require 'spec_helper'

module Alchemy
  describe Content do
    let(:element) { create(:element, name: 'headline', create_contents_after_create: true) }
    let(:content) { element.contents.find_by(essence_type: 'Alchemy::EssenceText') }

    it "should return the ingredient from its essence" do
      content.essence.update_attributes(:body => "Hello")
      expect(content.ingredient).to eq("Hello")
    end

    describe '.normalize_essence_type' do
      context "passing namespaced essence type" do
        it "should not add alchemy namespace" do
          expect(Content.normalize_essence_type('Alchemy::EssenceText')).to eq("Alchemy::EssenceText")
        end
      end

      context "passing not namespaced essence type" do
        it "should add alchemy namespace" do
          expect(Content.normalize_essence_type('EssenceText')).to eq("Alchemy::EssenceText")
        end
      end

      context "passing non-namespaced essence type for an existing non-namespaced essence" do
        it "should not add alchemy namespace" do
          expect(Content.normalize_essence_type('DummyModel')).to eq("DummyModel")
        end
      end
    end

    describe '#normalized_essence_type' do
      context "without namespace in essence_type column" do
        it "should return the namespaced essence type" do
          expect(Content.new(:essence_type => 'EssenceText').normalized_essence_type).to eq('Alchemy::EssenceText')
        end
      end

      context "with namespace in essence_type column" do
        it "should return the namespaced essence type" do
          expect(Content.new(:essence_type => 'Alchemy::EssenceText').normalized_essence_type).to eq('Alchemy::EssenceText')
        end
      end
    end

    describe '#update_essence' do
      subject { content.update_essence(params) }

      let(:element) { create(:element, name: 'text', create_contents_after_create: true) }
      let(:content) { element.contents.first }
      let(:params)  { {} }

      context 'with params given' do
        let(:params)  { {body: 'Mikes Petshop'} }
        let(:essence) { content.essence }

        before do
          expect(essence).to receive(:content).at_least(:once).and_return content
        end

        it "updates the attributes of related essence and return true" do
          is_expected.to be_truthy
          expect(content.ingredient).to eq("Mikes Petshop")
        end

        it "updates timestamp after updating related essence" do
          expect(content).to receive(:touch)
          subject
        end
      end

      context 'with validations and without params given' do
        let(:element) { create(:element, name: 'contactform', create_contents_after_create: true) }

        it "should add error messages if save fails and return false" do
          is_expected.to be_falsey
          expect(content.errors[:essence].size).to eq(1)
        end
      end

      context 'if essence is missing' do
        before do
          expect(content).to receive(:essence).and_return nil
        end

        it "should raise error" do
          expect { subject }.to raise_error(EssenceMissingError)
        end
      end
    end

    describe '.copy' do
      before(:each) do
        @element = FactoryGirl.create(:element, :name => 'text', :create_contents_after_create => true)
        @content = @element.contents.first
      end

      it "should create a new record with all attributes of source except given differences" do
        copy = Content.copy(@content, {:name => 'foobar', :element_id => @element.id + 1})
        expect(copy.name).to eq('foobar')
      end

      it "should make a new record for essence of source" do
        copy = Content.copy(@content, {:element_id => @element.id + 1})
        expect(copy.essence_id).not_to eq(@content.essence_id)
      end

      it "should copy source essence attributes" do
        copy = Content.copy(@content, {:element_id => @element.id + 1})
        copy.essence.body == @content.essence.body
      end
    end

    describe '.build' do
      let(:element) { FactoryGirl.build_stubbed(:element) }

      it "builds a new instance from elements.yml description" do
        expect(Content.build(element, {name: 'headline'})).to be_instance_of(Content)
      end
    end

    describe '.content_description' do
      let(:element) { FactoryGirl.build_stubbed(:element) }

      context "with blank name key" do
        it "returns a essence hash build from essence type" do
          expect(Content).to receive(:content_description_from_essence_type).with(element, 'EssenceText')
          Content.content_description(element, essence_type: 'EssenceText')
        end
      end

