{ config, pkgs, lib, ... }:
{
  options = {
    netbird = {
      enable = lib.mkEnableOption {
        description = "Enable Netbird";
        default = false;
      };
      opts = {
        setup_key = lib.mkOption {
          type = lib.types.str;
          description = ''
            Setup key obtained from the Management Service Dashboard (used to register peer)
          '';
          default = "";
        };
        management_url = lib.mkOption {
          type = lib.types.str;
          description = ''
            Management Service URL [http|https]://[host]:[port]
          '';
          default = "https://api.wiretrustee.com:443";
        };
        admin_url = lib.mkOption {
          type = lib.types.str;
          description = ''
            Admin Panel URL [http|https]://[host]:[port]
          '';
          default = "https://app.netbird.io";
        };
      };
    };
  };
  # TODO: This code should live somewhere else and be available to everything.
  # mkIfElse = p: yes: no: lib.mkMerge [
  #   (lib.mkIf p yes)
  #   (lib.mkif (!p) no)
  # ];
  config = lib.mkIf (config.netbird.enable)
    (lib.mkMerge [
      {
        services.netbird.tunnels = {
          wt0.environment = (lib.mkMerge [
            {
              NB_MANAGEMENT_URL = config.netbird.opts.management_url;
              NB_ADMIN_URL = config.netbird.opts.admin_url;
            }
            (lib.mkIf (config.netbird.opts.setup_key != "") {
              NB_SETUP_KEY = config.netbird.opts.setup_key;
            })
          ]);
        };
      }
      (lib.mkIf (config.gui.enable) {
        home-manager.users.${config.user} = {
          home.packages = [
            pkgs.netbird-ui
          ];
        };
      })
    ]);
}