require File.expand_path('../../spec_helper', __FILE__)

describe Tagtical do
  before(:each) do
    clean_database!
  end

  # We don't want to be calling "acts_as_tagable" on TaggableModel which get's used in other tests!
  class JunkTaggableModel < TaggableModel
  end

  it "should provide a class method 'taggable?' that is false for untaggable models" do
    UntaggableModel.should_not be_taggable
  end

  describe "Taggable Method Generation" do
    before(:each) do
      clean_database!
      JunkTaggableModel.write_inheritable_attribute(:tag_types, [])
      JunkTaggableModel.acts_as_taggable(:tags, :languages, :skills, :needs, :offerings)
      @taggable = JunkTaggableModel.new(:name => "Bob Jones")
    end

    it "should respond 'true' to taggable?" do
      @taggable.class.should be_taggable
    end

    it "should create a class attribute for tag types" do
      @taggable.class.should respond_to(:tag_types)
    end

    it "should create an instance attribute for tag types" do
      @taggable.should respond_to(:tag_types)
    end

    it "should have all tag types" do
      @taggable.tag_types.should == ["tag", "language", "skill", "need", "offering"]
    end

    it "should generate an association for each tag type" do
      @taggable.should respond_to(:tags, :skills, :languages)
    end

    it "should add tagged_with and tag_counts to singleton" do
      JunkTaggableModel.should respond_to(:tagged_with, :tag_counts)
    end

    it "should generate methods for each tag_type" do
      JunkTaggableModel.should respond_to(:with_tags, :with_languages, :with_skills, :with_needs, :with_offerings)
    end

    it "should generate a tag_list accessor/setter for each tag type" do
      @taggable.should respond_to(:tag_list, :skill_list, :language_list)
      @taggable.should respond_to(:tag_list=, :skill_list=, :language_list=)
    end

    it "should generate a tag_list accessor, that includes owned tags, for each tag type" do
      @taggable.should respond_to(:all_tags_list, :all_skills_list, :all_languages_list)
    end
  end

  describe "Single Table Inheritance" do
    before do
      @taggable = TaggableModel.new(:name => "taggable")
      @inherited_same = InheritingTaggableModel.new(:name => "inherited same")
      @inherited_different = AlteredInheritingTaggableModel.new(:name => "inherited different")
    end

    it "should pass on tag contexts to STI-inherited models" do
      @inherited_same.should respond_to(:tag_list, :skill_list, :language_list)
      @inherited_different.should respond_to(:tag_list, :skill_list, :language_list)
    end

    it "should have tag contexts added in altered STI models" do
      @inherited_different.should respond_to(:part_list)
    end
  end

  describe "Reloading" do
    it "should save a model instantiated by Model.find" do
      taggable = TaggableModel.create!(:name => "Taggable")
      found_taggable = TaggableModel.find(taggable.id)
      found_taggable.save
    end
  end

  describe "Related Objects" do
    it "should find related objects based on tag names on context" do
      taggable1 = TaggableModel.create!(:name => "Taggable 1")
      taggable2 = TaggableModel.create!(:name => "Taggable 2")
      taggable3 = TaggableModel.create!(:name => "Taggable 3")

      taggable1.tag_list = "one, two"
      taggable1.save

      taggable2.tag_list = "three, four"
      taggable2.save

      taggable3.tag_list = "one, four"
      taggable3.save

      taggable1.find_related_tags.should include(taggable3)
      taggable1.find_related_tags.should_not include(taggable2)
    end

    it "should find other related objects based on tag names on context" do
      taggable1 = TaggableModel.create!(:name => "Taggable 1")
      taggable2 = OtherTaggableModel.create!(:name => "Taggable 2")
      taggable3 = OtherTaggableModel.create!(:name => "Taggable 3")

      taggable1.tag_list = "one, two"
      taggable1.save

      taggable2.tag_list = "three, four"
      taggable2.save

      taggable3.tag_list = "one, four"
      taggable3.save

      taggable1.find_related_tags_for(OtherTaggableModel).should include(taggable3)
      taggable1.find_related_tags_for(OtherTaggableModel).should_not include(taggable2)
    end

