# frozen_string_literal: true

require 'spec_helper'

RSpec.describe 'Projects > Snippets > Create Snippet', :js do
  include DropzoneHelper
  include Spec::Support::Helpers::Features::SnippetSpecHelpers

  let_it_be(:user) { create(:user) }
  let_it_be(:project) do
    create(:project, :public, creator: user).tap do |p|
      p.add_maintainer(user)
    end
  end

  let(:title) { 'My Snippet Title' }
  let(:file_content) { 'Hello World!' }
  let(:md_description) { 'My Snippet **Description**' }
  let(:description) { 'My Snippet Description' }
  let(:snippet_title_field) { 'project_snippet_title' }

  shared_examples 'snippet creation' do
    def fill_form
      snippet_fill_in_form(title: title, content: file_content, description: md_description)
    end

    it 'shows collapsible description input' do
      collapsed = description_field

      expect(page).not_to have_field(snippet_description_field)
      expect(collapsed).to be_visible

      collapsed.click

      expect(page).to have_field(snippet_description_field)
      expect(collapsed).not_to be_visible
    end

    it 'creates a new snippet' do
      fill_form
      click_button('Create snippet')
      wait_for_requests

      expect(page).to have_content(title)
      expect(page).to have_content(file_content)
      page.within(snippet_description_view_selector) do
        expect(page).to have_content(description)
        expect(page).to have_selector('strong')
      end
    end

    it 'uploads a file when dragging into textarea' do
      fill_form
      dropzone_file Rails.root.join('spec', 'fixtures', 'banana_sample.gif')

      expect(snippet_description_value).to have_content('banana_sample')

      click_button('Create snippet')
      wait_for_requests

      link = find('a.no-attachment-icon img[alt="banana_sample"]')['src']
      expect(link).to match(%r{/#{Regexp.escape(project.full_path)}/uploads/\h{32}/banana_sample\.gif\z})
    end

    context 'when the git operation fails' do
      let(:error) { 'Error creating the snippet' }

      before do
        allow_next_instance_of(Snippets::CreateService) do |instance|
          allow(instance).to receive(:create_commit).and_raise(StandardError, error)
        end

        fill_form

        click_button('Create snippet')
        wait_for_requests
      end

      it 'renders the new page and displays the error' do
        expect(page).to have_content(error)
        expect(page).to have_content('New Snippet')
      end
    end
  end

  context 'Vue application' do
    let(:snippet_description_field) { 'snippet-description' }
    let(:snippet_description_view_selector) { '.snippet-header .snippet-description' }

    before do
      sign_in(user)

      visit new_project_snippet_path(project)
    end

    it_behaves_like 'snippet creation'

    it 'does not allow submitting the form without title and content' do
      fill_in snippet_title_field, with: title

      expect(page).not_to have_button('Create snippet')

      snippet_fill_in_form(title: title, content: file_content)
      expect(page).to have_button('Create snippet')
    end
  end

  context 'non-Vue application' do
    let(:snippet_description_field) { 'project_snippet_description' }
    let(:snippet_description_view_selector) { '.snippet-header .description' }

    before do
      stub_feature_flags(snippets_vue: false)
      stub_feature_flags(snippets_edit_vue: false)

      sign_in(user)

      visit new_project_snippet_path(project)
    end

    it_behaves_like 'snippet creation'

    it 'displays validation errors' do
      fill_in snippet_title_field, with: title
      click_button('Create snippet')
      wait_for_requests

      expect(page).to have_selector('#error_explanation')
    end
  end
end