{ pkgs, lib, config, ... }:
# no need to set ZIGBEE2MQTT_DATA anymore
assert lib.versionOlder lib.version "21.03";

let unstable = import <nixpkgs-unstable> { };
in {
  imports = [
    ./mqtt.nix
    ./zigbee2mqtt/buttons.nix
    ./zigbee2mqtt/configurationHelper.nix
    ./zigbee2mqtt/doors.nix
    ./zigbee2mqtt/fyrtur.nix
    ./zigbee2mqtt/heater.nix
    ./zigbee2mqtt/leds.nix
    ./zigbee2mqtt/lights.nix
    ./zigbee2mqtt/motion.nix
    ./zigbee2mqtt/repeater.nix
    ./zigbee2mqtt/temperatur.nix
  ];

  services.zigbee2mqtt = {
    enable = true;
    #package = pkgs.own_zigbee2mqtt;
    package = unstable.zigbee2mqtt;
    config = {

      # Home Assistant integration (MQTT discovery)
      homeassistant = false;

      # allow new devices to join
      permit_join = false;

      # MQTT settings
      mqtt = {
        # MQTT base topic for zigbee2mqtt MQTT messages
        base_topic = "zigbee2mqtt";
        # MQTT server URL
        server = "mqtt://127.0.0.1:1883";
        # MQTT server authentication, uncomment if required:
        user = "zigbee";
        password = lib.fileContents <secrets/zigbee/password>;
      };

      # Serial settings
      serial = {
        #port = "/dev/ttyACM0";
        port = "/dev/ttyUSB0";
        # disable LED of CC2531 USB sniffer
        #disable_led = true;
      };

      # you own network key,
      # 16 numbers between 0 and 255
      # see https://www.zigbee2mqtt.io/how_tos/how_to_secure_network.html
      advanced.network_key = import <secrets/home-assistant/zigbee/networkKey>;
      advanced.log_output = [ "console" ];

      advanced.pan_id = 1337;

      # add last seen information
      advanced.last_seen =  "ISO_8601_local"; 

      # configure web ui
      frontend.port = 9666;
      frontend.host = "0.0.0.0";
      experimental.new_api = true;

    };
  };

  systemd.services.zigbee2mqtt.environment = {
    ZIGBEE2MQTT_DATA = "/var/lib/zigbee2mqtt";
  };

  services.nginx = {
    enable = true;
    recommendedProxySettings = true;
    virtualHosts = {
      "zigbee2mqtt.pepe.private" = {
        serverAliases = [ "zigbee.pepe.private" ];
        locations."/" = {
          proxyPass = "http://localhost:${
              toString config.services.zigbee2mqtt.config.frontend.port
            }";
          proxyWebsockets = true;
        };
      };
    };
  };

}