    it "should not include the object itself in the list of related objects" do
      taggable1 = TaggableModel.create!(:name => "Taggable 1")
      taggable2 = TaggableModel.create!(:name => "Taggable 2")

      taggable1.tag_list = "one"
      taggable1.save

      taggable2.tag_list = "one, two"
      taggable2.save

      taggable1.find_related_tags.should include(taggable2)
      taggable1.find_related_tags.should_not include(taggable1)
    end
  end

  describe "Matching Contexts" do
    it "should find objects with tags of matching contexts" do
      taggable1 = TaggableModel.create!(:name => "Taggable 1")
      taggable2 = TaggableModel.create!(:name => "Taggable 2")
      taggable3 = TaggableModel.create!(:name => "Taggable 3")

      taggable1.offering_list = "one, two"
      taggable1.save!

      taggable2.need_list = "one, two"
      taggable2.save!

      taggable3.offering_list = "one, two"
      taggable3.save!

      taggable1.find_matching_contexts(:offerings, :needs).should include(taggable2)
      taggable1.find_matching_contexts(:offerings, :needs).should_not include(taggable3)
    end

    it "should find other related objects with tags of matching contexts" do
      taggable1 = TaggableModel.create!(:name => "Taggable 1")
      taggable2 = OtherTaggableModel.create!(:name => "Taggable 2")
      taggable3 = OtherTaggableModel.create!(:name => "Taggable 3")

      taggable1.offering_list = "one, two"
      taggable1.save

      taggable2.need_list = "one, two"
      taggable2.save

      taggable3.offering_list = "one, two"
      taggable3.save

      taggable1.find_matching_contexts_for(OtherTaggableModel, :offerings, :needs).should include(taggable2)
      taggable1.find_matching_contexts_for(OtherTaggableModel, :offerings, :needs).should_not include(taggable3)
    end

    it "should not include the object itself in the list of related objects" do
      taggable1 = TaggableModel.create!(:name => "Taggable 1")
      taggable2 = TaggableModel.create!(:name => "Taggable 2")

      taggable1.tag_list = "one"
      taggable1.save

      taggable2.tag_list = "one, two"
      taggable2.save

      taggable1.find_related_tags.should include(taggable2)
      taggable1.find_related_tags.should_not include(taggable1)
    end
  end

  describe 'Tagging Contexts' do
    it 'should eliminate duplicate tagging contexts ' do
      JunkTaggableModel.acts_as_taggable(:skills, :skills)
      JunkTaggableModel.tag_types.freq["skill"].should == 1
    end

    it "should not contain embedded/nested arrays" do
      JunkTaggableModel.acts_as_taggable([:skills], [:skills])
      JunkTaggableModel.tag_types.freq[[:skills]].should == 0
    end

    it "should _flatten_ the content of arrays" do
      JunkTaggableModel.acts_as_taggable([:skills], [:skills])
      JunkTaggableModel.tag_types.freq["skill"].should == 1
    end

   # it "should support tag_types without an associated Tag subclass" do
   #   lambda { JunkTaggableModel.acts_as_taggable(:doesnt_exist) }.should_not raise_error
   # end

    it "should not raise an error when passed nil" do
      lambda {
        JunkTaggableModel.acts_as_taggable()
      }.should_not raise_error
    end

    it "should not raise an error when passed [nil]" do
      lambda {
        JunkTaggableModel.acts_as_taggable([nil])
      }.should_not raise_error
    end

