"""Config flow for Honeywell Lyric."""
import logging

import voluptuous as vol

from homeassistant.helpers import config_entry_oauth2_flow

from .const import DOMAIN


class OAuth2FlowHandler(
    config_entry_oauth2_flow.AbstractOAuth2FlowHandler, domain=DOMAIN
):
    """Config flow to handle Honeywell Lyric OAuth2 authentication."""

    DOMAIN = DOMAIN

    @property
    def logger(self) -> logging.Logger:
        """Return logger."""
        return logging.getLogger(__name__)

    async def async_step_reauth(self, user_input=None):
        """Perform reauth upon an API authentication error."""
        return await self.async_step_reauth_confirm()

    async def async_step_reauth_confirm(self, user_input=None):
        """Dialog that informs the user that reauth is required."""
        if user_input is None:
            return self.async_show_form(
                step_id="reauth_confirm",
                data_schema=vol.Schema({}),
            )
        return await self.async_step_user()

    async def async_oauth_create_entry(self, data: dict) -> dict:
        """Create an oauth config entry or update existing entry for reauth."""
        existing_entry = await self.async_set_unique_id(DOMAIN)
        if existing_entry:
            self.hass.config_entries.async_update_entry(existing_entry, data=data)
            await self.hass.config_entries.async_reload(existing_entry.entry_id)
            return self.async_abort(reason="reauth_successful")
        return self.async_create_entry(title="Lyric", data=data)
