//
// Copyright (c) 2012-2019 Red Hat, Inc.
// This program and the accompanying materials are made
// available under the terms of the Eclipse Public License 2.0
// which is available at https://www.eclipse.org/legal/epl-2.0/
//
// SPDX-License-Identifier: EPL-2.0
//
// Contributors:
//   Red Hat, Inc. - initial API and implementation
//
package deploy

import (
	orgv1 "github.com/eclipse/che-operator/pkg/apis/org/v1"
	appsv1 "k8s.io/api/apps/v1"
	corev1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/api/resource"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/util/intstr"
)

func NewRegistryDeployment(
		cr *orgv1.CheCluster, 
		registryType string,
		registryImage string,
		registryImagePullPolicy corev1.PullPolicy,
		registryMemoryLimit string,
		registryMemoryRequest string,
		probePath string,
	) *appsv1.Deployment {
	name := registryType + "-registry"
	labels := GetLabels(cr, name)
	_25Percent := intstr.FromString("25%")
	_1 := int32(1)
	_2 := int32(2)
	return &appsv1.Deployment{
		TypeMeta: metav1.TypeMeta{
			Kind:       "Deployment",
			APIVersion: "apps/v1",
		},
		ObjectMeta: metav1.ObjectMeta{
			Name:      name,
			Namespace: cr.Namespace,
			Labels:    labels,
		},
		Spec: appsv1.DeploymentSpec{
			Replicas: &_1,
			RevisionHistoryLimit: &_2,
			Selector: &metav1.LabelSelector{MatchLabels: labels},
			Strategy: appsv1.DeploymentStrategy{
				Type: appsv1.RollingUpdateDeploymentStrategyType,
				RollingUpdate: &appsv1.RollingUpdateDeployment {
					MaxSurge: &_25Percent,
					MaxUnavailable: &_25Percent,
				},
			},
			Template: corev1.PodTemplateSpec{
				ObjectMeta: metav1.ObjectMeta{
					Labels: labels,
				},
				Spec: corev1.PodSpec{
					Containers: []corev1.Container{
						{
							Name:            "che-" + name,
							Image:           registryImage,
							ImagePullPolicy: registryImagePullPolicy,
							Ports: []corev1.ContainerPort{
								{
									Name:          "http",
									ContainerPort: 8080,
									Protocol:      "TCP",
								},
							},
							Resources: corev1.ResourceRequirements{
								Requests: corev1.ResourceList{
									corev1.ResourceMemory: resource.MustParse(registryMemoryRequest),
								},
								Limits: corev1.ResourceList{
									corev1.ResourceMemory: resource.MustParse(registryMemoryLimit),
								},
							},
							ReadinessProbe: &corev1.Probe{
								Handler: corev1.Handler{
									HTTPGet: &corev1.HTTPGetAction{
										Path: "/" + registryType + "s/",
										Port: intstr.IntOrString{
											Type:   intstr.Int,
											IntVal: int32(8080),
										},
										Scheme: corev1.URISchemeHTTP,
									},
								},
								InitialDelaySeconds: 3,
								FailureThreshold:    10,
								TimeoutSeconds:      3,
							},
							LivenessProbe: &corev1.Probe{
								Handler: corev1.Handler{
									HTTPGet: &corev1.HTTPGetAction{
										Path: "/" + registryType + "s/",
										Port: intstr.IntOrString{
											Type:   intstr.Int,
											IntVal: int32(8080),
										},
										Scheme: corev1.URISchemeHTTP,
									},
								},
								InitialDelaySeconds: 30,
								FailureThreshold:    10,
								TimeoutSeconds:      3,
							},
						},
					},
				},
			},
		},
	}
}