"""
Interfaces with Verisure sensors.

For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.verisure/
"""
import logging

from homeassistant.components.verisure import HUB as hub
from homeassistant.components.verisure import (
    CONF_THERMOMETERS, CONF_HYDROMETERS, CONF_MOUSE)
from homeassistant.const import TEMP_CELSIUS
from homeassistant.helpers.entity import Entity

_LOGGER = logging.getLogger(__name__)


def setup_platform(hass, config, add_entities, discovery_info=None):
    """Set up the Verisure platform."""
    sensors = []
    hub.update_overview()

    if int(hub.config.get(CONF_THERMOMETERS, 1)):
        sensors.extend([
            VerisureThermometer(device_label)
            for device_label in hub.get(
                '$.climateValues[?(@.temperature)].deviceLabel')])

    if int(hub.config.get(CONF_HYDROMETERS, 1)):
        sensors.extend([
            VerisureHygrometer(device_label)
            for device_label in hub.get(
                '$.climateValues[?(@.humidity)].deviceLabel')])

    if int(hub.config.get(CONF_MOUSE, 1)):
        sensors.extend([
            VerisureMouseDetection(device_label)
            for device_label in hub.get(
                "$.eventCounts[?(@.deviceType=='MOUSE1')].deviceLabel")])

    add_entities(sensors)


class VerisureThermometer(Entity):
    """Representation of a Verisure thermometer."""

    def __init__(self, device_label):
        """Initialize the sensor."""
        self._device_label = device_label

    @property
    def name(self):
        """Return the name of the device."""
        return hub.get_first(
            "$.climateValues[?(@.deviceLabel=='%s')].deviceArea",
            self._device_label) + " temperature"

    @property
    def state(self):
        """Return the state of the device."""
        return hub.get_first(
            "$.climateValues[?(@.deviceLabel=='%s')].temperature",
            self._device_label)

    @property
    def available(self):
        """Return True if entity is available."""
        return hub.get_first(
            "$.climateValues[?(@.deviceLabel=='%s')].temperature",
            self._device_label) is not None

    @property
    def unit_of_measurement(self):
        """Return the unit of measurement of this entity."""
        return TEMP_CELSIUS

    # pylint: disable=no-self-use
    def update(self):
        """Update the sensor."""
        hub.update_overview()


class VerisureHygrometer(Entity):
    """Representation of a Verisure hygrometer."""

    def __init__(self, device_label):
        """Initialize the sensor."""
        self._device_label = device_label

    @property
    def name(self):
        """Return the name of the device."""
        return hub.get_first(
            "$.climateValues[?(@.deviceLabel=='%s')].deviceArea",
            self._device_label) + " humidity"

    @property
    def state(self):
        """Return the state of the device."""
        return hub.get_first(
            "$.climateValues[?(@.deviceLabel=='%s')].humidity",
            self._device_label)

    @property
    def available(self):
        """Return True if entity is available."""
        return hub.get_first(
            "$.climateValues[?(@.deviceLabel=='%s')].humidity",
            self._device_label) is not None

    @property
    def unit_of_measurement(self):
        """Return the unit of measurement of this entity."""
        return '%'

    # pylint: disable=no-self-use
    def update(self):
        """Update the sensor."""
        hub.update_overview()


class VerisureMouseDetection(Entity):
    """Representation of a Verisure mouse detector."""

    def __init__(self, device_label):
        """Initialize the sensor."""
        self._device_label = device_label

    @property
    def name(self):
        """Return the name of the device."""
        return hub.get_first(
            "$.eventCounts[?(@.deviceLabel=='%s')].area",
            self._device_label) + " mouse"

    @property
    def state(self):
        """Return the state of the device."""
        return hub.get_first(
            "$.eventCounts[?(@.deviceLabel=='%s')].detections",
            self._device_label)

    @property
    def available(self):
        """Return True if entity is available."""
        return hub.get_first(
            "$.eventCounts[?(@.deviceLabel=='%s')]",
            self._device_label) is not None

    @property
    def unit_of_measurement(self):
        """Return the unit of measurement of this entity."""
        return 'Mice'

    # pylint: disable=no-self-use
    def update(self):
        """Update the sensor."""
        hub.update_overview()