#######################################
# SPEC IS DEPENDENT ON DEFINED ORDER!
#######################################
#
# Assumes that attribute is a string attribute without restrictions.

# rubocop:disable RSpec/DescribeClass
shared_examples_for '.save' do |attribute, additional_attrs: {}|
  describe '.save' do
    let( :new_hash ){ additional_attrs.merge( attribute => value ) }
    let( :new_model ){ described_class::MODEL.new( new_hash ) }
    let( :save_new ){ VCR.use_cassette( "#{ vcr_dir }/save_new" ){ repository.save( new_model ) } }
    let( :entity_wrapper ){ repository.mapper.class::JSON_ENTITY_WRAPPER }
    let( :value ){ 'A value' }

    shared_examples_for 'save' do
      before do
        if model.saved?
          message = 'Test trying to save model, but already marked as saved!'
          message << " Model: #{ model.inspect }"
          fail(message)
        end
      end

      specify "includes correct #{ attribute.inspect }" do
        saved_entity = send_request
        expect( saved_entity.send(attribute) ).to eql( value )
      end
    end

    describe 'new' do
      context 'when not saved' do
        include_examples 'save' do
          let( :model ){ new_model }
          let( :send_request ){ save_new }
        end
      end

      context "saved #{ described_class::MODEL }" do
        let( :hash ){ { unsaved: false }.merge(new_hash) }
        let( :model ){ described_class::MODEL.new( hash ) }

        before do
          # Should not make an API request in test!
          expect( repository ).not_to receive( :save_new )
          expect( repository ).not_to receive( :update_existing )
        end

        specify{ expect( repository.save( model )).to be( true ) }
      end
    end

    describe 'old (update existing)' do
      include_examples 'save' do
        let( :value ){ "Updated #{ attribute }" }
        let( :model ) do
          new_id = save_new.unique_id
          new_record = VCR.use_cassette( "#{ vcr_dir }/find_new" ){ repository.find( new_id ) }
          new_record.update( attribute => value )
        end
        let( :send_request ) do
          VCR.use_cassette( "#{ vcr_dir }/save_old" ){ repository.save( model ) }
        end
      end
    end
  end
end
# rubocop:enable RSpec/DescribeClass