Add core device, child and camera modules to smartcamera (#1193)

Co-authored-by: Teemu R. <tpr@iki.fi>

kasa/experimental/modules/camera.py

@@ -0,0 +1,45 @@
+"""Implementation of device module."""
+
+from __future__ import annotations
+
+from ...device_type import DeviceType
+from ...feature import Feature
+from ..smartcameramodule import SmartCameraModule
+
+
+class Camera(SmartCameraModule):
+    """Implementation of device module."""
+
+    QUERY_GETTER_NAME = "getLensMaskConfig"
+    QUERY_MODULE_NAME = "lens_mask"
+    QUERY_SECTION_NAMES = "lens_mask_info"
+
+    def _initialize_features(self) -> None:
+        """Initialize features after the initial update."""
+        self._add_feature(
+            Feature(
+                self._device,
+                id="state",
+                name="State",
+                attribute_getter="is_on",
+                attribute_setter="set_state",
+                type=Feature.Type.Switch,
+                category=Feature.Category.Primary,
+            )
+        )
+
+    @property
+    def is_on(self) -> bool:
+        """Return the device id."""
+        return self.data["lens_mask_info"]["enabled"] == "on"
+
+    async def set_state(self, on: bool) -> dict:
+        """Set the device state."""
+        params = {"enabled": "on" if on else "off"}
+        return await self._device._query_setter_helper(
+            "setLensMaskConfig", self.QUERY_MODULE_NAME, "lens_mask_info", params
+        )
+
+    async def _check_supported(self) -> bool:
+        """Additional check to see if the module is supported by the device."""
+        return self._device.device_type is DeviceType.Camera