require 'openssl'

module MnoEnterprise::Concerns::Models::IntercomUser
  extend ActiveSupport::Concern

  #==================================================================
  # Included methods
  #==================================================================
  # 'included do' causes the included code to be evaluated in the
  # context where it is included rather than being executed in the module's context
  included do
  end

  #==================================================================
  # Class methods
  #==================================================================
  module ClassMethods
  end

  #==================================================================
  # Instance methods
  #==================================================================
  # Return intercom user hash
  # This is used in secure mode
  def intercom_user_hash
    OpenSSL::HMAC.hexdigest('sha256', MnoEnterprise.intercom_api_secret, (self.id || self.email).to_s) if MnoEnterprise.intercom_api_secret
  end
end