{
  lib,
  pkgs,
  config,
  ...
}: {
  options.programs.proton-calendar-pwa = {
    enable = lib.mkEnableOption "enable Proton Calendar PWA";
  };

  config = lib.mkIf config.programs.proton-calendar-pwa.enable (lib.mkMerge [
    {
      xdg.desktopEntries.proton-calendar-pwa = {
        name = "Proton Calendar";
        type = "Application";
        exec = "${pkgs.chromium}/bin/chromium --app=https://calendar.proton.me";
        icon = "chrome-ojibjkjikcpjonjjngfkegflhmffeemk-Default";
        terminal = false;
      };
    }
    (
      lib.mkIf config.impermanence.enable {
        home.persistence."/persist${config.home.homeDirectory}" = {
          directories = [
            "${config.xdg.configHome}/chromium"
          ];
          allowOther = true;
        };
      }
    )
  ]);
}