"""Support for the Netatmo binary sensors."""
import logging

import voluptuous as vol

from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorDevice
from homeassistant.const import CONF_TIMEOUT
from homeassistant.helpers import config_validation as cv

from .const import DATA_NETATMO_AUTH
from . import CameraData

_LOGGER = logging.getLogger(__name__)

# These are the available sensors mapped to binary_sensor class
WELCOME_SENSOR_TYPES = {
    "Someone known": "motion",
    "Someone unknown": "motion",
    "Motion": "motion",
}
PRESENCE_SENSOR_TYPES = {
    "Outdoor motion": "motion",
    "Outdoor human": "motion",
    "Outdoor animal": "motion",
    "Outdoor vehicle": "motion",
}
TAG_SENSOR_TYPES = {"Tag Vibration": "vibration", "Tag Open": "opening"}

CONF_HOME = "home"
CONF_CAMERAS = "cameras"
CONF_WELCOME_SENSORS = "welcome_sensors"
CONF_PRESENCE_SENSORS = "presence_sensors"
CONF_TAG_SENSORS = "tag_sensors"

DEFAULT_TIMEOUT = 90

PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
    {
        vol.Optional(CONF_CAMERAS, default=[]): vol.All(cv.ensure_list, [cv.string]),
        vol.Optional(CONF_HOME): cv.string,
        vol.Optional(
            CONF_PRESENCE_SENSORS, default=list(PRESENCE_SENSOR_TYPES)
        ): vol.All(cv.ensure_list, [vol.In(PRESENCE_SENSOR_TYPES)]),
        vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
        vol.Optional(CONF_WELCOME_SENSORS, default=list(WELCOME_SENSOR_TYPES)): vol.All(
            cv.ensure_list, [vol.In(WELCOME_SENSOR_TYPES)]
        ),
    }
)


def setup_platform(hass, config, add_entities, discovery_info=None):
    """Set up the access to Netatmo binary sensor."""
    home = config.get(CONF_HOME)
    timeout = config.get(CONF_TIMEOUT)
    if timeout is None:
        timeout = DEFAULT_TIMEOUT

    module_name = None

    import pyatmo

    auth = hass.data[DATA_NETATMO_AUTH]

    try:
        data = CameraData(hass, auth, home)
        if not data.get_camera_names():
            return None
    except pyatmo.NoDevice:
        return None

    welcome_sensors = config.get(CONF_WELCOME_SENSORS, WELCOME_SENSOR_TYPES)
    presence_sensors = config.get(CONF_PRESENCE_SENSORS, PRESENCE_SENSOR_TYPES)
    tag_sensors = config.get(CONF_TAG_SENSORS, TAG_SENSOR_TYPES)

    for camera_name in data.get_camera_names():
        camera_type = data.get_camera_type(camera=camera_name, home=home)
        if camera_type == "NACamera":
            if CONF_CAMERAS in config:
                if (
                    config[CONF_CAMERAS] != []
                    and camera_name not in config[CONF_CAMERAS]
                ):
                    continue
            for variable in welcome_sensors:
                add_entities(
                    [
                        NetatmoBinarySensor(
                            data,
                            camera_name,
                            module_name,
                            home,
                            timeout,
                            camera_type,
                            variable,
                        )
                    ],
                    True,
                )
        if camera_type == "NOC":
            if CONF_CAMERAS in config:
                if (
                    config[CONF_CAMERAS] != []
                    and camera_name not in config[CONF_CAMERAS]
                ):
                    continue
            for variable in presence_sensors:
                add_entities(
                    [
                        NetatmoBinarySensor(
                            data,
                            camera_name,
                            module_name,
                            home,
                            timeout,
                            camera_type,
                            variable,
                        )
                    ],
                    True,
                )

        for module_name in data.get_module_names(camera_name):
            for variable in tag_sensors:
                camera_type = None
                add_entities(
                    [
                        NetatmoBinarySensor(
                            data,
                            camera_name,
                            module_name,
                            home,
                            timeout,
                            camera_type,
                            variable,
                        )
                    ],
                    True,
                )


class NetatmoBinarySensor(BinarySensorDevice):
    """Represent a single binary sensor in a Netatmo Camera device."""

    def __init__(
        self, data, camera_name, module_name, home, timeout, camera_type, sensor
    ):
        """Set up for access to the Netatmo camera events."""
        self._data = data
        self._camera_name = camera_name
        self._module_name = module_name
        self._home = home
        self._timeout = timeout
        if home:
            self._name = f"{home} / {camera_name}"
        else:
            self._name = camera_name
        if module_name:
            self._name += " / " + module_name
        self._sensor_name = sensor
        self._name += " " + sensor
        self._cameratype = camera_type
        self._state = None

    @property
    def name(self):
        """Return the name of the Netatmo device and this sensor."""
        return self._name

    @property
    def device_class(self):
        """Return the class of this sensor, from DEVICE_CLASSES."""
        if self._cameratype == "NACamera":
            return WELCOME_SENSOR_TYPES.get(self._sensor_name)
        if self._cameratype == "NOC":
            return PRESENCE_SENSOR_TYPES.get(self._sensor_name)
        return TAG_SENSOR_TYPES.get(self._sensor_name)

    @property
    def is_on(self):
        """Return true if binary sensor is on."""
        return self._state

    def update(self):
        """Request an update from the Netatmo API."""
        self._data.update()
        self._data.update_event()

        if self._cameratype == "NACamera":
            if self._sensor_name == "Someone known":
                self._state = self._data.camera_data.someoneKnownSeen(
                    self._home, self._camera_name, self._timeout
                )
            elif self._sensor_name == "Someone unknown":
                self._state = self._data.camera_data.someoneUnknownSeen(
                    self._home, self._camera_name, self._timeout
                )
            elif self._sensor_name == "Motion":
                self._state = self._data.camera_data.motionDetected(
                    self._home, self._camera_name, self._timeout
                )
        elif self._cameratype == "NOC":
            if self._sensor_name == "Outdoor motion":
                self._state = self._data.camera_data.outdoormotionDetected(
                    self._home, self._camera_name, self._timeout
                )
            elif self._sensor_name == "Outdoor human":
                self._state = self._data.camera_data.humanDetected(
                    self._home, self._camera_name, self._timeout
                )
            elif self._sensor_name == "Outdoor animal":
                self._state = self._data.camera_data.animalDetected(
                    self._home, self._camera_name, self._timeout
                )
            elif self._sensor_name == "Outdoor vehicle":
                self._state = self._data.camera_data.carDetected(
                    self._home, self._camera_name, self._timeout
                )
        if self._sensor_name == "Tag Vibration":
            self._state = self._data.camera_data.moduleMotionDetected(
                self._home, self._module_name, self._camera_name, self._timeout
            )
        elif self._sensor_name == "Tag Open":
            self._state = self._data.camera_data.moduleOpened(
                self._home, self._module_name, self._camera_name, self._timeout
            )