Add support for AdGuard Home v0.99.0 (#27926)

* Bump adguardhome to 0.3.0

* Add a more user friendly version handling and added logs

* ✏️ Fixes spelling error in abort messages

* ✏️ Error messages improvements, suggested by cgtobi

homeassistant/components/adguard/__init__.py

@@ -1,8 +1,9 @@
 """Support for AdGuard Home."""
+from distutils.version import LooseVersion
 import logging
 from typing import Any, Dict
 
-from adguardhome import AdGuardHome, AdGuardHomeError
+from adguardhome import AdGuardHome, AdGuardHomeConnectionError, AdGuardHomeError
 import voluptuous as vol
 
 from homeassistant.components.adguard.const import (
@@ -10,6 +11,7 @@ from homeassistant.components.adguard.const import (
     DATA_ADGUARD_CLIENT,
     DATA_ADGUARD_VERION,
     DOMAIN,
+    MIN_ADGUARD_HOME_VERSION,
     SERVICE_ADD_URL,
     SERVICE_DISABLE_URL,
     SERVICE_ENABLE_URL,
@@ -27,6 +29,7 @@ from homeassistant.const import (
     CONF_USERNAME,
     CONF_VERIFY_SSL,
 )
+from homeassistant.exceptions import ConfigEntryNotReady
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.entity import Entity
@@ -64,6 +67,17 @@ async def async_setup_entry(hass: HomeAssistantType, entry: ConfigEntry) -> bool
 
     hass.data.setdefault(DOMAIN, {})[DATA_ADGUARD_CLIENT] = adguard
 
+    try:
+        version = await adguard.version()
+    except AdGuardHomeConnectionError as exception:
+        raise ConfigEntryNotReady from exception
+
+    if LooseVersion(MIN_ADGUARD_HOME_VERSION) > LooseVersion(version):
+        _LOGGER.error(
+            "This integration requires AdGuard Home v0.99.0 or higher to work correctly"
+        )
+        raise ConfigEntryNotReady
+
     for component in "sensor", "switch":
         hass.async_create_task(
             hass.config_entries.async_forward_entry_setup(entry, component)