config_flow.py

"""Config flow for Klyqa."""
from __future__ import annotations

from typing import Any
import asyncio

from requests.exceptions import ConnectTimeout, HTTPError
import voluptuous as vol


from klyqa_ctl import klyqa_ctl as api

from homeassistant.config_entries import ConfigEntry

from .datacoordinator import HAKlyqaAccount

from .const import CONF_POLLING, DOMAIN, LOGGER, CONF_SYNC_ROOMS
import homeassistant.helpers.config_validation as cv

from homeassistant import config_entries
from homeassistant.const import (
    CONF_PASSWORD,
    CONF_HOST,
    CONF_SCAN_INTERVAL,
    CONF_USERNAME,
)
from homeassistant.data_entry_flow import FlowResult

user_step_data_schema = vol.Schema(
    {
        vol.Required(CONF_USERNAME, default=""): cv.string,
        vol.Required(CONF_PASSWORD, default=""): cv.string,
        vol.Required(CONF_SCAN_INTERVAL, default=120): int,
        vol.Required(
            CONF_SYNC_ROOMS, default=True, msg="sync r", description="sync R"
        ): bool,
        vol.Required(CONF_POLLING, default=True): bool,
        vol.Required(CONF_HOST, default="https://app-api.app.klyqa.de"): str,
    }
)

NoneType = type(None)


class OptionsFlowHandler(config_entries.OptionsFlow):
    """Handle a config flow."""

    def __init__(self, config_entry: ConfigEntry) -> None:
        """Initialize options flow."""
        self.config_entry = config_entry
        self.username = ""
        self.password = ""
        self.scan_interval = -1
        self.sync_rooms = False
        self.polling = False
        self.host = ""
        self.klyqa: HAKlyqaAccount | None = None

    async def async_step_init(
        self, user_input: dict[str, Any] | None = None
    ) -> FlowResult:
        """Manage the options."""
        if user_input is not None:
            self.username = str(user_input[CONF_USERNAME])
            self.password = str(user_input[CONF_PASSWORD])
            self.scan_interval = int(user_input[CONF_SCAN_INTERVAL])
            self.sync_rooms = user_input[CONF_SYNC_ROOMS]
            self.polling = user_input[CONF_POLLING]
            self.host = str(user_input[CONF_HOST])
            return await self._async_klyqa_login(step_id="user")

        return self.async_show_form(
            step_id="init",
            data_schema=vol.Schema(
                {
                    vol.Required(
                        CONF_USERNAME, default=self.config_entry.data[CONF_USERNAME]
                    ): cv.string,
                    vol.Required(
                        CONF_PASSWORD, default=self.config_entry.data[CONF_PASSWORD]
                    ): cv.string,
                    vol.Required(
                        CONF_POLLING, default=self.config_entry.data[CONF_POLLING]
                    ): bool,
                    vol.Required(
                        CONF_SCAN_INTERVAL,
                        default=self.config_entry.data[CONF_SCAN_INTERVAL],
                    ): int,
                    vol.Required(
                        CONF_SYNC_ROOMS, default=self.config_entry.data[CONF_SYNC_ROOMS]
                    ): bool,
                    vol.Required(
                        CONF_HOST, default=self.config_entry.data[CONF_HOST]
                    ): str,
                }
            ),
        )

    async def _async_klyqa_login(self, step_id: str) -> FlowResult:
        """Handle login with Klyqa."""

        try:
            klyqa: HAKlyqaAccount = HAKlyqaAccount(
                None,
                None,
                self.username,
                self.password,
                self.host,
                self.hass,
                sync_rooms=self.sync_rooms,
                polling=self.polling,
                scan_interval=self.scan_interval,
            )
            login = await self.hass.async_add_executor_job(klyqa.login)
            if login:
                await asyncio.wait_for(login, timeout=30)
            self.klyqa = klyqa

        except Exception as ex:  # pylint: disable=bare-except,broad-except

            LOGGER.error("Unable to connect to Klyqa: %s", ex)

        return await self._async_create_entry()

    async def _async_create_entry(self) -> FlowResult:
        """Create the config entry."""
        config_data = {
            CONF_USERNAME: self.username,
            CONF_PASSWORD: self.password,
            CONF_SCAN_INTERVAL: self.scan_interval,
            CONF_SYNC_ROOMS: self.sync_rooms,
            CONF_POLLING: self.polling,
            CONF_HOST: self.host,
        }

        return self.async_create_entry(title=self.username, data=config_data)


class KlyqaConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
    """Example config flow."""

