require 'spec_helper'

if defined?(Mongoid) && ::Mongoid::VERSION =~ /^2(.*)/

  describe Money do
    let(:priceable) { Priceable.create(:price => Money.new(100, 'EUR')) }
    let(:priceable_from_nil) { Priceable.create(:price => nil) }
    let(:priceable_from_num) { Priceable.create(:price => 1) }
    let(:priceable_from_string) { Priceable.create(:price => '1 EUR' )}
    let(:priceable_with_infinite_precision) { Priceable.create(:price => Money.new(BigDecimal.new('100.1'), 'EUR')) }
    let(:priceable_from_string_with_hyphen) { Priceable.create(:price => '1-2 EUR' )}

    context "serialize" do
      it "mongoizes correctly nil to nil" do
        expect(priceable_from_nil.price).to be_nil
      end

      it "serializes correctly a Money object to a hash of cents and currency" do
        expect(priceable.price.cents).to eq(100)
        expect(priceable.price.currency).to eq(Money::Currency.find('EUR'))
      end

      it "mongoizes correctly a Numeric object to a hash of cents and currency" do
        expect(priceable_from_num.price.cents).to eq(100)
        expect(priceable_from_num.price.currency).to eq(Money.default_currency)
      end

      it "mongoizes correctly a String object to a hash of cents and currency" do
        expect(priceable_from_string.price.cents).to eq(100)
        expect(priceable_from_string.price.currency).to eq(Money::Currency.find('EUR'))
      end

      context "infinite_precision = true" do
        before do
          Money.infinite_precision = true
        end

        after do
          Money.infinite_precision = false
        end

        it "mongoizes correctly a Money object to a hash of cents and currency" do
          expect(priceable_with_infinite_precision.price.cents).to eq(BigDecimal.new('100.1'))
          expect(priceable_with_infinite_precision.price.currency).to eq(Money::Currency.find('EUR'))
        end
      end

      context "when MoneyRails.raise_error_on_money_parsing is true" do
        before { MoneyRails.raise_error_on_money_parsing = true }
        after { MoneyRails.raise_error_on_money_parsing = false }

        it "raises exception if the mongoized value is a String with a hyphen" do
          expect { priceable_from_string_with_hyphen }.to raise_error MoneyRails::Error
        end
      end

      context "when MoneyRails.raise_error_on_money_parsing is false" do
        it "does not mongoizes correctly a String with hyphen in its middle" do
          expect(priceable_from_string_with_hyphen.price).to eq(nil)
        end
      end
    end

    context "deserialize" do
      subject { priceable.price }
      it { is_expected.to be_an_instance_of(Money) }
      it { is_expected.to eq(Money.new(100, 'EUR')) }

      it "returns nil if a nil value was stored" do
        nil_priceable = Priceable.create(price: nil)
        expect(nil_priceable.price).to be_nil
      end

      it 'returns nil if an unknown value was stored' do
        zero_priceable = Priceable.create(:price => [])
        expect(zero_priceable.price).to be_nil
      end
    end
  end
end