nixos-config/home-manager/modules/firefox/default.nix

{ pkgs
, config
, lib
, ...
}:
with lib; let
  cfg = config.eboskma.programs.firefox;

  profileSettings = {
    "devtools.theme" = "dark";
    "widget.content.allow-gtk-dark-theme" = true;
    "ui.key.menuAccessKeyFocuses" = false;
    "image.avif.enabled" = true;
    "image.webp.enabled" = true;
    "privacy.webrtc.allowSilencingNotifications" = true;
    "privacy.webrtc.legacyGlobalIndicator" = false;
    "browser.shell.checkDefaultBrowser" = false;
    "security.tls.enable_0rtt_data" = false;
    "media.ffmpeg.vaapi.enabled" = true;
    "media.rdd-ffmpeg.enabled" = true;
  };

  nonDefaultDesktop = pkgs.makeDesktopItem {
    name =
      "firefox-"
      + (
        if cfg.work
        then "private"
        else "horus"
      );
    desktopName =
      "Firefox ("
      + (
        if cfg.work
        then "Private"
        else "Horus"
      )
      + ")";
    exec =
      "firefox -P "
      + (
        if cfg.work
        then "private"
        else "horus"
      )
      + " %u";
    icon = "firefox";
    categories = [ "GNOME" "GTK" "Network" "WebBrowser" ];
    mimeTypes = [
      "text/html"
      "text/xml"
      "application/xhtml+xml"
      "application/xml"
      "application/rss+xml"
      "application/rdf+xml"
      "image/gif"
      "image/jpeg"
      "image/png"
      "x-scheme-handler/http"
      "x-scheme-handler/https"
      "x-scheme-handler/ftp"
      "x-scheme-handler/chrome"
      "video/webm"
      "application/x-xpinstall"
    ];
    startupNotify = true;
    extraConfig = {
      "X-MultipleArgs" = "false";
    };
  };
in
{
  options.eboskma.programs.firefox = {
    enable = mkEnableOption "enable firefox";
    work = mkOption {
      description = "whether this is a work config";
      type = types.bool;
      default = false;
    };
  };

  config = mkIf cfg.enable {
    programs.firefox = {
      enable = true;
      package = pkgs.firefox-bin;

      profiles = {
        private = {
          id = 0;
          isDefault = !cfg.work;
          settings = profileSettings;
        };

        horus = {
          id = 1;
          isDefault = cfg.work;
          settings = profileSettings;
        };
      };
    };

    home.packages = [ nonDefaultDesktop ];
  };
}