require 'minitest_helper'

module SlideHero
  describe Presentation do
    it "takes a title" do
      pres = Presentation.new("Grow gills in 8 days") do
      end
      pres.title.must_equal "Grow gills in 8 days"
      pres.compile.must_include "<title>Grow gills in 8 days</title>"
    end

    it "compiles to an empty entire presentation" do
      pres = Presentation.new("My Pres") {}
      pres.compile.must_include "<div class=\"slides\">"
    end

    it "takes slides" do
      pres = Presentation.new("slides") do
        slide "My slide" do
          point "Bananas are tastey"
        end
      end
      pres.slides.count.must_equal 1
    end

    it "adds defaults to slides" do
      pres = Presentation.new("slides with defaults") do
        defaults headline_size: :small

        slide "My slide" do
          point "an amazing point"
        end
      end
      pres.slides.first.must_include "h3"
    end

    it "takes all of slide's options" do
      pres = Presentation.new("slides") do
        slide("My slide", headline_size: :small, transition: :default) do
          point "Bananas are tastey"
        end
      end
      pres.slides.count.must_equal 1
    end

    it "overrides slide's defaults" do
      pres = Presentation.new("slides") do
        defaults headline_size: :medium

        slide("My slide", headline_size: :small, transition: :default) do
          point "Bananas are tastey"
        end
      end
      pres.slides.first.must_include "h3"
    end

    it "takes grouped_slides" do
      pres = Presentation.new("slides") do
        grouped_slides do
          slide "My slide" do
            point "Bananas are tastey"
          end
        end
      end
      pres.slides.count.must_equal 1
    end

    it "nests slides in presentation" do
      pres = Presentation.new("New stuff") do
        slide "Nesting!" do
          point "Woot!"
        end
      end

      assert_dom_includes("<section data-transition=\"default\"><h2>Nesting!</h2><p>Woot!</p></section>", pres.compile)
    end

    it "can have a theme set" do
      pres = Presentation.new("New stuff") do
        set_theme 'sky'
      end

      assert pres.compile.include? "<link rel=\"stylesheet\" href=\"css/theme/sky.css\" id=\"theme\">"
    end

    it "sets the default theme to 'default'" do
      pres = Presentation.new("New stuff") {}

      assert pres.compile.include? "<link rel=\"stylesheet\" href=\"css/theme/default.css\" id=\"theme\">"
    end

    it "allows plugins to be set" do
      pres = Presentation.new("New stuff") do
        set_plugins :markdown, :highlight
      end

      assert pres.compile.include?("{ src: 'plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
                  { src: 'plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } }"), pres.compile
    end

    it "sets default plugins if not provided" do
      pres = Presentation.new("New stuff") {}
      assert pres.compile.include?("{ src: 'lib/js/classList.js', condition: function() { return !document.body.classList; } },{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },{ src: 'plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }"), pres.compile
    end

    it "ignores invalid plugins" do
      pres = Presentation.new("New stuff") do
        set_plugins :markdown, :totally_fake, :highlight
      end

      assert pres.compile.include?("{ src: 'plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
                  { src: 'plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } }"), pres.compile
    end
  end
end