core/homeassistant/components/zimi/config_flow.py

173 lines
5.4 KiB
Python

"""Config flow for zcc integration."""
from __future__ import annotations
import logging
from typing import Any
import voluptuous as vol
from zcc import (
ControlPoint,
ControlPointCannotConnectError,
ControlPointConnectionRefusedError,
ControlPointDescription,
ControlPointDiscoveryService,
ControlPointError,
ControlPointInvalidHostError,
ControlPointTimeoutError,
)
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_HOST, CONF_MAC, CONF_PORT
from homeassistant.helpers.device_registry import format_mac
from homeassistant.helpers.selector import (
SelectOptionDict,
SelectSelector,
SelectSelectorConfig,
SelectSelectorMode,
)
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
DEFAULT_PORT = 5003
STEP_MANUAL_DATA_SCHEMA = vol.Schema(
{
vol.Required(CONF_HOST): str,
vol.Required(CONF_PORT, default=DEFAULT_PORT): int,
}
)
SELECTED_HOST_AND_PORT = "selected_host_and_port"
class ZimiConfigFlow(ConfigFlow, domain=DOMAIN):
"""Handle a config flow for zcc."""
api: ControlPoint = None
api_descriptions: list[ControlPointDescription]
data: dict[str, Any]
async def async_step_user(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle the initial auto-discovery step."""
self.data = {}
try:
self.api_descriptions = await ControlPointDiscoveryService().discovers()
except ControlPointError:
# ControlPointError is expected if no zcc are found on LAN
return await self.async_step_manual()
if len(self.api_descriptions) == 1:
self.data[CONF_HOST] = self.api_descriptions[0].host
self.data[CONF_PORT] = self.api_descriptions[0].port
await self.check_connection(self.data[CONF_HOST], self.data[CONF_PORT])
return await self.create_entry()
return await self.async_step_selection()
async def async_step_selection(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle selection of zcc to configure if multiple are discovered."""
errors: dict[str, str] | None = {}
if user_input is not None:
self.data[CONF_HOST] = user_input[SELECTED_HOST_AND_PORT].split(":")[0]
self.data[CONF_PORT] = int(user_input[SELECTED_HOST_AND_PORT].split(":")[1])
errors = await self.check_connection(
self.data[CONF_HOST], self.data[CONF_PORT]
)
if not errors:
return await self.create_entry()
available_options = [
SelectOptionDict(
label=f"{description.host}:{description.port}",
value=f"{description.host}:{description.port}",
)
for description in self.api_descriptions
]
available_schema = vol.Schema(
{
vol.Required(
SELECTED_HOST_AND_PORT, default=available_options[0]["value"]
): SelectSelector(
SelectSelectorConfig(
options=available_options,
mode=SelectSelectorMode.DROPDOWN,
)
)
}
)
return self.async_show_form(
step_id="selection", data_schema=available_schema, errors=errors
)
async def async_step_manual(
self, user_input: dict[str, Any] | None = None
) -> ConfigFlowResult:
"""Handle manual configuration step if needed."""
errors: dict[str, str] | None = {}
if user_input is not None:
self.data = {**self.data, **user_input}
errors = await self.check_connection(
self.data[CONF_HOST], self.data[CONF_PORT]
)
if not errors:
return await self.create_entry()
return self.async_show_form(
step_id="manual",
data_schema=self.add_suggested_values_to_schema(
STEP_MANUAL_DATA_SCHEMA, self.data
),
errors=errors,
)
async def check_connection(self, host: str, port: int) -> dict[str, str] | None:
"""Check connection to zcc.
Stores mac and returns None if successful, otherwise returns error message.
"""
try:
result = await ControlPointDiscoveryService().validate_connection(
self.data[CONF_HOST], self.data[CONF_PORT]
)
except ControlPointInvalidHostError:
return {"base": "invalid_host"}
except ControlPointConnectionRefusedError:
return {"base": "connection_refused"}
except ControlPointCannotConnectError:
return {"base": "cannot_connect"}
except ControlPointTimeoutError:
return {"base": "timeout"}
except Exception:
_LOGGER.exception("Unexpected error")
return {"base": "unknown"}
self.data[CONF_MAC] = format_mac(result.mac)
return None
async def create_entry(self) -> ConfigFlowResult:
"""Create entry for zcc."""
await self.async_set_unique_id(self.data[CONF_MAC])
self._abort_if_unique_id_configured()
return self.async_create_entry(
title=f"ZIMI Controller ({self.data[CONF_HOST]}:{self.data[CONF_PORT]})",
data=self.data,
)