{ lib, config, pkgs, ... }:
let
  cfg = config.suites.desktop;
in
{
  config = lib.mkIf cfg.enable {
  
    programs.firefox = lib.mkIf cfg.firefox.enable {
      enable = true;
      nativeMessagingHosts = []; # pkgs.firefoxpwa removed. I use ungoogled-chromiums PWA Implementation for better stability.
      policies = {
        # --------- Privacy ---------
        DisableTelemetry = true;
        DisableFirefoxStudies = true;
        DisablePocket = true;
        DisableFirefoxAccounts = true;
        AutofillAddressEnabled = false;
        AutofillCreditCardEnabled = false;
        OfferToSaveLogins = false;
        FirefoxHome.TopSites = false;
        FirefoxHome.SponsoredTopSites = false;
        Preferences = {
          "browser.newtabpage.pinned" = {
            Value = "";
            Status = "locked";
          };
          "browser.topsites.contile.enabled" = {
            Value = false;
            Status = "locked";
          };
        };
        # -------- Opiniated --------
        DontCheckDefaultBrowser = true;
        DisableProfileImport = true;
        SearchBar = "unified";
        SearchEngines.Add = [ # Only Available in ESR Releases https://mozilla.github.io/policy-templates/#searchengines--add
          {
            Name = "Brave";
            URLTemplate = "https://search.brave.com/search?q={searchTerms}";
            Alias = "br";
            IconURL = "https://cdn.search.brave.com/serp/v3/_app/immutable/assets/brave-search-icon.CsIFM2aN.svg";
          }
        ];
        # Extensions https://mozilla.github.io/policy-templates#extensionsettings
        ExtensionSettings = {
          "uBlock0@raymondhill.net" = lib.mkIf (cfg.firefox.disableuBlockOrigin == false) { # uBlock Origin: https://addons.mozilla.org/en-US/firefox/addon/ublock-origin
            install_url = "https://addons.mozilla.org/firefox/downloads/file/4598854/ublock_origin-1.67.0.xpi";
            installation_mode = "normal_installed";
            private_browsing = true;
          };
          "idcac-pub@guus.ninja" = lib.mkIf (cfg.firefox.disableIDontCareAboutCookies == false) { # I still don't care about cookies: https://addons.mozilla.org/en-US/firefox/addon/istilldontcareaboutcookies/
            install_url = "https://addons.mozilla.org/firefox/downloads/file/4613590/istilldontcareaboutcookies-1.1.8.xpi";
            installation_mode = "normal_installed";
            private_browsing = true;
          };
          "keepassxc-browser@keepassxc.org" = lib.mkIf (cfg.firefox.disableKeepassxcBrowser == false) { # KeePassXC-Browser: https://addons.mozilla.org/en-US/firefox/addon/keepassxc-browser
            install_url = "https://addons.mozilla.org/firefox/downloads/file/4592023/keepassxc_browser-1.9.10.xpi";
            installation_mode = "normal_installed";
          };
          "offline-qr-code@rugk.github.io" = lib.mkIf (cfg.firefox.disableOfflineQr == false) { # Offline QR Code Generator: https://addons.mozilla.org/en-US/firefox/addon/offline-qr-code-generator/
            install_url = "https://addons.mozilla.org/firefox/downloads/file/4349427/offline_qr_code_generator-1.9.xpi";
            installation_mode = "normal_installed";
          };
          "addon@darkreader.org" = lib.mkIf (cfg.firefox.disableDarkReader == false) { # Dark Reader: https://addons.mozilla.org/en-US/firefox/addon/darkreader/
            install_url = "https://addons.mozilla.org/firefox/downloads/file/4625542/darkreader-4.9.116.xpi";
            installation_mode = "normal_installed";
          };
          "languagetool-webextension@languagetool.org" = lib.mkIf (cfg.firefox.disableLanguageTool == false) { # LanguageTool: https://addons.mozilla.org/en-US/firefox/addon/languagetool
            install_url = "https://addons.mozilla.org/firefox/downloads/file/4538560/languagetool-9.0.1.xpi";
            installation_mode = "normal_installed";
          };
        };
        Bookmarks = lib.mkIf (cfg.firefox.disableDefaultBookmarks == false) [
          {
            Title = "Syncthing";
            URL = "localhost:8384";
            Placement = "toolbar";
          }
          {
            Title = "NixOS Search - Packages";
            URL = "https://search.nixos.org/packages?channel=unstable";
            Placement = "toolbar";
            Folder = "NixOS";
          }
          {
            Title = "NixOS Search - Options";
            URL = "https://search.nixos.org/options?channel=unstable";
            Placement = "toolbar";
            Folder = "NixOS";
          }
          {
            Title = "Home Manager Search - Options";
            URL = "https://home-manager-options.extranix.com/?release=master";
            Placement = "toolbar";
            Folder = "NixOS";
          }
          {
            Title = "Lix";
            URL = "https://lix.systems/";
            Placement = "toolbar";
            Folder = "NixOS";
          }
          {
            Title = "AUX - Homepage";
            URL = "https://auxolotl.org/en/";
            Placement = "toolbar";
            Folder = "NixOS";
          }
          {
            Title = "AUX - Forum";
            URL = "https://forum.aux.computer/";
            Placement = "toolbar";
            Folder = "NixOS";
          }
          {
            Title = "Nix Pills";
            URL = "https://nixos.org/guides/nix-pills/";
            Placement = "toolbar";
            Folder = "NixOS";
          }
        ];
      };
    };
  };
}