# frozen_string_literal: true

# License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
require 'rails_helper'
require 'stripe_mock'

describe InsertCharge do
  include_context :shared_donation_charge_context
  let!(:donation) { force_create(:donation, id: 555) }
  describe '.with_stripe' do
    before(:each) do
      Settings.payment_provider.stripe_connect = true
    end
    describe 'param validation' do
      it 'does basic validation' do
        expect { InsertCharge.with_stripe(nil) }.to(raise_error do |error|
          expect(error).to be_a ParamValidation::ValidationError
          expect_validation_errors(error.data,
                                   [
                                     { key: :amount, name: :required },
                                     { key: :amount, name: :is_integer },
                                     { key: :amount, name: :min },
                                     { key: :nonprofit_id, name: :required },
                                     { key: :nonprofit_id, name: :is_integer },
                                     { key: :supporter_id, name: :required },
                                     { key: :supporter_id, name: :is_integer },
                                     { key: :card_id, name: :required },
                                     { key: :card_id, name: :is_integer },
                                     { key: :statement, name: :required },
                                     { key: :statement, name: :not_blank }
                                   ])
        end)
      end

      it 'verify the amount minimum works' do
        expect { InsertCharge.with_stripe(amount: -1) }.to(raise_error do |error|
          expect(error).to be_a ParamValidation::ValidationError
          expect_validation_errors(error.data,
                                   [
                                     { key: :amount, name: :min },
                                     { key: :nonprofit_id, name: :required },
                                     { key: :nonprofit_id, name: :is_integer },
                                     { key: :supporter_id, name: :required },
                                     { key: :supporter_id, name: :is_integer },
                                     { key: :card_id, name: :required },
                                     { key: :card_id, name: :is_integer },
                                     { key: :statement, name: :required },
                                     { key: :statement, name: :not_blank }

                                   ])
        end)
      end

      it 'verify that we check for valid nonprofit' do
        expect do
          InsertCharge.with_stripe(amount: 100,
                                   nonprofit_id: 5555,
                                   supporter_id: 5555,
                                   card_id: 5555,
                                   statement: 'our statement')
        end .to(raise_error do |error|
                  expect(error).to be_a ParamValidation::ValidationError
                  expect_validation_errors(error.data,
                                           [
                                             { key: :nonprofit_id }
                                           ])
                end)
      end

      it 'verify that we check for valid supporter' do
        expect do
          InsertCharge.with_stripe(amount: 100,
                                   nonprofit_id: nonprofit.id,
                                   supporter_id: 5555,
                                   card_id: 5555,
                                   statement: 'our statement')
        end .to(raise_error do |error|
                  expect(error).to be_a ParamValidation::ValidationError
                  expect_validation_errors(error.data,
                                           [
                                             { key: :supporter_id }
                                           ])
                end)
      end
      it 'verify that we check for valid card' do
        expect do
          InsertCharge.with_stripe(amount: 100,
                                   nonprofit_id: nonprofit.id,
                                   supporter_id: supporter.id,
                                   card_id: 5555,
                                   statement: 'our statement')
        end .to(raise_error do |error|
                  expect(error).to be_a ParamValidation::ValidationError
                  expect_validation_errors(error.data,
                                           [
                                             { key: :card_id }
                                           ])
                end)
      end

      it 'verify that we check that the supporter belongs to the correct nonprofit' do
        expect do
          InsertCharge.with_stripe(amount: 100,
                                   nonprofit_id: other_nonprofit.id,
                                   supporter_id: supporter.id,
                                   card_id: card.id,
                                   statement: 'our statement')
        end .to(raise_error do |error|
                  expect(error).to be_a ParamValidation::ValidationError
                  expect(error.message).to eq "#{supporter.id} does not belong to this nonprofit #{other_nonprofit.id}"
                  expect_validation_errors(error.data,
                                           [
                                             { key: :supporter_id }
                                           ])
                end)
      end

