# Copyright (C) 2012-2023 Zammad Foundation, https://zammad-foundation.org/

class Sequencer::Unit::Exchange::Connection < Sequencer::Unit::Common::Provider::Fallback

  uses :ews_config
  provides :ews_connection

  private

  def ews_connection
    require 'viewpoint' # Only load this gem when it is really used.
    Viewpoint::EWSClient.new(
      config[:endpoint],
      config[:user],
      config[:password],
      additional_opts
    )
  end

  def config
    @config ||= begin
      ews_config || ::Import::Exchange.config
    end
  end

  def additional_opts
    @additional_opts ||= begin
      http_opts
    end
  end

  def http_opts
    return {} if config[:disable_ssl_verify].blank?

    {
      http_opts: {
        ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE
      }
    }
  end
end