"""Test the Dyson sensor(s) component."""
import unittest
from unittest import mock

import asynctest
from libpurecool.dyson_pure_cool import DysonPureCool
from libpurecool.dyson_pure_cool_link import DysonPureCoolLink

from homeassistant.components import dyson as dyson_parent
from homeassistant.components.dyson import sensor as dyson
from homeassistant.const import (
    STATE_OFF,
    TEMP_CELSIUS,
    TEMP_FAHRENHEIT,
    TIME_HOURS,
    UNIT_PERCENTAGE,
)
from homeassistant.helpers import discovery
from homeassistant.setup import async_setup_component

from tests.common import get_test_home_assistant


def _get_dyson_purecool_device():
    """Return a valid device provide by Dyson web services."""
    device = mock.Mock(spec=DysonPureCool)
    device.serial = "XX-XXXXX-XX"
    device.name = "Living room"
    device.connect = mock.Mock(return_value=True)
    device.auto_connect = mock.Mock(return_value=True)
    device.environmental_state.humidity = 42
    device.environmental_state.temperature = 280
    device.state.hepa_filter_state = 90
    device.state.carbon_filter_state = 80
    return device


def _get_config():
    """Return a config dictionary."""
    return {
        dyson_parent.DOMAIN: {
            dyson_parent.CONF_USERNAME: "email",
            dyson_parent.CONF_PASSWORD: "password",
            dyson_parent.CONF_LANGUAGE: "GB",
            dyson_parent.CONF_DEVICES: [
                {"device_id": "XX-XXXXX-XX", "device_ip": "192.168.0.1"}
            ],
        }
    }


def _get_device_without_state():
    """Return a valid device provide by Dyson web services."""
    device = mock.Mock(spec=DysonPureCoolLink)
    device.name = "Device_name"
    device.state = None
    device.environmental_state = None
    return device


def _get_with_state():
    """Return a valid device with state values."""
    device = mock.Mock()
    device.name = "Device_name"
    device.state = mock.Mock()
    device.state.filter_life = 100
    device.environmental_state = mock.Mock()
    device.environmental_state.dust = 5
    device.environmental_state.humidity = 45
    device.environmental_state.temperature = 295
    device.environmental_state.volatil_organic_compounds = 2

    return device


def _get_with_standby_monitoring():
    """Return a valid device with state but with standby monitoring disable."""
    device = mock.Mock()
    device.name = "Device_name"
    device.state = mock.Mock()
    device.state.filter_life = 100
    device.environmental_state = mock.Mock()
    device.environmental_state.dust = 5
    device.environmental_state.humidity = 0
    device.environmental_state.temperature = 0
    device.environmental_state.volatil_organic_compounds = 2

    return device


class DysonTest(unittest.TestCase):
    """Dyson Sensor component test class."""

    def setUp(self):  # pylint: disable=invalid-name
        """Set up things to be run when tests are started."""
        self.hass = get_test_home_assistant()

    def tearDown(self):  # pylint: disable=invalid-name
        """Stop everything that was started."""
        self.hass.stop()

    def test_setup_component_with_no_devices(self):
        """Test setup component with no devices."""
        self.hass.data[dyson.DYSON_DEVICES] = []
        add_entities = mock.MagicMock()
        dyson.setup_platform(self.hass, None, add_entities)
        add_entities.assert_not_called()

    def test_setup_component(self):
        """Test setup component with devices."""

        def _add_device(devices):
            assert len(devices) == 5
            assert devices[0].name == "Device_name Filter Life"
            assert devices[1].name == "Device_name Dust"
            assert devices[2].name == "Device_name Humidity"
            assert devices[3].name == "Device_name Temperature"
            assert devices[4].name == "Device_name AQI"

        device_fan = _get_device_without_state()
        device_non_fan = _get_with_state()
        self.hass.data[dyson.DYSON_DEVICES] = [device_fan, device_non_fan]
        dyson.setup_platform(self.hass, None, _add_device, mock.MagicMock())

    def test_dyson_filter_life_sensor(self):
        """Test filter life sensor with no value."""
        sensor = dyson.DysonFilterLifeSensor(_get_device_without_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state is None
        assert sensor.unit_of_measurement == TIME_HOURS
        assert sensor.name == "Device_name Filter Life"
        assert sensor.entity_id == "sensor.dyson_1"
        sensor.on_message("message")

