self:
{
  config,
  lib,
  pkgs,
  utils,
  ...
}:
let
  cfg = config.services.cozybot;
in
{
  meta.maintainers = with lib.maintainers; [ quadradical ];
  options.services.cozybot = {
    enable = lib.mkEnableOption "the cozybot server";
    package = lib.mkPackageOption self.packages.${pkgs.system} "default" { };
  };

  config = lib.mkIf cfg.enable {
    systemd.services.cozybot = {
      description = "cozybot server";
      documentation = [ "https://git.federated.nexus/Henry-Hiles/cozybot" ];
      wantedBy = [ "multi-user.target" ];
      wants = [ "network-online.target" ];
      after = [ "network-online.target" ];

      serviceConfig = {
        ExecStart = lib.getExe cfg.package;
        DynamicUser = true;
        LockPersonality = true;
        MemoryDenyWriteExecute = true;
        ProtectClock = true;
        ProtectControlGroups = true;
        ProtectHostname = true;
        ProtectKernelLogs = true;
        ProtectKernelModules = true;
        ProtectKernelTunables = true;
        PrivateDevices = true;
        PrivateMounts = true;
        RestrictAddressFamilies = [
          "AF_UNIX"
          "AF_INET"
          "AF_INET6"
        ];
        RestrictNamespaces = true;
        RestrictRealtime = true;
        ProtectHome = true;
        SystemCallArchitectures = "native";
        SystemCallFilter = [
          "@system-service"
          "~@privileged"
          "~@resources"
        ];
        Restart = "always";
        RestartSec = 5;
        UMask = 007;

        RuntimeDirectory = "cozybot";
        RuntimeDirectoryMode = 0770;
        Group = "caddy";
      };
    };
  };
}