#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2021 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) 2006-2013 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 docs/COPYRIGHT.rdoc for more details.
#++

require 'spec_helper'

describe WorkPackages::BulkController, type: :controller do
  let(:user) { FactoryBot.create(:user) }
  let(:user2) { FactoryBot.create(:user) }
  let(:custom_field_value) { '125' }
  let(:custom_field_1) do
    FactoryBot.create(:work_package_custom_field,
                      field_format: 'string',
                      is_for_all: true)
  end
  let(:custom_field_2) { FactoryBot.create(:work_package_custom_field) }
  let(:custom_field_user) { FactoryBot.create(:user_issue_custom_field) }
  let(:status) { FactoryBot.create(:status) }
  let(:type) do
    FactoryBot.create(:type_standard,
                      custom_fields: [custom_field_1, custom_field_2, custom_field_user])
  end
  let(:project_1) do
    FactoryBot.create(:project,
                      types: [type],
                      work_package_custom_fields: [custom_field_2])
  end
  let(:project_2) do
    FactoryBot.create(:project,
                      types: [type])
  end
  let(:role) do
    FactoryBot.create(:role,
                      permissions: %i[edit_work_packages
                                      view_work_packages
                                      manage_subtasks
                                      assign_versions])
  end
  let(:member1_p1) do
    FactoryBot.create(:member,
                      project: project_1,
                      principal: user,
                      roles: [role])
  end
  let(:member2_p1) do
    FactoryBot.create(:member,
                      project: project_1,
                      principal: user2,
                      roles: [role])
  end
  let(:member1_p2) do
    FactoryBot.create(:member,
                      project: project_2,
                      principal: user,
                      roles: [role])
  end
  let(:work_package_1) do
    FactoryBot.create(:work_package,
                      author: user,
                      assigned_to: user,
                      responsible: user2,
                      type: type,
                      status: status,
                      custom_field_values: { custom_field_1.id => custom_field_value },
                      project: project_1)
  end
  let(:work_package_2) do
    FactoryBot.create(:work_package,
                      author: user,
                      assigned_to: user,
                      responsible: user2,
                      type: type,
                      status: status,
                      custom_field_values: { custom_field_1.id => custom_field_value },
                      project: project_1)
  end
  let(:work_package_3) do
    FactoryBot.create(:work_package,
                      author: user,
                      type: type,
                      status: status,
                      custom_field_values: { custom_field_1.id => custom_field_value },
                      project: project_2)
  end

  let(:stub_work_package) { FactoryBot.build_stubbed(:work_package) }

  before do
    custom_field_1
    member1_p1
    member2_p1

    allow(User).to receive(:current).and_return user
  end

  describe '#edit' do
    shared_examples_for :response do
      subject { response }

      it { is_expected.to be_successful }

      it { is_expected.to render_template('edit') }
    end

    context 'same project' do
      before { get :edit, params: { ids: [work_package_1.id, work_package_2.id] } }

      it_behaves_like :response

      describe '#view' do
        render_views

        subject { response }

        describe '#parent' do
          it { assert_select 'input', attributes: { name: 'work_package[parent_id]' } }
        end

        context 'custom_field' do
          describe '#type' do
            it { assert_select 'input', attributes: { name: "work_package[custom_field_values][#{custom_field_1.id}]" } }
          end

          describe '#project' do
            it { assert_select 'select', attributes: { name: "work_package[custom_field_values][#{custom_field_2.id}]" } }
          end

          describe '#user' do
            it { assert_select 'select', attributes: { name: "work_package[custom_field_values][#{custom_field_user.id}]" } }
          end
        end
      end
    end

    context 'different projects' do
      before do
        member1_p2

        get :edit, params: { ids: [work_package_1.id, work_package_2.id, work_package_3.id] }
      end

      it_behaves_like :response

      describe '#view' do
        render_views

        subject { response }

        describe '#parent' do
          it { assert_select 'input', { attributes: { name: 'work_package[parent_id]' } }, false }
        end

