{ config, ... }: 
let
  unstable = import
      (builtins.fetchTarball https://github.com/nixos/nixpkgs/tarball/nixpkgs-unstable)
      # reuse the current configuration
      { config = config.nixpkgs.config; };
in {
  services.home-assistant.customComponents = with unstable.home-assistant-custom-components; [
    moonraker
  ];

  services.home-assistant.config = {
    sensor = [
      {
        platform = "rest";
        name = "creality extruder";
        resource = "http://k1c-63e9.cloonar.smart:7125/printer/objects/query?extruder";
        value_template = "OK";
        json_attributes_path = "$.result.status.extruder";
        json_attributes = [
          "pressure_advance"
          "power"
          "target"
          "temperature"
        ];
      }
      {
        platform = "rest";
        name = "creality print stats";
        resource = "http://k1c-63e9.cloonar.smart:7125/printer/objects/query?print_stats";
        value_template = "OK";
        json_attributes_path = "$.result.status.print_stats";
        json_attributes = [
          "filename"
          "total_duration"
          "print_duration"
          "filament_used"
          "state"
          "message"
        ];
      }
      {
        platform = "template";
        sensors = {
          crality_hotend_actual = {
            friendly_name = "Hot End Actual";
            value_template = "{{ state_attr('sensor.creality_extruder', 'temperature') | float | round(1) }}";
            device_class = "temperature";
            unit_of_measurement = "°C";
          };
        };
      }
    ];
    "automation 3d printer state" = {
      alias = "3d printer state change";
      hide_entity = true;
      trigger = [
        {
          platform = "template";
          value_template = "{{ state_attr('sensor.creality_print_stats','state') == 'standby' }}";
        }
      ];
      action = {
        service = "notify.mobile_app_dominiks_iphone";
        data = {
          message = "Printer status changed to {{ state_attr('sensor.creality_print_stats','state') }}";
        };
      };
    };
  };
}