{
  config,
  lib,
  ...
}:
with lib; let
  cfg = config.nixfiles.modules.thunderbird;
in {
  options.nixfiles.modules.thunderbird.enable = mkEnableOption "Thunderbird";

  config = mkIf cfg.enable {
    nixfiles.modules.common.xdg.defaultApplications.thunderbird = [
      "message/rfc822"
      "x-scheme-handler/mailto"
    ];

    hm = {
      programs.thunderbird = {
        enable = true;
        profiles.default = {
          isDefault = true;
          withExternalGnupg = true;
        };
        settings = {
          "app.update.auto" = false;
          "browser.display.document_color_use" = 2;
          "browser.display.use_system_colors" = true;
          "browser.search.region" = "US";
          "browser.search.update" = false;
          "datareporting.healthreport.uploadEnabled" = false;
          "full-screen-api.warning.delay" = 0;
          "full-screen-api.warning.timeout" = 0;
          "general.autoScroll" = true;
          "general.smoothScroll" = true;
          "mail.default_send_format" = 0;
          "mail.tabs.drawInTitlebar" =
            if config.nixfiles.modules.kde.enable
            then 1
            else 0;
          "mailnews.start_page.url" = "about:blank";
          "media.autoplay.blocking_policy" = 2;
          "media.autoplay.default" = 5;
          "media.autoplay.enabled" = false;
          "media.hardwaremediakeys.enabled" = false;
          "network.cookie.cookieBehavior" = 2;
          "places.history.enabled" = false;
          "reader.parse-on-load.enabled" = false;
          "toolkit.legacyUserProfileCustomizations.stylesheets" = true;
        };
      };
    };
  };
}