Add repair for deprecated MQTT yaml config (#77174)

* Add repair for deprecated MQTT yaml config

* Update homeassistant/components/mqtt/strings.json

Co-authored-by: Erik Montnemery <erik@montnemery.com>

* Update homeassistant/components/mqtt/strings.json

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Add restart instruction

* Update homeassistant/components/mqtt/strings.json

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Update English translation

* update issue_registry imports

* Update homeassistant/components/mqtt/manifest.json

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

Co-authored-by: Erik Montnemery <erik@montnemery.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

homeassistant/components/mqtt/mixins.py

@@ -28,7 +28,7 @@ from homeassistant.const import (
     CONF_UNIQUE_ID,
     CONF_VALUE_TEMPLATE,
 )
-from homeassistant.core import Event, HomeAssistant, callback
+from homeassistant.core import Event, HomeAssistant, async_get_hass, callback
 from homeassistant.helpers import (
     config_validation as cv,
     device_registry as dr,
@@ -48,6 +48,7 @@ from homeassistant.helpers.entity import (
     async_generate_entity_id,
 )
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 from homeassistant.helpers.json import json_loads
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 
@@ -245,6 +246,20 @@ def warn_for_legacy_schema(domain: str) -> Callable:
             domain,
         )
         warned.add(domain)
+        # Register a repair
+        async_create_issue(
+            async_get_hass(),
+            DOMAIN,
+            f"deprecated_yaml_{domain}",
+            breaks_in_ha_version="2022.12.0",  # Warning first added in 2022.6.0
+            is_fixable=False,
+            severity=IssueSeverity.WARNING,
+            translation_key="deprecated_yaml",
+            translation_placeholders={
+                "more_info_url": f"https://www.home-assistant.io/integrations/{domain}.mqtt/#new_format",
+                "platform": domain,
+            },
+        )
         return config
 
     return validator

homeassistant/components/mqtt/strings.json

@@ -1,4 +1,10 @@
 {
+  "issues": {
+    "deprecated_yaml": {
+      "title": "Your manually configured MQTT {platform}(s) needs attention",
+      "description": "Manually configured MQTT {platform}(s) found under platform key `{platform}`.\n\nPlease move the configuration to the `mqtt` integration key and restart Home Assistant to fix this issue. See the [documentation]({more_info_url}), for more information."
+    }
+  },
   "config": {
     "step": {
       "broker": {

homeassistant/components/mqtt/translations/en.json

@@ -1,4 +1,10 @@
 {
+        "issues": {
+            "deprecated_yaml": {
+                "title": "Your manually configured MQTT {platform}(s) needs attention",
+                "description": "Manually configured MQTT {platform}(s) found under platform key `{platform}`.\n\nPlease move the configuration to the `mqtt` integration key and restart Home Assistant to fix this issue. See the [documentation]({more_info_url}), for more information."
+            }
+        },
         "config": {
         "abort": {
             "already_configured": "Service is already configured",