require 'spec_helper'

def mods_display_item(mods_record)
  ModsDisplay::RelatedItem.new(mods_record, ModsDisplay::Configuration::Base.new, double('controller'))
end

describe ModsDisplay::RelatedItem do
  include RelatedItemFixtures
  include NestedRelatedItemFixtures

  before(:all) do
    @item = Stanford::Mods::Record.new.from_str(basic_related_item_fixture, false).related_item
    @linked_item = Stanford::Mods::Record.new.from_str(linked_related_item_fixture, false).related_item
    @collection = Stanford::Mods::Record.new.from_str(related_item_collection_fixture, false).related_item
    @display_label = Stanford::Mods::Record.new.from_str(related_item_display_label_fixture, false).related_item
    @location = Stanford::Mods::Record.new.from_str(related_item_location_fixture, false).related_item
    @reference = Stanford::Mods::Record.new.from_str(related_item_reference_fixture, false).related_item
    @blank_item = Stanford::Mods::Record.new.from_str(blank_related_item_fixture, false).related_item
    @multi_items = Stanford::Mods::Record.new.from_str(multi_related_item_fixture, false).related_item
    @constituent_items = Stanford::Mods::Record.new.from_str(multi_constituent_fixture, false).related_item
  end

  it 'excludes related items that will be rendered as a nested record' do
    expect(mods_display_item(@constituent_items).fields).to be_empty
  end

  describe 'label' do
    it 'should default to Related Item' do
      expect(mods_display_item(@item).fields.first.label).to eq('Related item:')
    end
    it 'should get the location label' do
      expect(mods_display_item(@location).fields.first.label).to eq('Location:')
    end
    it 'should get the reference label' do
      expect(mods_display_item(@reference).fields.first.label).to eq('Referenced by:')
    end
    it 'should get the displayLabel if available' do
      expect(mods_display_item(@display_label).fields.first.label).to eq('Special Item:')
    end
  end
  describe 'fields' do
    it 'should get a location if it is available' do
      fields = mods_display_item(@item).fields
      expect(fields.length).to eq(1)
      expect(fields.first.values).to eq(['A Related Item'])
    end
    it 'should return a link if there is a location/url present' do
      fields = mods_display_item(@linked_item).fields
      expect(fields.length).to eq(1)
      expect(fields.first.values).to eq(["<a href='http://library.stanford.edu/'>A Related Item</a>"])
    end
    it 'should not return any fields if the described related item is a collection' do
      expect(mods_display_item(@collection).fields).to eq([])
    end
    it 'should not return empty links when there is no title or link' do
      expect(mods_display_item(@blank_item).fields).to eq([])
    end
    it 'should concat the isReferencedBy related item title with other metadata' do
      fields = mods_display_item(@reference).fields
      expect(fields.length).to eq(1)
      expect(fields.first.values).to eq(['The title DATE 124'])
    end
    it 'should collapse labels down into the same record' do
      fields = mods_display_item(@multi_items).fields
      expect(fields.length).to eq(1)
      expect(fields.first.label).to eq('Related item:')
      expect(fields.first.values.length).to eq(2)
      expect(fields.first.values.first).to(match(%r{<a href=.*>Library</a>}))
      expect(fields.first.values.last).to(match(%r{<a href=.*>SDR</a>}))
    end
  end
end