config_flow.py

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"""Config flow for Switcher integration."""
 
from __future__ import annotations
 
from collections.abc import Mapping
import logging
from typing import Any, Final
 
from aioswitcher.bridge import SwitcherBase
from aioswitcher.device.tools import validate_token
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_TOKEN, CONF_USERNAME
 
from .const import DOMAIN
from .utils import async_discover_devices
 
_LOGGER = logging.getLogger(__name__)
 
 
CONFIG_SCHEMA: Final = vol.Schema(
    {
        vol.Required(CONF_USERNAME, default=""): str,
        vol.Required(CONF_TOKEN, default=""): str,
    }
)
 
 
class SwitcherFlowHandler(ConfigFlow, domain=DOMAIN):
    """Handle Switcher config flow."""
 
    VERSION = 1
 
    username: str | None = None
    token: str | None = None
    discovered_devices: dict[str, SwitcherBase] = {}
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle the start of the config flow."""
        self.discovered_devicesdiscovered_devices = await async_discover_devices()
 
        return self.async_show_formasync_show_formasync_show_form(step_id="confirm")
 
    async def async_step_confirm(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle user-confirmation of the config flow."""
        if len(self.discovered_devicesdiscovered_devices) == 0:
            return self.async_abortasync_abortasync_abort(reason="no_devices_found")
 
        for device_id, device in self.discovered_devicesdiscovered_devices.items():
            if device.token_needed:
                _LOGGER.debug("Device with ID %s requires a token", device_id)
                return await self.async_step_credentials()
        return await self._create_entry()
 
    async def async_step_credentials(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle the credentials step."""
        errors: dict[str, str] = {}
        if user_input is not None:
            self.usernameusername = user_input.get(CONF_USERNAME)
            self.tokentoken = user_input.get(CONF_TOKEN)
 
            token_is_valid = await validate_token(
                user_input[CONF_USERNAME], user_input[CONF_TOKEN]
            )
            if token_is_valid:
                return await self._create_entry()
            errors["base"] = "invalid_auth"
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="credentials", data_schema=CONFIG_SCHEMA, errors=errors
        )
 
    async def async_step_reauth(
        self, user_input: Mapping[str, Any]
    ) -> ConfigFlowResult:
        """Handle configuration by re-auth."""
        return await self.async_step_reauth_confirm()
 
    async def async_step_reauth_confirm(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Dialog that informs the user that reauth is required."""
        errors: dict[str, str] = {}
 
        if user_input is not None:
            token_is_valid = await validate_token(
                user_input[CONF_USERNAME], user_input[CONF_TOKEN]
            )
            if token_is_valid:
                return self.async_update_reload_and_abortasync_update_reload_and_abort(
                    self._get_reauth_entry_get_reauth_entry(), data_updates=user_input
                )
            errors["base"] = "invalid_auth"
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="reauth_confirm",
            data_schema=CONFIG_SCHEMA,
            errors=errors,
        )
 
    async def _create_entry(self) -> ConfigFlowResult:
        return self.async_create_entryasync_create_entryasync_create_entry(
            title="Switcher",
            data={
                CONF_USERNAME: self.usernameusername,
                CONF_TOKEN: self.tokentoken,
            },
        )