{ pkgs, config, inputs, ... }:
let
  nur = import inputs.nurpkgs {
    inherit pkgs;
    nurpkgs = pkgs;
  };
  extensions = with nur.repos.rycee.firefox-addons; [
    bitwarden
    ublock-origin
    switchyomega
    sponsorblock
    return-youtube-dislikes
    firefox-color
    tampermonkey
    duckduckgo-privacy-essentials
    sidebery
  ];
  userConfig = builtins.readFile ./user.js;
  configOverrides = ''
  user_pref("browser.search.suggest.enabled", true);
  user_pref("mousewheel.default.delta_multiplier_y", 75); 
  user_pref("network.captive-portal-service.enabled", true);
  user_pref("captivedetect.canonicalURL", "http://detectportal.firefox.com/canonical.html");
  user_pref("network.connectivity-service.enabled", true);
  '';
  extraConfig = userConfig + configOverrides;
  engines = {
    "Brave" = {
      urls = [{ template = "https://search.brave.com/search?q={searchTerms}"; }];
      iconUpdateURL = "https://cdn.search.brave.com/serp/v2/_app/immutable/assets/safari-pinned-tab.539899c7.svg";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!br" ];
    };
    "NixOS" = {
      urls = [{ template = "https://search.nixos.org/packages?channel=unstable&from=0&size=50&sort=relevance&type=packages&query={searchTerms}"; }];
      iconUpdateURL = "https://nixos.org/favicon.png";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!ns" ];
    };
    "HomeManager" = {
      urls = [{ template = "https://mipmip.github.io/home-manager-option-search/?query={searchTerms}"; }];
      iconUpdateURL = "https://github.com/mipmip/home-manager-option-search/blob/main/images/favicon.png";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!hs" ];
    };
    "ai question" = {
      urls = [{ template = "https://iask.ai/?mode=question&q={searchTerms}"; }];
      iconUpdateURL = "https://iask.ai/favicons/favicon-32x32-650bd8771fdea8866630408578e381cc.png?vsn=d";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!aq" ];
    };
    "ai forums" = {
      urls = [{ template = "https://iask.ai/?mode=forums&q={searchTerms}"; }];
      iconUpdateURL = "https://iask.ai/favicons/favicon-32x32-650bd8771fdea8866630408578e381cc.png?vsn=d";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!af" ];
    };
    "ai wiki" = {
      urls = [{ template = "https://iask.ai/?mode=wiki&q={searchTerms}"; }];
      iconUpdateURL = "https://iask.ai/favicons/favicon-32x32-650bd8771fdea8866630408578e381cc.png?vsn=d";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!aw" ];
    };
    "FastGPT" = {
      urls = [{ template = "https://labs.kagi.com/fastgpt?query={searchTerms}"; }];
      definedAliases = [ "!fq" ];
    };
    "NixWiki" = {
      urls = [{ template = "https://nixos.wiki/index.php?search={searchTerms}&go=Go"; }];
      iconUpdateURL = "https://nixos.org/favicon.png";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!nw" ];
    };
    "Kinopoisk" = {
      urls = [{ template = "https://www.kinopoisk.ru/index.php?kp_query={searchTerms}"; }];
      iconUpdateURL = "https://www.kinopoisk.ru/favicon.ico";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!ks" ];
    };
    "AnimeGo" = {
      urls = [{ template = "https://animego.org/search/all?q={searchTerms}"; }];
      iconUpdateURL = "https://animego.org/favicon-32x32.png";
      updateInterval = 24 * 60 * 60 * 1000;
      definedAliases = [ "!as" ];
    };
  };
  force = true;
in
{
  programs.firefox = {
    enable = true;
    profiles.nothing = {
      isDefault = false;
      id = 1;
    };
    profiles.Betterfox = {
      isDefault = true;
      inherit extensions extraConfig;
      search = {
        inherit engines force;
        default = "Brave";
      };
    };
  };
  home.file."chrome" = {
    source = ./userChrome.css;
    target = ".mozilla/firefox/Betterfox/chrome/userChrome.css";
  };
}