require 'spec_helper'

describe Projects::PagesDomainsController do
  let(:user) { create(:user) }
  let(:project) { create(:project) }
  let!(:pages_domain) { create(:pages_domain, project: project) }

  let(:request_params) do
    {
      namespace_id: project.namespace,
      project_id: project
    }
  end

  let(:pages_domain_params) do
    build(:pages_domain, domain: 'my.otherdomain.com').slice(:key, :certificate, :domain)
  end

  before do
    allow(Gitlab.config.pages).to receive(:enabled).and_return(true)
    sign_in(user)
    project.add_maintainer(user)
  end

  describe 'GET show' do
    it "displays the 'show' page" do
      get(:show, request_params.merge(id: pages_domain.domain))

      expect(response).to have_gitlab_http_status(200)
      expect(response).to render_template('show')
    end
  end

  describe 'GET new' do
    it "displays the 'new' page" do
      get(:new, request_params)

      expect(response).to have_gitlab_http_status(200)
      expect(response).to render_template('new')
    end
  end

  describe 'POST create' do
    it "creates a new pages domain" do
      expect do
        post(:create, request_params.merge(pages_domain: pages_domain_params))
      end.to change { PagesDomain.count }.by(1)

      created_domain = PagesDomain.reorder(:id).last

      expect(created_domain).to be_present
      expect(response).to redirect_to(project_pages_domain_path(project, created_domain))
    end
  end

  describe 'GET edit' do
    it "displays the 'edit' page" do
      get(:edit, request_params.merge(id: pages_domain.domain))

      expect(response).to have_gitlab_http_status(200)
      expect(response).to render_template('edit')
    end
  end

  describe 'PATCH update' do
    before do
      controller.instance_variable_set(:@domain, pages_domain)
    end

    let(:pages_domain_params) do
      attributes_for(:pages_domain).slice(:key, :certificate)
    end

    let(:params) do
      request_params.merge(id: pages_domain.domain, pages_domain: pages_domain_params)
    end

    it 'updates the domain' do
      expect(pages_domain)
        .to receive(:update)
        .with(pages_domain_params)
        .and_return(true)

      patch(:update, params)
    end

    it 'redirects to the project page' do
      patch(:update, params)

      expect(flash[:notice]).to eq 'Domain was updated'
      expect(response).to redirect_to(project_pages_path(project))
    end

    context 'the domain is invalid' do
      it 'renders the edit action' do
        allow(pages_domain).to receive(:update).and_return(false)

        patch(:update, params)

        expect(response).to render_template('edit')
      end
    end

    context 'the parameters include the domain' do
      it 'renders 400 Bad Request' do
        expect(pages_domain)
          .to receive(:update)
          .with(hash_not_including(:domain))
          .and_return(true)

        patch(:update, params.deep_merge(pages_domain: { domain: 'abc' }))
      end
    end
  end

  describe 'POST verify' do
    let(:params) { request_params.merge(id: pages_domain.domain) }

    def stub_service
      service = double(:service)

      expect(VerifyPagesDomainService).to receive(:new) { service }

      service
    end

    it 'handles verification success' do
      expect(stub_service).to receive(:execute).and_return(status: :success)

      post :verify, params

      expect(response).to redirect_to project_pages_domain_path(project, pages_domain)
      expect(flash[:notice]).to eq('Successfully verified domain ownership')
    end

    it 'handles verification failure' do
      expect(stub_service).to receive(:execute).and_return(status: :failed)

      post :verify, params

      expect(response).to redirect_to project_pages_domain_path(project, pages_domain)
      expect(flash[:alert]).to eq('Failed to verify domain ownership')
    end

    it 'returns a 404 response for an unknown domain' do
      post :verify, request_params.merge(id: 'unknown-domain')

      expect(response).to have_gitlab_http_status(404)
    end
  end

  describe 'DELETE destroy' do
    it "deletes the pages domain" do
      expect do
        delete(:destroy, request_params.merge(id: pages_domain.domain))
      end.to change { PagesDomain.count }.by(-1)

      expect(response).to redirect_to(project_pages_path(project))
    end
  end

  context 'pages disabled' do
    before do
      allow(Gitlab.config.pages).to receive(:enabled).and_return(false)
    end

    describe 'GET show' do
      it 'returns 404 status' do
        get(:show, request_params.merge(id: pages_domain.domain))

        expect(response).to have_gitlab_http_status(404)
      end
    end

    describe 'GET new' do
      it 'returns 404 status' do
        get :new, request_params

        expect(response).to have_gitlab_http_status(404)
      end
    end

    describe 'POST create' do
      it "returns 404 status" do
        post(:create, request_params.merge(pages_domain: pages_domain_params))

        expect(response).to have_gitlab_http_status(404)
      end
    end

    describe 'DELETE destroy' do
      it "deletes the pages domain" do
        delete(:destroy, request_params.merge(id: pages_domain.domain))

        expect(response).to have_gitlab_http_status(404)
      end
    end
  end
end
