"""Support for Hydrawise sprinkler binary sensors."""
import logging

import voluptuous as vol

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

from . import (
    BINARY_SENSORS,
    DATA_HYDRAWISE,
    DEVICE_MAP,
    DEVICE_MAP_INDEX,
    HydrawiseEntity,
)

_LOGGER = logging.getLogger(__name__)

PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
    {
        vol.Optional(CONF_MONITORED_CONDITIONS, default=BINARY_SENSORS): vol.All(
            cv.ensure_list, [vol.In(BINARY_SENSORS)]
        )
    }
)


def setup_platform(hass, config, add_entities, discovery_info=None):
    """Set up a sensor for a Hydrawise device."""
    hydrawise = hass.data[DATA_HYDRAWISE].data

    sensors = []
    for sensor_type in config.get(CONF_MONITORED_CONDITIONS):
        if sensor_type in ["status", "rain_sensor"]:
            sensors.append(
                HydrawiseBinarySensor(hydrawise.controller_status, sensor_type)
            )

        else:
            # create a sensor for each zone
            for zone in hydrawise.relays:
                zone_data = zone
                zone_data["running"] = hydrawise.controller_status.get("running", False)
                sensors.append(HydrawiseBinarySensor(zone_data, sensor_type))

    add_entities(sensors, True)


class HydrawiseBinarySensor(HydrawiseEntity, BinarySensorDevice):
    """A sensor implementation for Hydrawise device."""

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

    def update(self):
        """Get the latest data and updates the state."""
        _LOGGER.debug("Updating Hydrawise binary sensor: %s", self._name)
        mydata = self.hass.data[DATA_HYDRAWISE].data
        if self._sensor_type == "status":
            self._state = mydata.status == "All good!"
        elif self._sensor_type == "rain_sensor":
            for sensor in mydata.sensors:
                if sensor["name"] == "Rain":
                    self._state = sensor["active"] == 1
        elif self._sensor_type == "is_watering":
            if not mydata.running:
                self._state = False
            elif int(mydata.running[0]["relay"]) == self.data["relay"]:
                self._state = True
            else:
                self._state = False

    @property
    def device_class(self):
        """Return the device class of the sensor type."""
        return DEVICE_MAP[self._sensor_type][
            DEVICE_MAP_INDEX.index("DEVICE_CLASS_INDEX")
        ]