# frozen_string_literal: true

require "system_helper"

describe '
    As an administrator
    I want to print a invoice as PDF
', type: :feature do
  include WebHelper
  include AuthenticationHelper

  let(:user) { create(:user) }
  let(:product) { create(:simple_product) }
  let(:distributor) {
    create(:distributor_enterprise, owner: user, with_payment_and_shipping: true,
                                    charges_sales_tax: true)
  }
  let(:order_cycle) do
    create(:simple_order_cycle, name: 'One', distributors: [distributor],
                                variants: [product.variants.first])
  end

  let(:order) do
    create(:order_with_totals_and_distribution, user: user, distributor: distributor,
                                                order_cycle: order_cycle, state: 'complete',
                                                payment_state: 'balance_due')
  end

  before do
    Capybara.current_driver = :rack_test
    stub_request(:get, ->(uri) { uri.to_s.include? "/css/mail" })
  end

  after do
    Capybara.use_default_driver
  end

  describe "that contains right Payment Description at Checkout information" do
    let!(:payment_method1) do
      create(:stripe_sca_payment_method, distributors: [distributor], description: "description1")
    end
    let!(:payment_method2) do
      create(:stripe_sca_payment_method, distributors: [distributor], description: "description2")
    end

    context "with no payment" do
      it "do not display the payment description information" do
        login_as_admin_and_visit spree.print_admin_order_path(order)
        convert_pdf_to_page
        expect(page).to have_no_content 'Payment Description at Checkout'
      end
    end

    context "with one payment" do
      let!(:payment1) do
        create(:payment, :completed, order: order, payment_method: payment_method1)
      end
      before do
        order.save!
      end

      it "display the payment description section" do
        login_as_admin_and_visit spree.print_admin_order_path(order)
        convert_pdf_to_page
        expect(page).to have_content 'Payment Description at Checkout'
        expect(page).to have_content 'description1'
      end
    end

    context "with two payments, and one that failed" do
      before do
        order.update payments: []
        order.payments << create(:payment, :completed, order: order,
                                                       payment_method: payment_method1,
                                                       created_at: 1.day.ago)
        order.payments << create(:payment, order: order, state: 'failed',
                                           payment_method: payment_method2, created_at: 2.days.ago)
        order.save!
      end

      it "display the payment description section and use the one from the completed payment" do
        login_as_admin_and_visit spree.print_admin_order_path(order)
        convert_pdf_to_page
        expect(page).to have_content 'Payment Description at Checkout'
        expect(page).to have_content 'description1'
      end
    end

    context "with two completed payments" do
      before do
        order.update payments: []
        order.payments << create(:payment, :completed, order: order,
                                                       payment_method: payment_method1,
                                                       created_at: 2.days.ago)
        order.payments << create(:payment, :completed, order: order,
                                                       payment_method: payment_method2,
                                                       created_at: 1.day.ago)
        order.save!
      end

      it "display the payment description section and use the one from the last payment" do
        login_as_admin_and_visit spree.print_admin_order_path(order)
        convert_pdf_to_page
        expect(page).to have_content 'Payment Description at Checkout'
        expect(page).to have_content 'description2'
      end
    end
  end

  shared_examples "Check display on each invoice: legacy and alternative" do |alternative_invoice|
    let!(:completed_order) do
      create(:completed_order_with_fees, distributor: distributor, order_cycle: order_cycle,
                                         user: create(:user, email: "xxxxxx@example.com"),
                                         bill_address: create(:address, phone: '1234567890'))
    end

    before do
      allow(Spree::Config).to receive(:invoice_style2?).and_return(alternative_invoice)
      login_as_admin_and_visit spree.print_admin_order_path(completed_order)
      convert_pdf_to_page
    end

    it "display phone number and email of the customer" do
      expect(page).to have_content "1234567890"
      expect(page).to have_content "xxxxxx@example.com"
    end
  end

  it_behaves_like "Check display on each invoice: legacy and alternative", false
  it_behaves_like "Check display on each invoice: legacy and alternative", true