      it 'verify that we check that the card belongs to the correct supporter' do
        expect do
          InsertCharge.with_stripe(amount: 100,
                                   nonprofit_id: nonprofit.id,
                                   supporter_id: supporter.id,
                                   card_id: card_for_other_supporter.id,
                                   statement: 'our statement')
        end .to(raise_error do |error|
                  expect(error).to be_a ParamValidation::ValidationError
                  expect(error.message).to eq "#{card_for_other_supporter.id} does not belong to this supporter #{supporter.id}"
                  expect_validation_errors(error.data,
                                           [
                                             { key: :card_id }
                                           ])
                end)
      end
    end

    describe 'handle StripeAccount Find and Create failure' do
      before(:each)  do
        StripeMock.prepare_error(Stripe::StripeError.new('chaos'), :new_account)
      end
      it 'does it fail properly' do
        expect do
          InsertCharge.with_stripe(amount: 100,
                                   nonprofit_id: nonprofit.id,
                                   supporter_id: supporter.id,
                                   card_id: card.id,
                                   statement: 'our statement')
        end .to(raise_error do |error|
                  expect(error).to be_a Stripe::StripeError
                end)

        expect(Charge).to_not be_exists
        expect(Payment).to_not be_exists
      end
    end

    describe 'charge when customer belongs to client' do
      before(:each)  do
        nonprofit.stripe_account_id = Stripe::Account.create['id']
        nonprofit.save!
        card.stripe_customer_id = 'some other id'
        card.save!
        StripeMock.prepare_error(Stripe::StripeError.new('chaos'), :get_customer)
      end

      it 'handles card error' do
        expect(Stripe::Charge).to receive(:create).with({ application_fee: 33,
                                                          customer: card.stripe_customer_id,
                                                          amount: 100,
                                                          currency: 'usd',
                                                          description: 'our statement<> blah-no-way',
                                                          statement_descriptor: 'our statement blah-n',
                                                          metadata: nil }, stripe_account: nonprofit.stripe_account_id).and_wrap_original { |m, *args| m.call(*args) }
        StripeMock.prepare_card_error(:card_declined)

        finished_result = InsertCharge.with_stripe(amount: 100,
                                                   nonprofit_id: nonprofit.id,
                                                   supporter_id: supporter.id,
                                                   card_id: card.id,
                                                   statement: 'our statement<> blah-no-way')

        common_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: nil, status: 'failed', failure_message: 'There was an error with your card: The card was declined', created_at: Time.now, updated_at: Time.now, disbursed: nil }

        result_expected = common_expected.merge(card_id: card.id, nonprofit_id: nonprofit.id, donation_id: nil, supporter_id: supporter.id, ticket_id: nil, payment_id: nil, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

        expect(finished_result['charge'].attributes).to eq result_expected
        expect(Charge.first.attributes).to eq result_expected

        expect(Payment).to_not be_exists
      end

      it 'handles general Stripe error' do
        expect(Stripe::Charge).to receive(:create).with({ application_fee: 33,
                                                          customer: card.stripe_customer_id,
                                                          amount: 100,
                                                          currency: 'usd',
                                                          description: 'our statement<> blah-no-way',
                                                          statement_descriptor: 'our statement blah-n',
                                                          metadata: nil }, stripe_account: nonprofit.stripe_account_id).and_wrap_original { |m, *args| m.call(*args) }
        StripeMock.prepare_error(Stripe::StripeError.new('blah'), :new_charge)

        finished_result = InsertCharge.with_stripe(amount: 100,
                                                   nonprofit_id: nonprofit.id,
                                                   supporter_id: supporter.id,
                                                   card_id: card.id,
                                                   statement: 'our statement<> blah-no-way')

        common_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: nil, status: 'failed', failure_message: "We're sorry, but something went wrong. We've been notified about this issue.", created_at: Time.now, updated_at: Time.now, disbursed: nil }

        result_expected = common_expected.merge(card_id: card.id, nonprofit_id: nonprofit.id, donation_id: nil, supporter_id: supporter.id, ticket_id: nil, payment_id: nil, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

        expect(finished_result['charge'].attributes).to eq result_expected
        expect(Charge.first.attributes).to eq result_expected

