class GovukPublishingComponents::Presenters::ContentBreadcrumbsBasedOnAncestors

def self.call(content_item)
  new(content_item).breadcrumbs
end

def all_ancestors
  ancestors = []
  parent = content_item.parent
  while parent
    ancestors << parent
    parent = parent.parent
  end
  ancestors
end

def breadcrumbs
  ordered_ancestors = all_ancestors.map do |ancestor|
    { title: ancestor.title, url: ancestor.base_path }
  end
  ordered_ancestors << { title: "Home", url: "/" }
  ordered_ancestors.reverse!
  ordered_ancestors
end

def initialize(content_item)
  @content_item = ContentItem.new(content_item)
end