nixos-config/nixos/machines/pepe/home-assistant/zigbee2mqtt/motion.nix

{ pkgs, lib, ... }:
let

  # https://www.zigbee2mqtt.io/devices/RTCGQ01LM.html
  allDevices = {

    "motion_sensor_1" = { id = "0x00158d0002fbd451"; };
    "motion_sensor_2" = { id = "0x00158d0002f9a6b8"; };
    "motion_sensor_3" = { id = "0x00158d0002f04522"; };
    "motion_sensor_4" = { id = "0x00158d0002f9a558"; };
    "motion_sensor_5" = { id = "0x00158d0002f9a56f"; };
    "motion_sensor_6" = { id = "0x00158d0002f9a5cb"; };
    "motion_sensor_7" = { id = "0x00158d0002f9a6aa"; };
    "motion_sensor_8" = { id = "0x00158d0002f04637"; };
  };

in
{

  services.zigbee2mqttConfiguration = lib.mapAttrs'
    (name:
      { id, timeout ? 65, ... }: {
        name = id;
        value = {
          retain = false;
          friendly_name = name;
          # should not be set below 60 seconds
          occupancy_timeout = timeout;
        };
      })
    allDevices;

  services.homeAssistantConfig = {

    # define meta information sensors
    binary_sensor = lib.flatten (lib.mapAttrsToList
      (name:
        { ... }: [{
          name = "${name}";
          platform = "mqtt";
          state_topic = "zigbee2mqtt/${name}";
          availability_topic = "zigbee2mqtt/bridge/state";
          value_template = "{{ value_json.occupancy }}";
          #icon = "mdi:battery-10";
          payload_on = true;
          payload_off = false;
          device_class = "motion";
        }])
      allDevices);

    # define meta information sensors
    sensor = lib.flatten (lib.mapAttrsToList
      (name:
        { ... }: [
          {
            name = "battery_${name}";
            platform = "mqtt";
            state_topic = "zigbee2mqtt/${name}";
            availability_topic = "zigbee2mqtt/bridge/state";
            unit_of_measurement = "%";
            icon = "mdi:battery-10";
            value_template = "{{ value_json.battery }}";
          }
          {
            name = "link_${name}";
            platform = "mqtt";
            state_topic = "zigbee2mqtt/${name}";
            availability_topic = "zigbee2mqtt/bridge/state";
            icon = "mdi:signal";
            unit_of_measurement = "lqi";
            value_template = "{{ value_json.linkquality }}";
          }
        ])
      allDevices);
  };
}