# frozen_string_literal: true

module Arclight
  # Display the document hierarchy as "breadcrumbs"
  class BreadcrumbComponent < ViewComponent::Base
    # @param [Integer] count if provided the number of bookmarks is limited to this number
    def initialize(document:, count: nil, offset: 0)
      @document = document
      @count = count
      @offset = offset
      super
    end

    def call
      breadcrumb_links = components.drop(@offset)

      if @count && breadcrumb_links.length > @count
        breadcrumb_links = breadcrumb_links.first(@count)
        breadcrumb_links << tag.li('&hellip;'.html_safe, class: 'breadcrumb-item')
      end
      tag.ol class: 'breadcrumb' do
        safe_join(breadcrumb_links)
      end
    end

    def components
      return to_enum(:components) unless block_given?

      yield build_repository_link

      @document.parents.each do |parent|
        yield tag.li(class: 'breadcrumb-item') { link_to(parent.label, solr_document_path(parent.global_id)) }
      end
    end

    def build_repository_link
      render Arclight::RepositoryBreadcrumbComponent.new(document: @document)
    end
  end
end