  describe "an order with taxes" do
    let(:user1) { create(:user, enterprises: [distributor]) }
    let!(:zone) { create(:zone_with_member) }
    let(:address) { create(:address) }

    context "included" do
      let(:shipping_tax_rate_included) {
        create(:tax_rate, amount: 0.1, included_in_price: true, zone: zone)
      }
      let(:enterprise_fee_rate_included) {
        create(:tax_rate, amount: 0.15, included_in_price: true, zone: zone)
      }
      let(:shipping_tax_category) { create(:tax_category, tax_rates: [shipping_tax_rate_included]) }
      let(:fee_tax_category) { create(:tax_category, tax_rates: [enterprise_fee_rate_included]) }
      let!(:shipping_method) {
        create(:shipping_method_with, :expensive_name, distributors: [distributor],
                                                       tax_category: shipping_tax_category)
      }
      let!(:enterprise_fee) {
        create(:enterprise_fee, enterprise: user1.enterprises.first,
                                tax_category: fee_tax_category,
                                calculator: Calculator::FlatRate.new(preferred_amount: 120.0))
      }
      let!(:order_cycle) {
        create(:simple_order_cycle, coordinator: distributor,
                                    coordinator_fees: [enterprise_fee], distributors: [distributor],
                                    variants: [product1.variants.first, product2.variants.first])
      }

      let!(:order1) {
        create(:order, order_cycle: order_cycle, distributor: user1.enterprises.first,
                       ship_address: address, bill_address: address)
      }
      let!(:product1) {
        create(:taxed_product, zone: zone, price: 12.54, tax_rate_amount: 0,
                               included_in_price: true)
      }
      let!(:product2) {
        create(:taxed_product, zone: zone, price: 500.15, tax_rate_amount: 0.2,
                               included_in_price: true)
      }

      let!(:line_item1) {
        create(:line_item, variant: product1.variants.first, price: 12.54, quantity: 1,
                           order: order1)
      }
      let!(:line_item2) {
        create(:line_item, variant: product2.variants.first, price: 500.15, quantity: 3,
                           order: order1)
      }

      before do
        order1.reload
        while !order1.delivery?
          break if !order1.next!
        end
        order1.select_shipping_method(shipping_method.id)
        order1.recreate_all_fees!
        while !order1.payment?
          break if !order1.next!
        end

        create(:payment, state: "checkout", order: order1, amount: order1.reload.total,
                         payment_method: create(:payment_method, distributors: [distributor]))
        while !order1.complete?
          break if !order1.next!
        end
      end

      context "legacy invoice" do
        before do
          allow(Spree::Config).to receive(:invoice_style2?).and_return(false)
          login_as_admin_and_visit spree.print_admin_order_path(order1)
          convert_pdf_to_page
        end

        it "displays $0.0 when a line item has no tax" do
          pending "i) for legend see picture on PR #9495"
          # first line item, no tax
          expect(page).to have_content "#{Spree::Product.first.name} 1 $0.0 $12.54"
          expect(page).to have_content "(1g)" # display as
        end

        it "displays GST for enterprise fees" do
          pending "ii) for legend see picture on PR #9495"
          # enterprise fee of $20.00
          expect(page).to have_content "Whole order - #{enterprise_fee.name} fee by coordinator " \
                                       "#{user1.enterprises.first.name} 1 $20.00 (included) $120.00"
        end

        it "displays the taxes correctly" do
          # header
          expect(page).to have_content "Item Qty GST Price"
          # second line item, included tax
          expect(page).to have_content Spree::Product.second.name.to_s
          expect(page).to have_content "(1g)" # display as
          expect(page).to have_content "3 $250.08 $1,500.45"
          # Enterprise fee
          expect(page).to have_content "Whole order - #{enterprise_fee.name} fee by coordinator " \
                                       "#{user1.enterprises.first.name} 1 $15.65 (included) $120.00"
          # Shipping
          expect(page).to have_content "Shipping 1 $9.14 (included) $100.55"
          # Order Totals
          expect(page).to have_content "GST Total: $274.87"
          expect(page).to have_content "Total (Excl. tax): $1,458.67"
          expect(page).to have_content "Total (Incl. tax): $1,733.54"
        end
      end

