"""Config flow for Velux integration."""

from pyvlx import PyVLX, PyVLXException
import voluptuous as vol

from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_PASSWORD
import homeassistant.helpers.config_validation as cv

from .const import DOMAIN, LOGGER

DATA_SCHEMA = vol.Schema(
    {
        vol.Required(CONF_HOST): cv.string,
        vol.Required(CONF_PASSWORD): cv.string,
    }
)


class VeluxConfigFlow(ConfigFlow, domain=DOMAIN):
    """Handle a config flow for velux."""

    async def async_step_user(
        self, user_input: dict[str, str] | None = None
    ) -> ConfigFlowResult:
        """Handle the initial step."""
        errors: dict[str, str] = {}

        if user_input is not None:
            self._async_abort_entries_match({CONF_HOST: user_input[CONF_HOST]})

            pyvlx = PyVLX(
                host=user_input[CONF_HOST], password=user_input[CONF_PASSWORD]
            )
            try:
                await pyvlx.connect()
                await pyvlx.disconnect()
            except (PyVLXException, ConnectionError) as err:
                errors["base"] = "cannot_connect"
                LOGGER.debug("Cannot connect: %s", err)
            except Exception as err:  # noqa: BLE001
                LOGGER.exception("Unexpected exception: %s", err)
                errors["base"] = "unknown"
            else:
                return self.async_create_entry(
                    title=user_input[CONF_HOST],
                    data=user_input,
                )

        data_schema = self.add_suggested_values_to_schema(DATA_SCHEMA, user_input)
        return self.async_show_form(
            step_id="user",
            data_schema=data_schema,
            errors=errors,
        )