        context 'custom_field' do
          describe '#type' do
            it { assert_select 'input', attributes: { name: "work_package[custom_field_values][#{custom_field_1.id}]" } }
          end

          describe '#project' do
            it { assert_select 'select', { attributes: { name: "work_package[custom_field_values][#{custom_field_2.id}]" } }, false }
          end
        end
      end
    end
  end

  describe '#update' do
    let(:work_package_ids) { [work_package_1.id, work_package_2.id] }
    let(:work_packages) { WorkPackage.where(id: work_package_ids) }
    let(:priority) { FactoryBot.create(:priority_immediate) }
    let(:group_id) { '' }
    let(:responsible_id) { '' }

    describe '#redirect' do
      context 'in host' do
        let(:url) { '/work_packages' }

        before { put :update, params: { ids: work_package_ids, back_url: url } }

        subject { response }

        it { is_expected.to be_redirect }

        it { is_expected.to redirect_to(url) }
      end

      context 'of host' do
        let(:url) { 'http://google.com' }

        before { put :update, params: { ids: work_package_ids, back_url: url } }

        subject { response }

        it { is_expected.to be_redirect }

        it { is_expected.to redirect_to(project_work_packages_path(project_1)) }
      end
    end

    context 'when updating two work packages with differing whitelisted params' do
      let!(:work_package_ids) { [work_package_1.id, work_package_3.id] }

      let!(:role_with_permission_to_add_watchers) { FactoryBot.create(:role, permissions: role.permissions + [:add_work_package_watchers]) }
      let!(:other_user) { FactoryBot.create :user }

      let!(:other_member_1) do
        FactoryBot.create(:member,
                          project: project_1,
                          principal: other_user,
                          roles: [role_with_permission_to_add_watchers])
      end
      let!(:other_member_2) do
        FactoryBot.create(:member,
                          project: project_2,
                          principal: other_user,
                          roles: [role])
      end

      let(:description) { 'Text' }
      let(:work_package_params) do
        { description: description, watcher_user_ids: [user.id] }
      end

      before do
        # create user memberships to allow the user to watch work packages
        member1_p1
        member1_p2
        # let other_user perform the bulk update
        allow(User).to receive(:current).and_return other_user
        put :update, params: { ids: work_package_ids, work_package: work_package_params }
      end

      it 'updates the description if whitelisted' do
        expect(work_package_1.reload.description).to eq(description)
        expect(work_package_3.reload.description).to eq(description)
      end

      it 'updates the watchers if the watcher user ids are whitelisted' do
        expect(work_package_1.reload.watcher_users).to include user
      end

      it 'does not update the watchers if the watcher user ids are not whitelisted' do
        expect(work_package_3.reload.watcher_users).not_to include user
      end
    end

    shared_context 'update_request' do
      before do
        put :update,
            params: {
              ids: work_package_ids,
              notes: 'Bulk editing',
              work_package: { priority_id: priority.id,
                              assigned_to_id: group_id,
                              responsible_id: responsible_id,
                              send_notification: send_notification }
            }
      end
    end

    shared_examples_for :delivered do
      subject { ActionMailer::Base.deliveries.size }

      it { delivery_size }
    end

    context 'with notification' do
      let(:send_notification) { '1' }
      let(:delivery_size) { 2 }

      shared_examples_for 'updated work package' do
        describe '#priority' do
          subject { WorkPackage.where(priority_id: priority.id).map(&:id) }

          it { is_expected.to match_array(work_package_ids) }
        end

        describe '#custom_fields' do
          let(:result) { [custom_field_value] }

          subject do
            WorkPackage.where(id: work_package_ids)
              .map { |w| w.custom_value_for(custom_field_1.id).value }
              .uniq
          end

          it { is_expected.to match_array(result) }
        end

        describe '#journal' do
          describe '#notes' do
            let(:result) { ['Bulk editing'] }

            subject do
              WorkPackage.where(id: work_package_ids)
                .map { |w| w.last_journal.notes }
                .uniq
            end

