# frozen_string_literal: true

require 'spec_helper'

RSpec.shared_examples 'Signup name validation' do |field, max_length, label|
  before do
    visit new_user_registration_path
  end

  describe "#{field} validation", :js do
    it "does not show an error border if the user's fullname length is not longer than #{max_length} characters" do
      fill_in field, with: 'u' * max_length

      expect(find('.name')).not_to have_css '.gl-field-error-outline'
    end

    it 'shows an error border if the user\'s fullname contains an emoji' do
      simulate_input("##{field}", 'Ehsan 🦋')

      expect(find('.name')).to have_css '.gl-field-error-outline'
    end

    it "shows an error border if the user\'s fullname is longer than #{max_length} characters" do
      fill_in field, with: 'n' * (max_length + 1)

      expect(find('.name')).to have_css '.gl-field-error-outline'
    end

    it "shows an error message if the user\'s #{label} is longer than #{max_length} characters" do
      fill_in field, with: 'n' * (max_length + 1)

      expect(page).to have_content("#{label} is too long (maximum is #{max_length} characters).")
    end

    it 'shows an error message if the username contains emojis' do
      simulate_input("##{field}", 'Ehsan 🦋')

      expect(page).to have_content("Invalid input, please avoid emojis")
    end
  end
end

RSpec.describe 'Signup' do
  include TermsHelper

  before do
    stub_application_setting(require_admin_approval_after_user_signup: false)
  end

  let(:new_user) { build_stubbed(:user) }

  def fill_in_signup_form
    fill_in 'new_user_username', with: new_user.username
    fill_in 'new_user_email', with: new_user.email
    fill_in 'new_user_first_name', with: new_user.first_name
    fill_in 'new_user_last_name', with: new_user.last_name
    fill_in 'new_user_password', with: new_user.password
  end

  def confirm_email
    new_user_token = User.find_by_email(new_user.email).confirmation_token

    visit user_confirmation_path(confirmation_token: new_user_token)
  end

  describe 'username validation', :js do
    before do
      visit new_user_registration_path
    end

    it 'does not show an error border if the username is available' do
      fill_in 'new_user_username', with: 'new-user'
      wait_for_requests

      expect(find('.username')).not_to have_css '.gl-field-error-outline'
    end

    it 'does not show an error border if the username contains dots (.)' do
      simulate_input('#new_user_username', 'new.user.username')
      wait_for_requests

      expect(find('.username')).not_to have_css '.gl-field-error-outline'
    end

    it 'does not show an error border if the username length is not longer than 255 characters' do
      fill_in 'new_user_username', with: 'u' * 255
      wait_for_requests

      expect(find('.username')).not_to have_css '.gl-field-error-outline'
    end

    it 'shows an error border if the username already exists' do
      existing_user = create(:user)

      fill_in 'new_user_username', with: existing_user.username
      wait_for_requests

      expect(find('.username')).to have_css '.gl-field-error-outline'
    end

    it 'shows a success border if the username is available' do
      fill_in 'new_user_username', with: 'new-user'
      wait_for_requests

      expect(find('.username')).to have_css '.gl-field-success-outline'
    end

    it 'shows an error border if the username contains special characters' do
      fill_in 'new_user_username', with: 'new$user!username'
      wait_for_requests

      expect(find('.username')).to have_css '.gl-field-error-outline'
    end

    it 'shows an error border if the username is longer than 255 characters' do
      fill_in 'new_user_username', with: 'u' * 256
      wait_for_requests

      expect(find('.username')).to have_css '.gl-field-error-outline'
    end

    it 'shows an error message if the username is longer than 255 characters' do
      fill_in 'new_user_username', with: 'u' * 256
      wait_for_requests

      expect(page).to have_content("Username is too long (maximum is 255 characters).")
    end

    it 'shows an error message if the username is less than 2 characters' do
      fill_in 'new_user_username', with: 'u'
      wait_for_requests

      expect(page).to have_content("Username is too short (minimum is 2 characters).")
    end

    it 'shows an error message on submit if the username contains special characters' do
      fill_in 'new_user_username', with: 'new$user!username'
      wait_for_requests

      click_button "Register"

      expect(page).to have_content("Please create a username with only alphanumeric characters.")
    end

    it 'shows an error border if the username contains emojis' do
      simulate_input('#new_user_username', 'ehsan😀')

      expect(find('.username')).to have_css '.gl-field-error-outline'
    end

    it 'shows an error message if the username contains emojis' do
      simulate_input('#new_user_username', 'ehsan😀')

      expect(page).to have_content("Invalid input, please avoid emojis")
    end

    it 'shows a pending message if the username availability is being fetched', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/31484' do
      fill_in 'new_user_username', with: 'new-user'

      expect(find('.username > .validation-pending')).not_to have_css '.hide'
    end

    it 'shows a success message if the username is available' do
      fill_in 'new_user_username', with: 'new-user'
      wait_for_requests

      expect(find('.username > .validation-success')).not_to have_css '.hide'
    end

    it 'shows an error message if the username is unavailable' do
      existing_user = create(:user)

      fill_in 'new_user_username', with: existing_user.username
      wait_for_requests

