require "prawn"
require 'rack/session/cookie'

describe RegistrationApp do
  include Rack::Test::Methods

  def app
    RegistrationApp
  end

  describe 'GET index' do
    before :each do
      get '/'
    end

    it 'should succeed' do
      expect(last_response).to be_ok
    end

    it 'displays the registration form' do
      expect(last_response.body).to match(/form id="registration-form"/)
    end

    it 'allows three songs' do
      expect(last_response.body).to match(/Låt nr. 1/)
      expect(last_response.body).to match(/Låt nr. 2/)
      expect(last_response.body).to match(/Låt nr. 3/)
    end
  end

  describe 'POST submit' do
    include Mail::Matchers

    before :each do
      Mail::TestMailer.deliveries.clear
    end

    context 'with a valid registration' do
      let(:band_params) { create_band_params }
      before :each do
        post '/submit', 'band' => band_params
      end

      it 'should succeed' do
        expect(last_response).to be_ok
      end

      it 'should not display any errors' do
        expect(last_response.body).not_to include("Det er feil i skjemaet")
      end

      it 'displays submitted data to user' do
        expect(last_response).to match(/Bandnavn\: #{band_params['name']}/)
        expect(last_response).to match(/Hjemsted\: #{band_params['city']}/)
        expect(last_response).to match(/Webside\: #{band_params['website']}/)
        expect(last_response).to match(/Plateselskap\: #{band_params['label']}/)
        expect(last_response).to match(/Kort bio\: #{band_params['shortbio']}/)

        expect(last_response).to match(/Kontaktperson: #{band_params['contact']['name']}/)
        expect(last_response).to match(/Kontaktadresse: #{band_params['contact']['addr']}/)
        expect(last_response).to match(/Telefon: #{band_params['contact']['phone']}/)
        expect(last_response).to match(/Epost: #{band_params['contact']['email']}/)

        expect(last_response).to match(/#{band_params['members']['1']['name']}, #{band_params['members']['1']['instrument']}/)
        expect(last_response).to match(/#{band_params['members']['2']['name']}, #{band_params['members']['2']['instrument']}/)
        expect(last_response).to match(/#{band_params['members']['3']['name']}, #{band_params['members']['3']['instrument']}/)

        expect(last_response).to match(/#{band_params['songs']['1']['title']}/)
        expect(last_response).to match(/Spilletid: #{band_params['songs']['1']['time']}/)
        expect(last_response).to match(/Utøvere: #{band_params['songs']['1']['performers'].split("\n").join(", ")}/)
        expect(last_response).to match(/Låtskrivere: #{band_params['songs']['1']['composers'].split("\n").join(", ")}/)
        expect(last_response).to match(/Merknad: #{band_params['songs']['1']['notes']}/)
      end

      it "generates a PDF file" do
        expect(Prawn::Document).to have_received('new').with({ :page_size => "A4" })
        expect(@doc_spy).to have_received('render_file').with(/uploads\/[0-9]{4}-[0-9]{2}-[0-9]{2}-#{band_params['name']}-#{band_params['city']}\.pdf/)
      end

      describe 'sends an email to Norsk Urskog' do
        let(:message) { Mail::TestMailer.deliveries.first }

        it 'sends an email to Norsk Urskog' do
          expect(Mail::TestMailer.deliveries).not_to be_empty
          expect(message.to).to include('haraldei@anduin.net')
          expect(message.subject).to match(/Registrering av band #{band_params['name']} til Norsk Urskog/)
        end

        it 'contains the url to the pdf file' do
          expect(message.body).to match(/example.org\/uploads\/[0-9]{4}-[0-9]{2}-[0-9]{2}-#{band_params['name']}-#{band_params['city']}\.pdf/)
        end
      end
    end

    shared_examples_for('form with errors') do |args|
      let(:band_params) { create_band_params(args) }

      describe "form with errors" do
        before :each do
          post '/submit', 'band' => band_params
        end

        it 'should go back to the registration form' do
          expect(last_response.body).to match(/form id="registration-form"/)
        end

        it 'should display an error message' do
          expect(last_response.body).to include("Det er feil i skjemaet")
        end
      end
    end

    context 'with no songs' do
      it_behaves_like('form with errors', {:songs => 0})
    end

    context 'without a band name' do
      it_behaves_like('form with errors', {:name => ''})
    end

    context 'with a band name with only spaces' do
      it_behaves_like('form with errors', {:name => '    '})
    end

    context 'with no contact' do
      it_behaves_like('form with errors', {:contact_name => ''})
    end

    context 'with no contact address' do
      it_behaves_like('form with errors', {:contact_addr => ''})
    end

    context 'with no contact phone' do
      it_behaves_like('form with errors', {:contact_phone => ''})
    end

    context 'with no contact email' do
      it_behaves_like('form with errors', {:contact_phone => ''})
    end
  end
end