config_flow.py

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"""Config flow to configure emulated_roku component."""
 
from typing import Any
 
import voluptuous as vol
 
from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
from homeassistant.const import CONF_NAME
from homeassistant.core import HomeAssistant, callback
 
from .const import CONF_LISTEN_PORT, DEFAULT_NAME, DEFAULT_PORT, DOMAIN
 
 
@callback
def configured_servers(hass: HomeAssistant) -> set[str]:
    """Return a set of the configured servers."""
    return {
        entry.data[CONF_NAME] for entry in hass.config_entries.async_entries(DOMAIN)
    }
 
 
class EmulatedRokuFlowHandler(ConfigFlow, domain=DOMAIN):
    """Handle an emulated_roku config flow."""
 
    VERSION = 1
 
    async def async_step_user(
        self, user_input: dict[str, Any] | None = None
    ) -> ConfigFlowResult:
        """Handle a flow initialized by the user."""
        errors: dict[str, str] = {}
 
        if user_input is not None:
            self._async_abort_entries_match_async_abort_entries_match({CONF_NAME: user_input[CONF_NAME]})
            return self.async_create_entryasync_create_entryasync_create_entry(title=user_input[CONF_NAME], data=user_input)
 
        servers_num = len(configured_servers(self.hass))
 
        if servers_num:
            default_name = f"{DEFAULT_NAME} {servers_num + 1}"
            default_port = DEFAULT_PORT + servers_num
        else:
            default_name = DEFAULT_NAME
            default_port = DEFAULT_PORT
 
        return self.async_show_formasync_show_formasync_show_form(
            step_id="user",
            data_schema=vol.Schema(
                {
                    vol.Required(CONF_NAME, default=default_name): str,
                    vol.Required(CONF_LISTEN_PORT, default=default_port): vol.Coerce(
                        int
                    ),
                }
            ),
            errors=errors,
        )
 
    async def async_step_import(self, import_data: dict[str, Any]) -> ConfigFlowResult:
        """Handle a flow import."""
        return await self.async_step_userasync_step_userasync_step_user(import_data)