"""Support for Speedtest.net internet speed testing sensor."""
import logging

from homeassistant.const import ATTR_ATTRIBUTION
from homeassistant.helpers.entity import Entity

from .const import (
    ATTR_BYTES_RECEIVED,
    ATTR_BYTES_SENT,
    ATTR_SERVER_COUNTRY,
    ATTR_SERVER_ID,
    ATTR_SERVER_NAME,
    ATTRIBUTION,
    DEFAULT_NAME,
    DOMAIN,
    ICON,
    SENSOR_TYPES,
)

_LOGGER = logging.getLogger(__name__)


async def async_setup_entry(hass, config_entry, async_add_entities):
    """Set up the Speedtestdotnet sensors."""

    speedtest_coordinator = hass.data[DOMAIN]

    entities = []
    for sensor_type in SENSOR_TYPES:
        entities.append(SpeedtestSensor(speedtest_coordinator, sensor_type))

    async_add_entities(entities)


class SpeedtestSensor(Entity):
    """Implementation of a speedtest.net sensor."""

    def __init__(self, coordinator, sensor_type):
        """Initialize the sensor."""
        self._name = SENSOR_TYPES[sensor_type][0]
        self.coordinator = coordinator
        self.type = sensor_type
        self._unit_of_measurement = SENSOR_TYPES[self.type][1]

    @property
    def name(self):
        """Return the name of the sensor."""
        return f"{DEFAULT_NAME} {self._name}"

    @property
    def unique_id(self):
        """Return sensor unique_id."""
        return self.type

    @property
    def state(self):
        """Return the state of the device."""
        state = None
        if self.type == "ping":
            state = self.coordinator.data["ping"]
        elif self.type == "download":
            state = round(self.coordinator.data["download"] / 10 ** 6, 2)
        elif self.type == "upload":
            state = round(self.coordinator.data["upload"] / 10 ** 6, 2)
        return state

    @property
    def unit_of_measurement(self):
        """Return the unit of measurement of this entity, if any."""
        return self._unit_of_measurement

    @property
    def icon(self):
        """Return icon."""
        return ICON

    @property
    def should_poll(self):
        """Return the polling requirement for this sensor."""
        return False

    @property
    def device_state_attributes(self):
        """Return the state attributes."""
        attributes = {
            ATTR_ATTRIBUTION: ATTRIBUTION,
            ATTR_SERVER_NAME: self.coordinator.data["server"]["name"],
            ATTR_SERVER_COUNTRY: self.coordinator.data["server"]["country"],
            ATTR_SERVER_ID: self.coordinator.data["server"]["id"],
        }
        if self.type == "download":
            attributes[ATTR_BYTES_RECEIVED] = self.coordinator.data["bytes_received"]

        if self.type == "upload":
            attributes[ATTR_BYTES_SENT] = self.coordinator.data["bytes_sent"]

        return attributes

    async def async_added_to_hass(self):
        """Handle entity which will be added."""

        self.async_on_remove(
            self.coordinator.async_add_listener(self.async_write_ha_state)
        )

    async def async_update(self):
        """Request coordinator to update data."""
        await self.coordinator.async_request_refresh()