# frozen_string_literal: true
module Hyrax
  module CitationsBehaviors
    module Formatters
      class ApaFormatter < BaseFormatter
        include Hyrax::CitationsBehaviors::PublicationBehavior
        include Hyrax::CitationsBehaviors::TitleBehavior

        def format(work)
          text = ''
          text += authors_text_for(work)
          text += pub_date_text_for(work)
          text += add_title_text_for(work)
          text += add_publisher_text_for(work)
          text.html_safe
        end

        private

        def authors_text_for(work)
          # setup formatted author list
          authors_list = author_list(work).reject(&:blank?)
          author_text = format_authors(authors_list)
          if author_text.blank?
            author_text
          else
            "<span class=\"citation-author\">#{author_text}</span> "
          end
        end

        public

        def format_authors(authors_list = [])
          return '' if authors_list.blank?
          authors_list = Array.wrap(authors_list).collect { |name| abbreviate_name(surname_first(name)).strip }
          text = ''
          text += authors_list.first if authors_list.first
          authors_list[1..-1].each do |author|
            text += if author == authors_list.last # last
                      ", &amp; #{author}"
                    else # all others
                      ", #{author}"
                    end
          end
          text += "." unless text.end_with?(".")
          text
        end

        private

        def pub_date_text_for(work)
          # Get Pub Date
          pub_date = setup_pub_date(work)
          format_date(pub_date)
        end

        def add_title_text_for(work)
          # setup title info
          title_info = setup_title_info(work)
          format_title(title_info)
        end

        def add_publisher_text_for(work)
          # Publisher info
          pub_info = clean_end_punctuation(setup_pub_info(work))
          if pub_info.nil?
            ''
          else
            pub_info + "."
          end
        end

        public

        def format_date(pub_date)
          pub_date.blank? ? "" : "(" + pub_date + "). "
        end

        def format_title(title_info)
          title_info.nil? ? "" : "<i class=\"citation-title\">#{title_info}</i> "
        end
      end
    end
  end
end