class ForemanOpenscap::HostgroupOverrider

def add_config_tool(hostgroup, klass, name, collection_method)
  item = klass.find_by(:name => name)
  hostgroup.public_send(collection_method) << item unless hostgroup.public_send(collection_method).include? item
  item
end

def depopulate_overrides(hostgroup, type)
  @name_sevice.all_available_with_overrides_except(type).map do |remove_config|
    item = remove_config_tool hostgroup, remove_config.config_item_class_name.constantize, remove_config.config_item_name, remove_config.collection_method
    next unless item
    remove_overrides item.public_send(remove_config.override_method_name), hostgroup, remove_config
  end
end

def initialize(policy)
  @policy = policy
  @name_sevice = ConfigNameService.new
end

def populate
  return unless @policy.deploy_by && Policy.deploy_by_variants.include?(@policy.deploy_by)
  config = @name_sevice.config_for @policy.deploy_by.to_sym
  return unless config.available?
  return unless config.managed_overrides?
  @policy.hostgroups.each do |hostgroup|
    populate_overrides hostgroup, config
  end
end

def populate_overrides(hostgroup, config)
  item = add_config_tool hostgroup, config.config_item_class_name.constantize, config.config_item_name, config.collection_method
  return unless item
  add_overrides item.public_send(config.override_method_name), hostgroup, config
  depopulate_overrides hostgroup, config.type
end

def remove_config_tool(hostgroup, klass, name, collection_method)
  item = klass.find_by(:name => name)
  hostgroup.public_send(collection_method).delete(item) if hostgroup.public_send(collection_method).include? item
  item
end