config_flow.py

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"""Config flow for todoist integration."""
 
from http import HTTPStatus
import logging
from typing import Any
 
from requests.exceptions import HTTPError
from todoist_api_python.api_async import TodoistAPIAsync
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_TOKEN
 
from .const import DOMAIN
 
_LOGGER = logging.getLogger(__name__)
 
SETTINGS_URL = "https://app.todoist.com/app/settings/integrations/developer"
 
STEP_USER_DATA_SCHEMA = vol.Schema(
    {
        vol.Required(CONF_TOKEN): str,
    }
)
 
 
class TodoistConfigFlow(ConfigFlow, domain=DOMAIN):
    """Handle a config flow for todoist."""
 
    VERSION = 1
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle the initial step."""
        if self._async_current_entries_async_current_entries():
            return self.async_abortasync_abortasync_abort(reason="single_instance_allowed")
 
        errors: dict[str, str] = {}
        if user_input is not None:
            api = TodoistAPIAsync(user_input[CONF_TOKEN])
            try:
                await api.get_tasks()
            except HTTPError as err:
                if err.response.status_code == HTTPStatus.UNAUTHORIZED:
                    errors["base"] = "invalid_api_key"
                else:
                    errors["base"] = "cannot_connect"
            except Exception:
                _LOGGER.exception("Unexpected exception")
                errors["base"] = "unknown"
            else:
                return self.async_create_entryasync_create_entryasync_create_entry(title="Todoist", data=user_input)
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="user",
            data_schema=STEP_USER_DATA_SCHEMA,
            errors=errors,
            description_placeholders={"settings_url": SETTINGS_URL},
        )