require File.expand_path(
    File.join(File.dirname(__FILE__), %w[.. spec_helper]))

# ---------------------------------------------------------------------------
describe Webby::Renderer do
  before :each do
    layout = Webby::Resources::Layout.
             new(Webby.datapath(%w[site layouts tumblog default.txt]))
    Webby::Resources.stub!(:find_layout).and_return(layout)

    @filename = File.join %w[content tumblog index.txt]
    @page = Webby::Resources::Page.new(@filename)
    @renderer = Webby::Renderer.new(@page)
  end

  it 'needs some more specs'

  # -------------------------------------------------------------------------
  describe 'when paginating' do
    after :each do
      ::Webby.site.create_mode = 'page'
    end

    it 'paginates a set of items' do
      items = %w[one two three four five six seven eight]
      output = []

      @renderer.instance_variable_get(:@pager).should be_nil

      # the first page of items
      @renderer.paginate(items, 3) {|item| output << item}
      pager = @renderer.instance_variable_get(:@pager)

      pager.should_not be_nil
      pager.number_of_pages.should == 3
      pager.prev?.should == false
      pager.next?.should == true

      output.should == %w[one two three]
      @page.destination.should == 'output/tumblog/index.html'

      # go to the next page of items
      @renderer._next_page.should == true
      output.should == %w[one two three]

      pager = @renderer.instance_variable_get(:@pager)
      pager.should_not be_nil
      pager.number_of_pages.should == 3
      pager.prev?.should == true
      pager.next?.should == true

      @page.destination.should == 'output/tumblog/index2.html'

      @renderer.paginate(items, 3) {|item| output << item}
      output.should == %w[one two three four five six]

      # go to the last page of items
      @renderer._next_page.should == true
      output.should == %w[one two three four five six]

      pager = @renderer.instance_variable_get(:@pager)
      pager.should_not be_nil
      pager.number_of_pages.should == 3
      pager.prev?.should == true
      pager.next?.should == false

      @page.destination.should == 'output/tumblog/index3.html'

      @renderer.paginate(items, 3) {|item| output << item}
      output.should == %w[one two three four five six seven eight]

      # after the last page
      @renderer._next_page.should == false
      pager = @renderer.instance_variable_get(:@pager)
      pager.should be_nil
      @page.destination.should == 'output/tumblog/index.html'
    end

    it 'obeys the create_mode of the site' do
      ::Webby.site.create_mode = 'directory'
      items = %w[one two three four five six seven eight]
      output = []

      @renderer.instance_variable_get(:@pager).should be_nil

      # the first page of items
      @renderer.paginate(items, 3) {|item| output << item}
      pager = @renderer.instance_variable_get(:@pager)

      pager.should_not be_nil
      pager.number_of_pages.should == 3
      pager.prev?.should == false
      pager.next?.should == true

      output.should == %w[one two three]
      @page.destination.should == 'output/tumblog/index.html'

      # go to the next page of items
      @renderer._next_page.should == true
      output.should == %w[one two three]

      pager = @renderer.instance_variable_get(:@pager)
      pager.should_not be_nil
      pager.number_of_pages.should == 3
      pager.prev?.should == true
      pager.next?.should == true

      @page.destination.should == 'output/tumblog/2/index.html'

      @renderer.paginate(items, 3) {|item| output << item}
      output.should == %w[one two three four five six]

      # go to the last page of items
      @renderer._next_page.should == true
      output.should == %w[one two three four five six]

      pager = @renderer.instance_variable_get(:@pager)
      pager.should_not be_nil
      pager.number_of_pages.should == 3
      pager.prev?.should == true
      pager.next?.should == false

      @page.destination.should == 'output/tumblog/3/index.html'

      @renderer.paginate(items, 3) {|item| output << item}
      output.should == %w[one two three four five six seven eight]

      # after the last page
      @renderer._next_page.should == false
      pager = @renderer.instance_variable_get(:@pager)
      pager.should be_nil
      @page.destination.should == 'output/tumblog/index.html'
    end
  end

end  # describe Webby::Renderer

# EOF