# frozen_string_literal: true

require 'rails_helper'

RSpec.describe Admin::EmailDomainBlocksController do
  render_views

  before do
    sign_in Fabricate(:user, role: UserRole.find_by(name: 'Admin')), scope: :user
  end

  describe 'GET #index' do
    around do |example|
      default_per_page = EmailDomainBlock.default_per_page
      EmailDomainBlock.paginates_per 2
      example.run
      EmailDomainBlock.paginates_per default_per_page
    end

    it 'returns http success' do
      2.times { Fabricate(:email_domain_block) }
      Fabricate(:email_domain_block, allow_with_approval: true)
      get :index, params: { page: 2 }
      expect(response).to have_http_status(200)
    end
  end

  describe 'GET #new' do
    it 'returns http success' do
      get :new
      expect(response).to have_http_status(200)
    end
  end

  describe 'POST #create' do
    context 'when resolve button is pressed' do
      before do
        resolver = instance_double(Resolv::DNS)

        allow(resolver).to receive(:getresources)
          .with('example.com', Resolv::DNS::Resource::IN::MX)
          .and_return([])
        allow(resolver).to receive(:getresources).with('example.com', Resolv::DNS::Resource::IN::A).and_return([])
        allow(resolver).to receive(:getresources).with('example.com', Resolv::DNS::Resource::IN::AAAA).and_return([])
        allow(resolver).to receive(:timeouts=).and_return(nil)
        allow(Resolv::DNS).to receive(:open).and_yield(resolver)

        post :create, params: { email_domain_block: { domain: 'example.com' } }
      end

      it 'renders new template' do
        expect(response).to render_template(:new)
      end
    end

    context 'when save button is pressed' do
      before do
        post :create, params: { email_domain_block: { domain: 'example.com' }, save: '' }
      end

      it 'blocks the domain' do
        expect(EmailDomainBlock.find_by(domain: 'example.com')).to_not be_nil
      end

      it 'redirects to e-mail domain blocks' do
        expect(response).to redirect_to(admin_email_domain_blocks_path)
      end
    end
  end
end
