"""The tests for the Netgear Arlo sensors."""
from collections import namedtuple
from unittest.mock import patch

import pytest

from homeassistant.components.arlo import DATA_ARLO, sensor as arlo
from homeassistant.const import (
    ATTR_ATTRIBUTION,
    DEVICE_CLASS_HUMIDITY,
    DEVICE_CLASS_TEMPERATURE,
    PERCENTAGE,
)


def _get_named_tuple(input_dict):
    return namedtuple("Struct", input_dict.keys())(*input_dict.values())


def _get_sensor(name="Last", sensor_type="last_capture", data=None):
    if data is None:
        data = {}
    return arlo.ArloSensor(name, data, sensor_type)


@pytest.fixture()
def default_sensor():
    """Create an ArloSensor with default values."""
    return _get_sensor()


@pytest.fixture()
def battery_sensor():
    """Create an ArloSensor with battery data."""
    data = _get_named_tuple({"battery_level": 50})
    return _get_sensor("Battery Level", "battery_level", data)


@pytest.fixture()
def temperature_sensor():
    """Create a temperature ArloSensor."""
    return _get_sensor("Temperature", "temperature")


@pytest.fixture()
def humidity_sensor():
    """Create a humidity ArloSensor."""
    return _get_sensor("Humidity", "humidity")


@pytest.fixture()
def cameras_sensor():
    """Create a total cameras ArloSensor."""
    data = _get_named_tuple({"cameras": [0, 0]})
    return _get_sensor("Arlo Cameras", "total_cameras", data)


@pytest.fixture()
def captured_sensor():
    """Create a captured today ArloSensor."""
    data = _get_named_tuple({"captured_today": [0, 0, 0, 0, 0]})
    return _get_sensor("Captured Today", "captured_today", data)


class PlatformSetupFixture:
    """Fixture for testing platform setup call to add_entities()."""

    def __init__(self):
        """Instantiate the platform setup fixture."""
        self.sensors = None
        self.update = False

    def add_entities(self, sensors, update):
        """Mock method for adding devices."""
        self.sensors = sensors
        self.update = update


@pytest.fixture()
def platform_setup():
    """Create an instance of the PlatformSetupFixture class."""
    return PlatformSetupFixture()


@pytest.fixture()
def sensor_with_hass_data(default_sensor, hass):
    """Create a sensor with async_dispatcher_connected mocked."""
    hass.data = {}
    default_sensor.hass = hass
    return default_sensor


@pytest.fixture()
def mock_dispatch():
    """Mock the dispatcher connect method."""
    target = "homeassistant.components.arlo.sensor.async_dispatcher_connect"
    with patch(target) as _mock:
        yield _mock


def test_setup_with_no_data(platform_setup, hass):
    """Test setup_platform with no data."""
    arlo.setup_platform(hass, None, platform_setup.add_entities)
    assert platform_setup.sensors is None
    assert not platform_setup.update


def test_setup_with_valid_data(platform_setup, hass):
    """Test setup_platform with valid data."""
    config = {
        "monitored_conditions": [
            "last_capture",
            "total_cameras",
            "captured_today",
            "battery_level",
            "signal_strength",
            "temperature",
            "humidity",
            "air_quality",
        ]
    }

    hass.data[DATA_ARLO] = _get_named_tuple(
        {
            "cameras": [_get_named_tuple({"name": "Camera", "model_id": "ABC1000"})],
            "base_stations": [
                _get_named_tuple({"name": "Base Station", "model_id": "ABC1000"})
            ],
        }
    )

    arlo.setup_platform(hass, config, platform_setup.add_entities)
    assert len(platform_setup.sensors) == 8
    assert platform_setup.update


def test_sensor_name(default_sensor):
    """Test the name property."""
    assert default_sensor.name == "Last"


async def test_async_added_to_hass(sensor_with_hass_data, mock_dispatch):
    """Test dispatcher called when added."""
    await sensor_with_hass_data.async_added_to_hass()
    assert len(mock_dispatch.mock_calls) == 1
    kall = mock_dispatch.call_args
    args, kwargs = kall
    assert len(args) == 3
    assert args[0] == sensor_with_hass_data.hass
    assert args[1] == "arlo_update"
    assert not kwargs


def test_sensor_state_default(default_sensor):
    """Test the state property."""
    assert default_sensor.state is None


def test_sensor_icon_battery(battery_sensor):
    """Test the battery icon."""
    assert battery_sensor.icon == "mdi:battery-50"


def test_sensor_icon(temperature_sensor):
    """Test the icon property."""
    assert temperature_sensor.icon == "mdi:thermometer"


def test_unit_of_measure(default_sensor, battery_sensor):
    """Test the unit_of_measurement property."""
    assert default_sensor.unit_of_measurement is None
    assert battery_sensor.unit_of_measurement == PERCENTAGE


def test_device_class(default_sensor, temperature_sensor, humidity_sensor):
    """Test the device_class property."""
    assert default_sensor.device_class is None
    assert temperature_sensor.device_class == DEVICE_CLASS_TEMPERATURE
    assert humidity_sensor.device_class == DEVICE_CLASS_HUMIDITY


def test_update_total_cameras(cameras_sensor):
    """Test update method for total_cameras sensor type."""
    cameras_sensor.update()
    assert cameras_sensor.state == 2


def test_update_captured_today(captured_sensor):
    """Test update method for captured_today sensor type."""
    captured_sensor.update()
    assert captured_sensor.state == 5


def _test_attributes(sensor_type):
    data = _get_named_tuple({"model_id": "TEST123"})
    sensor = _get_sensor("test", sensor_type, data)
    attrs = sensor.extra_state_attributes
    assert attrs.get(ATTR_ATTRIBUTION) == "Data provided by arlo.netgear.com"
    assert attrs.get("brand") == "Netgear Arlo"
    assert attrs.get("model") == "TEST123"


def test_state_attributes():
    """Test attributes for camera sensor types."""
    _test_attributes("battery_level")
    _test_attributes("signal_strength")
    _test_attributes("temperature")
    _test_attributes("humidity")
    _test_attributes("air_quality")


def test_attributes_total_cameras(cameras_sensor):
    """Test attributes for total cameras sensor type."""
    attrs = cameras_sensor.extra_state_attributes
    assert attrs.get(ATTR_ATTRIBUTION) == "Data provided by arlo.netgear.com"
    assert attrs.get("brand") == "Netgear Arlo"
    assert attrs.get("model") is None


def _test_update(sensor_type, key, value):
    data = _get_named_tuple({key: value})
    sensor = _get_sensor("test", sensor_type, data)
    sensor.update()
    assert sensor.state == value


def test_update():
    """Test update method for direct transcription sensor types."""
    _test_update("battery_level", "battery_level", 100)
    _test_update("signal_strength", "signal_strength", 100)
    _test_update("temperature", "ambient_temperature", 21.4)
    _test_update("humidity", "ambient_humidity", 45.1)
    _test_update("air_quality", "ambient_air_quality", 14.2)