{
  povSelf,
  pkgs,
  lib,
  config,
  hostConfig,
  ...
}:
let
  inherit (lib) types;
  cfg = lib.getAttrFromPath povSelf config;

in
{

  option = {
    type = types.bool;
    default = false;
  };

  config = lib.mkIf cfg {
    systemd.services = {
      mosquitto.requires = [ "mosquittoFixPerms.service" ];
      mosquittoFixPerms.script = ''
        chown -R mosquitto:mosquitto /etc/mosquitto;
      '';
    };

    services.mosquitto = {
      enable = true;
      persistence = false;
      settings.max_keepalive = 60;
      listeners = [
        {
          port = 1883;
          omitPasswordAuth = true;
          users = { };
          settings = {
            allow_anonymous = true;
          };
          acl = [
            "topic readwrite #"
            "pattern readwrite #"
          ];
        }

        {
          address = "::1";
          port = 9005;
          omitPasswordAuth = true;
          users = { };
          settings = {
            protocol = "websockets";
            allow_anonymous = true;
          };
          acl = [
            "topic readwrite #"
            "pattern readwrite #"
          ];
        }
      ];
    };
  };

}