defmodule GenETS.Helper do
  # * Need methods for reading, writing, deleting, and updating
  def read(table_name, key) do
    GenServer.call(server_name(table_name), {:read, key})
  end

  def write(table_name, key, value) do
    GenServer.call(server_name(table_name), {:write, key, value})
  end

  def delete(table_name, key) do
    GenServer.call(server_name(table_name), {:delete, key})
  end

  def is_exist(table_name, key) do
    GenServer.call(server_name(table_name), {:is_exist, key})
  end

  def is_exist!(table_name, key) do
    {:ok, val} = is_exist(table_name, key)
    val
  end

  defp server_name(table_name), do: :"GenETS.#{table_name}"
end