    def test_dyson_filter_life_sensor_with_values(self):
        """Test filter sensor with values."""
        sensor = dyson.DysonFilterLifeSensor(_get_with_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == 100
        assert sensor.unit_of_measurement == TIME_HOURS
        assert sensor.name == "Device_name Filter Life"
        assert sensor.entity_id == "sensor.dyson_1"
        sensor.on_message("message")

    def test_dyson_dust_sensor(self):
        """Test dust sensor with no value."""
        sensor = dyson.DysonDustSensor(_get_device_without_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state is None
        assert sensor.unit_of_measurement is None
        assert sensor.name == "Device_name Dust"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_dust_sensor_with_values(self):
        """Test dust sensor with values."""
        sensor = dyson.DysonDustSensor(_get_with_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == 5
        assert sensor.unit_of_measurement is None
        assert sensor.name == "Device_name Dust"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_humidity_sensor(self):
        """Test humidity sensor with no value."""
        sensor = dyson.DysonHumiditySensor(_get_device_without_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state is None
        assert sensor.unit_of_measurement == UNIT_PERCENTAGE
        assert sensor.name == "Device_name Humidity"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_humidity_sensor_with_values(self):
        """Test humidity sensor with values."""
        sensor = dyson.DysonHumiditySensor(_get_with_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == 45
        assert sensor.unit_of_measurement == UNIT_PERCENTAGE
        assert sensor.name == "Device_name Humidity"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_humidity_standby_monitoring(self):
        """Test humidity sensor while device is in standby monitoring."""
        sensor = dyson.DysonHumiditySensor(_get_with_standby_monitoring())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == STATE_OFF
        assert sensor.unit_of_measurement == UNIT_PERCENTAGE
        assert sensor.name == "Device_name Humidity"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_temperature_sensor(self):
        """Test temperature sensor with no value."""
        sensor = dyson.DysonTemperatureSensor(_get_device_without_state(), TEMP_CELSIUS)
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state is None
        assert sensor.unit_of_measurement == "°C"
        assert sensor.name == "Device_name Temperature"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_temperature_sensor_with_values(self):
        """Test temperature sensor with values."""
        sensor = dyson.DysonTemperatureSensor(_get_with_state(), TEMP_CELSIUS)
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == 21.9
        assert sensor.unit_of_measurement == "°C"
        assert sensor.name == "Device_name Temperature"
        assert sensor.entity_id == "sensor.dyson_1"

        sensor = dyson.DysonTemperatureSensor(_get_with_state(), TEMP_FAHRENHEIT)
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == 71.3
        assert sensor.unit_of_measurement == "°F"
        assert sensor.name == "Device_name Temperature"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_temperature_standby_monitoring(self):
        """Test temperature sensor while device is in standby monitoring."""
        sensor = dyson.DysonTemperatureSensor(
            _get_with_standby_monitoring(), TEMP_CELSIUS
        )
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == STATE_OFF
        assert sensor.unit_of_measurement == "°C"
        assert sensor.name == "Device_name Temperature"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_air_quality_sensor(self):
        """Test air quality sensor with no value."""
        sensor = dyson.DysonAirQualitySensor(_get_device_without_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state is None
        assert sensor.unit_of_measurement is None
        assert sensor.name == "Device_name AQI"
        assert sensor.entity_id == "sensor.dyson_1"

    def test_dyson_air_quality_sensor_with_values(self):
        """Test air quality sensor with values."""
        sensor = dyson.DysonAirQualitySensor(_get_with_state())
        sensor.hass = self.hass
        sensor.entity_id = "sensor.dyson_1"
        assert not sensor.should_poll
        assert sensor.state == 2
        assert sensor.unit_of_measurement is None
        assert sensor.name == "Device_name AQI"
        assert sensor.entity_id == "sensor.dyson_1"


@asynctest.patch("libpurecool.dyson.DysonAccount.login", return_value=True)
@asynctest.patch(
    "libpurecool.dyson.DysonAccount.devices",
    return_value=[_get_dyson_purecool_device()],
)
async def test_purecool_component_setup_only_once(devices, login, hass):
    """Test if entities are created only once."""
    config = _get_config()
    await async_setup_component(hass, dyson_parent.DOMAIN, config)
    await hass.async_block_till_done()
    discovery.load_platform(hass, "sensor", dyson_parent.DOMAIN, {}, config)
    await hass.async_block_till_done()

    assert len(hass.data[dyson.DYSON_SENSOR_DEVICES]) == 2