    #context "when Tag subclass is not present" do
    #
    #  before do
    #    TaggableModel.acts_as_taggable(:machines)
    #    @taggable_model = TaggableModel.create!(:name => "Taggable 1", :tag_list => "random, tags")
    #    @taggable_model.machine_list = "car, plane, train"
    #    @taggable_model.save!
    #    @taggable_model.reload
    #    @tag_type = @taggable_model.tag_types.find { |t| t=="machine" }
    #  end
    #
    #  specify { @tag_type.klass.should be_nil }
    #
    #  it "should have basic tagging methods" do
    #    @taggable_model.machines.map(&:value).sort.should == ["car", "plane", "train"]
    #    @taggable_model.tags.machines.map(&:value).sort.should == ["car", "plane", "train"]
    #  end
    #
    #  it "should instantiate with Tagtical::Tag" do
    #    @taggable_model.machines.each { |tag| tag.should be_an_instance_of Tagtical::Tag }
    #  end
    #
    #end
  end

  describe "Tagging with Symbols" do
    it "should tag with symbols" do
      @taggable_model = TaggableModel.create!(:name => "Taggable", :tag_list => [:tag1, :tag2])
      @taggable_model.tag_list.should == ["tag1", "tag2"]
    end

  end

  describe "Tagging With Relevance" do
    before do
      @taggable_model = TaggableModel.create!(:name => "Taggable", :tag_list => {"random" => 0.45, "tags" => 1.54}, :skill_list => "tennis, pottery")
    end

    it "should have tags with relevance" do
      @taggable_model.tags.sort.map(&:relevance).should == [0.45, Tagtical::Tagging.default_relevance, Tagtical::Tagging.default_relevance, 1.54]
    end

    it "should have skills with relevance" do
      @taggable_model.skills.first.relevance.should == Tagtical::Tagging.default_relevance
    end

    it "should overwrite relevance" do
      @taggable_model.tag_list = {"tennis" => 6.0}
      @taggable_model.save!
      @taggable_model.reload
      @taggable_model.skills.find_by_value("tennis").relevance.should == 6.0
    end

    it "should be able to change the tag type and update the relevance" do
      @taggable_model.craft_list = {"pottery" => 4.56}
      @taggable_model.save!
      @taggable_model.reload
      skills = @taggable_model.skills.find_all_by_value("pottery")
      skills.should have(1).items
      skills.first.relevance.should == 4.56
      skills.first.should be_an_instance_of Tag::FooCraft
    end

  end

  describe 'Caching' do
    before(:each) do
      @taggable = CachedModel.new(:name => "Bob Jones")
    end

    it "should add saving of tag lists and cached tag lists to the instance" do
      @taggable.should respond_to(:save_cached_tag_list)
      @taggable.should respond_to(:save_tags)
    end

    it "should generate a cached column checker for each tag type" do
      CachedModel.should respond_to(:caching_tag_list?)
    end

    it 'should not have cached tags' do
      @taggable.cached_tag_list.should be_blank
    end

    it 'should cache tags' do
      @taggable.update_attributes(:tag_list => 'awesome, epic')
      @taggable.cached_tag_list.should == 'awesome, epic'
    end

    it 'should keep the cache' do
      @taggable.update_attributes(:tag_list => 'awesome, epic')
      @taggable = CachedModel.find(@taggable)
      @taggable.save!
      @taggable.cached_tag_list.should == 'awesome, epic'
    end

    it 'should update the cache' do
      @taggable.update_attributes(:tag_list => 'awesome, epic')
      @taggable.update_attributes(:tag_list => 'awesome')
      @taggable.cached_tag_list.should == 'awesome'
    end

    it 'should remove the cache' do
      @taggable.update_attributes(:tag_list => 'awesome, epic')
      @taggable.update_attributes(:tag_list => '')
      @taggable.cached_tag_list.should be_blank
    end

    it 'should have a tag list' do
      @taggable.update_attributes(:tag_list => 'awesome, epic')
      @taggable = CachedModel.find(@taggable.id)
      @taggable.tag_list.sort.should == %w(awesome epic).sort
    end

    it 'should keep the tag list' do
      @taggable.update_attributes(:tag_list => 'awesome, epic')
      @taggable = CachedModel.find(@taggable.id)
      @taggable.save!
      @taggable.tag_list.sort.should == %w(awesome epic).sort
    end
  end

end