"""Support for INSTEON dimmers via PowerLinc Modem."""
from homeassistant.components.switch import DOMAIN as SWITCH_DOMAIN, SwitchEntity
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect

from .const import SIGNAL_ADD_ENTITIES
from .insteon_entity import InsteonEntity
from .utils import async_add_insteon_entities


async def async_setup_entry(hass, config_entry, async_add_entities):
    """Set up the Insteon switches from a config entry."""

    @callback
    def async_add_insteon_switch_entities(discovery_info=None):
        """Add the Insteon entities for the platform."""
        async_add_insteon_entities(
            hass, SWITCH_DOMAIN, InsteonSwitchEntity, async_add_entities, discovery_info
        )

    signal = f"{SIGNAL_ADD_ENTITIES}_{SWITCH_DOMAIN}"
    async_dispatcher_connect(hass, signal, async_add_insteon_switch_entities)
    async_add_insteon_switch_entities()


class InsteonSwitchEntity(InsteonEntity, SwitchEntity):
    """A Class for an Insteon switch entity."""

    @property
    def is_on(self):
        """Return the boolean response if the node is on."""
        return bool(self._insteon_device_group.value)

    async def async_turn_on(self, **kwargs):
        """Turn switch on."""
        await self._insteon_device.async_on(group=self._insteon_device_group.group)

    async def async_turn_off(self, **kwargs):
        """Turn switch off."""
        await self._insteon_device.async_off(group=self._insteon_device_group.group)
