config_flow.py

"""Config flow for Becker Antriebe GmbH CentralControl."""

import logging

import voluptuous as vol

from homeassistant import config_entries, exceptions
from homeassistant.components import zeroconf
from homeassistant.const import CONF_HOST, CONF_TOKEN
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv

from .const import DOMAIN

# from .service_listener import CentralControlDiscovery

_LOGGER = logging.getLogger(__name__)
DATA_SCHEMA = vol.Schema(
    {
        vol.Required(CONF_HOST): cv.string,
        vol.Optional(CONF_TOKEN): cv.string,
    }
)


class ConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
    """Handle a config flow for the CentralControl."""

    VERSION = 1
    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL

    async def async_step_user(self, user_input=None) -> config_entries.ConfigFlowResult:
        """Handle the initial step."""
        errors = {}
        if user_input is not None:
            try:
                return self.async_create_entry(title="address", data=user_input)
            except CannotConnect:
                errors["base"] = "cannot_connect"
            except InvalidHost:
                errors["host"] = "cannot_connect"
            except Exception:  # pylint: disable=broad-except
                _LOGGER.exception("Unexpected exception")
                errors["base"] = "unknown"

        return self.async_show_form(data_schema=DATA_SCHEMA, errors=errors)

    async def async_step_zeroconf(
        self, discovery_info: zeroconf.ZeroconfServiceInfo
    ) -> config_entries.ConfigFlowResult:
        """Handle Zeroconf discovery."""

        # return await self.async_step_discovery_confirm()

    async def async_step_discovery_confirm(
        self, user_input: dict[str, vol.Any] | None = None
    ) -> config_entries.ConfigFlowResult:
        """Confirm discovery."""
        _LOGGER.exception("[async_step_discovery_confirm] zeroconf not implemented yet")


class CannotConnect(exceptions.HomeAssistantError):
    """Error to indicate we cannot connect."""


class InvalidHost(exceptions.HomeAssistantError):
    """Error to indicate there is an invalid hostname."""


async def validate_input(hass: HomeAssistant, data: dict) -> bool:
    """Validate the user input allows us to connect.

    Data has the keys from DATA_SCHEMA with values provided by the user.
    """
    return True