# frozen_string_literal: true

require 'spec_helper'

RSpec.describe 'User creates snippet', :js do
  include DropzoneHelper
  include Spec::Support::Helpers::Features::SnippetSpecHelpers

  let_it_be(:user) { create(:user) }

  let(:title) { 'My Snippet Title' }
  let(:file_content) { 'Hello World!' }
  let(:md_description) { 'My Snippet **Description**' }
  let(:description) { 'My Snippet Description' }
  let(:created_snippet) { Snippet.last }
  let(:snippet_title_field) { 'snippet-title' }

  before do
    stub_feature_flags(bootstrap_confirmation_modals: false)
    sign_in(user)

    visit new_snippet_path
  end

  def fill_form
    snippet_fill_in_form(title: title, content: file_content, description: md_description)
  end

  it 'authenticated user creates a snippet' do
    fill_form

    click_button('Create snippet')
    wait_for_requests

    expect(page).to have_content(title)
    page.within(snippet_description_view_selector) do
      expect(page).to have_content(description)
      expect(page).to have_selector('strong')
    end
    expect(page).to have_content(file_content)
  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.js-lazy-loaded[alt="banana_sample"]')['src']
    expect(link).to match(%r{/uploads/-/system/personal_snippet/#{Snippet.last.id}/\h{32}/banana_sample\.gif\z})

    reqs = inspect_requests { visit("#{link}?ran=#{SecureRandom.base64(20)}") }
    expect(reqs.first.status_code).to eq(200)
  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')

      action = find('form.snippet-form')['action']
      expect(action).to include("/snippets")
    end
  end

  context 'when snippets default visibility level is restricted' do
    before do
      stub_application_setting(restricted_visibility_levels: [Gitlab::VisibilityLevel::PRIVATE],
                                default_snippet_visibility: Gitlab::VisibilityLevel::PRIVATE)
    end

    it 'creates a snippet using the lowest available visibility level as default' do
      visit new_snippet_path

      fill_form

      click_button('Create snippet')
      wait_for_requests

      expect(find('.blob-content')).to have_content(file_content)
      expect(Snippet.last.visibility_level).to eq(Gitlab::VisibilityLevel::INTERNAL)
    end
  end

  it_behaves_like 'personal snippet with references' do
    let(:container) { snippet_description_view_selector }
    let(:md_description) { references }

    subject do
      fill_form
      click_button('Create snippet')

      wait_for_requests
    end
  end

  it 'shows validation errors' do
    title_validation_message = _("This field is required.")
    files_validation_message = _("Snippets can't contain empty files. Ensure all files have content, or delete them.")

    click_button('Create snippet')

    expect(page).to have_content(title_validation_message)
    expect(page).to have_content(files_validation_message)

    snippet_fill_in_title(title)

    expect(page).not_to have_content(title_validation_message)

    snippet_fill_in_form(title: title, content: file_content)

    expect(page).not_to have_content(files_validation_message)
  end

  it 'previews a snippet with file' do
    # Click placeholder first to expand full description field
    snippet_fill_in_description('My Snippet')
    dropzone_file Rails.root.join('spec', 'fixtures', 'banana_sample.gif')
    find('.js-md-preview-button').click

    page.within('.md-preview-holder') do
      expect(page).to have_content('My Snippet')

      link = find('a.no-attachment-icon img.js-lazy-loaded[alt="banana_sample"]')['src']
      expect(link).to match(%r{/uploads/-/system/user/#{user.id}/\h{32}/banana_sample\.gif\z})

      # Adds a cache buster for checking if the image exists as Selenium is now handling the cached requests
      # not anymore as requests when they come straight from memory cache.
      # accept_confirm is needed because of https://gitlab.com/gitlab-org/gitlab/-/issues/262102
      reqs = inspect_requests { accept_confirm { visit("#{link}?ran=#{SecureRandom.base64(20)}") } }
      expect(reqs.first.status_code).to eq(200)
    end
  end
end