      context "with name key present" do
        it "returns a essence hash from element" do
          expect(Content).to receive(:content_description_from_element).with(element, 'headline')
          Content.content_description(element, name: 'headline')
        end
      end
    end

    describe '.content_description_from_element' do
      let(:element) { FactoryGirl.build_stubbed(:element) }
      let(:essence) { {name: 'headline', type: 'EssenceText'} }

      it "returns the description hash from element" do
        expect(element).to receive(:content_description_for).and_return(essence)
        expect(Content.content_description(element, name: 'headline')).to eq(essence)
      end

      context "with content description not found" do
        before {
          expect(element).to receive(:content_description_for).and_return(nil)
          expect(element).to receive(:available_content_description_for).and_return(essence)
        }

        it "returns the description hash from available contents" do
          expect(Content.content_description(element, name: 'headline')).to eq(essence)
        end
      end
    end

    describe '.content_description_from_essence_type' do
      let(:element) { FactoryGirl.build_stubbed(:element) }

      it "returns the description hash from element" do
        expect(Content).to receive(:content_name_from_element_and_essence_type).with(element, 'EssenceText').and_return('Foo')
        expect(Content.content_description_from_essence_type(element, 'EssenceText')).to eq({
          'type' => 'EssenceText',
          'name' => 'Foo'
        })
      end
    end

    describe '.content_name_from_element_and_essence_type' do
      let(:element) { FactoryGirl.build_stubbed(:element) }

      it "returns a name from essence type and count of essences in element" do
        expect(Content.content_name_from_element_and_essence_type(element, 'EssenceText')).to eq("essence_text_1")
      end
    end

    describe '.create_from_scratch' do
      let(:element) { FactoryGirl.create(:element, name: 'article') }

      it "builds the content" do
        expect(Content.create_from_scratch(element, name: 'headline')).to be_instance_of(Alchemy::Content)
      end

      it "creates the essence from name" do
        expect(Content.create_from_scratch(element, name: 'headline').essence).to_not be_nil
      end

      it "creates the essence from essence_type" do
        expect(Content.create_from_scratch(element, essence_type: 'EssenceText').essence).to_not be_nil
      end

      context "with default value present" do
        it "should have the ingredient column filled with default value." do
          allow(Content).to receive(:content_description_from_element).and_return({'name' => 'headline', 'type' => 'EssenceText', 'default' => 'Welcome'})
          content = Content.create_from_scratch(element, name: 'headline')
          expect(content.ingredient).to eq("Welcome")
        end
      end
    end

    describe '#ingredient=' do
      let(:element) { FactoryGirl.create(:element, name: 'headline') }

      it "should set the given value to the ingredient column of essence" do
        c = Content.create_from_scratch(element, name: 'headline')
        c.ingredient = "Welcome"
        expect(c.ingredient).to eq("Welcome")
      end

      context "no essence associated" do
        let(:element) { FactoryGirl.create(:element, name: 'headline') }

        it "should raise error" do
          c = Content.create(:element_id => element.id, name: 'headline')
          expect { c.ingredient = "Welcome" }.to raise_error(EssenceMissingError)
        end
      end
    end

    describe "#descriptions" do
      context "without any descriptions in elements.yml file" do
        before { allow(Element).to receive(:descriptions).and_return([]) }

        it "should return an empty array" do
          expect(Content.descriptions).to eq([])
        end
      end
    end

    describe "#dom_id" do
      let(:content) { build_stubbed(:content) }

      it "returns a dom id string" do
        expect(content.dom_id).to eq("essence_text_#{content.id}")
      end

      context "without an essence" do
        before { expect(content).to receive(:essence).and_return nil }

        it "returns empty string" do
          expect(content.dom_id).to eq('')
        end
      end
    end

    describe "#essence_partial_name" do
      let(:content) { build_stubbed(:content) }

