-ff"
      #   "xirvik-torrent-to-seedbox-uplo"
      # ];

      search = {
        default = "DuckDuckGo";
        privateDefault = "DuckDuckGo";
        engines = {
          "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" = {
            urls = [ { template = "https://wiki.nixos.org/index.php?search={searchTerms}"; } ];
            iconUpdateURL = "https://wiki.nixos.org/favicon.png";
            updateInterval = 24 * 60 * 60 * 1000; # every day
            definedAliases = [ "@nw" ];
          };
        };
      };

      settings = {
        # Pazpi config
        "browser.backspace_action" = 0; # Backspace previous tab
        "browser.translation.neverForLanguages" = "it";
        "browser.translations.neverTranslateLanguages" = "it";

        "extensions.activeThemeID" = "firefox-compact@mozilla.org";

        # For Firefox GNOME theme:
        # "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
        # "browser.tabs.drawInTitlebar" = true;
        # "svg.context-properties.content.enabled" = true;
      };
      # userChrome = ''
      #   @import "firefox-gnome-theme/userChrome.css";
      #   @import "firefox-gnome-theme/theme/colors/dark.css";
      # '';
    };
  };
}