config_flow.py

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"""Config flow for Sun WEG integration."""
 
from collections.abc import Mapping
from typing import Any
 
from sunweg.api import APIHelper, SunWegApiError
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_NAME, CONF_PASSWORD, CONF_USERNAME
from homeassistant.core import callback
 
from .const import CONF_PLANT_ID, DOMAIN
 
 
class SunWEGConfigFlow(ConfigFlow, domain=DOMAIN):
    """Config flow class."""
 
    VERSION = 1
 
    def __init__(self) -> None:
        """Initialise sun weg server flow."""
        self.apiapi: APIHelper = None
        self.datadata: dict[str, Any] = {}
 
    @callback
    def _async_show_user_form(self, step_id: str, errors=None) -> ConfigFlowResult:
        """Show the form to the user."""
        default_username = ""
        if CONF_USERNAME in self.datadata:
            default_username = self.datadata[CONF_USERNAME]
        data_schema = vol.Schema(
            {
                vol.Required(CONF_USERNAME, default=default_username): str,
                vol.Required(CONF_PASSWORD): str,
            }
        )
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id=step_id, data_schema=data_schema, errors=errors
        )
 
    def _set_auth_data(
        self, step: str, username: str, password: str
    ) -> ConfigFlowResult | None:
        """Set username and password."""
        if self.apiapi:
            # Set username and password
            self.apiapi.username = username
            self.apiapi.password = password
        else:
            # Initialise the library with the username & password
            self.apiapi = APIHelper(username, password)
 
        try:
            if not self.apiapi.authenticate():
                return self._async_show_user_form_async_show_user_form(step, {"base": "invalid_auth"})
        except SunWegApiError:
            return self._async_show_user_form_async_show_user_form(step, {"base": "timeout_connect"})
 
        return None
 
    async def async_step_user(self, user_input=None) -> ConfigFlowResult:
        """Handle the start of the config flow."""
        if not user_input:
            return self._async_show_user_form_async_show_user_form("user")
 
        # Store authentication info
        self.datadata = user_input
 
        conf_result = await self.hass.async_add_executor_job(
            self._set_auth_data_set_auth_data,
            "user",
            user_input[CONF_USERNAME],
            user_input[CONF_PASSWORD],
        )
 
        return await self.async_step_plantasync_step_plant() if conf_result is None else conf_result
 
    async def async_step_plant(self, user_input=None) -> ConfigFlowResult:
        """Handle adding a "plant" to Home Assistant."""
        plant_list = await self.hass.async_add_executor_job(self.apiapi.listPlants)
 
        if len(plant_list) == 0:
            return self.async_abortasync_abortasync_abort(reason="no_plants")
 
        plants = {plant.id: plant.name for plant in plant_list}
 
        if user_input is None and len(plant_list) > 1:
            data_schema = vol.Schema({vol.Required(CONF_PLANT_ID): vol.In(plants)})
 
            return self.async_show_formasync_show_formasync_show_form(step_id="plant", data_schema=data_schema)
 
        if user_input is None and len(plant_list) == 1:
            user_input = {CONF_PLANT_ID: plant_list[0].id}
 
        user_input[CONF_NAME] = plants[user_input[CONF_PLANT_ID]]
        await self.async_set_unique_idasync_set_unique_id(user_input[CONF_PLANT_ID])
        self._abort_if_unique_id_configured_abort_if_unique_id_configured()
        self.datadata.update(user_input)
        return self.async_create_entryasync_create_entryasync_create_entry(title=self.datadata[CONF_NAME], data=self.datadata)
 
    async def async_step_reauth(
        self, entry_data: Mapping[str, Any]
    ) -> ConfigFlowResult:
        """Handle reauthorization request from SunWEG."""
        self.datadata.update(entry_data)
        return await self.async_step_reauth_confirmasync_step_reauth_confirm()
 
    async def async_step_reauth_confirm(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle reauthorization flow."""
        if user_input is None:
            return self._async_show_user_form_async_show_user_form("reauth_confirm")
 
        self.datadata.update(user_input)
        conf_result = await self.hass.async_add_executor_job(
            self._set_auth_data_set_auth_data,
            "reauth_confirm",
            user_input[CONF_USERNAME],
            user_input[CONF_PASSWORD],
        )
        if conf_result is not None:
            return conf_result
 
        return self.async_update_reload_and_abortasync_update_reload_and_abort(
            self._get_reauth_entry_get_reauth_entry(), data=self.datadata
        )