            it { is_expected.to match_array(result) }
          end

          describe '#details' do
            let(:result) { [1] }

            subject do
              WorkPackage.where(id: work_package_ids)
                .map { |w| w.last_journal.details.size }
                .uniq
            end

            it { is_expected.to match_array(result) }
          end
        end
      end

      context 'single project' do
        include_context 'update_request'

        it { expect(response.response_code).to eq(302) }

        it_behaves_like :delivered

        it_behaves_like 'updated work package'
      end

      context 'different projects' do
        let(:work_package_ids) { [work_package_1.id, work_package_2.id, work_package_3.id] }

        context 'with permission' do
          before { member1_p2 }

          include_context 'update_request'

          it { expect(response.response_code).to eq(302) }

          it_behaves_like :delivered

          it_behaves_like 'updated work package'
        end

        context 'w/o permission' do
          include_context 'update_request'

          it { expect(response.response_code).to eq(403) }

          describe '#journal' do
            subject { Journal.count }

            it { is_expected.to eq(work_package_ids.count) }
          end
        end
      end

      describe '#properties' do
        describe '#groups' do
          let(:group) { FactoryBot.create(:group) }
          let(:group_id) { group.id }
          subject { work_packages.map(&:assigned_to_id).uniq }

          context 'allowed' do
            let!(:member_group_p1) do
              FactoryBot.create(:member,
                                project: project_1,
                                principal: group,
                                roles: [role])
            end

            include_context 'update_request'
            it 'does succeed' do
              expect(flash[:error]).to be_nil
              expect(subject).to match_array [group.id]
            end
          end

          context 'not allowed' do
            include_context 'update_request'

            it 'does not succeed' do
              expect(assigns[:bulk_errors].keys).to match_array(work_package_ids)
              expect(subject).to match_array [user.id]
            end
          end
        end

        describe '#responsible' do
          let(:responsible_id) { user.id }

          include_context 'update_request'

          subject { work_packages.map(&:responsible_id).uniq }

          it { is_expected.to match_array [responsible_id] }
        end

        describe '#status' do
          let(:closed_status) { FactoryBot.create(:closed_status) }
          let(:workflow) do
            FactoryBot.create(:workflow,
                              role: role,
                              type_id: type.id,
                              old_status: status,
                              new_status: closed_status)
          end

          before do
            workflow

            put :update,
                params: {
                  ids: work_package_ids,
                  work_package: { status_id: closed_status.id }
                }
          end

          subject { work_packages.map(&:status_id).uniq }

          it { is_expected.to match_array [closed_status.id] }
        end

        describe '#parent' do
          let(:parent) do
            FactoryBot.create(:work_package,
                              author: user,
                              project: project_1)
          end

          before do
            put :update,
                params: {
                  ids: work_package_ids,
                  work_package: { parent_id: parent.id }
                }
          end

          subject { work_packages.map(&:parent_id).uniq }

          it { is_expected.to match_array [parent.id] }
        end

        describe '#custom_fields' do
          let(:result) { '777' }

          before do
            put :update,
                params: {
                  ids: work_package_ids,
                  work_package: {
                    custom_field_values: { custom_field_1.id.to_s => result }
                  }
                }
          end

          subject do
            work_packages.map { |w| w.custom_value_for(custom_field_1.id).value }
                         .uniq
          end

          it { is_expected.to match_array [result] }
        end

        describe '#unassign' do
          before do
            put :update,
                params: {
                  ids: work_package_ids,
                  work_package: { assigned_to_id: 'none' }
                }
          end

          subject { work_packages.map(&:assigned_to_id).uniq }

          it { is_expected.to match_array [nil] }
        end

        describe '#delete_responsible' do
          before do
            put :update,
                params: {
                  ids: work_package_ids,
                  work_package: { responsible_id: 'none' }
                }
          end

          subject { work_packages.map(&:responsible_id).uniq }

          it { is_expected.to match_array [nil] }
        end

        describe '#version' do
          describe 'set version_id attribute to some version' do
            let(:version) do
              FactoryBot.create(:version,
                                status: 'open',
                                sharing: 'tree',
                                project: subproject)
            end
            let(:subproject) do
              FactoryBot.create(:project,
                                parent: project_1,
                                types: [type])
            end