        expect(Payment).to_not be_exists
      end
      describe 'input success' do
        let(:valid_input) do
          { amount: 100,
            nonprofit_id: nonprofit.id,
            supporter_id: supporter.id,
            card_id: card.id,
            donation_id: 555,
            towards: 'blah',
            kind: 'kind',
            statement: 'our statement<> blah-no-way' }
        end
        let (:date) { Time.new(2002, 10, 31) }
        let(:valid_input_with_date) { valid_input.merge(date: date) }

        it 'saves the payment and updates the charge' do
          stripe_charge_id = nil
          expect(Stripe::Charge).to receive(:create).with({ application_fee: 33,
                                                            customer: card.stripe_customer_id,
                                                            amount: 100,
                                                            currency: 'usd',
                                                            description: 'our statement<> blah-no-way',
                                                            statement_descriptor: 'our statement blah-n',
                                                            metadata: nil }, stripe_account: nonprofit.stripe_account_id).and_wrap_original { |m, *args|
                                      a = m.call(*args)
                                      stripe_charge_id = a['id']
                                      a
                                    }

          finished_result = InsertCharge.with_stripe(valid_input)

          common_charge_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: stripe_charge_id, status: 'pending', failure_message: nil, created_at: Time.now, updated_at: Time.now, disbursed: nil }

          result_charge_expected = common_charge_expected.merge(card_id: card.id, nonprofit_id: nonprofit.id, donation_id: 555, supporter_id: supporter.id, ticket_id: nil, payment_id: Payment.first.id, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

          expect(finished_result['charge'].attributes).to eq result_charge_expected
          expect(Charge.first.attributes).to eq result_charge_expected
          expect(Charge.count).to eq 1

          common_payment_expected = { id: Payment.first.id,
                                      gross_amount: 100,
                                      fee_total: -33,
                                      net_amount: 67,
                                      towards: 'blah',
                                      kind: 'kind',
                                      donation_id: 555,
                                      nonprofit_id: nonprofit.id,
                                      supporter_id: supporter.id,
                                      refund_total: 0,
                                      date: Time.now,
                                      created_at: Time.now,
                                      updated_at: Time.now,
                                      search_vectors: nil }.with_indifferent_access

          expect(finished_result['payment'].attributes).to eq common_payment_expected
          expect(Payment.first.attributes).to eq common_payment_expected
          expect(Payment.count).to eq 1
        end

        it 'saves the payment and updates the charge with passed date' do
          stripe_charge_id = nil
          expect(Stripe::Charge).to receive(:create).with({ application_fee: 33,
                                                            customer: card.stripe_customer_id,
                                                            amount: 100,
                                                            currency: 'usd',
                                                            description: 'our statement<> blah-no-way',
                                                            statement_descriptor: 'our statement blah-n',
                                                            metadata: nil }, stripe_account: nonprofit.stripe_account_id).and_wrap_original { |m, *args|
                                      a = m.call(*args)
                                      stripe_charge_id = a['id']
                                      a
                                    }

          finished_result = InsertCharge.with_stripe(valid_input_with_date)

          common_charge_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: stripe_charge_id, status: 'pending', failure_message: nil, created_at: Time.now, updated_at: Time.now, disbursed: nil }

          result_charge_expected = common_charge_expected.merge(card_id: card.id, nonprofit_id: nonprofit.id, donation_id: 555, supporter_id: supporter.id, ticket_id: nil, payment_id: Payment.first.id, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

          expect(finished_result['charge'].attributes).to eq result_charge_expected
          expect(Charge.first.attributes).to eq result_charge_expected
          expect(Charge.count).to eq 1

          common_payment_expected = { id: Payment.first.id,
                                      gross_amount: 100,
                                      fee_total: -33,
                                      net_amount: 67,
                                      towards: 'blah',
                                      kind: 'kind',
                                      donation_id: 555,
                                      nonprofit_id: nonprofit.id,
                                      supporter_id: supporter.id,
                                      refund_total: 0,
                                      date: date,
                                      created_at: Time.now,
                                      updated_at: Time.now,
                                      search_vectors: nil }.with_indifferent_access

