describe AppsController, type: 'controller' do
  it_requires_authentication
  it_requires_admin_privileges for: { new: :get, edit: :get, create: :post, update: :put, destroy: :delete }

  let(:admin) { Fabricate(:admin) }
  let(:user) { Fabricate(:user) }
  let(:watcher) { Fabricate(:user_watcher, app: app, user: user) }
  let(:unwatched_app) { Fabricate(:app) }
  let(:app) { unwatched_app }
  let(:watched_app1) do
    a = Fabricate(:app)
    Fabricate(:user_watcher, user: user, app: a)
    a
  end
  let(:watched_app2) do
    a = Fabricate(:app)
    Fabricate(:user_watcher, user: user, app: a)
    a
  end
  let(:err) do
    Fabricate(:err, problem: problem)
  end
  let(:notice) do
    Fabricate(:notice, err: err)
  end
  let(:problem) do
    Fabricate(:problem, app: app)
  end
  let(:problem_resolved) { Fabricate(:problem_resolved, app: app) }

  describe "GET /apps" do
    context 'when logged in as an admin' do
      it 'finds all apps' do
        sign_in admin
        unwatched_app && watched_app1 && watched_app2
        get :index
        expect(controller.apps.entries).to eq App.all.sort.entries
      end
    end

    context 'when logged in as a regular user' do
      it 'finds all apps' do
        sign_in user
        unwatched_app && watched_app1 && watched_app2
        get :index
        expect(controller.apps.entries).to eq App.all.sort.entries
      end
    end
  end

  describe "GET /apps/:id" do
    context 'logged in as an admin' do
      before(:each) do
        sign_in admin
      end

      it 'finds the app' do
        get :show, id: app.id
        expect(controller.app).to eq app
      end

      it "should not raise errors for app with err without notices" do
        err
        expect { get :show, id: app.id }.to_not raise_error
      end

      it "should list atom feed successfully" do
        get :show, id: app.id, format: "atom"
        expect(response).to be_success
      end

      it "should list available watchers by name" do
        Fabricate(:user, name: "Carol")
        Fabricate(:user, name: "Alice")
        Fabricate(:user, name: "Betty")

        get :show, id: app.id

        expect(controller.users.to_a).to eq(User.all.to_a.sort_by(&:name))
      end

      context "pagination" do
        before(:each) do
          35.times { Fabricate(:err, problem: Fabricate(:problem, app: app)) }
        end

        it "should have default per_page value for user" do
          get :show, id: app.id
          expect(controller.problems.to_a.size).to eq User::PER_PAGE
        end

        it "should be able to override default per_page value" do
          admin.update_attribute :per_page, 10
          get :show, id: app.id
          expect(controller.problems.to_a.size).to eq 10
        end
      end

      context 'with resolved errors' do
        before(:each) do
          problem_resolved && problem
        end

        context 'and no params' do
          it 'shows only unresolved problems' do
            get :show, id: app.id
            expect(controller.problems.size).to eq 1
          end
        end

        context 'and all_problems=true params' do
          it 'shows all errors' do
            get :show, id: app.id, all_errs: true
            expect(controller.problems.size).to eq 2
          end
        end
      end

      context 'with environment filters' do
        before(:each) do
          environments = %w(production test development staging)
          20.times do |i|
            Fabricate(:problem, app: app, environment: environments[i % environments.length])
          end
        end

        context 'no params' do
          it 'shows errs for all environments' do
            get :show, id: app.id
            expect(controller.problems.size).to eq 20
          end
        end

        context 'environment production' do
          it 'shows errs for just production' do
            get :show, id: app.id, environment: 'production'
            expect(controller.problems.size).to eq 5
          end
        end

        context 'environment staging' do
          it 'shows errs for just staging' do
            get :show, id: app.id, environment: 'staging'
            expect(controller.problems.size).to eq 5
          end
        end

        context 'environment development' do
          it 'shows errs for just development' do
            get :show, id: app.id, environment: 'development'
            expect(controller.problems.size).to eq 5
          end
        end

        context 'environment test' do
          it 'shows errs for just test' do
            get :show, id: app.id, environment: 'test'
            expect(controller.problems.size).to eq 5
          end
        end
      end
    end

    context 'logged in as a user' do
      it 'finds the app even when not watching it' do
        sign_in Fabricate(:user)
        app = Fabricate(:app)

        get :show, id: app.id
        expect(controller.app).to eq app
      end
    end
  end

