defmodule ExTheOne.Config do
  @moduledoc since: "0.1.0"
  use Application

  def start(_type, _args) do
    unless Mix.env() == :prod do
      Envy.auto_load()
    end

    # List all child processes to be supervised
    children = []

    # See https://hexdocs.pm/elixir/Supervisor.html
    # for other strategies and supported options
    opts = [strategy: :one_for_one, name: ExTheOne.Supervisor]
    Supervisor.start_link(children, opts)
  end

  @doc """
  Prints the ExTheOne API key stored as an environment variable.

  ## Examples

      iex> ExTheOne.Config.api_key
      "123456789"

  """
  def api_key do
    Envy.load([".env"])
    Application.get_env(:ex_the_one, :api_key) || System.get_env("THE_ONE_API_KEY")
  end
end