            before do
              put :update,
                  params: {
                    ids: work_package_ids,
                    work_package: { version_id: version.id.to_s }
                  }
            end

            subject { response }

            it { is_expected.to be_redirect }

            describe '#work_package' do
              describe '#version' do
                subject { work_packages.map(&:version_id).uniq }

                it { is_expected.to match_array [version.id] }
              end

              describe '#project' do
                subject { work_packages.map(&:project_id).uniq }

                it { is_expected.not_to match_array [subproject.id] }
              end
            end
          end
          describe 'set version_id to nil' do
            before do
              # 'none' is a magic value, setting version_id to nil
              # will make the controller ignore that param
              put :update,
                  params: {
                    ids: work_package_ids,
                    work_package: { version_id: 'none' }
                  }
            end
            describe '#work_package' do
              describe '#version' do
                subject { work_packages.map(&:version_id).uniq }

                it { is_expected.to eq([nil]) }
              end
            end
          end
        end
      end
    end

    context 'w/o notification' do
      let(:send_notification) { '0' }

      describe '#delivery' do
        include_context 'update_request'

        it { expect(response.response_code).to eq(302) }

        let(:delivery_size) { 0 }

        it_behaves_like :delivered
      end
    end

    describe 'updating two children with dates to a new parent (Regression #28670)' do
      let(:task1) do
        FactoryBot.create :work_package,
                          project: project_1,
                          start_date: Date.today - 5.days,
                          due_date: Date.today
      end

      let(:task2) do
        FactoryBot.create :work_package,
                          project: project_1,
                          start_date: Date.today - 2.days,
                          due_date: Date.today + 1.days
      end

      let(:new_parent) do
        FactoryBot.create :work_package, project: project_1
      end

      before do
        expect(new_parent.start_date).to be_nil
        expect(new_parent.due_date).to be_nil

        put :update,
            params: {
              ids: [task1.id, task2.id],
              notes: 'Bulk editing',
              work_package: { parent_id: new_parent.id }
            }
      end

      it 'should update the parent dates as well' do
        expect(response.response_code).to eq(302)

        task1.reload
        task2.reload
        new_parent.reload

        expect(task1.parent_id).to eq(new_parent.id)
        expect(task2.parent_id).to eq(new_parent.id)

        expect(new_parent.start_date).to eq Date.today - 5.days
        expect(new_parent.due_date).to eq Date.today + 1.days
      end
    end
  end

  describe '#destroy' do
    let(:params) { { 'ids' => '1', 'to_do' => 'blubs' } }
    let(:service) { double('destroy wp service') }

    before do
      expect(controller).to receive(:find_work_packages) do
        controller.instance_variable_set(:@work_packages, [stub_work_package])
      end

      expect(controller).to receive(:authorize)
    end

    describe 'w/ the cleanup being successful' do
      before do
        expect(stub_work_package).to receive(:reload).and_return(stub_work_package)

        allow(WorkPackages::DeleteService)
          .to receive(:new)
          .with(user: user, model: stub_work_package)
          .and_return(service)

        expect(service)
          .to receive(:call)

        expect(WorkPackage)
          .to receive(:cleanup_associated_before_destructing_if_required)
          .with([stub_work_package], user, params['to_do']).and_return true

        as_logged_in_user(user) do
          delete :destroy, params: params
        end
      end

      it 'should redirect to the project' do
        expect(response).to redirect_to(project_work_packages_path(stub_work_package.project))
      end
    end

    describe 'w/o the cleanup being successful' do
      before do
        expect(WorkPackage).to receive(:cleanup_associated_before_destructing_if_required).with([stub_work_package], user, params['to_do']).and_return false

        as_logged_in_user(user) do
          delete :destroy, params: params
        end
      end

      it 'should redirect to the project' do
        expect(response).to render_template('destroy')
      end
    end
  end
end