require File.join(File.dirname(__FILE__),'helper')

# Only run these if the user has chipmunk installed
if defined? CP
  class CircleActor < Actor
    has_behaviors :physical => {:shape => :circle, 
      :mass => 500,
      :radius => 10}
  end

  describe 'A new physical behavior' do
    before do
      @stage = stub(:load_animation_set => ['1.png_img_obj','2.png_img_obj'],:register_physical_object => true)

      @opts = {:stage=>@stage, :input=>"input", :resources=>"rm"}
      @actor = CircleActor.new @opts
      @physical = @actor.physical
    end

    it 'should add methods to its actor' do
      @actor.should.respond_to? :x
      pending 'add shared example for relegates'
    end

    describe "#pivot" do
      it 'creates a new PivotJoint and adds it to the space' do
        other = CircleActor.new @opts
        v1 = vec2(2,3)
        v2 = vec2(4,5)
        CP::Constraint::PivotJoint.expects(:new).with(@physical.body, other.body, v1, v2).returns(:joint)
        @stage.expects(:register_physical_constraint).with(:joint)

        @actor.pivot(v1, other, v2).should == :joint
      end
    end

    describe "#pin" do
      it 'creates a new PinJoint and adds it to the space' do
        other = CircleActor.new @opts
        v1 = vec2(2,3)
        v2 = vec2(4,5)
        CP::Constraint::PinJoint.expects(:new).with(@physical.body, other.body, v1, v2).returns(:joint)
        @stage.expects(:register_physical_constraint).with(:joint)

        @actor.pin(v1, other, v2).should == :joint
      end
    end

    describe "#spring" do
      it 'creates a new DampedSpring and adds it to the space' do
        other = CircleActor.new @opts
        v1 = vec2(2,3)
        v2 = vec2(4,5)
        CP::Constraint::DampedSpring.expects(:new).with(@physical.body, other.body, v1, v2, 1,2,3).returns(:spring)
        @stage.expects(:register_physical_constraint).with(:spring)

        @actor.spring(v1, other, v2, 1, 2, 3).should == :spring
      end
    end



    describe "#groove" do
      it 'creates a new GrooveJoint and adds it to the space' do
        other = CircleActor.new @opts
        v1 = vec2(2,3)
        v2 = vec2(4,5)
        v3 = vec2(9,7)
        CP::Constraint::GrooveJoint.expects(:new).with(@physical.body, other.body, v1, v2, v3).returns(:groove)
        @stage.expects(:register_physical_constraint).with(:groove)

        @actor.groove(v1, v2, other, v3).should == :groove
      end
    end

    describe "#rotary_spring" do
      it 'creates a new DampedRotarySpring and adds it to the space' do
        other = CircleActor.new @opts
        CP::Constraint::DampedRotarySpring.expects(:new).with(@physical.body, other.body, 3.14, 10, 50).returns(:rotary_spring)
        @stage.expects(:register_physical_constraint).with(:rotary_spring)
        @actor.rotary_spring(other, 3.14, 10, 50).should == :rotary_spring
      end
    end

    describe "#rotary_limit" do
      it 'creates a new RotaryLimitJoint and adds it to the space' do
        other = CircleActor.new @opts
        CP::Constraint::RotaryLimitJoint.expects(:new).with(@physical.body, other.body, 0, 3).returns(:rotary_limit)
        @stage.expects(:register_physical_constraint).with(:rotary_limit)
        @actor.rotary_limit(other, 0, 3).should == :rotary_limit
      end
    end

    describe "#ratchet" do
      it 'creates a new RatchetJoint and adds it to the space' do
        other = CircleActor.new @opts
        CP::Constraint::RatchetJoint.expects(:new).with(@physical.body, other.body, 0, 0.3).returns(:ratchet)
        @stage.expects(:register_physical_constraint).with(:ratchet)
        @actor.ratchet(other, 0, 0.3).should == :ratchet
      end
    end

    describe "#gear" do
      it 'creates a new GearJoint and adds it to the space' do
        other = CircleActor.new @opts
        CP::Constraint::GearJoint.expects(:new).with(@physical.body, other.body, 0, 0.3).returns(:gear)
        @stage.expects(:register_physical_constraint).with(:gear)
        @actor.gear(other, 0, 0.3).should == :gear
      end
    end

    describe "#motor" do
      it 'creates a new SimpleMotor and adds it to the space' do
        other = CircleActor.new @opts
        CP::Constraint::SimpleMotor.expects(:new).with(@physical.body, other.body, 40).returns(:motor)
        @stage.expects(:register_physical_constraint).with(:motor)
        @actor.motor(other, 40).should == :motor
      end
    end

    describe "#slide" do
      it 'creates the slide joint and adds it to the space' do
        other = CircleActor.new @opts
        v1 = vec2(2,3)
        v2 = vec2(4,5)
        min = 2.0
        max = 3.0
        CP::Constraint::SlideJoint.expects(:new).with(@physical.body, other.body, v1, v2, min, max).returns(:joint)

        @stage.expects(:register_physical_constraint).with(:joint)

        @actor.slide(v1, other, v2, min, max).should == :joint
      end
    end

  end
end