{ pkgs, ... }:

let
  extensionUrl = "https://git.mizuki.guru/imnyang/thisiswindowsfigma/releases/download/v1.0.0/d168a70cb6a24fe4a478-1.0.0.xpi";
  extensionId = "figma-windows-ua-spoofer@imnyang.local";
in
{
  programs.firefox = {
    enable = true;
    package = pkgs.firefox-devedition;

    policies = {
      DisableAppUpdate = true;
      ExtensionSettings = {
        ${extensionId} = {
          installation_mode = "force_installed";
          install_url = extensionUrl;
        };
      };
    };
  };

  xdg.mimeApps.defaultApplications = {
    "text/html" = [ "firefox-devedition.desktop" ];
    "x-scheme-handler/http" = [ "firefox-devedition.desktop" ];
    "x-scheme-handler/https" = [ "firefox-devedition.desktop" ];
    "x-scheme-handler/about" = [ "firefox-devedition.desktop" ];
    "x-scheme-handler/unknown" = [ "firefox-devedition.desktop" ];
  };
}