require 'spec_helper'

describe Ibandit::Sweden::LocalDetailsConverter do
  subject(:converter) do
    described_class.new(account_number: account_number,
                        branch_code: branch_code)
  end

  let(:branch_code) { nil }

  describe '.convert' do
    subject { converter.convert }

    context 'with a type-1 account number' do
      let(:account_number) { '12810105723' }

      its([:account_number]) { is_expected.to eq('0105723') }
      its([:branch_code]) { is_expected.to eq('1281') }
      its([:swift_bank_code]) { is_expected.to eq('120') }
      its([:swift_account_number]) { is_expected.to eq('00000012810105723') }

      context 'that includes hyphens' do
        let(:account_number) { '1281-0105723' }

        its([:account_number]) { is_expected.to eq('0105723') }
        its([:branch_code]) { is_expected.to eq('1281') }
        its([:swift_bank_code]) { is_expected.to eq('120') }
        its([:swift_account_number]) { is_expected.to eq('00000012810105723') }
      end

      context 'with a separate branch code' do
        let(:branch_code) { '1281' }
        let(:account_number) { '0105723' }

        its([:account_number]) { is_expected.to eq('0105723') }
        its([:branch_code]) { is_expected.to eq('1281') }
        its([:swift_bank_code]) { is_expected.to eq('120') }
        its([:swift_account_number]) { is_expected.to eq('00000012810105723') }
      end

      context 'that includes spaces' do
        let(:account_number) { '1281 0105723' }

        its([:account_number]) { is_expected.to eq('0105723') }
        its([:branch_code]) { is_expected.to eq('1281') }
        its([:swift_bank_code]) { is_expected.to eq('120') }
        its([:swift_account_number]) { is_expected.to eq('00000012810105723') }
      end

      context 'that includes full stops' do
        let(:account_number) { '1281.010.572.3' }

        its([:account_number]) { is_expected.to eq('0105723') }
        its([:branch_code]) { is_expected.to eq('1281') }
        its([:swift_bank_code]) { is_expected.to eq('120') }
        its([:swift_account_number]) { is_expected.to eq('00000012810105723') }
      end

      context 'that needs the account number part to be zero-padded' do
        let(:account_number) { '1281-1' }

        its([:account_number]) { is_expected.to eq('1') }
        its([:branch_code]) { is_expected.to eq('1281') }
        its([:swift_bank_code]) { is_expected.to eq('120') }
        its([:swift_account_number]) { is_expected.to eq('00000000000012811') }
      end

      context 'from SEB' do
        let(:account_number) { '5439-10 240 39' }

        its([:account_number]) { is_expected.to eq('1024039') }
        its([:branch_code]) { is_expected.to eq('5439') }
        its([:swift_bank_code]) { is_expected.to eq('500') }
        its([:swift_account_number]) { is_expected.to eq('00000054391024039') }

        context 'with a separate branch code' do
          let(:branch_code) { '5439' }
          let(:account_number) { '1024039' }

          its([:account_number]) { is_expected.to eq('1024039') }
          its([:branch_code]) { is_expected.to eq('5439') }
          its([:swift_bank_code]) { is_expected.to eq('500') }
          its([:swift_account_number]) do
            is_expected.to eq('00000054391024039')
          end
        end
      end
    end

    context "with a clearing code that doesn't match any banks" do
      let(:account_number) { '1001-1' }

      its([:account_number]) { is_expected.to eq(nil) }
      its([:branch_code]) { is_expected.to eq(nil) }
      its([:swift_bank_code]) { is_expected.to eq(nil) }
      its([:swift_account_number]) { is_expected.to eq('00000000000010011') }
    end

    context 'with a Swedbank clearing code' do
      let(:account_number) { '7507-1211203' }

      its([:account_number]) { is_expected.to eq('1211203') }
      its([:branch_code]) { is_expected.to eq('7507') }
      its([:swift_bank_code]) { is_expected.to eq('800') }
      its([:swift_account_number]) { is_expected.to eq('00000075071211203') }

      context 'in the 8000s range' do
        let(:account_number) { '8327-9 33395390-9' }

