{ lib, pkgs, config, utils, ... }:
with lib;
let
  cfg = config.services.prometheus.exporters.i2pd-exporter;
  settingsFormat = pkgs.formats.json { };
in
{


  options.services.prometheus.exporters.i2pd-exporter = {

    enable = mkEnableOption (lib.mdDoc "lemmy a federated alternative to reddit in rust");

    listenAddress = mkOption {
      type = with types; nullOr str;
      default = "127.0.0.1";
      description = lib.mdDoc "The connection URI to use. Takes priority over the configuration file if set.";
    };

    port = mkOption {
      type = types.port;
      default = 5733;
      description = lib.mdDoc "The connection URI to use. Takes priority over the configuration file if set.";
    };

    routerAddress = mkOption {
      type = with types; nullOr str;
      default = "http://127.0.0.1:7650";
      description = lib.mdDoc "The connection URI to use. Takes priority over the configuration file if set.";
    };

    routerPassword = mkOption {
      type = with types; nullOr str;
      default = "itoopie";
      description = lib.mdDoc "The connection URI to use. Takes priority over the configuration file if set.";
    };



    systemd.services.i2pd-exporter =
      {
        description = "I2PD prometheus exporter";

        environment = {
          IP = cfg.services.prometheus.exporters.i2pd-exporter.listenAddress;
          PORT = cfg.services.prometheus.exporters.i2pd-exporter.port;
          ADDRESS = cfg.services.prometheus.exporters.i2pd-exporter.routerAddress;
          PASSWORD = cfg.services.prometheus.exporters.i2pd-exporter.routerPassword;
        };

        wantedBy = [ "multi-user.target" ];


        serviceConfig = {
          DynamicUser = true;
          RuntimeDirectory = "i2pd-exporter";
          ExecStart = "${cfg.server.package}/bin/i2pdexporter";
          PrivateTmp = true;
          MemoryDenyWriteExecute = true;
          NoNewPrivileges = true;
        };
      };


  };
}