{ pkgs, lib, ... }:
let

  # https://www.zigbee2mqtt.io/devices/GL-C-007-1ID.html
  allDevices = {
    "led_1" = { id = "0x00124b001f7a5be9"; };
    "led_2" = { id = "0x00124b001ee958b3"; };
  };

  # -t "zigbee2mqtt/led_1/set"   -m '{"state":"ON","transition":0, "color_temp":255}'
  # -t "zigbee2mqtt/led_1/set"   -m '{"state":"OFF","transition":0, "color_temp":255}'
  # -t "zigbee2mqtt/led_1/set"   -m '{"state":"ON","brightness":255,"color":{"hex":"#00FFFF"}}'
  # -t "zigbee2mqtt/led_1/set"   -m '{"state":"OFF"}'
in
{

  services.zigbee2mqttConfiguration = lib.mapAttrs'
    (name:
      { id, ... }: {
        name = id;
        value = {
          retain = false;
          friendly_name = name;
          transition = 1;
        };
      })
    allDevices;

  services.homeAssistantConfig = {

    light = lib.mapAttrsToList
      (name:
        { ... }: {
          platform = "mqtt";
          name = name;
          state_topic = "zigbee2mqtt/${name}";
          availability_topic = "zigbee2mqtt/bridge/state";
          command_topic = "zigbee2mqtt/${name}/set";
          value_template = "{{ value_json.click }}";
          brightness = true;
          color_temp = true;
          schema = "json";
        })
      allDevices;

  };

}