# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Groups::RunnersController do
  let_it_be(:user)   { create(:user) }
  let_it_be(:group)  { create(:group) }
  let_it_be(:project) { create(:project, group: group) }

  let!(:runner) { create(:ci_runner, :group, groups: [group]) }
  let!(:runner_project) { create(:ci_runner, :project, projects: [project]) }

  let(:params_runner_project) { { group_id: group, id: runner_project } }
  let(:params) { { group_id: group, id: runner } }

  before do
    sign_in(user)
  end

  describe '#index' do
    context 'when user is owner' do
      before do
        group.add_owner(user)
      end

      it 'renders show with 200 status code' do
        get :index, params: { group_id: group }

        expect(response).to have_gitlab_http_status(:ok)
        expect(response).to render_template(:index)
        expect(assigns(:group_runners_limited_count)).to be(2)
      end
    end

    context 'when user is not owner' do
      before do
        group.add_maintainer(user)
      end

      it 'renders a 404' do
        get :index, params: { group_id: group }

        expect(response).to have_gitlab_http_status(:not_found)
      end
    end
  end

  describe '#show' do
    context 'when user is owner' do
      before do
        group.add_owner(user)
      end

      it 'renders show with 200 status code' do
        get :show, params: { group_id: group, id: runner }

        expect(response).to have_gitlab_http_status(:ok)
        expect(response).to render_template(:show)
      end

      it 'renders show with 200 status code project runner' do
        get :show, params: { group_id: group, id: runner_project }

        expect(response).to have_gitlab_http_status(:ok)
        expect(response).to render_template(:show)
      end
    end

    context 'when user is not owner' do
      before do
        group.add_maintainer(user)
      end

      it 'renders a 404' do
        get :show, params: { group_id: group, id: runner }

        expect(response).to have_gitlab_http_status(:not_found)
      end

      it 'renders a 404 project runner' do
        get :show, params: { group_id: group, id: runner_project }

        expect(response).to have_gitlab_http_status(:not_found)
      end
    end
  end

  describe '#edit' do
    context 'when user is owner' do
      before do
        group.add_owner(user)
      end

      it 'renders show with 200 status code' do
        get :edit, params: { group_id: group, id: runner }

        expect(response).to have_gitlab_http_status(:ok)
        expect(response).to render_template(:edit)
      end

      it 'renders show with 200 status code project runner' do
        get :edit, params: { group_id: group, id: runner_project }

        expect(response).to have_gitlab_http_status(:ok)
        expect(response).to render_template(:edit)
      end
    end

    context 'when user is not owner' do
      before do
        group.add_maintainer(user)
      end

      it 'renders a 404' do
        get :edit, params: { group_id: group, id: runner }

        expect(response).to have_gitlab_http_status(:not_found)
      end

      it 'renders a 404 project runner' do
        get :edit, params: { group_id: group, id: runner_project }

        expect(response).to have_gitlab_http_status(:not_found)
      end
    end
  end

  describe '#update' do
    context 'when user is an owner' do
      before do
        group.add_owner(user)
      end

      it 'updates the runner, ticks the queue, and redirects' do
        new_desc = runner.description.swapcase

        expect do
          post :update, params: params.merge(runner: { description: new_desc } )
        end.to change { runner.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:found)
        expect(runner.reload.description).to eq(new_desc)
      end

      it 'updates the project runner, ticks the queue, and redirects project runner' do
        new_desc = runner_project.description.swapcase

        expect do
          post :update, params: params_runner_project.merge(runner: { description: new_desc } )
        end.to change { runner_project.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:found)
        expect(runner_project.reload.description).to eq(new_desc)
      end
    end

    context 'when user is not an owner' do
      before do
        group.add_maintainer(user)
      end

      it 'rejects the update and responds 404' do
        old_desc = runner.description

        expect do
          post :update, params: params.merge(runner: { description: old_desc.swapcase } )
        end.not_to change { runner.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:not_found)
        expect(runner.reload.description).to eq(old_desc)
      end

      it 'rejects the update and responds 404 project runner' do
        old_desc = runner_project.description

        expect do
          post :update, params: params_runner_project.merge(runner: { description: old_desc.swapcase } )
        end.not_to change { runner_project.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:not_found)
        expect(runner_project.reload.description).to eq(old_desc)
      end
    end
  end

  describe '#destroy' do
    context 'when user is an owner' do
      before do
        group.add_owner(user)
      end

      it 'destroys the runner and redirects' do
        expect_next_instance_of(Ci::Runners::UnregisterRunnerService, runner, user) do |service|
          expect(service).to receive(:execute).once.and_call_original
        end

