defmodule Apollo18.Based64Cipher do

  @moduledoc """
  Provides cipher mechanism to make your things be like Apollo 18: 
  Officially don't exists, only the owner know that it (if ?) exists.
  
  The truth is out there (Maybe ...).
  
  Uses the ```Apollo18.Cipher``` mechanism, applying additional steps,
  to encode/decode to/from base64 before/after cipher/decipher.
  """

  alias Apollo18.Cipher
  
  
  
  @doc """
  Same doc as for ```Apollo18.Cipher```. Only add a base64 encode conversion
  to received text/string before call Apollo18.Cipher.cipher(string,salt).
  """
  @doc since: "1.0.0"
  def cipher(string,salt \\ 1,key \\ 0) do
    string 
      |> Base.encode64() 
      |> Cipher.cipher(salt,key)
  end
  
  
  
  @doc """
  Same doc as for ```Apollo18.Cipher```. Only add a base64 decode conversion
  to received text/string after receive the result of call Apollo18.Cipher.decipher(string,salt).
  """
  @doc since: "1.0.0"
  def decipher(string,salt \\ 1,key \\ 0) do
    Cipher.decipher(string,salt,key) 
      |> Base.decode64() 
      |> Tuple.to_list()
      |> Enum.at(1)
  end



end