# frozen_string_literal: true

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

describe InsertBankAccount do
  let(:stripe_helper) { StripeMock.create_test_helper }
  before(:each) do
    Timecop.freeze(2020, 5, 4)
    StripeMock.start
  end
  after(:each) do
    StripeMock.stop
    Timecop.return
  end

  let(:nonprofit) { force_create(:nonprofit) }
  let(:user) { force_create(:user, email: 'x@example.com') }

  describe '.with_stripe' do
    describe 'param validation' do
      it 'validates np and user' do
        expect { InsertBankAccount.with_stripe(nil, nil, nil) }.to(raise_error do |error|
          expect(error).to be_a ParamValidation::ValidationError
          expect_validation_errors(error.data, [{ key: :nonprofit, name: :required },
                                                { key: :nonprofit, name: :is_a },
                                                { key: :user, name: :required },
                                                { key: :user, name: :is_a }])
        end)

        expect { InsertBankAccount.with_stripe(1, 2, nil) }.to(raise_error do |error|
          expect(error).to be_a ParamValidation::ValidationError
          expect_validation_errors(error.data, [
                                     { key: :nonprofit, name: :is_a },
                                     { key: :user, name: :is_a }
                                   ])
        end)
      end

      it 'validate stripe_bank_account_token' do
        expect { InsertBankAccount.with_stripe(nonprofit, user, nil) }.to(raise_error do |error|
          expect(error).to be_a ParamValidation::ValidationError
          expect_validation_errors(error.data, [{
                                     key: :stripe_bank_account_token,
                                     name: :required
                                   },
                                                {
                                                  key: :stripe_bank_account_token,
                                                  name: :not_blank
                                                }])
        end)
      end

      it 'validates whether vetted' do
        expect { InsertBankAccount.with_stripe(nonprofit, user, stripe_bank_account_token: 'blah') }.to(raise_error do |error|
          expect(error).to be_a ArgumentError
          expect(error.message).to include('vetted')
        end)
      end
    end

    describe 'exceptions in main function' do
      before (:each) { nonprofit.vetted = true }
      it 'StripeAccount.find_or_create fails' do
        expect(StripeAccount).to receive(:find_or_create).and_raise(StandardError.new)

        expect { InsertBankAccount.with_stripe(nonprofit, user, stripe_bank_account_token: 'blah') }.to(raise_error do |error|
          expect(error).to be_a StandardError
        end)
      end

      it 'Stripe::Account.retrieve fails' do
        expect(StripeAccount).to receive(:find_or_create).and_return('account_id')
        StripeMock.prepare_error(Stripe::StripeError.new('some error happened'), :get_account)

        expect { InsertBankAccount.with_stripe(nonprofit, user, stripe_bank_account_token: 'blah') }.to(raise_error do |error|
          expect(error).to be_a Stripe::StripeError
        end)
      end
    end

    describe 'works with account retrieval' do
      before (:each) { nonprofit.vetted = true; nonprofit.save! }
      let(:stripe_acct) { Stripe::Account.create(managed: true, country: 'US', display_name: 'test_display_name') }
      let(:stripe_bank_account_token) { StripeMock.generate_bank_token(country: 'US', routing_number: '110000000', account_number: '000123456789') }

      it 'sets failure message when external_account create fails' do
        expect(Stripe::Account).to receive(:retrieve).and_return(stripe_acct)
        StripeMock.prepare_error(Stripe::StripeError.new('hmm'), :create_external_account)
        expect { InsertBankAccount.with_stripe(nonprofit, user, stripe_bank_account_token: stripe_bank_account_token) }.to raise_error { |error|
          expect(error).to be_a ArgumentError
          expect(error.message).to eq 'Failed to connect the bank account: #<Stripe::StripeError: hmm>'
        }
      end

      it 'works with external account creation' do
        expect(Stripe::Account).to receive(:retrieve).and_return(stripe_acct)

        result = InsertBankAccount.with_stripe(nonprofit, user, stripe_bank_account_token: stripe_bank_account_token)
        expected = { email: user.email,
                     stripe_bank_account_token: stripe_bank_account_token,
                     pending_verification: true,
                     created_at: Time.now,
                     updated_at: Time.now,
                     status: nil, # doesn't seem to be used
                     id: 1,
                     deleted: nil,
                     account_number: nil, # doesn't seem to be used
                     nonprofit_id: nonprofit.id,
                     bank_name: nil }.with_indifferent_access
        expect(result.attributes.with_indifferent_access.except(:confirmation_token, :stripe_bank_account_id, :name)).to eq expected
        expect(result[:confirmation_token]).to_not be_blank
        expect(result[:stripe_bank_account_id]).to_not be_blank
        expect(result[:name]).to_not be_blank
      end
    end

    describe 'handles replacing the old accounts' do
      before (:each) do
        nonprofit.vetted = true; nonprofit.save!
        old_bank_account_false
        old_bank_account_nil
        old_bank_account_true
      end
      let(:stripe_acct) { Stripe::Account.create(managed: true, country: 'US', display_name: 'test_display_name') }
      let(:stripe_bank_account_token) { StripeMock.generate_bank_token(country: 'US', routing_number: '110000000', account_number: '000123456789') }

      let(:old_bank_account_nil) { force_create(:bank_account, nonprofit: nonprofit, deleted: nil) }
      let(:old_bank_account_false) { force_create(:bank_account, nonprofit: nonprofit, deleted: false) }
      let(:old_bank_account_true) { force_create(:bank_account, nonprofit: nonprofit, deleted: true) }

      it 'works with external account creation' do
        expect(Stripe::Account).to receive(:retrieve).and_return(stripe_acct)

        result = InsertBankAccount.with_stripe(nonprofit, user, stripe_bank_account_token: stripe_bank_account_token)
        expected = { email: user.email,
                     stripe_bank_account_token: stripe_bank_account_token,
                     pending_verification: true,
                     created_at: Time.now,
                     updated_at: Time.now,
                     status: nil, # doesn't seem to be used
                     id: result['id'],
                     deleted: nil,
                     account_number: nil, # doesn't seem to be used
                     nonprofit_id: nonprofit.id,
                     bank_name: nil }.with_indifferent_access
        expect(result.attributes.with_indifferent_access.except(:confirmation_token, :stripe_bank_account_id, :name)).to eq expected
        expect(result[:confirmation_token]).to_not be_blank
        expect(result[:stripe_bank_account_id]).to_not be_blank
        expect(result[:name]).to_not be_blank

        expect(nonprofit.bank_account).to eq result
        expect(BankAccount.where('nonprofit_id = ?', nonprofit.id).count).to eq 4
        expect(BankAccount.where('nonprofit_id = ? and deleted = true', nonprofit.id).count).to eq 3
      end
    end
  end
end