# -*- encoding: utf-8 -*-

require 'spec_helper'

module CiteProc
  module Ruby

  describe 'The CiteProc-Ruby Engine' do
    let(:cp) { CiteProc::Processor.new :style => 'apa', :format => 'text' }
    let(:engine) { cp.engine }

    it 'registers itself as "citeproc-ruby"' do
      CiteProc::Engine.available.should include('citeproc-ruby')
    end

    it 'is the default engine' do
      CiteProc::Engine.default.should equal(CiteProc::Ruby::Engine)
      engine.should be_a(CiteProc::Ruby::Engine)
    end

    describe '#bibliography' do

      describe 'when there are no items in the processor' do
        it 'returns an empty bibliography for any selector' do
          cp.bibliography().should be_empty
          cp.bibliography(:all => {}).should be_empty
          cp.bibliography(:none => {}).should be_empty
        end
      end

    end

    describe '#render' do

      describe 'when there are no items in the processor' do
      end

      describe 'when there are items in the processor' do
        before(:each) do
          cp << items(:grammatology).data
          cp << items(:knuth1968).data
          cp << items(:difference).data
        end

        it 'renders the reference for the given id' do
          cp.render(:bibliography, :id => 'grammatology').should == ['Derrida, J. (1976). Of Grammatology (corrected ed.). Baltimore: Johns Hopkins University Press.']
          cp.render(:citation, :id => 'grammatology', :locator => '3-4').should == '(Derrida, 1976, pp. 3-4)'
          cp.render(:bibliography, :id => 'knuth1968').should == ['Knuth, D. (1968). The art of computer programming (Vol. 1). Boston: Addison-Wesley.']

          node = cp.engine.style.macros['author']
          (node > 'names' > 'name')[:initialize] = 'false'

          cp.engine.format = 'html'
          cp.render(:bibliography, :id => 'knuth1968').should == ['Knuth, Donald. (1968). <i>The art of computer programming</i> (Vol. 1). Boston: Addison-Wesley.']

          cp.render(:citation, :id => 'knuth1968', :locator => '23').should == '(Knuth, 1968, p. 23)'
        end

        it 'overrides locales if the processor option is set' do
          cp.render(:bibliography, :id => 'difference').should == ['Derrida, J. (1967). L’écriture et la différence (1st ed.). Paris: Éditions du Seuil.']

          cp.options[:allow_locale_overrides] = true
          cp.render(:bibliography, :id => 'difference').should == ['Derrida, J. (1967). L’écriture et la différence (1ʳᵉ éd.). Paris: Éditions du Seuil.']
        end
      end
    end

    describe '#process' do
      describe 'when there are no items in the processor' do
      end

      describe 'when there are items in the processor' do
        before(:each) do
          cp << items(:grammatology).data
          cp << items(:knuth1968).data
        end

        it 'renders the citation for the given id' do
          cp.process(:id => 'knuth1968', :locator => '23').should == '(Knuth, 1968, p. 23)'
        end

        it 'combines and sorts multiple cite items' do
          cp.process([
            {:id => 'knuth1968', :locator => '23'},
            {:id => 'grammatology', :locator => '11-14'}
          ]).should == '(Derrida, 1976, pp. 11-14; Knuth, 1968, p. 23)'
        end
      end
    end

  end

  end
end