# -*- encoding : utf-8 -*-

describe Card::Set::All::Fetch do
  describe '.fetch' do
    it 'returns and caches existing cards' do
      card_double = class_double('Card')
      expect(Card.fetch('A')).to be_instance_of(Card)
      expect(Card.cache.read('a')).to be_instance_of(Card)
      expect(card_double).not_to receive(:find_by_key)
      expect(Card.fetch('A')).to be_instance_of(Card)
    end

    it 'returns nil and caches missing cards' do
      expect(Card.fetch('Zork')).to be_nil
      expect(Card.cache.read('zork').new_card?).to be_truthy
      expect(Card.fetch('Zork')).to be_nil
    end

    it 'returns nil and caches trash cards' do
      Card::Auth.as_bot do
        card_double = class_double('Card')
        Card.fetch('A').delete!
        expect(Card.fetch('A')).to be_nil
        expect(card_double).not_to receive(:find_by_key_and_trash)
        expect(Card.fetch('A')).to be_nil
      end
    end

    it 'returns and caches builtin cards' do
      expect(Card.fetch('*head')).to be_instance_of(Card)
      expect(Card.cache.read('*head')).not_to be_nil
    end

    it 'returns virtual cards and caches them as missing' do
      Card::Auth.as_bot do
        card = Card.fetch('Joe User+*email')
        expect(card).to be_instance_of(Card)
        expect(card.name).to eq('Joe User+*email')
        expect(card.format.render_raw).to eq('joe@user.com')
      end
      # card.raw_content.should == 'joe@user.com'
      # cached_card = Card.cache.read('joe_user+*email')
      # cached_card.missing?.should be_true
      # cached_card.virtual?.should be_true
    end

    it 'fetches virtual cards after skipping them' do
      expect(Card['A+*self']).to be_nil
      expect(Card.fetch('A+*self')).not_to be_nil
    end

    it 'fetches newly virtual cards' do
      expect(Card.fetch('A+virtual')).to be_nil
      Card::Auth.as_bot { Card.create name: 'virtual+*right+*structure' }
      expect(Card.fetch('A+virtual')).not_to be_nil
    end

    it 'handles name variants of cached cards' do
      expect(Card.fetch('yomama+*self').name).to eq('yomama+*self')
      expect(Card.fetch('YOMAMA+*self').name).to eq('YOMAMA+*self')
      expect(Card.fetch('yomama', new: {}).name).to eq('yomama')
      expect(Card.fetch('YOMAMA', new: {}).name).to eq('YOMAMA')
      expect(Card.fetch('yomama!', new: { name: 'Yomama' }).name)
        .to eq('Yomama')
    end

    it 'does not recurse infinitely on template templates' do
      expect(Card.fetch('*structure+*right+*structure')).to be_nil
    end

    it 'expires card and dependencies on save' do
      # Card.cache.dump # should be empty
      Card.cache.soft.reset
      expect(Card.cache.soft.store.keys).to eq([])

      Card::Auth.as_bot do
        a = Card.fetch('A')
        expect(a).to be_instance_of(Card)

        # expires the saved card
        expect(a).to receive(:expire).and_call_original
        # expect().to receive(:delete).with('a#SUBCARDS#').and_call_original
        # expires plus cards
        # expect(Card.cache).to receive(:delete).with('c+a')
        # expect(Card.cache).to receive(:delete).with('d+a')
        # expect(Card.cache).to receive(:delete).with('f+a')
        # expect(Card.cache).to receive(:delete).with('a+b')
        # expect(Card.cache).to receive(:delete).with('a+c')
        # expect(Card.cache).to receive(:delete).with('a+d')
        # expect(Card.cache).to receive(:delete).with('a+e')
        # expect(Card.cache).to receive(:delete).with('a+b+c')

        # expired including? cards
        # expect(Card.cache).to receive(:delete).with('x').exactly(2).times
        # expect(Card.cache).to receive(:delete).with('y').exactly(2).times
        a.save!
      end
    end
    describe 'default option' do
      context "when card doesn't exist" do
        it 'initializes new cards' do
          card = Card.fetch 'non-existent',
                            new: { default_content: 'default content' }
          expect(card.content).to eq 'default content'
        end
      end
      context 'when new card exist' do
        it "doesn't change anything" do
          Card.new name: 'new card',
                   '+sub' => { content: 'some content' }
          card = Card.fetch 'new card+sub',
                            new: { default_content: 'new content' }
          expect(card.content).to eq 'some content'
        end
      end
    end

    describe 'preferences' do
      before do
        Card::Auth.current_id = Card::WagnBotID
      end

      it 'prefers db cards to pattern virtual cards' do
        c1=Card.create!(name: 'y+*right+*structure', content: 'Formatted Content')
        c2=Card.create!(name: 'a+y', content: 'DB Content')
        card = Card.fetch('a+y')
        expect(card.virtual?).to be_falsey
        expect(card.rule(:structure)).to eq('Formatted Content')
        expect(card.content).to eq('DB Content')
      end

      it 'prefers a pattern virtual card to trash cards' do
        Card.create!(name: 'y+*right+*structure', content: 'Formatted Content')
        Card.create!(name: 'a+y', content: 'DB Content')
        Card.fetch('a+y').delete!

