require 'token_storage.rb'
require 'securerandom'
require 'jwt_manager'
class LinkGenerator
  attr_reader :payload, :base_url, :token_store

  def initialize(params)
    @base_url = params[:base_url]
    @payload = params[:payload]
    @token_store = TokenStorage.new
  end

  def generate_link
    save_jwt
    "www.#{base_url}/#{link_token}"
  end


  private

  def link_token
    @link_token ||= SecureRandom.hex(5)
  end

  def save_jwt
    token_store.save(link_token, jwt_token)
  end


  def jwt_token
    JWTManager.encode(payload)
  end
end