# frozen_string_literal: true

RSpec.shared_examples 'WikiPages::CreateService#execute' do |container_type|
  let(:container) { create(container_type, :wiki_repo) }
  let(:user) { create(:user) }
  let(:page_title) { 'Title' }

  let(:opts) do
    {
      title: page_title,
      content: 'Content for wiki page',
      format: 'markdown'
    }
  end

  subject(:service) { described_class.new(container: container, current_user: user, params: opts) }

  it 'creates wiki page with valid attributes' do
    page = service.execute

    expect(page).to be_valid
    expect(page).to be_persisted
    expect(page.title).to eq(opts[:title])
    expect(page.content).to eq(opts[:content])
    expect(page.format).to eq(opts[:format].to_sym)
  end

  it 'executes webhooks' do
    expect(service).to receive(:execute_hooks).once.with(WikiPage)

    service.execute
  end

  it 'counts wiki page creation' do
    counter = Gitlab::UsageDataCounters::WikiPageCounter

    expect { service.execute }.to change { counter.read(:create) }.by 1
  end

  shared_examples 'correct event created' do
    it 'creates appropriate events' do
      # TODO: https://gitlab.com/gitlab-org/gitlab/-/issues/216904
      pending('group wiki support') if container_type == :group

      expect { service.execute }.to change { Event.count }.by 1

      expect(Event.recent.first).to have_attributes(
        action: 'created',
        target: have_attributes(canonical_slug: page_title)
      )
    end
  end

  context 'the new page is at the top level' do
    let(:page_title) { 'root-level-page' }

    include_examples 'correct event created'
  end

  context 'the new page is in a subsection' do
    let(:page_title) { 'subsection/page' }

    include_examples 'correct event created'
  end

  context 'the feature is disabled' do
    before do
      stub_feature_flags(wiki_events: false)
    end

    it 'does not record the activity' do
      expect { service.execute }.not_to change(Event, :count)
    end
  end

  context 'when the options are bad' do
    let(:page_title) { '' }

    it 'does not count a creation event' do
      counter = Gitlab::UsageDataCounters::WikiPageCounter

      expect { service.execute }.not_to change { counter.read(:create) }
    end

    it 'does not record the activity' do
      expect { service.execute }.not_to change(Event, :count)
    end

    it 'reports the error' do
      expect(service.execute).to be_invalid
        .and have_attributes(errors: be_present)
    end
  end
end