// TestPushSecretName exercises one of the complex Build scenarios, where you
// first build a Docker image using Docker build strategy, which will later by
// consumed by Custom build strategy to verify that the 'PushSecretName' (Docker
// credentials) were successfully transported to the builder. The content of the
// Secret file is verified in the end.
func TestPushSecretName(t *testing.T) {
	namespace := testutil.RandomNamespace("secret")
	client, _ := testutil.GetClusterAdminClient(testutil.KubeConfigPath())
	kclient, _ := testutil.GetClusterAdminKubeClient(testutil.KubeConfigPath())

	stream := testutil.CreateSampleImageStream(namespace)
	if stream == nil {
		t.Fatal("Failed to create ImageStream")
	}
	defer testutil.DeleteSampleImageStream(stream, namespace)

	// Create Secret with dockercfg
	secret := testutil.GetSecretFixture("fixtures/test-secret.json")
	// TODO: Why do I need to set namespace here?
	secret.Namespace = namespace
	_, err := kclient.Secrets(namespace).Create(secret)
	if err != nil {
		t.Fatalf("Failed to create Secret: %v", err)
	}

	watcher, err := client.Builds(namespace).Watch(labels.Everything(), fields.Everything(), "0")
	if err != nil {
		t.Fatalf("Failed to create watcher: %v", err)
	}
	defer watcher.Stop()

	// First build the builder image (custom build builder)
	dockerBuild := testutil.GetBuildFixture("fixtures/test-secret-build.json")
	newDockerBuild, err := client.Builds(namespace).Create(dockerBuild)
	if err != nil {
		t.Fatalf("Unable to create Build %s: %v", dockerBuild.Name, err)
	}
	waitForComplete(newDockerBuild, watcher, t)

	// Now build the application image using custom build (run the previous image)
	// Custom build will copy the dockercfg file into the application image.
	customBuild := testutil.GetBuildFixture("fixtures/test-custom-build.json")
	imageName := fmt.Sprintf("%s/%s/%s", os.Getenv("REGISTRY_ADDR"), namespace, stream.Name)
	customBuild.Parameters.Strategy.CustomStrategy.Image = imageName
	newCustomBuild, err := client.Builds(namespace).Create(customBuild)
	if err != nil {
		t.Fatalf("Unable to create Build %s: %v", dockerBuild.Name, err)
	}
	waitForComplete(newCustomBuild, watcher, t)

	// Verify that the dockercfg file is there
	if err := testutil.VerifyImage(stream, "application", namespace, validatePushSecret); err != nil {
		t.Fatalf("Image verification failed: %v", err)
	}
}

// RequireServer verifies if the etcd, docker and the OpenShift server are
// available and you can successfully connected to them.
func RequireServer() {
	util.RequireEtcd()
	util.RequireDocker()
	if _, err := util.GetClusterAdminClient(util.KubeConfigPath()); err != nil {
		os.Exit(1)
	}
}

func StartConfiguredMasterWithOptions(masterConfig *configapi.MasterConfig, testOptions TestOptions) (string, error) {
	if testOptions.DeleteAllEtcdKeys {
		util.DeleteAllEtcdKeys()
	}

	if err := start.NewMaster(masterConfig, true, true).Start(); err != nil {
		return "", err
	}
	adminKubeConfigFile := util.KubeConfigPath()
	clientConfig, err := util.GetClusterAdminClientConfig(adminKubeConfigFile)
	if err != nil {
		return "", err
	}
	masterURL, err := url.Parse(clientConfig.Host)
	if err != nil {
		return "", err
	}

	// wait for the server to come up: 35 seconds
	if err := cmdutil.WaitForSuccessfulDial(true, "tcp", masterURL.Host, 100*time.Millisecond, 1*time.Second, 35); err != nil {
		return "", err
	}

	for {
		// confirm that we can actually query from the api server
		if client, err := util.GetClusterAdminClient(adminKubeConfigFile); err == nil {
			if _, err := client.ClusterPolicies().List(labels.Everything(), fields.Everything()); err == nil {
				break
			}
		}
		time.Sleep(100 * time.Millisecond)
	}

	return adminKubeConfigFile, nil
}

// TestSTIEnvironmentBuild exercises the scenario where you have .sti/environment
// file in your source code repository and you use STI build strategy. In that
// case the STI build should read that file and set all environment variables
// from that file to output image.
func TestSTIEnvironmentBuild(t *testing.T) {
	namespace := testutil.RandomNamespace("stienv")
	fmt.Printf("Using '%s' namespace\n", namespace)

	build := testutil.GetBuildFixture("fixtures/test-env-build.json")
	client, _ := testutil.GetClusterAdminClient(testutil.KubeConfigPath())

	stream := testutil.CreateSampleImageStream(namespace)
	if stream == nil {
		t.Fatal("Failed to create ImageStream")
	}
	defer testutil.DeleteSampleImageStream(stream, namespace)

	// TODO: Tweak the selector to match the build name
	watcher, err := client.Builds(namespace).Watch(labels.Everything(), fields.Everything(), "0")
	if err != nil {
		t.Fatalf("Failed to create watcher: %v", err)
	}
	defer watcher.Stop()

	newBuild, err := client.Builds(namespace).Create(build)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	waitForComplete(newBuild, watcher, t)
	if err := testutil.VerifyImage(stream, "", namespace, validateSTIEnvironment); err != nil {
		t.Fatalf("The build image failed validation: %v", err)
	}
}

// RequireServer verifies if the etcd and the OpenShift server are
// available and you can successfully connect to them.
func RequireServer(t *testing.T) {
	util.RequireEtcd(t)
	if _, err := util.GetClusterAdminClient(util.KubeConfigPath()); err != nil {
		os.Exit(1)
	}
}