defmodule HubIdentityElixir.Server do
  @moduledoc """
  Documentation for `HubIdentityElixir`.
  """

  @doc """
  Get the list of Open Authentication Providers from HubIdentity

  ## Examples

      iex> HubIdentityElixir.get_providers()
      [
          {
              "logo_url": "https://stage-identity.hubsynch.com/images/facebook.png",
              "name": "facebook",
              "request_url": request_url
          }
      ]
  """
  def get_providers do
    HTTPoison.get("#{hub_identity_url()}/api/v1/providers", headers())
    |> parse_response()
  end

  def hub_identity_url do
    case Application.get_env(:hub_identity_elixir, :url) do
      url when is_binary(url) -> url
      _ -> "https://stage-identity.hubsynch.com"
    end
  end

  defp headers do
    auth_key = Application.get_env(:hub_identity_elixir, :public_key)
    [{"x-api-key", auth_key}]
  end

  defp parse_response({:ok, %HTTPoison.Response{status_code: 200, body: body}}) do
    body
    |> Jason.decode()
  end
end