config_flow.py

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"""Alpha2 config flow."""
 
import logging
from typing import Any
 
import aiohttp
from moehlenhoff_alpha2 import Alpha2Base
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST
 
from .const import DOMAIN
 
_LOGGER = logging.getLogger(__name__)
 
DATA_SCHEMA = vol.Schema({vol.Required(CONF_HOST): str})
 
 
async def validate_input(data: dict[str, Any]) -> dict[str, str]:
    """Validate the user input allows us to connect.
 
    Data has the keys from DATA_SCHEMA with values provided by the user.
    """
 
    base = Alpha2Base(data[CONF_HOST])
    try:
        await base.update_data()
    except (aiohttp.client_exceptions.ClientConnectorError, TimeoutError):
        return {"error": "cannot_connect"}
    except Exception:
        _LOGGER.exception("Unexpected exception")
        return {"error": "unknown"}
 
    # Return info that you want to store in the config entry.
    return {"title": base.name}
 
 
class Alpha2BaseConfigFlow(ConfigFlow, domain=DOMAIN):
    """Möhlenhoff Alpha2 config flow."""
 
    VERSION = 1
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle a flow initialized by the user."""
        errors = {}
        if user_input is not None:
            self._async_abort_entries_match_async_abort_entries_match({CONF_HOST: user_input[CONF_HOST]})
            result = await validate_input(user_input)
            if result.get("error"):
                errors["base"] = result["error"]
            else:
                return self.async_create_entryasync_create_entryasync_create_entry(title=result["title"], data=user_input)
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="user", data_schema=DATA_SCHEMA, errors=errors
        )