  context 'logged in as an admin' do
    before do
      sign_in admin
    end

    describe "GET /apps/new" do
      it 'instantiates a new app with a prebuilt watcher' do
        get :new
        expect(controller.app).to be_a(App)
        expect(controller.app).to be_new_record
        expect(controller.app.watchers).to_not be_empty
      end

      it "should copy attributes from an existing app" do
        @app = Fabricate(:app, name:        "do not copy",
                               github_repo: "test/example")
        get :new, copy_attributes_from: @app.id
        expect(controller.app).to be_a(App)
        expect(controller.app).to be_new_record
        expect(controller.app.name).to be_blank
        expect(controller.app.github_repo).to eq "test/example"
      end
    end

    describe "GET /apps/:id/edit" do
      it 'finds the correct app' do
        app = Fabricate(:app)
        get :edit, id: app.id
        expect(controller.app).to eq app
      end
    end

    describe "POST /apps" do
      before do
        @app = Fabricate(:app)
        allow(App).to receive(:new).and_return(@app)
      end

      context "when the create is successful" do
        before do
          expect(@app).to receive(:save).and_return(true)
        end

        it "should redirect to the app page" do
          post :create, app: {}
          expect(response).to redirect_to(app_path(@app))
        end

        it "should display a message" do
          post :create, app: {}
          expect(request.flash[:success]).to match(/success/)
        end
      end
    end

    describe "PUT /apps/:id" do
      before do
        @app = Fabricate(:app)
      end

      context "when the update is successful" do
        it "should redirect to the app page" do
          put :update, id: @app.id, app: {}
          expect(response).to redirect_to(app_path(@app))
        end

        it "should display a message" do
          put :update, id: @app.id, app: {}
          expect(request.flash[:success]).to match(/success/)
        end
      end

      context "changing name" do
        it "should redirect to app page" do
          id = @app.id
          put :update, id: id, app: { name: "new name" }
          expect(response).to redirect_to(app_path(id))
        end
      end

      context "when the update is unsuccessful" do
        it "should render the edit page" do
          put :update, id: @app.id, app: { name: '' }
          expect(response).to render_template(:edit)
        end
      end

      context "changing email_at_notices" do
        before do
          Errbit::Config.per_app_email_at_notices = true
        end

        it "should parse legal csv values" do
          put :update, id: @app.id, app: { email_at_notices: '1,   4,      7,8,  10' }
          @app.reload
          expect(@app.email_at_notices).to eq [1, 4, 7, 8, 10]
        end
        context "failed parsing of CSV" do
          it "should set the default value" do
            @app = Fabricate(:app, email_at_notices: [1, 2, 3, 4])
            put :update, id: @app.id, app: { email_at_notices: 'asdf, -1,0,foobar,gd00,0,abc' }
            @app.reload
            expect(@app.email_at_notices).to eq Errbit::Config.email_at_notices
          end

          it "should display a message" do
            put :update, id: @app.id, app: { email_at_notices: 'qwertyuiop' }
            expect(request.flash[:error]).to match(/Couldn't parse/)
          end
        end
      end

      context "setting up issue tracker", cur: true do
        context "unknown tracker type" do
          before(:each) do
            put :update, id: @app.id, app: { issue_tracker_attributes: {
              type_tracker: 'unknown', options: { project_id: '1234', api_token: '123123', account: 'myapp' }
            } }
            @app.reload
          end

          it "should not create issue tracker" do
            expect(@app.issue_tracker_configured?).to eq false
          end
        end
      end
    end

    describe "DELETE /apps/:id" do
      before do
        @app = Fabricate(:app)
      end

      it "should find the app" do
        delete :destroy, id: @app.id
        expect(controller.app).to eq @app
      end

      it "should destroy the app" do
        delete :destroy, id: @app.id
        expect do
          @app.reload
        end.to raise_error(Mongoid::Errors::DocumentNotFound)
      end

      it "should display a message" do
        delete :destroy, id: @app.id
        expect(request.flash[:success]).to match(/success/)
      end

      it "should redirect to the apps page" do
        delete :destroy, id: @app.id
        expect(response).to redirect_to(apps_path)
      end
    end
  end

  describe "POST /apps/:id/regenerate_api_key" do
    context "like watcher" do
      before do
        sign_in watcher.user
      end

      it 'redirect to root with flash error' do
        post :regenerate_api_key, id: 'foo'
        expect(request).to redirect_to root_path
      end
    end

    context "like admin" do
      before do
        sign_in admin
      end

      it 'redirect_to app view' do
        expect do
          post :regenerate_api_key, id: app.id
          expect(request).to redirect_to edit_app_path(app)
        end.to change { app.reload.api_key }
      end
    end
  end
end