        its([:account_number]) { is_expected.to eq('0333953909') }
        its([:branch_code]) { is_expected.to eq('83279') }
        its([:swift_bank_code]) { is_expected.to eq('800') }
        its([:swift_account_number]) { is_expected.to eq('00832790333953909') }
      end

      context 'another in the 8000s range' do
        let(:account_number) { '8201-6 914357963-0' }

        its([:account_number]) { is_expected.to eq('9143579630') }
        its([:branch_code]) { is_expected.to eq('82016') }
        its([:swift_bank_code]) { is_expected.to eq('800') }
        its([:swift_account_number]) { is_expected.to eq('00820169143579630') }
      end

      context 'with an explicit branch code' do
        let(:branch_code) { '8201-6' }
        let(:account_number) { '914357963-0' }

        its([:account_number]) { is_expected.to eq('9143579630') }
        its([:branch_code]) { is_expected.to eq('82016') }
        its([:swift_bank_code]) { is_expected.to eq('800') }
        its([:swift_account_number]) { is_expected.to eq('00820169143579630') }
      end

      context 'in the 8000s range, with a very short input' do
        let(:account_number) { '8004' }
        let(:branch_code) { nil }

        its([:account_number]) { is_expected.to be_nil }
        its([:branch_code]) { is_expected.to eq('8004') }
        its([:swift_bank_code]) { is_expected.to eq('800') }
        its([:swift_account_number]) { is_expected.to be_nil }
      end
    end

    context 'with a Sparbanken Öresund clearing code' do
      let(:account_number) { '9300-35299478' }

      its([:account_number]) { is_expected.to eq('35299478') }
      its([:branch_code]) { is_expected.to eq('9300') }
      its([:swift_bank_code]) { is_expected.to eq('930') }
      its([:swift_account_number]) { is_expected.to eq('00000000035299478') }

      context 'with clearing number 9330 or above' do
        let(:account_number) { '9330-5930160535' }

        its([:account_number]) { is_expected.to eq('5930160535') }
        its([:branch_code]) { is_expected.to eq('9330') }
        its([:swift_bank_code]) { is_expected.to eq('933') }
        its([:swift_account_number]) { is_expected.to eq('00000005930160535') }
      end
    end

    context 'with a Sparbanken Syd clearing code' do
      let(:account_number) { '9570-5250093407' }

      its([:account_number]) { is_expected.to eq('5250093407') }
      its([:branch_code]) { is_expected.to eq('9570') }
      its([:swift_bank_code]) { is_expected.to eq('957') }
      its([:swift_account_number]) { is_expected.to eq('00000005250093407') }
    end

    context 'with a Handelsbanken clearing code' do
      let(:account_number) { '6000-806967498' }

      its([:account_number]) { is_expected.to eq('806967498') }
      its([:branch_code]) { is_expected.to eq('6000') }
      its([:swift_bank_code]) { is_expected.to eq('600') }
      its([:swift_account_number]) { is_expected.to eq('00000000806967498') }

      context 'that has clearing code 6240' do
        let(:account_number) { '6240-219161038' }

        its([:account_number]) { is_expected.to eq('219161038') }
        its([:branch_code]) { is_expected.to eq('6240') }
        its([:swift_bank_code]) { is_expected.to eq('600') }
        its([:swift_account_number]) { is_expected.to eq('00000000219161038') }
      end

      context 'that only has an 8 digit serial number' do
        let(:account_number) { '6240-21916103' }

        its([:account_number]) { is_expected.to eq('021916103') }
        its([:branch_code]) { is_expected.to eq('6240') }
        its([:swift_bank_code]) { is_expected.to eq('600') }
        its([:swift_account_number]) { is_expected.to eq('00000000021916103') }
      end
    end

    context 'with a Nordea PlusGirot clearing code' do
      let(:account_number) { '9960-3401258276' }

      its([:account_number]) { is_expected.to eq('3401258276') }
      its([:branch_code]) { is_expected.to eq('9960') }
      its([:swift_bank_code]) { is_expected.to eq('950') }
      its([:swift_account_number]) { is_expected.to eq('00099603401258276') }
    end
  end
end