defmodule Patreon.OAuth2 do
  require Logger
  @oauth2_url "#{Patreon.Config.base_url()}/oauth2/authorize?response_type=code&client_id=#{Patreon.Config.client_id()}&redirect_uri=#{Patreon.Config.redirect_url()}"

  def authorize_url!() do
    @oauth2_url
  end

  def authorize_url!([scope: scope]) do
    "#{@oauth2_url}&scope=#{scope}"
  end

  def authorize_url!([state: state]) do
    "#{@oauth2_url}&state=#{state}"
  end

  def authorize_url!([scope: scope, state: state]) do
    "#{@oauth2_url}&scope=#{scope}&state=#{state}"
  end

  def validate_authorization_code(code) do
    Patreon.validate_authorization_code(code)
  end
end