Explicitely allow Platform enum in discovery helper (#63571)

* Adjust Platform type hint in discovery helper

* Adjust amcrest

* Adjust comfoconnect

* Adjust ecovacs

* Adjust egardia

* Rename arguments

* Convert Platform enum to string explicitely

* Revert "Adjust egardia"

This reverts commit ff7b0d6100.

* Revert "Adjust ecovacs"

This reverts commit 2749045e13.

* Revert "Adjust comfoconnect"

This reverts commit bfff08f7fc.

* Undo argument name change and conversion to string

* Remove comment

Co-authored-by: epenet <epenet@users.noreply.github.com>

homeassistant/components/amcrest/__init__.py

@@ -15,10 +15,6 @@ import voluptuous as vol
 
 from homeassistant.auth.models import User
 from homeassistant.auth.permissions.const import POLICY_CONTROL
-from homeassistant.components.binary_sensor import DOMAIN as BINARY_SENSOR
-from homeassistant.components.camera import DOMAIN as CAMERA
-from homeassistant.components.sensor import DOMAIN as SENSOR
-from homeassistant.components.switch import DOMAIN as SWITCH
 from homeassistant.const import (
     ATTR_ENTITY_ID,
     CONF_AUTHENTICATION,
@@ -34,6 +30,7 @@ from homeassistant.const import (
     ENTITY_MATCH_ALL,
     ENTITY_MATCH_NONE,
     HTTP_BASIC_AUTHENTICATION,
+    Platform,
 )
 from homeassistant.core import HomeAssistant, ServiceCall
 from homeassistant.exceptions import Unauthorized, UnknownUser
@@ -301,13 +298,15 @@ def setup(hass: HomeAssistant, config: ConfigType) -> bool:
             control_light,
         )
 
-        discovery.load_platform(hass, CAMERA, DOMAIN, {CONF_NAME: name}, config)
+        discovery.load_platform(
+            hass, Platform.CAMERA, DOMAIN, {CONF_NAME: name}, config
+        )
 
         event_codes = set()
         if binary_sensors:
             discovery.load_platform(
                 hass,
-                BINARY_SENSOR,
+                Platform.BINARY_SENSOR,
                 DOMAIN,
                 {CONF_NAME: name, CONF_BINARY_SENSORS: binary_sensors},
                 config,
@@ -324,12 +323,20 @@ def setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
         if sensors:
             discovery.load_platform(
-                hass, SENSOR, DOMAIN, {CONF_NAME: name, CONF_SENSORS: sensors}, config
+                hass,
+                Platform.SENSOR,
+                DOMAIN,
+                {CONF_NAME: name, CONF_SENSORS: sensors},
+                config,
             )
 
         if switches:
             discovery.load_platform(
-                hass, SWITCH, DOMAIN, {CONF_NAME: name, CONF_SWITCHES: switches}, config
+                hass,
+                Platform.SWITCH,
+                DOMAIN,
+                {CONF_NAME: name, CONF_SWITCHES: switches},
+                config,
             )
 
     if not hass.data[DATA_AMCREST][DEVICES]:

homeassistant/helpers/discovery.py

@@ -11,6 +11,7 @@ from collections.abc import Callable
 from typing import Any, TypedDict
 
 from homeassistant import core, setup
+from homeassistant.const import Platform
 from homeassistant.core import CALLBACK_TYPE
 from homeassistant.loader import bind_hass
 
@@ -126,7 +127,7 @@ def async_listen_platform(
 @bind_hass
 def load_platform(
     hass: core.HomeAssistant,
-    component: str,
+    component: Platform | str,
     platform: str,
     discovered: DiscoveryInfoType,
     hass_config: ConfigType,
@@ -142,7 +143,7 @@ def load_platform(
 @bind_hass
 async def async_load_platform(
     hass: core.HomeAssistant,
-    component: str,
+    component: Platform | str,
     platform: str,
     discovered: DiscoveryInfoType,
     hass_config: ConfigType,