require 'spec_helper'
include AuthenticatedModelHelper

feature "User of two factor authentication" do
  context 'sending two factor authentication code via SMS' do
    shared_examples 'sends and authenticates code' do |user, type|
      before do
        user.reload
        if type == 'encrypted'
          allow(User).to receive(:has_one_time_password).with(encrypted: true)
        end
      end

      it 'does not send an SMS before the user has signed in' do
        expect(SMSProvider.messages).to be_empty
      end

      it 'sends code via SMS after sign in' do
        visit new_user_session_path
        complete_sign_in_form_for(user)

        expect(page).to have_content 'Enter the code that was sent to you'

        expect(SMSProvider.messages.size).to eq(1)
        message = SMSProvider.last_message
        expect(message.to).to eq(user.phone_number)
        expect(message.body).to eq(user.reload.direct_otp)
      end

      it 'authenticates a valid OTP code' do
        visit new_user_session_path
        complete_sign_in_form_for(user)

        expect(page).to have_content('You are signed in as Marissa')

        fill_in 'code', with: SMSProvider.last_message.body
        click_button 'Submit'

        within('.flash.notice') do
          expect(page).to have_content('Two factor authentication successful.')
        end

        expect(current_path).to eq root_path
      end
    end

    it_behaves_like 'sends and authenticates code', create_user('not_encrypted')
    it_behaves_like 'sends and authenticates code', create_user, 'encrypted'
  end

  scenario "must be logged in" do
    visit user_two_factor_authentication_path

    expect(page).to have_content("Welcome Home")
    expect(page).to have_content("You are signed out")
  end

  context "when logged in" do
    let(:user) { create_user }

    background do
      login_as user
    end

    scenario "is redirected to TFA when path requires authentication" do
      visit dashboard_path + "?A=param%20a&B=param%20b"

      expect(page).to_not have_content("Your Personal Dashboard")

      fill_in "code", with: SMSProvider.last_message.body
      click_button "Submit"

      expect(page).to have_content("Your Personal Dashboard")
      expect(page).to have_content("You are signed in as Marissa")
      expect(page).to have_content("Param A is param a")
      expect(page).to have_content("Param B is param b")
    end

    scenario "is locked out after max failed attempts" do
      visit user_two_factor_authentication_path

      max_attempts = User.max_login_attempts

      max_attempts.times do
        fill_in "code", with: "incorrect#{rand(100)}"
        click_button "Submit"

        within(".flash.alert") do
          expect(page).to have_content("Attempt failed")
        end
      end

      expect(page).to have_content("Access completely denied")
      expect(page).to have_content("You are signed out")
    end

    scenario "cannot retry authentication after max attempts" do
      user.update_attribute(:second_factor_attempts_count, User.max_login_attempts)

      visit user_two_factor_authentication_path

      expect(page).to have_content("Access completely denied")
      expect(page).to have_content("You are signed out")
    end

    describe "rememberable TFA" do
      before do
        @original_remember_otp_session_for_seconds = User.remember_otp_session_for_seconds
        User.remember_otp_session_for_seconds = 30.days
      end

      after do
        User.remember_otp_session_for_seconds = @original_remember_otp_session_for_seconds
      end

      scenario "doesn't require TFA code again within 30 days" do
        sms_sign_in

        logout

        login_as user
        visit dashboard_path
        expect(page).to have_content("Your Personal Dashboard")
        expect(page).to have_content("You are signed in as Marissa")
      end

      scenario "requires TFA code again after 30 days" do
        sms_sign_in

        logout

        Timecop.travel(30.days.from_now)
        login_as user
        visit dashboard_path
        expect(page).to have_content("You are signed in as Marissa")
        expect(page).to have_content("Enter the code that was sent to you")
      end

      scenario 'TFA should be different for different users' do
        sms_sign_in

        tfa_cookie1 = get_tfa_cookie()

        logout
        reset_session!

        user2 = create_user()
        login_as(user2)
        sms_sign_in

        tfa_cookie2 = get_tfa_cookie()

        expect(tfa_cookie1).not_to eq tfa_cookie2
      end

      def sms_sign_in
        SMSProvider.messages.clear()
        visit user_two_factor_authentication_path
        fill_in 'code', with: SMSProvider.last_message.body
        click_button 'Submit'
      end

      scenario 'TFA should be unique for specific user' do
        sms_sign_in

        tfa_cookie1 = get_tfa_cookie()

        logout
        reset_session!

        user2 = create_user()
        set_tfa_cookie(tfa_cookie1)
        login_as(user2)
        visit dashboard_path
        expect(page).to have_content("Enter the code that was sent to you")
      end

      scenario 'Delete cookie when user logs out if enabled' do
        user.class.delete_cookie_on_logout = true

        login_as user
        logout

        login_as user

        visit dashboard_path
        expect(page).to have_content("Enter the code that was sent to you")
      end
    end

    it 'sets the warden session need_two_factor_authentication key to true' do
      session_hash = { 'need_two_factor_authentication' => true }

      expect(page.get_rack_session_key('warden.user.user.session')).to eq session_hash
    end
  end

  describe 'signing in' do
    let(:user) { create_user }
    let(:admin) { create_admin }

    scenario 'user signs is' do
      visit new_user_session_path
      complete_sign_in_form_for(user)

      expect(page).to have_content('Signed in successfully.')
    end

    scenario 'admin signs in' do
      visit new_admin_session_path
      complete_sign_in_form_for(admin)

      expect(page).to have_content('Signed in successfully.')
    end
  end

  describe 'signing out' do
    let(:user) { create_user }
    let(:admin) { create_admin }

    scenario 'user signs out' do
      visit new_user_session_path
      complete_sign_in_form_for(user)
      visit destroy_user_session_path

      expect(page).to have_content('Signed out successfully.')
    end

    scenario 'admin signs out' do
      visit new_admin_session_path
      complete_sign_in_form_for(admin)
      visit destroy_admin_session_path

      expect(page).to have_content('Signed out successfully.')
    end
  end
end