nixpkgs/nixos/modules/services/misc/domoticz.nix

{ lib, pkgs, config, ... }:

with lib;

let

  cfg = config.services.domoticz;
  pkgDesc = "Domoticz home automation";

in {

  options = {

    services.domoticz = {
      enable = mkEnableOption (lib.mdDoc pkgDesc);

      bind = mkOption {
        type = types.str;
        default = "0.0.0.0";
        description = lib.mdDoc "IP address to bind to.";
      };

      port = mkOption {
        type = types.port;
        default = 8080;
        description = lib.mdDoc "Port to bind to for HTTP, set to 0 to disable HTTP.";
      };

    };

  };

  config = mkIf cfg.enable {

    systemd.services."domoticz" = {
      description = pkgDesc;
      wantedBy = [ "multi-user.target" ];
      wants = [ "network-online.target" ];
      after = [ "network-online.target" ];
      serviceConfig = {
        DynamicUser = true;
        StateDirectory = "domoticz";
        Restart = "always";
        ExecStart = ''
          ${pkgs.domoticz}/bin/domoticz -noupdates -www ${toString cfg.port} -wwwbind ${cfg.bind} -sslwww 0 -userdata /var/lib/domoticz -approot ${pkgs.domoticz}/share/domoticz/ -pidfile /var/run/domoticz.pid
        '';
      };
    };

  };

}