Add support for diagnostics

custom_components/polestar_api/diagnostics.py

@@ -0,0 +1,35 @@
+"""Provides diagnostics for Polestar API."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.const import CONF_PASSWORD
+from homeassistant.core import HomeAssistant
+
+from .data import PolestarConfigEntry
+
+TO_REDACT = {CONF_PASSWORD}
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: PolestarConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+
+    coordinator = entry.runtime_data.coordinator
+    cars = entry.runtime_data.cars
+    api = coordinator.polestar_api
+
+    return {
+        "config_entry_data": async_redact_data(dict(entry.data), TO_REDACT),
+        "cars": [{"vin": car.vin, "model": car.model} for car in cars],
+        "auth_api": {
+            "oidc_provider": api.auth.oidc_provider,
+            "access_token_valid": api.auth.is_token_valid(),
+            "endpoint": api.auth.api_url,
+            "status": api.auth.latest_call_code,
+        },
+        "data_api": {"endpoint": api.api_url, "status": api.latest_call_code},
+    }

custom_components/polestar_api/polestar.py

@@ -129,6 +129,7 @@ def __init__(
         else:
             _LOGGER.debug("Configure Polestar API client for all cars")
         self.unique_id = unique_id
+        self.username = username
         self.polestar_api = PolestarApi(
             username=username,
             password=password,

custom_components/polestar_api/pypolestar/auth.py

@@ -40,6 +40,8 @@ def __init__(
         self.oidc_configuration = {}
         self.latest_call_code = None
         self.logger = _LOGGER.getChild(unique_id) if unique_id else _LOGGER
+        self.oidc_provider = OIDC_PROVIDER_BASE_URL
+        self.api_url = API_AUTH_URL
         self.gql_client = get_gql_client(url=API_AUTH_URL, client=self.client_session)
 
     async def async_init(self) -> None: