#-- copyright
# OpenProject is a project management system.
# Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# See doc/COPYRIGHT.rdoc for more details.
#++

require 'spec_helper'
require 'rack/test'

describe 'API v3 Work package resource', :type => :request do
  include Rack::Test::Methods
  include Capybara::RSpecMatchers

  let(:closed_status) { FactoryGirl.create(:closed_status) }

  let!(:timeline)    { FactoryGirl.create(:timeline,     project_id: project.id) }
  let!(:other_wp)    { FactoryGirl.create(:work_package, project_id: project.id,
    status: closed_status) }
  let(:work_package) { FactoryGirl.create(:work_package, project_id: project.id,
    description: description
  )}
  let(:description) {%{
{{>toc}}

h1. OpenProject Masterplan for 2015

h2. three point plan

# One ###{other_wp.id}
# Two
# Three

h3. random thoughts

h4. things we like

* Pointed
* Relaxed
* Debonaire

{{timeline(#{timeline.id})}}
  }}

  let(:project) { FactoryGirl.create(:project, :identifier => 'test_project', :is_public => false) }
  let(:role) { FactoryGirl.create(:role, permissions: [:view_work_packages, :view_timelines, :edit_work_packages]) }
  let(:current_user) { FactoryGirl.create(:user,  member_in_project: project, member_through_role: role) }
  let(:watcher) do
    FactoryGirl
      .create(:user,  member_in_project: project, member_through_role: role)
      .tap do |user|
        work_package.add_watcher(user)
      end
  end
  let(:unauthorize_user) { FactoryGirl.create(:user) }
  let(:type) { FactoryGirl.create(:type) }

  describe '#get' do
    let(:get_path) { "/api/v3/work_packages/#{work_package.id}" }
    let(:expected_response) do
      {
        "_type" => 'WorkPackage',
        "_links" => {
          "self" => {
            "href" => "http://localhost:3000/api/v3/work_packages/#{work_package.id}",
            "title" => work_package.subject
          }
        },
        "id" => work_package.id,
        "subject" => work_package.subject,
        "type" => work_package.type.name,
        "description" => work_package.description,
        "status" => work_package.status.name,
        "priority" => work_package.priority.name,
        "startDate" => work_package.start_date,
        "dueDate" => work_package.due_date,
        "estimatedTime" => JSON.parse({ units: 'hours', value: work_package.estimated_hours }.to_json),
        "percentageDone" => work_package.done_ratio,
        "versionId" => work_package.fixed_version_id,
        "versionName" => work_package.fixed_version.try(:name),
        "projectId" => work_package.project_id,
        "projectName" => work_package.project.name,
        "responsibleId" => work_package.responsible_id,
        "responsibleName" => work_package.responsible.try(:name),
        "responsibleLogin" => work_package.responsible.try(:login),
        "responsibleMail" => work_package.responsible.try(:mail),
        "assigneeId" => work_package.assigned_to_id,
        "assigneeName" => work_package.assigned_to.try(:name),
        "assigneeLogin" => work_package.assigned_to.try(:login),
        "assigneeMail" => work_package.assigned_to.try(:mail),
        "authorName" => work_package.author.name,
        "authorLogin" => work_package.author.login,
        "authorMail" => work_package.author.mail,
        "createdAt" => work_package.created_at.utc.iso8601,
        "updatedAt" => work_package.updated_at.utc.iso8601
      }
    end

    context 'when acting as a user with permission to view work package' do

      before(:each) do
        allow(User).to receive(:current).and_return current_user
        get get_path
      end

      it 'should respond with 200' do
        expect(last_response.status).to eq(200)
      end

      describe 'response body' do
        subject(:parsed_response) { JSON.parse(last_response.body) }

        it 'should respond with work package in HAL+JSON format' do
          expect(parsed_response['id']).to eq(work_package.id)
        end

        describe "['description']" do
          subject { super()['description'] }
          it { is_expected.to have_selector('h1') }
        end

        describe "['description']" do
          subject { super()['description'] }
          it { is_expected.to have_selector('h2') }
        end

        it 'should resolve links' do
          expect(parsed_response['description']).to have_selector("a[href='/work_packages/#{other_wp.id}']")
        end

        it 'should resolve simple macros' do
          expect(parsed_response['description']).to have_text('Table of Contents')
        end

        it 'should not resolve/show complex macros' do
          expect(parsed_response['description']).to have_text('Macro timeline cannot be displayed.')
        end
      end

      context 'requesting nonexistent work package' do
        let(:get_path) { "/api/v3/work_packages/909090" }

        it_behaves_like 'not found', 909090, 'WorkPackage'
      end
    end

    context 'when acting as an user without permission to view work package' do
      before(:each) do
        allow(User).to receive(:current).and_return unauthorize_user
        get get_path
      end

      it_behaves_like 'unauthorized access'
    end

    context 'when acting as an anonymous user' do
      before(:each) do
        allow(User).to receive(:current).and_return User.anonymous
        get get_path
      end

