nixos/modules/common/applications/netbird.nix

{ 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 = "";
        };
        setup_key_file = lib.mkOption {
          type = lib.types.str;
          description = ''
            Path to a file containing a 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 = {
        enable = true;
        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.netbird.opts.setup_key_file != "") {
              NB_SETUP_KEY_FILE = config.netbird.opts.setup_key_file;
            })
          ]);
        };
      };
      environment = {
        variables = {
          NB_MANAGEMENT_URL = config.netbird.opts.management_url;
          NB_ADMIN_URL = config.netbird.opts.admin_url;
          NB_SETUP_KEY = config.netbird.opts.setup_key;
          NB_SETUP_KEY_FILE = config.netbird.opts.setup_key_file;
        };
      };
    }
    (lib.mkIf (config.gui.enable) {
      home-manager.users.${config.user} = {
        home.packages = [
          pkgs.netbird-ui
        ];
      };
    })
  ]);
}