core/homeassistant/components/iaqualink/light.py

96 lines
2.9 KiB
Python

"""Support for Aqualink pool lights."""
from __future__ import annotations
from typing import Any
from iaqualink.device import AqualinkLight
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ATTR_EFFECT,
DOMAIN as LIGHT_DOMAIN,
ColorMode,
LightEntity,
LightEntityFeature,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from . import refresh_system
from .const import DOMAIN as AQUALINK_DOMAIN
from .entity import AqualinkEntity
from .utils import await_or_reraise
PARALLEL_UPDATES = 0
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up discovered lights."""
async_add_entities(
(HassAqualinkLight(dev) for dev in hass.data[AQUALINK_DOMAIN][LIGHT_DOMAIN]),
True,
)
class HassAqualinkLight(AqualinkEntity, LightEntity):
"""Representation of a light."""
def __init__(self, dev: AqualinkLight) -> None:
"""Initialize AquaLink light."""
super().__init__(dev)
self._attr_name = dev.label
if dev.supports_effect:
self._attr_effect_list = list(dev.supported_effects)
self._attr_supported_features = LightEntityFeature.EFFECT
color_mode = ColorMode.ONOFF
if dev.supports_brightness:
color_mode = ColorMode.BRIGHTNESS
self._attr_color_mode = color_mode
self._attr_supported_color_modes = {color_mode}
@property
def is_on(self) -> bool:
"""Return whether the light is on or off."""
return self.dev.is_on
@refresh_system
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn on the light.
This handles brightness and light effects for lights that do support
them.
"""
# For now I'm assuming lights support either effects or brightness.
if effect_name := kwargs.get(ATTR_EFFECT):
await await_or_reraise(self.dev.set_effect_by_name(effect_name))
elif brightness := kwargs.get(ATTR_BRIGHTNESS):
# Aqualink supports percentages in 25% increments.
pct = int(round(brightness * 4.0 / 255)) * 25
await await_or_reraise(self.dev.set_brightness(pct))
else:
await await_or_reraise(self.dev.turn_on())
@refresh_system
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn off the light."""
await await_or_reraise(self.dev.turn_off())
@property
def brightness(self) -> int:
"""Return current brightness of the light.
The scale needs converting between 0-100 and 0-255.
"""
return self.dev.brightness * 255 / 100
@property
def effect(self) -> str:
"""Return the current light effect if supported."""
return self.dev.effect