feat: Added system health

Author: ping-localhost

custom_components/panda_status/system_health.py

@@ -0,0 +1,31 @@
+"""System Health platform for panda_status custom component."""
+
+from typing import TYPE_CHECKING, Any
+
+from custom_components.panda_status.const import DOMAIN
+from homeassistant.components import system_health
+from homeassistant.const import CONF_URL
+from homeassistant.core import HomeAssistant, callback
+
+if TYPE_CHECKING:
+    from .data import PandaStatusConfigEntry
+
+
+@callback
+def async_register(
+    hass: HomeAssistant,  # noqa: ARG001
+    register: system_health.SystemHealthRegistration,
+) -> None:
+    """Register system health callbacks."""
+    register.async_register_info(system_health_info)
+
+
+async def system_health_info(hass: HomeAssistant) -> dict[str, Any]:
+    """Get info for the info page."""
+    config_entry: PandaStatusConfigEntry = hass.config_entries.async_entries(DOMAIN)[0]
+
+    return {
+        "can_reach_server": system_health.async_check_can_reach_url(
+            hass, config_entry.data[CONF_URL]
+        ),
+    }

custom_components/panda_status/translations/en.json

@@ -16,5 +16,10 @@
         "abort": {
             "already_configured": "This entry is already configured."
         }
+    },
+    "system_health": {
+        "info": {
+            "can_reach_server": "WebSocket reachable"
+        }
     }
 }