      context "alternative invoice" do
        before do
          allow(Spree::Config).to receive(:invoice_style2?).and_return(true)
          login_as_admin_and_visit spree.print_admin_order_path(order1)
          convert_pdf_to_page
        end

        it "displays the taxes correctly" do
          # header
          expect(page).to have_content "Item Qty"
          expect(page).to have_content "Unit price (Incl. tax)"
          expect(page).to have_content "Total price (Incl. tax)"
          expect(page).to have_content "Tax rate"
          # first line item, no tax
          expect(page).to have_content Spree::Product.first.name.to_s
          expect(page).to have_content "(1g)" # display as
          expect(page).to have_content "1 $12.54 $12.54 0.0%"
          # second line item, included tax
          expect(page).to have_content Spree::Product.second.name.to_s
          expect(page).to have_content "(1g)" # display as
          expect(page).to have_content "3 $500.15 $1,500.45 20.0%"
          # Enterprise fee
          expect(page).to have_content "#{enterprise_fee.name} fee by coordinator " \
                                       "#{user1.enterprises.first.name} $120.00"
          # Shipping
          expect(page).to have_content "Shipping $100.55 10.0%"
          # Tax totals
          expect(page).to have_content "Total tax (10.0%): $9.14 " \
                                       "Total tax (15.0%): $15.65 Total tax (20.0%): $250.08"
          # Order Totals
          expect(page).to have_content "Total (Incl. tax): $1,733.54"
          expect(page).to have_content "Total (Excl. tax): $1,458.67"
        end
      end
    end

    context "added" do
      let(:shipping_tax_rate_added) {
        create(:tax_rate, amount: 0.10, included_in_price: false, zone: zone)
      }
      let(:enterprise_fee_rate_added) {
        create(:tax_rate, amount: 0.15, included_in_price: false, zone: zone)
      }
      let(:shipping_tax_category) { create(:tax_category, tax_rates: [shipping_tax_rate_added]) }
      let(:fee_tax_category) { create(:tax_category, tax_rates: [enterprise_fee_rate_added]) }
      let!(:shipping_method) {
        create(:shipping_method_with, :expensive_name, distributors: [distributor],
                                                       tax_category: shipping_tax_category)
      }
      let(:enterprise_fee) {
        create(:enterprise_fee, enterprise: user1.enterprises.first,
                                tax_category: fee_tax_category,
                                calculator: Calculator::FlatRate.new(preferred_amount: 120.0))
      }
      let(:order_cycle2) {
        create(:simple_order_cycle, coordinator: distributor,
                                    coordinator_fees: [enterprise_fee], distributors: [distributor],
                                    variants: [product3.variants.first, product4.variants.first])
      }

      let(:order2) {
        create(:order, order_cycle: order_cycle2, distributor: user1.enterprises.first,
                       ship_address: address, bill_address: address)
      }
      let(:product3) {
        create(:taxed_product, zone: zone, price: 12.54, tax_rate_amount: 0,
                               included_in_price: false)
      }
      let(:product4) {
        create(:taxed_product, zone: zone, price: 500.15, tax_rate_amount: 0.2,
                               included_in_price: false)
      }

      let!(:line_item3) {
        create(:line_item, variant: product3.variants.first, price: 12.54, quantity: 1,
                           order: order2)
      }
      let!(:line_item4) {
        create(:line_item, variant: product4.variants.first, price: 500.15, quantity: 3,
                           order: order2)
      }

      before do
        order2.reload
        while !order2.delivery?
          break if !order2.next!
        end
        order2.select_shipping_method(shipping_method.id)
        order2.recreate_all_fees!
        while !order2.payment?
          break if !order2.next!
        end

