text: """Helpers for data entry flows for helper config entries."""
  from __future__ import annotations
  
  from abc import abstractmethod
  from collections.abc import Callable, Mapping
  import copy
  from dataclasses import dataclass
  from typing import Any
  
  import voluptuous as vol
  
  from homeassistant import config_entries
  from homeassistant.core import HomeAssistant, callback, split_entity_id
  from homeassistant.data_entry_flow import FlowResult, UnknownHandler
  
  from . import entity_registry as er
  
  
  @dataclass
  class HelperFlowStep:
      """Define a helper config or options flow step."""
  
      # Optional schema for requesting and validating user input. If schema validation
      # fails, the step will be retried. If the schema is None, no user input is requested.
      schema: vol.Schema | None
  
      # Optional function to identify next step.
      # The next_step function is called if the schema validates successfully or if no
      # schema is defined. The next_step function is passed the union of config entry
      # options and user input from previous steps.
      # If next_step returns None, the flow is ended with RESULT_TYPE_CREATE_ENTRY.
      next_step: Callable[[dict[str, Any]], str | None] = lambda _: None
  
  
  class HelperCommonFlowHandler:
      """Handle a config or options flow for helper."""
  
      def __init__(
          self,
          handler: HelperConfigFlowHandler | HelperOptionsFlowHandler,
          flow: dict[str, HelperFlowStep],
          config_entry: config_entries.ConfigEntry | None,
      ) -> None:
          """Initialize a common handler."""
          self._flow = flow
          self._handler = handler
          self._options = dict(config_entry.options) if config_entry is not None else {}
  
      async def async_step(
          self, step_id: str, user_input: dict[str, Any] | None = None
      ) -> FlowResult:
          """Handle a step."""
          next_step_id: str = step_id
  
          if user_input is not None:
              # User input was validated successfully, update options
              self._options.update(user_input)
  
          if self._flow[next_step_id].next_step and (
              user_input is not None or self._flow[next_step_id].schema is None
          ):
              # Get next step
              next_step_id_or_end_flow = self._flow[next_step_id].next_step(self._options)
              if next_step_id_or_end_flow is None:
                  # Flow done, create entry or update config entry options
                  return self._handler.async_create_entry(data=self._options)
  
              next_step_id = next_step_id_or_end_flow
  
          if (data_schema := self._flow[next_step_id].schema) and data_schema.schema:
              # Copy the schema, then set suggested field values to saved options
              schema = dict(data_schema.schema)
              for key in list(schema):
                  if key in self._options and isinstance(key, vol.Marker):
                      # Copy the marker to not modify the flow schema
                      new_key = copy.copy(key)
                      new_key.description = {"suggested_value": self._options[key]}
                      val = schema.pop(key)
                      schema[new_key] = val
              data_schema = vol.Schema(schema)
  
          # Show form for next step
          return self._handler.async_show_form(
              step_id=next_step_id, data_schema=data_schema
          )
  
  
  class HelperConfigFlowHandler(config_entries.ConfigFlow):
      """Handle a config flow for helper integrations."""
  
      config_flow: dict[str, HelperFlowStep]
      options_flow: dict[str, HelperFlowStep] | None = None
  
      VERSION = 1
  
      # pylint: disable-next=arguments-differ
      def __init_subclass__(cls, **kwargs: Any) -> None:
          """Initialize a subclass."""
          super().__init_subclass__(**kwargs)
  
          @callback
          def _async_get_options_flow(
              config_entry: config_entries.ConfigEntry,
          ) -> config_entries.OptionsFlow:
              """Get the options flow for this handler."""
              if cls.options_flow is None:
                  raise UnknownHandler
  
              return HelperOptionsFlowHandler(config_entry, cls.options_flow)
  
          # Create an async_get_options_flow method
          cls.async_get_options_flow = _async_get_options_flow  # type: ignore[assignment]
  
          # Create flow step methods for each step defined in the flow schema
          for step in cls.config_flow:
              setattr(cls, f"async_step_{step}", cls._async_step)
  
      def __init__(self) -> None:
          """Initialize config flow."""
          self._common_handler = HelperCommonFlowHandler(self, self.config_flow, None)
  
      @classmethod
      @callback
      def async_supports_options_flow(
          cls, config_entry: config_entries.ConfigEntry
      ) -> bool:
          """Return options flow support for this handler."""
          return cls.options_flow is not None
  
      async def _async_step(self, user_input: dict[str, Any] | None = None) -> FlowResult:
          """Handle a config flow step."""
          step_id = self.cur_step["step_id"] if self.cur_step else "user"
          result = await self._common_handler.async_step(step_id, user_input)
  
          return result
  
      # pylint: disable-next=no-self-use
      @abstractmethod
      def async_config_entry_title(self, options: Mapping[str, Any]) -> str:
          """Return config entry title.
  
          The options parameter contains config entry options, which is the union of user
          input from the config flow steps.
          """
  
      @callback
      def async_create_entry(  # pylint: disable=arguments-differ
          self,
          data: Mapping[str, Any],
          **kwargs: Any,
      ) -> FlowResult:
          """Finish config flow and create a config entry."""
          return super().async_create_entry(
              data={}, options=data, title=self.async_config_entry_title(data), **kwargs
          )
  
  
  class HelperOptionsFlowHandler(config_entries.OptionsFlow):
      """Handle an options flow for helper integrations."""
  
      def __init__(
          self,
          config_entry: config_entries.ConfigEntry,
          options_flow: dict[str, vol.Schema],
      ) -> None:
          """Initialize options flow."""
          self._common_handler = HelperCommonFlowHandler(self, options_flow, config_entry)
          self._config_entry = config_entry
  
          for step in options_flow:
              setattr(self, f"async_step_{step}", self._async_step)
  
      async def _async_step(self, user_input: dict[str, Any] | None = None) -> FlowResult:
          """Handle an options flow step."""
          # pylint: disable-next=unsubscriptable-object # self.cur_step is a dict
          step_id = self.cur_step["step_id"] if self.cur_step else "init"
          return await self._common_handler.async_step(step_id, user_input)
  
      @callback
      def async_create_entry(  # pylint: disable=arguments-differ
          self,
          **kwargs: Any,
      ) -> FlowResult:
          """Finish config flow and create a config entry."""
          return super().async_create_entry(title="", **kwargs)
  
  
  @callback
  def wrapped_entity_config_entry_title(
      hass: HomeAssistant, entity_id_or_uuid: str
  ) -> str:
      """Generate title for a config entry wrapping a single entity.
  
      If the entity is registered, use the registry entry's name.
      If the entity is in the state machine, use the name from the state.
      Otherwise, fall back to the object ID.
      """
      registry = er.async_get(hass)
      entity_id = er.async_validate_entity_id(registry, entity_id_or_uuid)
      object_id = split_entity_id(entity_id)[1]
      entry = registry.async_get(entity_id)
      if entry:
          return entry.name or entry.original_name or object_id
      state = hass.states.get(entity_id)
      if state:
          return state.name or object_id
      return object_id
  