From c792631f152395e079d4d0b382e5b1fc8a6732b0 Mon Sep 17 00:00:00 2001
From: starkillerOG <starkiller.og@gmail.com>
Date: Sun, 5 Mar 2023 21:21:22 +0100
Subject: [PATCH] Add Reolink siren platform (#88217)

Co-authored-by: Franck Nijhof <frenck@frenck.nl>
Co-authored-by: Franck Nijhof <git@frenck.dev>
---
 .coveragerc                                  |  1 +
 homeassistant/components/reolink/__init__.py |  1 +
 homeassistant/components/reolink/siren.py    | 93 ++++++++++++++++++++
 3 files changed, 95 insertions(+)
 create mode 100644 homeassistant/components/reolink/siren.py

diff --git a/.coveragerc b/.coveragerc
index 6ef51578a5c..69cd7bf4cab 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -982,6 +982,7 @@ omit =
     homeassistant/components/reolink/entity.py
     homeassistant/components/reolink/host.py
     homeassistant/components/reolink/number.py
+    homeassistant/components/reolink/siren.py
     homeassistant/components/reolink/switch.py
     homeassistant/components/reolink/update.py
     homeassistant/components/repetier/__init__.py
diff --git a/homeassistant/components/reolink/__init__.py b/homeassistant/components/reolink/__init__.py
index f6a5e197644..6bc2874285f 100644
--- a/homeassistant/components/reolink/__init__.py
+++ b/homeassistant/components/reolink/__init__.py
@@ -28,6 +28,7 @@ PLATFORMS = [
     Platform.BUTTON,
     Platform.CAMERA,
     Platform.NUMBER,
+    Platform.SIREN,
     Platform.SWITCH,
     Platform.UPDATE,
 ]
diff --git a/homeassistant/components/reolink/siren.py b/homeassistant/components/reolink/siren.py
new file mode 100644
index 00000000000..f2b27dda4d1
--- /dev/null
+++ b/homeassistant/components/reolink/siren.py
@@ -0,0 +1,93 @@
+"""Component providing support for Reolink siren entities."""
+from __future__ import annotations
+
+from collections.abc import Callable
+from dataclasses import dataclass
+from typing import Any
+
+from reolink_aio.api import Host
+
+from homeassistant.components.siren import (
+    ATTR_DURATION,
+    ATTR_VOLUME_LEVEL,
+    SirenEntity,
+    SirenEntityDescription,
+    SirenEntityFeature,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import ReolinkData
+from .const import DOMAIN
+from .entity import ReolinkCoordinatorEntity
+
+
+@dataclass
+class ReolinkSirenEntityDescription(SirenEntityDescription):
+    """A class that describes siren entities."""
+
+    supported: Callable[[Host, int], bool] = lambda api, ch: True
+
+
+SIREN_ENTITIES = (
+    ReolinkSirenEntityDescription(
+        key="siren",
+        name="Siren",
+        icon="mdi:alarm-light",
+        supported=lambda api, ch: api.supported(ch, "siren"),
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up a Reolink siren entities."""
+    reolink_data: ReolinkData = hass.data[DOMAIN][config_entry.entry_id]
+
+    async_add_entities(
+        ReolinkSirenEntity(reolink_data, channel, entity_description)
+        for entity_description in SIREN_ENTITIES
+        for channel in reolink_data.host.api.channels
+        if entity_description.supported(reolink_data.host.api, channel)
+    )
+
+
+class ReolinkSirenEntity(ReolinkCoordinatorEntity, SirenEntity):
+    """Base siren entity class for Reolink IP cameras."""
+
+    _attr_supported_features = (
+        SirenEntityFeature.TURN_ON
+        | SirenEntityFeature.TURN_OFF
+        | SirenEntityFeature.DURATION
+        | SirenEntityFeature.VOLUME_SET
+    )
+    entity_description: ReolinkSirenEntityDescription
+
+    def __init__(
+        self,
+        reolink_data: ReolinkData,
+        channel: int,
+        entity_description: ReolinkSirenEntityDescription,
+    ) -> None:
+        """Initialize Reolink siren entity."""
+        super().__init__(reolink_data, channel)
+        self.entity_description = entity_description
+
+        self._attr_unique_id = (
+            f"{self._host.unique_id}_{channel}_{entity_description.key}"
+        )
+
+    async def async_turn_on(self, **kwargs: Any) -> None:
+        """Turn on the siren."""
+        if (volume := kwargs.get(ATTR_VOLUME_LEVEL)) is not None:
+            await self._host.api.set_volume(self._channel, int(volume * 100))
+        duration = kwargs.get(ATTR_DURATION)
+        await self._host.api.set_siren(self._channel, True, duration)
+
+    async def async_turn_off(self, **kwargs: Any) -> None:
+        """Turn off the siren."""
+        await self._host.api.set_siren(self._channel, False, None)