# frozen_string_literal: true

require 'hs/loaders/xml_parser'
require 'hs/loaders/element_loader'

module HS
  module ChapterLoader
    include HS::XMLParser
    include HS::ElementLoader

    def load_chapter(course, xml)
      create_chapter(course, parse_xml(xml))
    end

    private

    def create_chapter(course, data) # rubocop:disable Metrics/MethodLength
      chapter = HS::Chapter.new(
        course,
        slug: data[:slug],
        review_status: data[:review_status]
      )

      data[:_children].each do |child|
        case child[:_name]
        when :title
          chapter.title = get_text(child)
        when :intro
          chapter.intro = load_element(child)
        when :modules
          # TODO: extract :modules
          nil
        else
          element = load_element(child)
          chapter.content << element if element
        end
      end

      chapter
    end
  end
end