Add Arve integration (#113156)

* add Arve integration

* Update homeassistant/components/arve/config_flow.py

Co-authored-by: Josef Zweck <24647999+zweckj@users.noreply.github.com>

* Various fixes, changed scan interval to one minute

* coordinator implementation

* Code cleanup

* Moved device info to the entity.py, ArveDeviceEntityDescription to sensor.py

* delete refresh before adding entities

Co-authored-by: Josef Zweck <24647999+zweckj@users.noreply.github.com>

* Update tests/components/arve/test_config_flow.py

Co-authored-by: Josef Zweck <24647999+zweckj@users.noreply.github.com>

* Update tests/components/arve/conftest.py

Co-authored-by: Josef Zweck <24647999+zweckj@users.noreply.github.com>

* Changed value_fn in sensors.py, added typing to description

* Code cleanups, platfrom test implementation

* New code cleanups, first two working tests

* Created platform test, generated snapshots

* Reworked integration to get all of the customer devices

* new fixes

* Added customer id, small cleanups

* Logic of setting unique_id to the config flow

* Added test of abortion on duplicate config_flow id

* Added "available" and "device" properties fro ArveDeviceEntity

* small _attr_unique_id fix

* Added new test, improved mocking, various fixes

* Various cleanups and fixes

* microfix

* Update homeassistant/components/arve/strings.json

* ruff fix

---------

Co-authored-by: Josef Zweck <24647999+zweckj@users.noreply.github.com>
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

homeassistant/components/arve/config_flow.py

@@ -0,0 +1,53 @@
+"""Config flow for Arve integration."""
+
+from __future__ import annotations
+
+import logging
+from typing import Any
+
+from asyncarve import Arve, ArveConnectionError, ArveCustomer
+import voluptuous as vol
+
+from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
+from homeassistant.const import CONF_ACCESS_TOKEN, CONF_CLIENT_SECRET
+
+from .const import DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class ArveConfigFlowHandler(ConfigFlow, domain=DOMAIN):
+    """Handle a config flow for Arve."""
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> ConfigFlowResult:
+        """Handle the initial step."""
+
+        errors: dict[str, str] = {}
+        if user_input is not None:
+            arve = Arve(
+                user_input[CONF_ACCESS_TOKEN],
+                user_input[CONF_CLIENT_SECRET],
+            )
+            try:
+                customer: ArveCustomer = await arve.get_customer_id()
+            except ArveConnectionError:
+                errors["base"] = "cannot_connect"
+            else:
+                await self.async_set_unique_id(customer.customerId)
+                self._abort_if_unique_id_configured()
+                return self.async_create_entry(
+                    title="Arve",
+                    data=user_input,
+                )
+        return self.async_show_form(
+            step_id="user",
+            data_schema=vol.Schema(
+                {
+                    vol.Required(CONF_ACCESS_TOKEN): str,
+                    vol.Required(CONF_CLIENT_SECRET): str,
+                }
+            ),
+            errors=errors,
+        )