{ pkgs, config, lib, ... }:
let unstablePkgs = import <nixpkgs-unstable> { };
in {

  imports = [
    ./home-assistant/chaospott.nix
    ./home-assistant/holiday.nix
    ./home-assistant/mpd.nix
    ./home-assistant/sonoff.nix
    ./home-assistant/mqtt.nix
    ./home-assistant/dayOfWeek.nix
    ./home-assistant/timer.nix
    ./home-assistant/kodi.nix
    ./home-assistant/zigbee2mqtt.nix
  ];

  services.homeAssistantConfig = {

    # turn on to edit GUI
    # lovelace = {};

    homeassistant = {
      latitude = 51.444847;
      longitude = 6.967006;
      elevation = 116;

      auth_providers = [{
        type = "trusted_networks";
        trusted_networks =
          [ config.module.cluster.services.tinc."private".networkSubnet ];
      }];
    };

    prometheus.namespace = "hass";

    automation = [

      # todo when ich weis ich bin zuhause
      #{
      #  alias = "Licht and wenn Dunkel";
      #  trigger = {
      #    platform = "state";
      #    entity_id = [ "binary_sensor.night" ];
      #    from = "off";
      #    to = "on";
      #  };
      #  action = [
      #    {
      #      service = "switch.turn_on";
      #      entity_id = "group.kitchen";
      #    }
      #    {
      #      service = "switch.turn_on";
      #      entity_id = "group.living_room";
      #    }
      #  ];
      #}

      #{
      #  alias = "Küchen Sensor An";
      #  trigger = {
      #    platform = "state";
      #    entity_id = [ "binary_sensor.motion_1" ];
      #    to = "on";
      #  };
      #  action = {
      #    service = "switch.turn_on";
      #    entity_id = "group.kitchen";
      #  };
      #}

      #{
      #  alias = "Küchen Sensor aus";
      #  trigger = {
      #    platform = "state";
      #    entity_id = [ "binary_sensor.motion_1" ];
      #    to = "off";
      #    for = "00:00:25";
      #  };
      #  action = {
      #    service = "switch.turn_off";
      #    entity_id = "group.kitchen";
      #  };
      #}
    ];

    group = {
      bed_room = {
        name = "Schlafzimmer";
        view = false;
      };
      tv = {
        name = "TV";
        view = false;
      };
      living_room = {
        name = "Wohnzimmer";
        view = false;
      };
      kitchen = {
        name = "Küche";
        view = false;
      };
      today = {
        control = "hidden";
        name = "Today";
        view = false;
        entities = [ "sensor.weather_temperature" "sun.sun" ];
      };
      all_lights = {
        name = "All Lights";
        view = false;
      };
      unknown = {
        control = "hidden";
        name = "Not Used";
        view = false;
      };

      view_rooms = {
        name = "Räume";
        view = true;
        entities = [
          "group.all_lights"
          "group.bed_room"
          "group.living_room"
          "group.kitchen"
          "group.tv"
        ];
      };

      view_overview = {
        name = "Übersicht";
        view = true;
        entities = [ "group.today" ];
      };

    };

    sun = { };

    script.turn_all_off.sequence = [ ];

    script.turn_all_on.sequence = [ ];

    sensor = [
      # Weather prediction
      {
        platform = "zamg";
        name = "Weather";
      }
    ];

    # todo: add holidays package to home-assiatnt
    binary_sensor = [
      {
        name = "before_workday";
        platform = "workday";
        country = "DE";
        province = "NW";
        workdays = [ "mon" "tue" "wed" "thu" "fri" ];
        days_offset = 1;
      }
      {
        name = "workday";
        platform = "workday";
        country = "DE";
        province = "NW";
        workdays = [ "mon" "tue" "wed" "thu" "fri" ];
      }
    ];

  };

  services.home-assistant = {
    enable = true;
    package = unstablePkgs.home-assistant.override {
      python3 = unstablePkgs.python36;
      extraPackages = python: [
        # todo : check which is still needed
        python.netdisco
        python.xmltodict
        python.mpd2

        # for mqtt
        python.hbmqtt
        python.paho-mqtt

        # needed for platform workday
        (python.buildPythonPackage rec {

          pname = "holidays";
          version = "0.9.10";

          src = python.fetchPypi {
            inherit pname version;
            sha256 =
              "9f06d143eb708e8732230260636938f2f57114e94defd8fa2082408e0d422d6f";
          };

          doCheck = false;
          buildInputs = [ pkgs.dateutils ];
          propagatedBuildInputs = [ python."python-dateutil" python."six" ];
          meta = with pkgs.stdenv.lib; {
            homepage = "https://github.com/dr-prodigy/python-holidays";
            license = licenses.mit;
            description = "Generate and work with holidays in Python";
            maintainers = with maintainers; [ mrVanDalo ];
          };

        })
      ];
    };

  };

}