nixos-config/modules/cups.nix

# SPDX-FileCopyrightText: 2020-2024 Simon Bruder <simon@sbruder.de>
#
# SPDX-License-Identifier: AGPL-3.0-or-later

{ config, lib, pkgs, ... }:
let
  printersPerServer = {
    fuuko = [
      {
        name = "etikettierviech";
        deviceUri = "usb://SII/SLP650?serial=32152867B0";
        model = "seiko/siislp650.ppd.gz";
      }
    ];
  };
in
{
  options.sbruder.printing = {
    server.enable = lib.mkEnableOption "printing server";
    client.enable = (lib.mkEnableOption "printing client") // { default = config.sbruder.gui.enable; };
  };
  config = lib.mkMerge [
    (lib.mkIf (config.sbruder.printing.client.enable || config.sbruder.printing.server.enable) {
      services.printing = {
        enable = true;
        drivers = with pkgs; [
          cups-sii-slp-400-600
          gutenprint
        ];
      };
    })
    (lib.mkIf config.sbruder.printing.server.enable {
      services.printing = {
        stateless = true;
        startWhenNeeded = false; # cups.socket interferes with cups.service (cups.socket binds to IPv4, so cups.service can only bind to IPv6)
        listenAddresses = [ "*:631" ];
        allowFrom = [ "all" ];
        openFirewall = true;
        defaultShared = true;
        extraConf = ''
          ServerAlias fuuko.lan.shinonome-lab.de
        '';
      };
      hardware.printers.ensurePrinters = printersPerServer.${config.networking.hostName};
    })
    (lib.mkIf config.sbruder.printing.client.enable {
      services.avahi.enable = true;
      hardware.printers.ensurePrinters = [
        {
          name = "etikettierviech";
          model = "everywhere";
          deviceUri = "ipps://fuuko.lan.shinonome-lab.de:631/printers/etikettierviech";
          description = "SII SLP 650";
        }
      ];
    })
  ];
}