{
  pkgs,
  lib,
  config,
  ...
}:
let
  cfg = config.services.hive-c0re;
in
{
  options.services.hive-c0re = {
    enable = lib.mkEnableOption "hive-c0re — hyperhive coordinator daemon";
    package = lib.mkOption {
      type = lib.types.package;
      default = pkgs.hyperhive;
      defaultText = lib.literalExpression "pkgs.hyperhive";
      description = "Package that provides /bin/hive-c0re.";
    };
  };

  config = lib.mkIf cfg.enable {
    systemd.services.hive-c0re = {
      description = "hyperhive coordinator daemon";
      wantedBy = [ "multi-user.target" ];
      serviceConfig = {
        ExecStart = "${cfg.package}/bin/hive-c0re";
        Restart = "on-failure";
        RestartSec = 2;
      };
    };
  };
}