require 'spec_helper'

describe 'User views a wiki page' do
  let(:user) { create(:user) }
  let(:project) { create(:project, namespace: user.namespace) }
  let(:wiki_page) do
    create(:wiki_page,
      wiki: project.wiki,
      attrs: { title: 'home', content: 'Look at this [image](image.jpg)\n\n ![alt text](image.jpg)' })
  end

  before do
    project.add_master(user)
    sign_in(user)
  end

  context 'when wiki is empty' do
    before do
      visit(project_wikis_path(project))

      click_on('New page')

      page.within('#modal-new-wiki') do
        fill_in(:new_wiki_path, with: 'one/two/three-test')
        click_on('Create page')
      end

      page.within('.wiki-form') do
        fill_in(:wiki_content, with: 'wiki content')
        click_on('Create page')
      end
    end

    it 'shows the history of a page that has a path', :js do
      expect(current_path).to include('one/two/three-test')

      first(:link, text: 'Three').click
      click_on('Page history')

      expect(current_path).to include('one/two/three-test')

      page.within(:css, '.nav-text') do
        expect(page).to have_content('History')
      end
    end

    it 'shows an old version of a page', :js do
      expect(current_path).to include('one/two/three-test')
      expect(find('.wiki-pages')).to have_content('Three')

      first(:link, text: 'Three').click

      expect(find('.nav-text')).to have_content('Three')

      click_on('Edit')

      expect(current_path).to include('one/two/three-test')
      expect(page).to have_content('Edit Page')

      fill_in('Content', with: 'Updated Wiki Content')

      click_on('Save changes')
      click_on('Page history')

      page.within(:css, '.nav-text') do
        expect(page).to have_content('History')
      end

      find('a[href*="?version_id"]')
    end
  end

  context 'when a page does not have history' do
    before do
      visit(project_wiki_path(project, wiki_page))
    end

    it 'shows all the pages' do
      expect(page).to have_content(user.name)
      expect(find('.wiki-pages')).to have_content(wiki_page.title.capitalize)
    end

    it 'shows a file stored in a page' do
      gollum_file_double = double('Gollum::File',
                                  mime_type: 'image/jpeg',
                                  name: 'images/image.jpg',
                                  path: 'images/image.jpg',
                                  raw_data: '')
      wiki_file = Gitlab::Git::WikiFile.new(gollum_file_double)

      allow(wiki_file).to receive(:mime_type).and_return('image/jpeg')
      allow_any_instance_of(ProjectWiki).to receive(:find_file).with('image.jpg', nil).and_return(wiki_file)

      expect(page).to have_xpath('//img[@data-src="image.jpg"]')
      expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/image.jpg")

      click_on('image')

      expect(current_path).to match('wikis/image.jpg')
      expect(page).not_to have_xpath('/html') # Page should render the image which means there is no html involved
    end

    it 'shows the creation page if file does not exist' do
      expect(page).to have_link('image', href: "#{project.wiki.wiki_base_path}/image.jpg")

      click_on('image')

      expect(current_path).to match('wikis/image.jpg')
      expect(page).to have_content('New Wiki Page')
      expect(page).to have_content('Create page')
    end
  end

  context 'when a page has history' do
    before do
      wiki_page.update(message: 'updated home', content: 'updated [some link](other-page)')
    end

    it 'shows the page history' do
      visit(project_wiki_path(project, wiki_page))

      expect(page).to have_selector('a.btn', text: 'Edit')

      click_on('Page history')

      expect(page).to have_content(user.name)
      expect(page).to have_content("#{user.username} created page: home")
      expect(page).to have_content('updated home')
    end

    it 'does not show the "Edit" button' do
      visit(project_wiki_path(project, wiki_page, version_id: wiki_page.versions.last.id))

      expect(page).not_to have_selector('a.btn', text: 'Edit')
    end
  end

  it 'opens a default wiki page', :js do
    visit(project_path(project))

    find('.shortcuts-wiki').click

    expect(page).to have_content('Home · Create Page')
  end
end