    # The schema version of the entries that it creates
    # Home Assistant will call your migrate method if the version changes
    # (this is not implemented yet)
    VERSION = 1

    def __init__(self) -> None:
        """Initialize."""

        self.inited = False
        self.username: str | None = None
        self.password: str | None = None
        self.cache: str | None = None
        self.scan_interval: int = 120
        self.host: str | None = None
        self.sync_rooms: bool | None = None
        self.polling: bool | None = None
        self.klyqa: HAKlyqaAccount | None = None
        pass

    async def init(self) -> None:
        """Initialize."""
        if self.inited:
            return
        self.inited = True
        integration_data, cached = await api.async_json_cache(
            None, "last.klyqa_integration_data.cache.json"
        )
        if not self.host:
            self.host = "https://app-api.prod.qconnex.io"

        if cached:
            if CONF_USERNAME in integration_data:
                self.username = str(integration_data[CONF_USERNAME])
            if CONF_PASSWORD in integration_data:
                self.password = str(integration_data[CONF_PASSWORD])
            if CONF_SCAN_INTERVAL in integration_data:
                self.scan_interval = int(integration_data[CONF_SCAN_INTERVAL])
            if CONF_HOST in integration_data:
                self.host = str(integration_data[CONF_HOST])
            if CONF_SYNC_ROOMS in integration_data:
                self.sync_rooms = bool(integration_data[CONF_SYNC_ROOMS])
            if CONF_POLLING in integration_data:
                self.polling = bool(integration_data[CONF_POLLING])

    def get_klyqa(self) -> HAKlyqaAccount | NoneType:
        if self.klyqa:
            return self.klyqa
        if (
            not self.hass
            or DOMAIN not in self.hass.data
            or not self.hass.data[DOMAIN].klyqa_accounts
            or not len(self.hass.data[DOMAIN].klyqa_accounts)
        ):
            return None
        self.klyqa = self.hass.data[DOMAIN].klyqa_accounts[0]
        return self.klyqa

    async def _show_setup_form(
        self, errors: dict[Any, Any] | None = None
    ) -> FlowResult:
        """Show the setup form to the user."""

        return self.async_show_form(
            step_id="user",
            data_schema=vol.Schema(
                {
                    vol.Required(CONF_USERNAME, default=self.username): cv.string,
                    vol.Required(CONF_PASSWORD, default=self.password): cv.string,
                    vol.Required(CONF_POLLING, default=self.polling): bool,
                    vol.Required(CONF_SCAN_INTERVAL, default=self.scan_interval): int,
                    vol.Required(CONF_SYNC_ROOMS, default=self.sync_rooms): bool,
                    vol.Required(CONF_HOST, default=self.host): str,
                }
            ),
            errors=errors or {},
        )

    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> FlowResult:
        """Handle a flow initialized by the user."""
        if self._async_current_entries():
            return self.async_abort(reason="single_instance_allowed")

        if self.get_klyqa():
            # already logged in from platform or other way
            return self.async_abort(reason="single_instance_allowed")

        await self.init()

        login_failed = False

        if user_input is None or login_failed:
            return await self._show_setup_form()

        self.username = str(user_input[CONF_USERNAME])
        self.password = str(user_input[CONF_PASSWORD])
        self.scan_interval = int(user_input[CONF_SCAN_INTERVAL])
        self.sync_rooms = bool(user_input[CONF_SYNC_ROOMS])
        self.polling = bool(user_input[CONF_POLLING])
        self.host = str(user_input[CONF_HOST])

        return await self._async_klyqa_login(step_id="user")

    async def _async_klyqa_login(self, step_id: str) -> FlowResult:
        """Handle login with Klyqa."""
        errors = {}

        try:

            klyqa: HAKlyqaAccount = HAKlyqaAccount(
                None,
                None,
                self.username,
                self.password,
                self.host,
                self.hass,
                sync_rooms=self.sync_rooms,
                polling=self.polling,
                scan_interval=self.scan_interval,
            )

            login = await self.hass.async_add_executor_job(klyqa.login)
            if login:
                await asyncio.wait_for(login, timeout=30)
            else:
                raise Exception()
            self.klyqa = klyqa

        except (ConnectTimeout, HTTPError) as exception:
            LOGGER.error("Unable to connect to Klyqa: %s", exception)
            errors = {"base": "cannot_connect"}

        except Exception as exception:  # pylint: disable=bare-except,broad-except
            LOGGER.error("Unable to connect to Klyqa: %s", exception)
            errors = {"base": "cannot_connect"}

        if not self.klyqa or not self.klyqa.access_token:
            errors = {"base": "cannot_connect"}

        if errors:
            return await self._show_setup_form(errors)

        return await self._async_create_entry()

    async def _async_create_entry(self) -> FlowResult:
        """Create the config entry."""
        config_data = {
            CONF_USERNAME: self.username,
            CONF_PASSWORD: self.password,
            CONF_SCAN_INTERVAL: self.scan_interval,
            CONF_SYNC_ROOMS: self.sync_rooms,
            CONF_POLLING: self.polling,
            CONF_HOST: self.host,
        }
        existing_entry = await self.async_set_unique_id(self.username)

        if existing_entry:
            self.hass.config_entries.async_update_entry(
                existing_entry, data=config_data
            )
            # Reload the Klyqa config entry otherwise devices will remain unavailable
            self.hass.async_create_task(
                self.hass.config_entries.async_reload(existing_entry.entry_id)
            )

            return self.async_abort(reason="reauth_successful")

        return self.async_create_entry(title=self.username, data=config_data)


# @staticmethod
# @callback
# def async_get_options_flow(config_entry: ConfigEntry) -> OptionsFlowHandler:
#     """Get the options flow for this handler."""
#     return OptionsFlowHandler(config_entry)