random_user

defmodule RandomUser.Parser do
  @moduledoc """
     Parser helps you format the JSON output and easily access the data.

  ## Examples

      res = RandomUser.Random.one |> RandomUser.Parser.results |> RandomUser.Parser.parse

  """

  @doc """
  This will convert map keys to atoms and allow you to access keys with dot notation

  ## Examples

      # For one random user
      res = RandomUser.Random.one |> RandomUser.Parser.results |> RandomUser.Parser.parse
      res.gender
      res.picture["large"]

      # For multiple random users
      users = RandomUser.Random.multiple(2) |> RandomUser.Parser.results
        Enum.map(users, fn u ->
          user = u |> RandomUser.Parser.parse
          large_pic = user.picture["large"]
      end)
  """

  def parse(results) do
    for {key, val} <- results, into: %{}, do: {String.to_atom(key), val}
  end

  @doc """
  Retrieve the relevant results

  ## Examples

      RandomUser.Random.one |> RandomUser.Parser.results
      RandomUser.Random.multiple(2) |> RandomUser.Parser.results
  """

  def results(response) do
    if response && response.body do
      results = response.body["results"]

      if length(results) == 1 do
        List.first(results)
      else
        results
      end
    end
  end
end