      expect(find('.username > .validation-error')).not_to have_css '.hide'
    end

    it 'shows a success message if the username is corrected and then available' do
      fill_in 'new_user_username', with: 'new-user$'
      wait_for_requests
      fill_in 'new_user_username', with: 'new-user'
      wait_for_requests

      expect(page).to have_content("Username is available.")
    end
  end

  context 'with no errors' do
    context 'when sending confirmation email' do
      before do
        stub_application_setting(send_user_confirmation_email: true)
      end

      context 'when soft email confirmation is not enabled' do
        before do
          stub_feature_flags(soft_email_confirmation: false)
        end

        it 'creates the user account and sends a confirmation email, and pre-fills email address after confirming' do
          visit new_user_registration_path

          fill_in_signup_form

          expect { click_button 'Register' }.to change { User.count }.by(1)
          expect(current_path).to eq users_almost_there_path
          expect(page).to have_content("Please check your email (#{new_user.email}) to confirm your account")

          confirm_email

          expect(find_field('Username or email').value).to eq(new_user.email)
        end
      end

      context 'when soft email confirmation is enabled' do
        before do
          stub_feature_flags(soft_email_confirmation: true)
        end

        it 'creates the user account and sends a confirmation email' do
          visit new_user_registration_path

          fill_in_signup_form

          expect { click_button 'Register' }.to change { User.count }.by(1)
          expect(current_path).to eq users_sign_up_welcome_path
        end
      end
    end

    context "when not sending confirmation email" do
      before do
        stub_application_setting(send_user_confirmation_email: false)
      end

      it 'creates the user account and goes to dashboard' do
        visit new_user_registration_path

        fill_in_signup_form
        click_button "Register"

        expect(current_path).to eq users_sign_up_welcome_path
      end
    end

    context 'with required admin approval enabled' do
      before do
        stub_application_setting(require_admin_approval_after_user_signup: true)
      end

      it 'creates the user but does not sign them in' do
        visit new_user_registration_path

        fill_in_signup_form

        expect { click_button 'Register' }.to change { User.count }.by(1)
        expect(current_path).to eq new_user_session_path
        expect(page).to have_content("You have signed up successfully. However, we could not sign you in because your account is awaiting approval from your GitLab administrator")
      end
    end
  end

  context 'with errors' do
    it "displays the errors" do
      create(:user, email: new_user.email)
      visit new_user_registration_path

      fill_in_signup_form
      click_button "Register"

      expect(current_path).to eq user_registration_path
      expect(page).to have_content("error prohibited this user from being saved")
      expect(page).to have_content("Email has already been taken")
    end

    it 'does not redisplay the password' do
      create(:user, email: new_user.email)
      visit new_user_registration_path

      fill_in_signup_form
      click_button "Register"

      expect(current_path).to eq user_registration_path
      expect(page.body).not_to match(/#{new_user.password}/)
    end
  end

  context 'when terms are enforced' do
    before do
      enforce_terms
    end

    it 'renders text that the user confirms terms by clicking register' do
      visit new_user_registration_path

      expect(page).to have_content(/By clicking Register, I agree that I have read and accepted the Terms of Use and Privacy Policy/)

      fill_in_signup_form
      click_button 'Register'

      expect(current_path).to eq users_sign_up_welcome_path
    end
  end

  context 'when reCAPTCHA and invisible captcha are enabled' do
    before do
      stub_application_setting(invisible_captcha_enabled: true)
      stub_application_setting(recaptcha_enabled: true)
      allow_next_instance_of(RegistrationsController) do |instance|
        allow(instance).to receive(:verify_recaptcha).and_return(true)
      end
    end

    context 'when reCAPTCHA detects malicious behaviour' do
      before do
        allow_next_instance_of(RegistrationsController) do |instance|
          allow(instance).to receive(:verify_recaptcha).and_return(false)
        end
      end

      it 'prevents from signing up' do
        visit new_user_registration_path

        fill_in_signup_form

        expect { click_button 'Register' }.not_to change { User.count }
        expect(page).to have_content('There was an error with the reCAPTCHA. Please solve the reCAPTCHA again.')
      end
    end

    context 'when invisible captcha detects malicious behaviour' do
      it 'prevents from signing up' do
        visit new_user_registration_path

        fill_in_signup_form

        expect { click_button 'Register' }.not_to change { User.count }
        expect(page).to have_content('That was a bit too quick! Please resubmit.')
      end
    end
  end

  it 'redirects to step 2 of the signup process, sets the role and redirects back' do
    visit new_user_registration_path

    fill_in_signup_form
    click_button 'Register'

    visit new_project_path

    expect(page).to have_current_path(users_sign_up_welcome_path)

    select 'Software Developer', from: 'user_role'
    click_button 'Get started!'

    created_user = User.find_by_username(new_user.username)

    expect(created_user.software_developer_role?).to be_truthy
    expect(created_user.setup_for_company).to be_nil
    expect(page).to have_current_path(new_project_path)
  end

  it_behaves_like 'Signup name validation', 'new_user_first_name', 127, 'First name'
  it_behaves_like 'Signup name validation', 'new_user_last_name', 127, 'Last name'
end