        delete :destroy, params: params

        expect(response).to have_gitlab_http_status(:found)
        expect(Ci::Runner.find_by(id: runner.id)).to be_nil
      end

      it 'destroys the project runner and redirects' do
        delete :destroy, params: params_runner_project

        expect(response).to have_gitlab_http_status(:found)
        expect(Ci::Runner.find_by(id: runner_project.id)).to be_nil
      end
    end

    context 'with runner associated with multiple projects' do
      let_it_be(:project_2) { create(:project, group: group) }

      let(:runner_project_2) { create(:ci_runner, :project, projects: [project, project_2]) }
      let(:params_runner_project_2) { { group_id: group, id: runner_project_2 } }

      context 'when user is an admin', :enable_admin_mode do
        let(:user) { create(:user, :admin) }

        before do
          sign_in(user)
        end

        it 'destroys the project runner and redirects' do
          delete :destroy, params: params_runner_project_2

          expect(response).to have_gitlab_http_status(:found)
          expect(Ci::Runner.find_by(id: runner_project_2.id)).to be_nil
        end
      end

      context 'when user is an owner' do
        before do
          group.add_owner(user)
        end

        it 'does not destroy the project runner' do
          delete :destroy, params: params_runner_project_2

          expect(response).to have_gitlab_http_status(:found)
          expect(flash[:alert]).to eq('Runner cannot be deleted, please contact your administrator.')
          expect(Ci::Runner.find_by(id: runner_project_2.id)).to be_present
        end
      end
    end

    context 'when user is not an owner' do
      before do
        group.add_maintainer(user)
      end

      it 'responds 404 and does not destroy the runner' do
        delete :destroy, params: params

        expect(response).to have_gitlab_http_status(:not_found)
        expect(Ci::Runner.find_by(id: runner.id)).to be_present
      end

      it 'responds 404 and does not destroy the project runner' do
        delete :destroy, params: params_runner_project

        expect(response).to have_gitlab_http_status(:not_found)
        expect(Ci::Runner.find_by(id: runner_project.id)).to be_present
      end
    end
  end

  describe '#resume' do
    context 'when user is an owner' do
      before do
        group.add_owner(user)
      end

      it 'marks the runner as active, ticks the queue, and redirects' do
        runner.update!(active: false)

        expect do
          post :resume, params: params
        end.to change { runner.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:found)
        expect(runner.reload.active).to eq(true)
      end

      it 'marks the project runner as active, ticks the queue, and redirects' do
        runner_project.update!(active: false)

        expect do
          post :resume, params: params_runner_project
        end.to change { runner_project.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:found)
        expect(runner_project.reload.active).to eq(true)
      end
    end

    context 'when user is not an owner' do
      before do
        group.add_maintainer(user)
      end

      it 'responds 404 and does not activate the runner' do
        runner.update!(active: false)

        expect do
          post :resume, params: params
        end.not_to change { runner.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:not_found)
        expect(runner.reload.active).to eq(false)
      end

      it 'responds 404 and does not activate the project runner' do
        runner_project.update!(active: false)

        expect do
          post :resume, params: params_runner_project
        end.not_to change { runner_project.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:not_found)
        expect(runner_project.reload.active).to eq(false)
      end
    end
  end

  describe '#pause' do
    context 'when user is an owner' do
      before do
        group.add_owner(user)
      end

      it 'marks the runner as inactive, ticks the queue, and redirects' do
        runner.update!(active: true)

        expect do
          post :pause, params: params
        end.to change { runner.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:found)
        expect(runner.reload.active).to eq(false)
      end

      it 'marks the project runner as inactive, ticks the queue, and redirects' do
        runner_project.update!(active: true)

        expect do
          post :pause, params: params_runner_project
        end.to change { runner_project.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:found)
        expect(runner_project.reload.active).to eq(false)
      end
    end

    context 'when user is not an owner' do
      before do
        # Disable limit checking
        allow(runner).to receive(:runner_scope).and_return(nil)

        group.add_maintainer(user)
      end

      it 'responds 404 and does not update the runner or queue' do
        runner.update!(active: true)

        expect do
          post :pause, params: params
        end.not_to change { runner.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:not_found)
        expect(runner.reload.active).to eq(true)
      end

      it 'responds 404 and does not update the project runner or queue' do
        runner_project.update!(active: true)

        expect do
          post :pause, params: params
        end.not_to change { runner_project.ensure_runner_queue_value }

        expect(response).to have_gitlab_http_status(:not_found)
        expect(runner_project.reload.active).to eq(true)
      end
    end
  end
end