class JsonWebToken
  class << self
    def encode(payload, exp = 30.days.from_now)
      payload[:exp] = exp.to_i
      JWT.encode(payload, ENV.fetch('SECRET_KEY_BASE'))
    end

    def decode(token)
      body = JWT.decode(token, ENV.fetch('SECRET_KEY_BASE'))[0]
      HashWithIndifferentAccess.new body
    rescue StandardError
      nil
    end
  end
end