      it_behaves_like 'unauthorized access'
    end

  end

  # disabled the its below because the implementation was temporarily disabled
  describe '#patch' do
    let(:patch_path) { "/api/v3/work_packages/#{work_package.id}" }
    let(:valid_params) do
      {
        _type: 'WorkPackage',
        lockVersion: work_package.lock_version
      }
    end

    subject(:response) { last_response }

    shared_context 'patch request' do
      before(:each) do
        allow(User).to receive(:current).and_return current_user
        patch patch_path, params.to_json, { 'CONTENT_TYPE' => 'application/json' }
      end
    end

    context 'user without needed permissions' do
      let(:current_user) { FactoryGirl.create :user }
      let(:params) { valid_params }

      include_context 'patch request'

      it_behaves_like 'unauthorized access'
    end

    context 'user with needed permissions' do
      context 'parent id' do
        let(:parent) { FactoryGirl.create(:work_package, project: work_package.project) }
        let(:params) { valid_params.merge(parentId: parent.id) }

        before { allow(Setting).to receive(:cross_project_work_package_relations?).and_return(true) }

        context 'w/o permission' do
          include_context 'patch request'

          it { expect(response.status).to eq(403) }
        end

        context 'with permission' do
          before { role.add_permission!(:manage_subtasks) }

          include_context 'patch request'

          context 'invalid parent' do
            let(:invisible_parent) { FactoryGirl.create(:work_package) }
            let(:params) { valid_params.merge(parentId: invisible_parent.id) }

            it { expect(WorkPackage.visible(current_user).exists?(invisible_parent.id)).to be_falsey }

            it { expect(response.status).to eq(422) }
          end

          context 'empty id' do
            let(:params) { valid_params.merge( parentId: nil) }

            it { expect(response.status).to eq(200) }

            it { expect(subject.body).not_to have_json_path('parentId') }
          end

          context 'valid id' do
            let(:params) { valid_params.merge(parentId: parent.id) }

            it { expect(response.status).to eq(200) }

            it { expect(subject.body).to be_json_eql(parent.id.to_json).at_path('parentId') }
          end
        end
      end

      context 'subject' do
        let(:params) { valid_params.merge(subject: 'Updated subject') }

        include_context 'patch request'

        it { expect(response.status).to eq(200) }

        it 'should respond with updated work package subject' do
          expect(subject.body).to be_json_eql('Updated subject'.to_json).at_path('subject')
        end

      end

      describe 'update with read-only attributes' do
        include_context 'patch request'

        context 'single read-only attribute' do
          let(:params) { valid_params.merge(startDate: DateTime.now.utc.iso8601) }

          it_behaves_like 'read-only violation', 'startDate'
        end

        context 'multiple read-only attributes' do
          let(:params) do
            valid_params.merge(startDate: DateTime.now.utc.iso8601, dueDate: DateTime.now.utc.iso8601)
          end

          it_behaves_like 'multiple errors', 422, 'You must not write a read-only attribute'

          it_behaves_like 'multiple errors of the same type', 2, 'PropertyIsReadOnly'

          it_behaves_like 'multiple errors of the same type with details',
                          'attribute',
                          'attribute' => ['startDate', 'dueDate']
        end
      end

      context 'valid update' do
        xit 'should respond with updated work package priority' do
          expect(subject.body).to be_json_eql(params[:priority].to_json).at_path('priority')
        end

        xit 'should update the dates in iso8601 format' do
          expect(subject.body).to be_json_eql(params[:startDate].to_json).at_path('startDate')
          expect(subject.body).to be_json_eql(params[:dueDate].to_json).at_path('dueDate')
        end

        xit 'should allow html in raw description' do
          expect(subject.body).to be_json_eql('<h1>Updated description</h1>'.to_json).at_path('rawDescription')
        end

      end

      context 'invalid update' do
        context 'single invalid attribute' do
          let(:params) { valid_params.tap { |h| h[:subject] = '' } }

          include_context 'patch request'

          it_behaves_like 'constraint violation', "Subject can't be blank"
        end

        context 'multiple invalid attributes' do
          let(:invisible_parent) { FactoryGirl.create(:work_package) }
          let(:params) do
            valid_params.tap { |h| h[:subject] = '' }
                        .merge(parentId: invisible_parent.id)
          end

          before { role.add_permission!(:manage_subtasks) }

          include_context 'patch request'

          it_behaves_like 'multiple errors', 422, 'Multiple fields violated their constraints.'

          it_behaves_like 'multiple errors of the same type', 2, 'PropertyConstraintViolation'

          it_behaves_like 'multiple errors of the same type with messages', ['Subject can\'t be blank.', 'Parent does not exist.']
        end

        context 'missing lock version' do
          let(:params) { valid_params.except(:lockVersion) }

          include_context 'patch request'

          it_behaves_like 'update conflict'
        end

        context 'state object' do
          let(:params) { valid_params.merge(subject: 'Updated subject') }

          before do
            params

            work_package.subject = 'I am the first!'
            work_package.save!

            expect(valid_params[:lockVersion]).not_to eq(work_package.lock_version)
          end

          include_context 'patch request'

          it_behaves_like 'update conflict'
        end
      end
    end
  end
end