pulibrary / orangelight / 0e37073d-109c-440c-949f-49d2aa86311b

module Requests

  class FormDecorator

    delegate :patron,

             :ctx, :system_id, :mfhd, :holdings, :default_pick_ups,

             :serial?, :any_loanable_copies?, :requestable?, :thesis?, :numismatics?, :eligible_for_library_services?,

             :user_name, :email, # passed to request as login options on the request form

             to: :request

    delegate :content_tag, :hidden_field_tag, :concat, to: :view_context

    alias bib_id system_id

    attr_reader :request, :view_context, :first_filtered_requestable, :non_requestable_message, :back_to_record_url

    def initialize(request, view_context, back_to_record_url)

      @request = request

      @view_context = view_context

      @requestable_list = request.requestable.map { |req| RequestableDecorator.new(req, view_context) }

      @first_filtered_requestable = RequestableDecorator.new(request.first_filtered_requestable, view_context)

      @non_requestable_message = "See Circulation Desk, there are no requestable items for this record"

      @back_to_record_url = back_to_record_url

    end

    def requestable

      @requestable_list

    end

    def patron_message

      return '' if patron.guest?

      return '' if eligible_for_library_services?

      "<div class='alert alert-warning'>#{I18n.t('requests.account.cas_user_no_barcode_msg')}</div>".html_safe

    end

    def hidden_fields

      hidden_request_tags = ''

      hidden_request_tags += hidden_field_tag "bib[id]", "", value: bib_id

      request.hidden_field_metadata.each do |key, value|

        hidden_request_tags += hidden_field_tag "bib[#{key}]", "", value:

      end

      hidden_request_tags.html_safe

    end

    def any_will_submit_via_form?

      return false if requestable.compact_blank.blank? || !eligible_for_library_services?

      requestable.map(&:will_submit_via_form?).any? || any_fill_in_eligible?

    end

    def any_fill_in_eligible?

      return false unless eligible_for_library_services?

      return false if patron.alma_provider?

      fill_in = false

      unless requestable.one? && (requestable.first.services & ["on_order", "online"]).present?

        if requestable.any? do |requestable_decorator|

          !(requestable_decorator.services & fill_in_services).empty?

        end

          if any_items?

            fill_in = true if any_enumerated?

          elsif request.too_many_items?

            fill_in = true

          else

            fill_in = any_circulate?

          end

        end

      end

      fill_in

    end

    def single_item_request?

      requestable.size == 1 && !any_fill_in_eligible?

    end

    def only_aeon?

      requestable.map(&:aeon?).all?

    end

    def location_label

      return "" if holding.blank?

      first_requestable_item = requestable.first.item if any_items?

      if any_items? && first_requestable_item.temp_loc_other_than_resource_sharing?

        current_location_label

      else

        permanent_location_label

      end

    end

    def current_location_label

      label = holding["current_library"]

      current_holding_location = holding['current_location']

      label += " - #{current_holding_location}" if current_holding_location.present?

      label

    end

    def permanent_location_label

      label = holding["library"]

      holding_location = holding['location']

      label += " - #{holding_location}" if holding_location.present?

      label

    end

    def holding

      first_requestable_item = requestable.first.item if any_items?

      if any_items? && first_requestable_item.temp_loc_other_than_resource_sharing?

        holdings[first_requestable_item["temp_location_code"]]

      else

        holdings[mfhd]

      end

    end

    def alma_provider_item_unavailable?

      patron.alma_provider? && !(any_available? || any_in_process?)

    end

    private

      def fill_in_services

        ["annex", "recap_no_items", "on_shelf"]

      end

      def any_circulate?

        requestable.any?(&:circulates?)

      end

      def any_enumerated?

        requestable.any?(&:enumerated?)

      end

      def any_items?

        requestable.any?(&:item_data?)

      end

      def any_available?

        requestable.any?(&:available?)

      end

      def any_in_process?

        requestable.any?(&:in_process?)

      end

  end

end