      it "returns the essence#partial_name" do
        expect(content.essence).to receive(:partial_name)
        content.essence_partial_name
      end

      context "without an essence" do
        before { expect(content).to receive(:essence).and_return nil }

        it "returns empty string" do
          expect(content.essence_partial_name).to eq('')
        end
      end
    end

    describe '#preview_content?' do
      let(:content) { build_stubbed(:content) }

      context 'not defined as preview content' do
        it "returns false" do
          expect(content.preview_content?).to be false
        end
      end

      context 'defined as preview content via take_me_for_preview' do
        before do
          expect(content).to receive(:description).at_least(:once).and_return({
            'take_me_for_preview' => true
          })
        end

        it "returns true" do
          ActiveSupport::Deprecation.silence do
            expect(content.preview_content?).to be true
          end
        end

        it "display deprecation warning" do
          expect(ActiveSupport::Deprecation).to receive(:warn)
          content.preview_content?
        end
      end

      context 'defined as preview content via as_element_title' do
        before do
          expect(content).to receive(:description).at_least(:once).and_return({
            'as_element_title' => true
          })
        end

        it "returns true" do
          expect(content.preview_content?).to be true
        end
      end
    end

    describe '#preview_text' do
      let(:essence) { mock_model(EssenceText, preview_text: 'Lorem') }
      let(:content) { c = Content.new; c.essence = essence; c }

      it "should return the essences preview_text" do
        expect(essence).to receive(:preview_text).with(30)
        content.preview_text
      end
    end

    describe '#tinymce_class_name' do
      let(:element) { FactoryGirl.build_stubbed(:element, name: 'article') }
      let(:content) { c = Content.new(name: 'text'); c.element = element; c }
      subject { content.tinymce_class_name }

      it { eq('default_tinymce') }

      context 'having custom tinymce config' do
        before { allow(content).to receive(:has_custom_tinymce_config?).and_return(true) }
        it('returns name including element name') { eq('custom_tinymce article_text') }
      end
    end

    describe '#form_field_name' do
      let(:content) { Content.new(id: 1) }

      it "returns a name value for form fields with ingredient as default" do
        expect(content.form_field_name).to eq('contents[1][ingredient]')
      end

      context 'with a essence column given' do
        it "returns a name value for form fields for that column" do
          expect(content.form_field_name(:link_title)).to eq('contents[1][link_title]')
        end
      end
    end

    describe '#form_field_id' do
      let(:content) { Content.new(id: 1) }

      it "returns a id value for form fields with ingredient as default" do
        expect(content.form_field_id).to eq('contents_1_ingredient')
      end

      context 'with a essence column given' do
        it "returns a id value for form fields for that column" do
          expect(content.form_field_id(:link_title)).to eq('contents_1_link_title')
        end
      end
    end

    it_behaves_like "having a hint" do
      let(:subject) { Content.new }
    end

    describe '#settings' do
      let(:element) { build_stubbed(:element, name: 'article') }
      let(:content) { build_stubbed(:content, name: 'headline', element: element) }

      it "returns the settings hash from description" do
        expect(content.settings).to eq({deletable: true})
      end

      context 'if settings are not defined' do
        let(:content) { build_stubbed(:content, name: 'intro', element: element) }

        it "returns empty hash" do
          expect(content.settings).to eq({})
        end
      end
    end

    context 'delegations' do
      let(:page) { create(:restricted_page) }

      it "delegates restricted? to page" do
        element.update!(page: page)
        expect(page.restricted?).to be true
        expect(content.page).to eq page
        expect(content.restricted?).to be true
      end

      it "delegates trashed? to element" do
        element.update!(position: nil)
        expect(element.trashed?).to be true
        expect(content.trashed?).to be true
      end

      it "delegates public? to element" do
        element.update!(public: false)
        expect(element.public?).to be false
        expect(content.public?).to be false
      end
    end
  end
end