        create(:payment, state: "checkout", order: order2, amount: order2.reload.total,
                         payment_method: create(:payment_method, distributors: [distributor]))
        while !order2.complete?
          break if !order2.next!
        end
      end

      context "legacy invoice" do
        before do
          allow(Spree::Config).to receive(:invoice_style2?).and_return(false)
          login_as_admin_and_visit spree.print_admin_order_path(order2)
          convert_pdf_to_page
        end
        it "displays $0.0 when a line item has no tax" do
          pending "iii) for legend see picture on PR #9495"
          # first line item, no tax - display $0.0
          expect(page).to have_content Spree::Product.first.name.to_s
          expect(page).to have_content "(1g)" # display as
          expect(page).to have_content "1 $0.0 $12.54"
        end

        it "displays the added tax on the GST colum" do
          pending "closing #7983, iv) for legend see picture on PR #9495"
          # second line item, added tax of $300.09
          expect(page).to have_content Spree::Product.second.name.to_s
          expect(page).to have_content "(1g)" # display as
          expect(page).to have_content "3 $300.09 $1,500.45"
        end

        it "displays GST for enterprise fees" do
          pending "v) for legend see picture on PR #9495"
          # enterprise fee of $24.00
          expect(page).to have_content "Whole order - #{enterprise_fee.name} fee by coordinator " \
                                       "#{user1.enterprises.first.name} 1 $20.00 $120.00"
        end

        it "displays the taxes correctly" do
          # header
          expect(page).to have_content "Item Qty GST Price"
          # Enterprise fee
          expect(page).to have_content "Whole order - #{enterprise_fee.name} fee by coordinator " \
                                       "#{user1.enterprises.first.name} 1 $18.00 $120.00"
          # Shipping
          expect(page).to have_content "Shipping 1 $10.06 $100.55"
          # Order Totals
          expect(page).to have_content "GST Total: $328.15"
          expect(page).to have_content "Total (Excl. tax): $1,733.54"
          expect(page).to have_content "Total (Incl. tax): $2,061.69"
        end
      end

      context "alternative invoice" do
        before do
          allow(Spree::Config).to receive(:invoice_style2?).and_return(true)
          login_as_admin_and_visit spree.print_admin_order_path(order2)
          convert_pdf_to_page
        end
        it "displays the taxes correctly" do
          # header
          expect(page).to have_content "Item Qty"
          expect(page).to have_content "Unit price (Incl. tax)"
          expect(page).to have_content "Total price (Incl. tax)"
          expect(page).to have_content "Tax rate"
          # first line item, no tax
          expect(page).to have_content Spree::Product.first.name.to_s
          expect(page).to have_content "(1g)" # display as
          expect(page).to have_content "1 $12.54 $12.54 0.0%"
          # second line item, included tax
          expect(page).to have_content Spree::Product.second.name.to_s
          expect(page).to have_content "(1g)" # display as
          expect(page).to have_content "3 $500.15 $1,500.45 20.0%"
          # Enterprise fee
          expect(page).to have_content "#{enterprise_fee.name} fee by coordinator " \
                                       "#{user1.enterprises.first.name} $120.00"
          # Shipping
          expect(page).to have_content "Shipping $100.55 10.0%"
          # Tax totals
          expect(page).to have_content "Total tax (10.0%): $10.06 " \
                                       "Total tax (15.0%): $18.00 Total tax (20.0%): $300.09"
          # Order Totals
          expect(page).to have_content "Total (Incl. tax): $2,061.69"
          expect(page).to have_content "Total (Excl. tax): $1,733.54"
        end
      end
    end
  end
end

def convert_pdf_to_page
  temp_pdf = Tempfile.new('pdf')
  temp_pdf << page.source.force_encoding('UTF-8')
  reader = PDF::Reader.new(temp_pdf)
  pdf_text = reader.pages.map(&:text)
  temp_pdf.close
  page.driver.response.instance_variable_set('@body', pdf_text)
end