          expect(finished_result['payment'].attributes).to eq common_payment_expected
          expect(Payment.first.attributes).to eq common_payment_expected
          expect(Payment.count).to eq 1
        end
      end
    end

    describe 'charge when customer belongs to us' do
      before(:each)  do
        nonprofit.stripe_account_id = Stripe::Account.create['id']
        nonprofit.save!
        card.stripe_customer_id = 'some other id'
        cust = Stripe::Customer.create
        card.stripe_customer_id = cust['id']
        card.save!
        new_cust = Stripe::Customer.create
        card_for_other_supporter.stripe_customer_id = new_cust['id']
        card_for_other_supporter.save!
        # StripeMock.prepare_error(Stripe::StripeError.new("chaos"), :get_customer)
      end

      def create_expected_charge_args(expected_card)
        [{ application_fee: 33,
           customer: expected_card.stripe_customer_id,
           amount: 100,
           currency: 'usd',
           description: 'our statement<> blah-no-way',
           statement_descriptor: 'our statement blah-n',
           metadata: nil,
           destination: nonprofit.stripe_account_id }, {}]
      end

      it 'handles card error' do
        expect(Stripe::Charge).to receive(:create).with(*create_expected_charge_args(card)).and_wrap_original { |m, *args| m.call(*args) }
        StripeMock.prepare_card_error(:card_declined)

        finished_result = InsertCharge.with_stripe(amount: 100,
                                                   nonprofit_id: nonprofit.id,
                                                   supporter_id: supporter.id,
                                                   card_id: card.id,
                                                   statement: 'our statement<> blah-no-way')

        common_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: nil, status: 'failed', failure_message: 'There was an error with your card: The card was declined', created_at: Time.now, updated_at: Time.now, disbursed: nil }

        result_expected = common_expected.merge(card_id: card.id, nonprofit_id: nonprofit.id, donation_id: nil, supporter_id: supporter.id, ticket_id: nil, payment_id: nil, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

        expect(finished_result['charge'].attributes).to eq result_expected
        expect(Charge.first.attributes).to eq result_expected

        expect(Payment).to_not be_exists
      end

      it 'handles general Stripe error' do
        expect(Stripe::Charge).to receive(:create).with(*create_expected_charge_args(card)).and_wrap_original { |m, *args| m.call(*args) }
        StripeMock.prepare_error(Stripe::StripeError.new('blah'), :new_charge)

        finished_result = InsertCharge.with_stripe(amount: 100,
                                                   nonprofit_id: nonprofit.id,
                                                   supporter_id: supporter.id,
                                                   card_id: card.id,
                                                   statement: 'our statement<> blah-no-way')

        common_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: nil, status: 'failed', failure_message: "We're sorry, but something went wrong. We've been notified about this issue.", created_at: Time.now, updated_at: Time.now, disbursed: nil }

        result_expected = common_expected.merge(card_id: card.id, nonprofit_id: nonprofit.id, donation_id: nil, supporter_id: supporter.id, ticket_id: nil, payment_id: nil, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

        expect(finished_result['charge'].attributes).to eq result_expected
        expect(Charge.first.attributes).to eq result_expected

        expect(Payment).to_not be_exists
      end
      describe 'input success' do
        let (:date) { Time.new(2002, 10, 31) }

        it 'saves the payment and updates the charge' do
          saves_the_payment_updates_the_charge(card)
        end

        it 'saves the payment and updates the charge, if old rd and using wrong card' do
          saves_the_payment_updates_the_charge(card_for_other_supporter, true)
        end

        it 'saves the payment and updates the charge with passed date' do
          saves_the_payment_and_updates_the_charge_with_passed_date(card)
        end

        it 'saves the payment and updates the charge with passed date, if old rd and using wrong card' do
          saves_the_payment_and_updates_the_charge_with_passed_date(card, true)
        end

