defmodule Electric.ServiceStatus do
  @type status() :: :waiting | :starting | :active | :stopping

  @type option ::
          {:get_connection_status, (-> Electric.ConnectionManager.status())}

  @type options :: [option]

  @spec check(options()) :: status()
  def check(opts) do
    get_connection_status_fun = Keyword.fetch!(opts, :get_connection_status)

    # Match the connection status ot a service status - currently
    # they are one and the same but keeping this decoupled for future
    # additions to conditions that determine service status
    case get_connection_status_fun.() do
      :waiting -> :waiting
      :starting -> :starting
      :active -> :active
    end
  end
end