#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2020 the OpenProject GmbH
#
# 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) 2006-2017 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 docs/COPYRIGHT.rdoc for more details.
#++

require 'spec_helper'

describe WorkPackage::Ancestors, type: :model do
  let(:user) { FactoryBot.create(:user) }
  let(:project) { FactoryBot.create :project }
  let(:project2) { FactoryBot.create :project }

  let!(:root_work_package) do
    FactoryBot.create :work_package,
                       project: project
  end

  let!(:intermediate) do
    FactoryBot.create :work_package,
                       parent: root_work_package,
                       project: project
  end
  let!(:intermediate_project2) do
    FactoryBot.create :work_package,
                       parent: root_work_package,
                       project: project2
  end
  let!(:leaf) do
    FactoryBot.create :work_package,
                       parent: intermediate,
                       project: project
  end
  let!(:leaf_project2) do
    FactoryBot.create :work_package,
                       parent: intermediate_project2,
                       project: project
  end

  let(:view_role) do
    FactoryBot.build(:role,
                      permissions: [:view_work_packages])
  end

  let(:none_role) do
    FactoryBot.build(:role,
                      permissions: [])
  end

  let(:leaf_ids) { [leaf.id, leaf_project2.id] }
  let(:intermediate_ids) { [intermediate.id, intermediate_project2.id] }

  subject { ::WorkPackage.aggregate_ancestors(ids, user) }

  before do
    allow(Setting).to receive(:cross_project_work_package_relations?).and_return(true)
    login_as(user)
  end

  context 'with permission in the first project' do
    before do
      FactoryBot.create :member,
                         user: user,
                         project: project,
                         roles: [view_role]
    end

    describe 'fetching from db' do
      it 'returns the same results' do
        expect(leaf.visible_ancestors(user)).to eq([root_work_package, intermediate])
      end
    end

    describe 'leaf ids' do
      let(:ids) { leaf_ids }

      it 'returns ancestors for the leaf in project 1' do
        expect(subject).to be_kind_of(Hash)
        expect(subject.keys.length).to eq(2)

        expect(subject[leaf.id]).to eq([root_work_package, intermediate])
        expect(subject[leaf_project2.id]).to eq([root_work_package])
      end
    end

    describe 'intermediate ids' do
      let(:ids) { intermediate_ids }

      it 'returns all ancestors in project 1' do
        expect(subject).to be_kind_of(Hash)
        expect(subject.keys.length).to eq(2)

        expect(subject[intermediate.id]).to eq([root_work_package])
        expect(subject[intermediate_project2.id]).to eq([root_work_package])
      end
    end

    context 'and permission in second project' do
      before do
        FactoryBot.create :member,
                           user: user,
                           project: project2,
                           roles: [view_role]
      end

      describe 'leaf ids' do
        let(:ids) { leaf_ids }

        it 'returns all ancestors' do
          expect(subject).to be_kind_of(Hash)
          expect(subject.keys.length).to eq(2)

          expect(subject[leaf.id]).to eq([root_work_package, intermediate])
          expect(subject[leaf_project2.id]).to eq([root_work_package, intermediate_project2])
        end
      end
    end
  end

  context 'no permissions' do
    before do
      FactoryBot.create :member,
                         user: user,
                         project: project,
                         roles: [none_role]
    end

    describe 'leaf ids' do
      let(:ids) { leaf_ids }

      it 'returns no results for all ids' do
        expect(subject).to be_kind_of(Hash)
        expect(subject.keys.length).to eq(0)
      end
    end
  end
end