nichts/modules/gui/firefox.nix

{ config, lib, inputs, pkgs, ... }:
with lib; let
  username = config.modules.other.system.username;
  cfg = config.modules.programs.firefox;
in {
    options.modules.programs.firefox = {
      enable = mkEnableOption "firefox";
      extensions = mkOption {
        description = "firefox extensions (format like https://discourse.nixos.org/t/declare-firefox-extensions-and-settings/36265)";
	type = types.attrs;
	default = {};
      };
    };

  config = mkIf cfg.enable {
    home-manager.users.${username} = {
      programs.firefox = {
        enable = true;

	policies = {
	DisableTelemetry = true;
        DisableFirefoxStudies = true;
        EnableTrackingProtection = {
          Value= true;
          Locked = true;
          Cryptomining = true;
          Fingerprinting = true;
        };
        DisablePocket = true;
        DisableFirefoxAccounts = true;
        DisableAccounts = true;
        DisableFirefoxScreenshots = true;
        OverrideFirstRunPage = "";
        OverridePostUpdatePage = "";
        DontCheckDefaultBrowser = true;
        DisplayBookmarksToolbar = "never"; # alternatives: "always" or "newtab"
        DisplayMenuBar = "default-off"; # alternatives: "always", "never" or "default-on"
        SearchBar = "unified"; # alternative: "separate"
	FirefoxSuggest = {
	  WebSuggestions = true;
	  ImproveSuggest = true;
	  Locked = true;
	};
	SearchSuggestEnabled = true;
	theme = {
	  colors = {
	    background-darker = "181825";
	    background = "1e1e2e";
	    foreground = "cdd6f4";
	  };
	};

	  font = "Lexend";
	  ExtensionSettings = lib.mkMerge [{
	    "uBlock0@raymondhill.net" = {
              install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";
              installation_mode = "force_installed";
            };
	  } cfg.extensions];
	};
      };
    };
  };
}