nix-configs/modules/zwave-js-ui.nix

{ config, lib, pkgs, ... }:
let
  inherit (lib) mkIf mkEnableOption mkOption types;
  cfg = config.services.zwave-js-ui;
in {
  options.services.zwave-js-ui = {
    enable = mkEnableOption "zwave-js-ui";
    store = mkOption {
      type = types.path;
      default = "/var/lib/zwave-js-ui";
      description = ''
        Where zwave-js-ui information will be stored
      '';
    };
  };
  config = mkIf cfg.enable {
    assertions = [{
      assertion = !config.services.zwave-js.enable;
      message = "zwave-js-ui conflicts with zwave-js";
    }];
    systemd.services.zwave-js-ui = {
      environment = {
        STORE_DIR = cfg.store;
        ZWAVEJS_EXTERNAL_CONFIG = "${cfg.store}/.config-db";
      };
      script = "${pkgs.zwave-js-ui}/bin/zwave-js-ui";
    };
  };
}