        card = Card.fetch('a+y')
        expect(card.virtual?).to be
        expect(card.raw_content).to eq('Formatted Content')
      end

      it 'should recognize pattern overrides' do
        # ~~~ create right rule
        tc=Card.create!(name: 'y+*right+*structure', content: 'Right Content')
        card = Card.fetch('a+y')
        expect(card.virtual?).to be
        expect(card.raw_content).to eq('Right Content')

        #        warn 'creating template'
        tpr = Card.create! name: 'Basic+y+*type plus right+*structure',
                           content: 'Type Plus Right Content'
        card = Card.fetch('a+y')
        expect(card.virtual?).to be
        expect(card.raw_content).to eq('Type Plus Right Content')

        # ~~~ delete type plus right rule
        tpr.delete!
        card = Card.fetch('a+y')
        expect(card.virtual?).to be
        expect(card.raw_content).to eq('Right Content')
      end

      it 'should not hit the database for every fetch_virtual lookup' do
        card_double = class_double('Card')
        Card.create!(name: 'y+*right+*structure', content: 'Formatted Content')
        Card.fetch('a+y')
        expect(card_double).not_to receive(:find_by_key)
        Card.fetch('a+y')
      end

      it 'should not be a new_record after being saved' do
        Card.create!(name: 'growing up')
        card = Card.fetch('growing up')
        expect(card.new_record?).to be_falsey
      end
    end

    describe 'default_content option' do
      context "when card doesn't exist" do
        it 'initializes card with default content' do
          card = Card.fetch 'non-existent',
                            new: { default_content: 'default content' }
          expect(card.content).to eq 'default content'
        end
      end
      context 'when new card exist' do
        it "doesn't change content" do
          Card.new name: 'new card',
                   '+sub' => { content: 'some content' }
          card = Card.fetch 'new card+sub',
                            new: { default_content: 'new content' }
          expect(card.content).to eq 'some content'
        end
      end
    end
  end

  describe '#fetch new: { ... }' do
    it "returns a new card if it doesn't find one" do
      new_card = Card.fetch 'Never Seen Me Before', new: {}
      expect(new_card).to be_instance_of(Card)
      expect(new_card.new_record?).to be_truthy
    end

    it 'returns a card if it finds one' do
      new_card = Card.fetch 'A+B', new: {}
      expect(new_card).to be_instance_of(Card)
      expect(new_card.new_record?).to be_falsey
    end

    it 'takes a second hash of options as new card options' do
      new_card = Card.fetch 'Never Before', new: { type: 'Image' }
      expect(new_card).to be_instance_of(Card)
      expect(new_card.type_code).to eq(:image)
      expect(new_card.new_record?).to be_truthy
      expect(Card.fetch('Never Before', new: {}).type_id).to eq(Card::BasicID)
    end
  end

  describe '#fetch_virtual' do
    before do
      Card::Auth.as_bot do
        Card.create! name: 'testsearch+*right+*structure',
                     content: '{"plus":"_self"}', type: 'Search'
      end
    end
    it 'should find cards with *right+*structure specified' do
      c = Card.fetch('A+testsearch'.to_name)
      assert c.virtual?
      expect(c.type_code).to eq(:search_type)
      expect(c.raw_content).to eq('{"plus":"_self"}')
    end
    context 'fetched virtual card with new args' do
      it 'should fetch the virtual card with type set in patterns' do
        Card.fetch '+testsearch', new: { name: '+testsearch',
                                         supercard: Card['home'] }

        c = Card.fetch('Home+testsearch'.to_name)
        assert c.virtual?
        expect(c.type_code).to eq(:search_type)
        expect(c.raw_content).to eq('{"plus":"_self"}')
        patterns = c.instance_variable_get('@patterns').map(&:to_s)
        expect(patterns).to include('Search+*type')
      end
    end
  end

  describe '#exists?' do
    it 'is true for cards that are there' do
      expect(Card.exists?('A')).to eq(true)
    end

    it "is false for cards that aren't" do
      expect(Card.exists?('Mumblefunk is gone')).to eq(false)
    end
  end
end