dspex

defmodule DSPex.Settings do
  @moduledoc """
  Global settings and configuration for DSPex.

  Manages DSPy settings and provides utilities for configuration management.
  Migrated to Snakepit v0.4.3 API.

  Note: Some advanced features not yet implemented in current DSPy bridge.
  """

  alias DSPex.Utils.ID

  @doc """
  Configure global DSPy settings.

  ## Examples

      DSPex.Settings.configure(
        lm: lm_instance,
        rm: retriever_instance,
        trace: [],
        explain: false
      )
  """
  def configure(_settings, opts \\ []) do
    session_id = opts[:session_id] || ID.generate("settings")

    # Use get_settings tool which returns current settings
    case Snakepit.execute_in_session(session_id, "get_settings", %{}) do
      {:ok, _current_settings} ->
        # For now, just return OK - actual configure would need a tool
        {:ok, :settings_read_only}

      {:error, error} ->
        {:error, error}
    end
  end

  @doc """
  Get current DSPy settings.
  """
  def get_settings(opts \\ []) do
    session_id = opts[:session_id] || ID.generate("get_settings")

    case Snakepit.execute_in_session(session_id, "get_settings", %{}) do
      {:ok, settings} -> {:ok, settings}
      {:error, error} -> {:error, error}
    end
  end

  @doc """
  Context manager for temporary settings.

  ## Examples

      DSPex.Settings.with_settings([trace: []], fn ->
        # Code that runs with tracing enabled
        DSPex.Modules.Predict.predict(sig, inputs)
      end)
  """
  def with_settings(_temp_settings, fun) when is_function(fun, 0) do
    # Note: This requires save/restore functionality not yet in bridge
    # For now, just execute the function
    fun.()
  end

  @doc """
  Enable or disable experimental features.
  """
  def experimental(_feature, _enabled \\ true, _opts \\ []) do
    # Not yet implemented in current bridge
    {:error, :not_implemented}
  end

  @doc """
  Configure caching behavior.
  """
  def configure_cache(_cache_opts, _opts \\ []) do
    # Not yet implemented in current bridge
    {:error, :not_implemented}
  end
end