        def insert_charge_input(expected_card, pass_old_donation = nil, pass_date = nil)
          inner = { amount: 100,
                    nonprofit_id: nonprofit.id,
                    supporter_id: supporter.id,
                    card_id: expected_card.id,
                    donation_id: 555,
                    towards: 'blah',
                    kind: 'kind',
                    statement: 'our statement<> blah-no-way' }

          inner = inner.merge(old_donation: true) if pass_old_donation

          inner = inner.merge(date: date) if pass_date

          inner
        end

        def saves_the_payment_updates_the_charge(expected_card, pass_old_donation = nil)
          stripe_charge_id = nil
          expect(Stripe::Charge).to receive(:create).with(*create_expected_charge_args(expected_card)).and_wrap_original { |m, *args|
                                      a = m.call(*args)
                                      stripe_charge_id = a['id']
                                      a
                                    }

          finished_result = InsertCharge.with_stripe(insert_charge_input(expected_card, pass_old_donation))

          common_charge_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: stripe_charge_id, status: 'pending', failure_message: nil, created_at: Time.now, updated_at: Time.now, disbursed: nil }

          result_charge_expected = common_charge_expected.merge(card_id: expected_card.id, nonprofit_id: nonprofit.id, donation_id: 555, supporter_id: supporter.id, ticket_id: nil, payment_id: Payment.first.id, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

          expect(finished_result['charge'].attributes).to eq result_charge_expected
          expect(Charge.first.attributes).to eq result_charge_expected
          expect(Charge.count).to eq 1

          common_payment_expected = { id: Payment.first.id,
                                      gross_amount: 100,
                                      fee_total: -33,
                                      net_amount: 67,
                                      towards: 'blah',
                                      kind: 'kind',
                                      donation_id: 555,
                                      nonprofit_id: nonprofit.id,
                                      supporter_id: supporter.id,
                                      refund_total: 0,
                                      date: Time.now,
                                      created_at: Time.now,
                                      updated_at: Time.now,
                                      search_vectors: nil }.with_indifferent_access

          expect(finished_result['payment'].attributes).to eq common_payment_expected
          expect(Payment.first.attributes).to eq common_payment_expected
          expect(Payment.count).to eq 1
        end

        def saves_the_payment_and_updates_the_charge_with_passed_date(expected_card, pass_old_donation = nil)
          stripe_charge_id = nil
          expect(Stripe::Charge).to receive(:create).with(*create_expected_charge_args(expected_card)).and_wrap_original { |m, *args|
                                      a = m.call(*args)
                                      stripe_charge_id = a['id']
                                      a
                                    }

          finished_result = InsertCharge.with_stripe(insert_charge_input(expected_card, pass_old_donation, true))

          common_charge_expected = { id: Charge.first.id, amount: 100, fee: 33, stripe_charge_id: stripe_charge_id, status: 'pending', failure_message: nil, created_at: Time.now, updated_at: Time.now, disbursed: nil }

          result_charge_expected = common_charge_expected.merge(card_id: card.id, nonprofit_id: nonprofit.id, donation_id: 555, supporter_id: supporter.id, ticket_id: nil, payment_id: Payment.first.id, profile_id: nil, direct_debit_detail_id: nil).with_indifferent_access

          expect(finished_result['charge'].attributes).to eq result_charge_expected
          expect(Charge.first.attributes).to eq result_charge_expected
          expect(Charge.count).to eq 1

          common_payment_expected = { id: Payment.first.id,
                                      gross_amount: 100,
                                      fee_total: -33,
                                      net_amount: 67,
                                      towards: 'blah',
                                      kind: 'kind',
                                      donation_id: 555,
                                      nonprofit_id: nonprofit.id,
                                      supporter_id: supporter.id,
                                      refund_total: 0,
                                      date: date,
                                      created_at: Time.now,
                                      updated_at: Time.now,
                                      search_vectors: nil }.with_indifferent_access

          expect(finished_result['payment'].attributes).to eq common_payment_expected
          expect(Payment.first.attributes).to eq common_payment_expected
          expect(Payment.count).to eq 1
        end
      end
    end
  end
end