defmodule Arpas.REST.Cae.Api do
  @moduledoc ~S'''
  CAE rest
  '''
  alias Arpas.REST.Cae.Env

  def token do
    url = Env.token_url()
    username = "username=#{Env.user()}"
    password = "password=#{Env.password()}&grant_type=password"
    client_id = "client_id=GenericClient"
    client_instance = "client_instance=#{Env.client_instance()}"
    payload = "#{username}&#{password}&#{client_id}&#{client_instance}"

    headers = [
      {"Accept", "application/json"},
      {"Content-Type", "application/x-www-form-urlencoded"},
      {"Cache-Control", "no-cache, no-store, must-revalidate"}
    ]

    result =
      case HTTPoison.post(url, payload, headers) do
        {:ok, %HTTPoison.Response{status_code: 200, body: body}} ->
          body

        {:ok, %HTTPoison.Response{status_code: 404}} ->
          IO.puts("Not found :(")

        {:error, %HTTPoison.Error{reason: reason}} ->
          IO.inspect(reason)
      end

    IO.puts(result)
    result
  end
end