#-- 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 COPYRIGHT and LICENSE files for more details.
#++

require 'spec_helper'

describe ::API::V3::RootRepresenter do
  include ::API::V3::Utilities::PathHelper

  let(:user) { FactoryBot.build_stubbed(:user) }
  let(:representer) { described_class.new({}, current_user: user) }
  let(:app_title) { 'Foo Project' }
  let(:version) { 'The version is over 9000!' }
  let(:permissions) { [:view_members] }

  before do
    allow(user)
      .to receive(:allowed_to?) do |action, _project, options|
      permissions.include?(action) && options[:global] = true
    end
  end

  context 'generation' do
    subject { representer.to_json }

    before do
      allow(Setting).to receive(:app_title).and_return app_title
      allow(OpenProject::VERSION).to receive(:to_semver).and_return version
    end

    describe '_links' do
      it_behaves_like 'has an untitled link' do
        let(:link) { 'self' }
        let(:href) { api_v3_paths.root }
      end

      it_behaves_like 'has an untitled link' do
        let(:link) { 'configuration' }
        let(:href) { api_v3_paths.configuration }
      end

      describe 'memberships' do
        context 'if having the view_members permission in any project' do
          let(:permissions) { [:view_members] }

          it_behaves_like 'has an untitled link' do
            let(:link) { 'memberships' }
            let(:href) { api_v3_paths.memberships }
          end
        end

        context 'if having the manage_members permission in any project' do
          let(:permissions) { [:manage_members] }

          it_behaves_like 'has an untitled link' do
            let(:link) { 'memberships' }
            let(:href) { api_v3_paths.memberships }
          end
        end

        context 'if lacking permissions' do
          let(:permissions) { [] }

          it_behaves_like 'has no link' do
            let(:link) { 'members' }
          end
        end
      end

      it_behaves_like 'has an untitled link' do
        let(:link) { 'priorities' }
        let(:href) { api_v3_paths.priorities }
      end

      it_behaves_like 'has an untitled link' do
        let(:link) { 'statuses' }
        let(:href) { api_v3_paths.statuses }
      end

      it_behaves_like 'has an untitled link' do
        let(:link) { 'types' }
        let(:href) { api_v3_paths.types }
      end

      it_behaves_like 'has an untitled link' do
        let(:link) { 'workPackages' }
        let(:href) { api_v3_paths.work_packages }
      end

      it_behaves_like 'has a titled link' do
        let(:link) { 'user' }
        let(:href) { api_v3_paths.user(user.id) }
        let(:title) { user.name }
      end

      it_behaves_like 'has an untitled link' do
        let(:link) { 'userPreferences' }
        let(:href) { api_v3_paths.user_preferences(user.id) }
      end

      context 'anonymous user' do
        let(:representer) { described_class.new({}, current_user: User.anonymous) }

        it_behaves_like 'has no link' do
          let(:link) { 'user' }
        end

        it_behaves_like 'has an untitled link' do
          let(:link) { 'userPreferences' }
          let(:href) { api_v3_paths.user_preferences(User.anonymous.id) }
        end
      end
    end

    context 'attributes' do
      describe '_type' do
        it 'is "Root"' do
          is_expected
            .to be_json_eql('Root'.to_json)
            .at_path('_type')
        end
      end

      describe 'coreVersion' do
        context 'for a non admin user' do
          it 'has no coreVersion property' do
            is_expected
              .not_to have_json_path('coreVersion')
          end
        end

        context 'for an admin user' do
          let(:user) { FactoryBot.build_stubbed(:admin) }

          it 'indicates the OpenProject version number' do
            is_expected
              .to be_json_eql(version.to_json)
              .at_path('coreVersion')
          end
        end
      end

      describe 'instanceName' do
        it 'shows the name of the instance' do
          is_expected
            .to be_json_eql(app_title.to_json)
            .at_path('instanceName')
        end
      end
    end
  end
end