require 'optparse'
require 'rake_option_parser_boilerplate'
require 'syslog/logger'

namespace :verify_email do
  # bundle exec rake verify_email:check_all -- --domain_name=shop.test --check_level=mx --spam_protect=true
  # bundle exec rake verify_email:check_all -- -dshop.test -cmx -strue
  desc 'Starts verifying email jobs with optional check level and spam protection'
  task check_all: :environment do
    SPAM_PROTECT_TIMEOUT = 30.seconds
    options = {
      domain_name: nil,
      check_level: 'regex',
      spam_protect: false,
    }
    banner = 'Usage: rake verify_email:check_all -- [options]'
    options = RakeOptionParserBoilerplate.process_args(options: options,
                                                       banner: banner,
                                                       hash: opts_hash)

    contacts = prepare_contacts(options)
    logger.info 'No contacts to check email selected' and next if contacts.blank?

    contacts.find_each do |contact|
      VerifyEmailsJob.set(wait_until: spam_protect_timeout(options)).perform_later(
        contact_id: contact.id,
        check_level: check_level(options)
      )
    end
  end
end

def check_level(options)
  options[:check_level]
end

def spam_protect(options)
  options[:spam_protect]
end

def spam_protect_timeout(options)
  spam_protect(options) ? 0.seconds : SPAM_PROTECT_TIMEOUT
end

def logger
  @logger ||= ActiveSupport::TaggedLogging.new(Syslog::Logger.new('registry'))
end

def prepare_contacts(options)
  if options[:domain_name].present?
    contacts_by_domain(options[:domain_name])
  else
    Contact.all
  end
end

def contacts_by_domain(domain_name)
  domain = ::Domain.find_by(name: domain_name)
  return unless domain

  domain.contacts
end

def opts_hash
  {
    domain_name: ['-d [DOMAIN_NAME]', '--domain_name [DOMAIN_NAME]', String],
    check_level: ['-c [CHECK_LEVEL]', '--check_level [CHECK_LEVEL]', String],
    spam_protect: ['-s [SPAM_PROTECT]', '--spam_protect [SPAM_PROTECT]', FalseClass],
  }
end