Add select platform to Tuya (#57674)

.coveragerc

@@ -1117,6 +1117,7 @@ omit =
     homeassistant/components/tuya/fan.py
     homeassistant/components/tuya/light.py
     homeassistant/components/tuya/scene.py
+    homeassistant/components/tuya/select.py
     homeassistant/components/tuya/switch.py
     homeassistant/components/twentemilieu/const.py
     homeassistant/components/twentemilieu/sensor.py

homeassistant/components/tuya/const.py

@@ -40,6 +40,7 @@ TUYA_SUPPORTED_PRODUCT_CATEGORIES = (
     "kg",  # Switch
     "kj",  # Air Purifier
     "kj",  # Air Purifier
+    "kfj",  # Coffee maker
     "kt",  # Air conditioner
     "mcs",  # Door Window Sensor
     "pc",  # Power Strip
@@ -53,7 +54,7 @@ TUYA_SUPPORTED_PRODUCT_CATEGORIES = (
 TUYA_SMART_APP = "tuyaSmart"
 SMARTLIFE_APP = "smartlife"
 
-PLATFORMS = ["binary_sensor", "climate", "fan", "light", "scene", "switch"]
+PLATFORMS = ["binary_sensor", "climate", "fan", "light", "scene", "select", "switch"]
 
 
 class DPCode(str, Enum):
@@ -68,6 +69,8 @@ class DPCode(str, Enum):
     CHILD_LOCK = "child_lock"  # Child lock
     COLOUR_DATA = "colour_data"  # Colored light mode
     COLOUR_DATA_V2 = "colour_data_v2"  # Colored light mode
+    CONCENTRATION_SET = "concentration_set"  # Concentration setting
+    CUP_NUMBER = "cup_number"  # NUmber of cups
     DOORCONTACT_STATE = "doorcontact_state"  # Status of door window sensor
     FAN_DIRECTION = "fan_direction"  # Fan direction
     FAN_SPEED_ENUM = "fan_speed_enum"  # Speed mode
@@ -77,6 +80,7 @@ class DPCode(str, Enum):
     HUMIDITY_SET = "humidity_set"  # Humidity setting
     LIGHT = "light"  # Light
     LOCK = "lock"  # Lock / Child lock
+    MATERIAL = "material"  # Material
     MODE = "mode"  # Working mode / Mode
     PUMP_RESET = "pump_reset"  # Water pump reset
     SHAKE = "shake"  # Oscillating

homeassistant/components/tuya/select.py

@@ -0,0 +1,130 @@
+"""Support for Tuya select."""
+from __future__ import annotations
+
+from typing import cast
+
+from tuya_iot import TuyaDevice, TuyaDeviceManager
+from tuya_iot.device import TuyaDeviceStatusRange
+
+from homeassistant.components.select import SelectEntity, SelectEntityDescription
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.dispatcher import async_dispatcher_connect
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import HomeAssistantTuyaData
+from .base import EnumTypeData, TuyaEntity
+from .const import DOMAIN, TUYA_DISCOVERY_NEW, DPCode
+
+# All descriptions can be found here. Mostly the Enum data types in the
+# default instructions set of each category end up being a select.
+# https://developer.tuya.com/en/docs/iot/standarddescription?id=K9i5ql6waswzq
+SELECTS: dict[str, tuple[SelectEntityDescription, ...]] = {
+    # Coffee maker
+    # https://developer.tuya.com/en/docs/iot/categorykfj?id=Kaiuz2p12pc7f
+    "kfj": (
+        SelectEntityDescription(
+            key=DPCode.CUP_NUMBER,
+            name="Cups",
+            icon="mdi:numeric",
+        ),
+        SelectEntityDescription(
+            key=DPCode.CONCENTRATION_SET,
+            name="Concentration",
+            icon="mdi:altimeter",
+        ),
+        SelectEntityDescription(
+            key=DPCode.MATERIAL,
+            name="Material",
+        ),
+        SelectEntityDescription(
+            key=DPCode.MODE,
+            name="Mode",
+        ),
+    ),
+}
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Set up Tuya select dynamically through Tuya discovery."""
+    hass_data: HomeAssistantTuyaData = hass.data[DOMAIN][entry.entry_id]
+
+    @callback
+    def async_discover_device(device_ids: list[str]) -> None:
+        """Discover and add a discovered Tuya select."""
+        entities: list[TuyaSelectEntity] = []
+        for device_id in device_ids:
+            device = hass_data.device_manager.device_map[device_id]
+            if descriptions := SELECTS.get(device.category):
+                for description in descriptions:
+                    if (
+                        description.key in device.function
+                        or description.key in device.status
+                    ):
+                        entities.append(
+                            TuyaSelectEntity(
+                                device, hass_data.device_manager, description
+                            )
+                        )
+
+        async_add_entities(entities)
+
+    async_discover_device([*hass_data.device_manager.device_map])
+
+    entry.async_on_unload(
+        async_dispatcher_connect(hass, TUYA_DISCOVERY_NEW, async_discover_device)
+    )
+
+
+class TuyaSelectEntity(TuyaEntity, SelectEntity):
+    """Tuya Select Entity."""
+
+    def __init__(
+        self,
+        device: TuyaDevice,
+        device_manager: TuyaDeviceManager,
+        description: SelectEntityDescription,
+    ) -> None:
+        """Init Tuya sensor."""
+        super().__init__(device, device_manager)
+        self.entity_description = description
+        self._attr_unique_id = f"{super().unique_id}{description.key}"
+
+        self._attr_opions: list[str] = []
+        if status_range := device.status_range.get(description.key):
+            self._status_range = cast(TuyaDeviceStatusRange, status_range)
+
+            # Extract type data from enum status range,
+            if self._status_range.type == "Enum":
+                type_data = EnumTypeData.from_json(self._status_range.values)
+                self._attr_options = type_data.range
+
+    @property
+    def name(self) -> str | None:
+        """Return Tuya device name."""
+        if self.entity_description.name is not None:
+            return f"{self.tuya_device.name} {self.entity_description.name}"
+        return self.tuya_device.name
+
+    @property
+    def current_option(self) -> str | None:
+        """Return the selected entity option to represent the entity state."""
+        # Raw value
+        value = self.tuya_device.status.get(self.entity_description.key)
+        if value is None or value not in self._attr_options:
+            return None
+
+        return value
+
+    def select_option(self, option: str) -> None:
+        """Change the selected option."""
+        self._send_command(
+            [
+                {
+                    "code": self.entity_description.key,
+                    "value": option,
+                }
+            ]
+        )