#   Copyright (c) 2010, Diaspora Inc.  This file is
#   licensed under the Affero General Public License version 3 or later.  See
#   the COPYRIGHT file.

require 'spec_helper'

describe LikesController do
  before do
    @user1 = alice
    @user2 = bob

    @aspect1 = @user1.aspects.first
    @aspect2 = @user2.aspects.first

    sign_in :user, @user1
  end

  describe '#create' do
    let(:like_hash) {
      {:positive => 1,
       :status_message_id => "#{@post.id}"}
    }
    let(:dislike_hash) {
      {:positive => 0,
       :status_message_id => "#{@post.id}"}
    }

    context "on my own post" do
      before do
        @post = @user1.post :status_message, :text => "AWESOME", :to => @aspect1.id
      end

      it 'responds to format js' do
        post :create, like_hash.merge(:format => 'js')
        response.code.should == '201'
      end
    end

    context "on a post from a contact" do
      before do
        @post = @user2.post :status_message, :text => "AWESOME", :to => @aspect2.id
      end

      it 'likes' do
        post :create, like_hash
        response.code.should == '201'
      end

      it 'dislikes' do
        post :create, dislike_hash
        response.code.should == '201'
      end

      it "doesn't post multiple times" do
        @user1.like(1, :post => @post)
        post :create, dislike_hash
        response.code.should == '422'
      end
    end

    context "on a post from a stranger" do
      before do
        @post = eve.post :status_message, :text => "AWESOME", :to => eve.aspects.first.id
      end

      it "doesn't post" do
        @user1.should_not_receive(:like)
        post :create, like_hash
        response.code.should == '422'
      end
    end
  end

  describe '#index' do
    before do
      @message = alice.post(:status_message, :text => "hey", :to => @aspect1.id)
    end
    it 'returns a 404 for a post not visible to the user' do
      sign_in eve
      get :index, :status_message_id => @message.id
    end

    it 'returns an array of likes for a post' do
      like = bob.build_like(:positive => true, :post => @message)
      like.save!

      get :index, :status_message_id => @message.id
      assigns[:likes].map(&:id).should == @message.likes.map(&:id)
    end

    it 'returns an empty array for a post with no likes' do
      get :index, :status_message_id => @message.id
      assigns[:likes].should == []
    end
  end

  describe '#destroy' do
    before do
      @message = bob.post(:status_message, :text => "hey", :to => @aspect1.id)
      @like = alice.build_like(:positive => true, :post => @message)
      @like.save
    end

    it 'lets a user destroy their like' do
      expect {
        delete :destroy, :format => "js", :status_message_id => @like.post_id, :id => @like.id
      }.should change(Like, :count).by(-1)
      response.status.should == 200
    end

    it 'does not let a user destroy other likes' do
      like2 = eve.build_like(:positive => true, :post => @message)
      like2.save

      expect {
        delete :destroy, :format => "js", :status_message_id => like2.post_id, :id => like2.id
      }.should_not change(Like, :count)

      response.status.should == 403
    end
  end
end