{
  config,
  lib,
  pkgs,
  ...
}:

{
  imports = [ ];

  programs.firefox = {
    enable = true;
    package = (pkgs.wrapFirefox (pkgs.firefox-unwrapped.override { pipewireSupport = true; }) { });
    languagePacks = [ "en-US" ];
    preferences = {
      # "identity.sync.tokenserver.uri": "https://ffsync.fizz.buzz/token/1.0/sync/1.5";
      "media.hardware-video-decoding.force-enabled" = true;
      "media.ffmpeg.vaapi.enabled" = true;
      "doh-rollout.doorhanger-decision" = "UIDisabled";
      "dom.security.https_only_mode" = true;
      "dom.security.https_only_mode_ever_enabled" = true;
      "extensions.activeThemeID" = "firefox-compact-dark@mozilla.org";
      # Disable ads
      "extensions.pocket.enabled" = false;
      "browser.newtabpage.activity-stream.showSponsored" = false;
      "browser.newtabpage.activity-stream.showSponsoredTopSites" = false;
      "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
      "browser.newtabpage.pinned" = "[]";
      "browser.newtabpage.activity-stream.section.highlights.includePocket" = false;
      "browser.topsites.contile.enabled" = false;
      # Disable cache when devtools are open.
      "devtools.cache.disabled" = true;
      # Do not track header.
      "privacy.donottrackheader.enabled" = true;
      # Tell websites not to share or sell my data.
      "privacy.globalprivacycontrol.enabled" = true;
      # Disable "studies" (slice testing)
      "app.shield.optoutstudies.enabled" = false;
      # Disable attribution which is used by advertisers to track you.
      "dom.private-attribution.submission.enabled" = false;
      # Disable battery status, used to track users.
      "dom.battery.enabled" = false;

      # Disable that websites can get notifications if you copy, paste, or cut something from a web page, and it lets them know which part of the page had been selected.
      #
      # This breaks copying from BigQuery https://github.com/microsoft/monaco-editor/issues/1540
      # dom.event.clipboardevents.enabled: false

      # Isolates all browser identifier sources (e.g. cookies) to the first party domain, with the goal of preventing tracking across different domains.
      "privacy.firstparty.isolate" = true;
      # Do not preload URLs that auto-complete in the address bar.
      "browser.urlbar.speculativeConnect.enabled" = false;
      # Do not resist fingerprinting because that tells websites to use light mode.
      # https://bugzilla.mozilla.org/show_bug.cgi?id=1732114
      "privacy.resistFingerprinting" = false; # (default false)
      # Instead, enable fingerprinting protection, which allows configuring an override.
      "privacy.fingerprintingProtection" = true;
      # Allow sending dark mode preference to websites.
      # Allow sending timezone to websites.
      "privacy.fingerprintingProtection.overrides" =
        "+AllTargets,-CSSPrefersColorScheme,-JSDateTimeUTC,-CanvasExtractionBeforeUserInputIsBlocked";
      # Disable weather on new tab page
      "browser.newtabpage.activity-stream.showWeather" = false;
    };
    # Check about:policies#documentation and https://mozilla.github.io/policy-templates/ for options.
    policies = {
      DisableTelemetry = true;
      DisplayBookmarksToolbar = "newtab";

      # Check about:support for extension/add-on ID strings.
      # Valid strings for installation_mode are "allowed", "blocked",
      # "force_installed" and "normal_installed".
      ExtensionSettings = {
        # "*".installation_mode = "blocked"; # blocks all addons except the ones specified below
        "uBlock0@raymondhill.net" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";
          installation_mode = "force_installed";
        };
        "firefox@teleparty.com" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/latest/netflix-party-is-now-teleparty/latest.xpi";
          installation_mode = "normal_installed";
        };
      };
    };
  };

  environment.persistence."/persist" = {
    hideMounts = true;
    users.talexander = {
      directories = [
        {
          directory = ".mozilla";
          user = "talexander";
          group = "talexander";
          mode = "0700";
        }
      ];
    };
  };
  environment.persistence."/state" = {
    hideMounts = true;
    users.talexander = {
      directories = [
        {
          directory = ".cache/mozilla";
          user = "talexander";
          group = "talexander";
          mode = "0700";
        }
      ];
    };
  };
}