// NewSampleRepoTest creates a function for a new ginkgo test case that will instantiate a template
// from a url, kick off the buildconfig defined in that template, wait for the build/deploy,
// and then confirm the application is serving an expected string value.
func NewSampleRepoTest(c SampleRepoConfig) func() {
	return func() {
		defer g.GinkgoRecover()
		var oc = exutil.NewCLI(c.repoName+"-repo-test", exutil.KubeConfigPath())

		g.JustBeforeEach(func() {
			g.By("Waiting for builder service account")
			err := exutil.WaitForBuilderAccount(oc.KubeREST().ServiceAccounts(oc.Namespace()))
			o.Expect(err).NotTo(o.HaveOccurred())
		})

		g.Describe("Building "+c.repoName+" app from new-app", func() {
			g.It(fmt.Sprintf("should build a "+c.repoName+" image and run it in a pod"), func() {
				oc.SetOutputDir(exutil.TestContext.OutputDir)

				exutil.CheckOpenShiftNamespaceImageStreams(oc)
				g.By(fmt.Sprintf("calling oc new-app with the " + c.repoName + " example template"))
				err := oc.Run("new-app").Args("-f", c.templateURL).Execute()
				o.Expect(err).NotTo(o.HaveOccurred())

				// all the templates automatically start a build.
				buildName := c.buildConfigName + "-1"

				g.By("expecting the build is in the Complete phase")
				err = exutil.WaitForABuild(oc.REST().Builds(oc.Namespace()), buildName, exutil.CheckBuildSuccessFn, exutil.CheckBuildFailedFn)
				if err != nil {
					exutil.DumpBuildLogs(c.buildConfigName, oc)
				}
				o.Expect(err).NotTo(o.HaveOccurred())

				g.By("expecting the app deployment to be complete")
				err = exutil.WaitForADeploymentToComplete(oc.KubeREST().ReplicationControllers(oc.Namespace()), c.deploymentConfigName, oc)
				o.Expect(err).NotTo(o.HaveOccurred())

				if len(c.dbDeploymentConfigName) > 0 {
					g.By("expecting the db deployment to be complete")
					err = exutil.WaitForADeploymentToComplete(oc.KubeREST().ReplicationControllers(oc.Namespace()), c.dbDeploymentConfigName, oc)
					o.Expect(err).NotTo(o.HaveOccurred())
				}

				g.By("expecting the service is available")
				serviceIP, err := oc.Run("get").Args("service", c.serviceName).Template("{{ .spec.clusterIP }}").Output()
				o.Expect(err).NotTo(o.HaveOccurred())
				o.Expect(serviceIP).ShouldNot(o.Equal(""))

				g.By("expecting an endpoint is available")
				err = oc.KubeFramework().WaitForAnEndpoint(c.serviceName)
				o.Expect(err).NotTo(o.HaveOccurred())

				g.By("verifying string from app request")
				response, err := exutil.FetchURL("http://"+serviceIP+":8080"+c.appPath, time.Duration(30*time.Second))
				o.Expect(err).NotTo(o.HaveOccurred())
				o.Expect(response).Should(o.ContainSubstring(c.expectedString))
			})
		})
	}
}

// CheckPageContains makes a http request for an example application and checks
// that the result contains given string
func CheckPageContains(oc *exutil.CLI, endpoint, path, contents string) (bool, error) {
	address, err := exutil.GetEndpointAddress(oc, endpoint)
	if err != nil {
		return false, err
	}

	response, err := exutil.FetchURL(fmt.Sprintf("http://%s/%s", address, path), 3*time.Minute)
	if err != nil {
		return false, err
	}
	return strings.Contains(response, contents), nil
}