Add fjäråskupan light entity (#54918)

* Add fjäråskupan light

* Update homeassistant/components/fjaraskupan/light.py

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Check property

* Switch to default coordinator update

* Type check constructor

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

.coveragerc

@@ -321,6 +321,7 @@ omit =
     homeassistant/components/fjaraskupan/binary_sensor.py
     homeassistant/components/fjaraskupan/const.py
     homeassistant/components/fjaraskupan/fan.py
+    homeassistant/components/fjaraskupan/light.py
     homeassistant/components/fleetgo/device_tracker.py
     homeassistant/components/flexit/climate.py
     homeassistant/components/flic/binary_sensor.py

homeassistant/components/fjaraskupan/__init__.py

@@ -23,7 +23,7 @@ from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
 from .const import DISPATCH_DETECTION, DOMAIN
 
-PLATFORMS = ["binary_sensor", "fan"]
+PLATFORMS = ["binary_sensor", "fan", "light"]
 
 _LOGGER = logging.getLogger(__name__)
 

homeassistant/components/fjaraskupan/light.py

@@ -0,0 +1,85 @@
+"""Support for lights."""
+from __future__ import annotations
+
+from fjaraskupan import COMMAND_LIGHT_ON_OFF, Device, State
+
+from homeassistant.components.light import (
+    ATTR_BRIGHTNESS,
+    COLOR_MODE_BRIGHTNESS,
+    LightEntity,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity import DeviceInfo, Entity
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.update_coordinator import (
+    CoordinatorEntity,
+    DataUpdateCoordinator,
+)
+
+from . import DeviceState, async_setup_entry_platform
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up tuya sensors dynamically through tuya discovery."""
+
+    def _constructor(device_state: DeviceState) -> list[Entity]:
+        return [
+            Light(
+                device_state.coordinator, device_state.device, device_state.device_info
+            )
+        ]
+
+    async_setup_entry_platform(hass, config_entry, async_add_entities, _constructor)
+
+
+class Light(CoordinatorEntity[State], LightEntity):
+    """Light device."""
+
+    def __init__(
+        self,
+        coordinator: DataUpdateCoordinator[State],
+        device: Device,
+        device_info: DeviceInfo,
+    ) -> None:
+        """Init light entity."""
+        super().__init__(coordinator)
+        self._device = device
+        self._attr_color_mode = COLOR_MODE_BRIGHTNESS
+        self._attr_supported_color_modes = {COLOR_MODE_BRIGHTNESS}
+        self._attr_unique_id = device.address
+        self._attr_device_info = device_info
+        self._attr_name = device_info["name"]
+
+    async def async_turn_on(self, **kwargs):
+        """Turn the light on."""
+        if ATTR_BRIGHTNESS in kwargs:
+            await self._device.send_dim(int(kwargs[ATTR_BRIGHTNESS] * (100.0 / 255.0)))
+        else:
+            if not self.is_on:
+                await self._device.send_command(COMMAND_LIGHT_ON_OFF)
+        self.coordinator.async_set_updated_data(self._device.state)
+
+    async def async_turn_off(self, **kwargs) -> None:
+        """Turn the entity off."""
+        if self.is_on:
+            await self._device.send_command(COMMAND_LIGHT_ON_OFF)
+        self.coordinator.async_set_updated_data(self._device.state)
+
+    @property
+    def is_on(self) -> bool:
+        """Return True if entity is on."""
+        if data := self.coordinator.data:
+            return data.light_on
+        return False
+
+    @property
+    def brightness(self) -> int | None:
+        """Return the brightness of this light between 0..255."""
+        if data := self.coordinator.data:
+            return int(data.dim_level * (255.0 / 100.0))
+        return None