config_flow.py

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"""Config flow for sensirion_ble."""
 
from __future__ import annotations
 
from typing import Any
 
from sensirion_ble import SensirionBluetoothDeviceData
import voluptuous as vol
 
from homeassistant.components.bluetooth import (
    BluetoothServiceInfoBleak,
    async_discovered_service_info,
)
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_ADDRESS
 
from .const import DOMAIN
 
 
class SensirionConfigFlow(ConfigFlow, domain=DOMAIN):
    """Handle a config flow for sensirion_ble."""
 
    VERSION = 1
 
    def __init__(self) -> None:
        """Initialize the config flow."""
        self._discovery_info_discovery_info: BluetoothServiceInfoBleak | None = None
        self._discovered_device_discovered_device: SensirionBluetoothDeviceData | None = None
        self._discovered_devices: dict[str, str] = {}
 
    async def async_step_bluetooth(
        self, discovery_info: BluetoothServiceInfoBleak
    ) -> ConfigFlowResult:
        """Handle the bluetooth discovery step."""
        await self.async_set_unique_idasync_set_unique_id(discovery_info.address)
        self._abort_if_unique_id_configured_abort_if_unique_id_configured()
        device = SensirionBluetoothDeviceData()
        if not device.supported(discovery_info):
            return self.async_abortasync_abortasync_abort(reason="not_supported")
        self._discovery_info_discovery_info = discovery_info
        self._discovered_device_discovered_device = device
        return await self.async_step_bluetooth_confirmasync_step_bluetooth_confirm()
 
    async def async_step_bluetooth_confirm(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Confirm discovery."""
        assert self._discovered_device_discovered_device is not None
        device = self._discovered_device_discovered_device
        assert self._discovery_info_discovery_info is not None
        discovery_info = self._discovery_info_discovery_info
        title = device.title or device.get_device_name() or discovery_info.name
        if user_input is not None:
            return self.async_create_entryasync_create_entryasync_create_entry(title=title, data={})
 
        self._set_confirm_only_set_confirm_only()
        placeholders = {"name": title}
        self.context["title_placeholders"] = placeholders
        return self.async_show_formasync_show_formasync_show_form(
            step_id="bluetooth_confirm", description_placeholders=placeholders
        )
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle the user step to pick discovered device."""
        if user_input is not None:
            address = user_input[CONF_ADDRESS]
            await self.async_set_unique_idasync_set_unique_id(address, raise_on_progress=False)
            self._abort_if_unique_id_configured_abort_if_unique_id_configured()
            return self.async_create_entryasync_create_entryasync_create_entry(
                title=self._discovered_devices[address], data={}
            )
 
        current_addresses = self._async_current_ids_async_current_ids()
        for discovery_info in async_discovered_service_info(self.hass, False):
            address = discovery_info.address
            if address in current_addresses or address in self._discovered_devices:
                continue
            device = SensirionBluetoothDeviceData()
            if device.supported(discovery_info):
                self._discovered_devices[address] = (
                    device.title or device.get_device_name() or discovery_info.name
                )
 
        if not self._discovered_devices:
            return self.async_abortasync_abortasync_abort(reason="no_devices_found")
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="user",
            data_schema=vol.Schema(
                {vol.Required(CONF_ADDRESS): vol.In(self._discovered_devices)}
            ),
        )