require 'spec_helper'

describe UsersController, 'RefererTracking', type: :controller do
  before :each do
    @request.env['HTTP_REFERER'] = @referer = 'awesome.pa.ge/believe/me'
    @request.env['HTTP_USER_AGENT'] = @ua = 'Fancy new UA'
    @request.env['REMOTE_ADDR'] = @ip = '102.97.107.101'
    @request.env['HTTP_ACCEPT_LANGUAGE'] = @accept_language = 'eo'
    @request.env['HTTP_X_FORWARDED_FOR'] = @forwarded_ip = '10.0.23.42'
    get :new
  end

  it 'saves referer_url to session' do
    session[:retrack].should_not be_blank
    session[:retrack][:referer_url].should == @referer
  end

  it 'saves first_url to session' do
    session[:retrack].should_not be_blank
    session[:retrack][:first_url].should =~ /users\/new$/
  end

  context 'on the second request' do
    before :each do
      @request.env['HTTP_REFERER'] = 'this.is.the.new/referer'
    end

    it 'does not update referer_url' do
      get :index
      session[:retrack][:referer_url].should == @referer
    end

    it 'does not update first_url' do
      get :index
      session[:retrack][:first_url].should =~ /users\/new$/
    end
  end

  describe 'POST create' do
    subject { -> { post :create } }
    it 'saves a user' do
      should change(User.all, :count).by(1)
    end

    it 'saves a RefererTracking' do
      should change(ReTrack::RefererTracking.all, :count).by(1)
    end

    context 'when saving the RefererTracking' do
      before :each do
        post :create
        @rt = ReTrack::RefererTracking.last
      end

      it 'saves the referer_url in RefererTracking' do
        @rt.referer_url.should == @referer
      end

      it 'saves the first_url in RefererTracking' do
        @rt.first_url.should =~ /users\/new$/
      end

      it 'saves the user_agent in RefererTracking' do
        @rt.user_agent.should == @ua
      end

      it 'saves the first_visited_at in RefererTracking' do
        # TODO: use Timecop
        @rt.first_visited_at.should be_within(5.seconds).of(DateTime.now)
      end

      it 'saves the correct user in RefererTracking' do
        user = User.last
        @rt.trackable.should == user
      end

      it 'saves the ip in RefererTracking' do
        encrypted_ip = Digest::SHA1.hexdigest(@ip)
        @rt.ip.should == encrypted_ip
      end

      it 'saves the accept_language in RefererTracking' do
        expect(@rt.accept_language).to eq @accept_language
      end

      it 'saves forwarded_ip in RefererTracking' do
        encrypted_ip = Digest::SHA1.hexdigest(@forwarded_ip)
        expect(@rt.forwarded_ip).to eq encrypted_ip
      end
    end

    it 'completes the response when there are errors in the sweeper' do
      ReTrack::RefererTracking.any_instance.stub(:save).and_raise
      post :create
      response.should be_a_redirect # not a 500
    end
  end
end