require 'solidus_braintree_helper'

RSpec.shared_context "with frontend checkout setup" do
  let(:braintree) { new_gateway(active: true) }
  let!(:gateway) { create :payment_method }
  let(:three_d_secure_enabled) { false }
  let(:venmo_enabled) { false }
  let(:card_number) { "4111111111111111" }
  let(:card_expiration) { "01/#{Time.now.utc.year + 3}" }

  before do
    braintree.save!

    create(:store, payment_methods: [gateway, braintree]).tap do |store|
      store.braintree_configuration.update!(
        credit_card: true,
        three_d_secure: three_d_secure_enabled,
        venmo: venmo_enabled
      )

      braintree.update(
        preferred_credit_card_fields_style: { input: { 'font-size': '30px' } },
        preferred_placeholder_text: { number: "Enter Your Card Number" }
      )
    end

    order = if Spree.solidus_gem_version >= Gem::Version.new('2.6.0')
              SolidusBraintree::OrderWalkthrough.up_to(:delivery)
            else
              OrderWalkthrough.up_to(:delivery)
            end

    user = create(:user)
    order.user = user
    order.number = "R9999999"
    order.recalculate

    allow_any_instance_of(CheckoutsController).to receive_messages(current_order: order)
    allow_any_instance_of(CheckoutsController).to receive_messages(try_spree_current_user: user)
    allow_any_instance_of(CheckoutsController).to receive_messages(spree_current_user: user)
    allow_any_instance_of(Spree::Payment).to receive(:number).and_return("123ABC")
    allow_any_instance_of(SolidusBraintree::Source).to receive(:nonce).and_return("fake-valid-nonce")

    visit checkout_state_path(:delivery)
    click_button "Save and Continue"
    choose("Braintree")
  end

  around do |example|
    Capybara.using_wait_time(20) { example.run }
  end
end

RSpec.describe 'entering credit card details', type: :feature, js: true do
  context 'when page loads' do
    include_context "with frontend checkout setup"

    it "selectors display correctly" do
      expect(page).to have_selector("fieldset[name='payment-method-#{braintree.id}']", visible: :visible)
      expect(page).to have_selector("iframe#braintree-hosted-field-number")
      expect(page).to have_selector("iframe[type='number']")
    end

    it "credit card field style variable is set" do
      within_frame("braintree-hosted-field-number") do
        expect(find("#credit-card-number").style("font-size")).to eq({ "font-size" => "30px" })
      end
    end

    it "sets the placeholder text correctly" do
      within_frame("braintree-hosted-field-number") do
        expect(find("#credit-card-number")['placeholder']).to eq("Enter Your Card Number")
      end
    end
  end

  context "with valid credit card data", vcr: {
    cassette_name: 'checkout/valid_credit_card',
    match_requests_on: [:braintree_uri]
  } do
    include_context "with frontend checkout setup"
    # To ensure Venmo inputs do not conflict with checkout
    let(:venmo_enabled) { true }

    before do
      within_frame("braintree-hosted-field-number") do
        fill_in("credit-card-number", with: card_number)
      end
      within_frame("braintree-hosted-field-expirationDate") do
        fill_in("expiration", with: card_expiration)
      end
      within_frame("braintree-hosted-field-cvv") do
        fill_in("cvv", with: "123")
      end

      click_button("Save and Continue")
    end

    it "checks out successfully" do
      within(".confirm-step") do
        expect(page).to have_content("CONFIRM")
      end

      check('accept_terms_and_conditions')

      click_button("Place Order")
      expect(page).to have_content("Your order has been processed successfully")
    end

    context 'with 3D secure enabled' do
      let(:three_d_secure_enabled) { true }

      it 'checks out successfully' do
        authenticate_3ds

        within(".confirm-step") do
          expect(page).to have_content("CONFIRM")
        end

        check('accept_terms_and_conditions')

        click_button("Place Order")
        expect(page).to have_content("Your order has been processed successfully")
      end

      context 'with 3ds authentication error' do
        let(:card_number) { "4000000000001125" }

        it 'shows a 3ds authentication error' do
          authenticate_3ds
          expect(page).to have_content(
            "3D Secure authentication failed. Please try again using a different payment method."
          )
        end
      end
    end
  end

  context "with invalid credit card data" do
    include_context "with frontend checkout setup"

    # Attempt to submit an empty form once
    before do
      click_button "Save and Continue"
    end

    it "displays an alert with a meaningful error message" do
      expect(page).to have_text I18n.t("solidus_braintree.errors.empty_fields")
      expect(page).to have_selector("[type='submit']:enabled")
    end

    # Same error should be produced when submitting an empty form again
    context "when user tries to resubmit an empty form", vcr: { cassette_name: "checkout/invalid_credit_card" } do
      it "displays an alert with a meaningful error message" do
        expect(page).to have_selector("[type='submit']:enabled")

        click_button "Save and Continue"
        expect(page).to have_text I18n.t("solidus_braintree.errors.empty_fields")
      end
    end

    # User should be able to checkout after submit fails once
    context "when user enters valid data", vcr: {
      cassette_name: "checkout/resubmit_credit_card",
      match_requests_on: [:braintree_uri]
    } do
      it "allows them to resubmit and complete the purchase" do
        within_frame("braintree-hosted-field-number") do
          fill_in("credit-card-number", with: "4111111111111111")
        end
        within_frame("braintree-hosted-field-expirationDate") do
          fill_in("expiration", with: card_expiration)
        end
        within_frame("braintree-hosted-field-cvv") do
          fill_in("cvv", with: "123")
        end
        click_button("Save and Continue")

        within(".confirm-step") do
          expect(page).to have_content("CONFIRM")
        end

        check('accept_terms_and_conditions')

        click_button("Place Order")
        expect(page).to have_content("Your order has been processed successfully")
      end
    end
  end

  def authenticate_3ds
    within_frame("Cardinal-CCA-IFrame") do
      fill_in("challengeDataEntry", with: "1234")
      continue_button = find_button("SUBMIT")
      continue_button.scroll_to(continue_button)
      continue_button.click
    end
  end
end