/*
Copyright AppsCode Inc. and Contributors

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package v1alpha1

import (
	core "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

const (
	ResourceCodeNeo4jAutoscaler     = "neoscaler"
	ResourceKindNeo4jAutoscaler     = "Neo4jAutoscaler"
	ResourceSingularNeo4jAutoscaler = "neo4jautoscaler"
	ResourcePluralNeo4jAutoscaler   = "neo4jautoscalers"
)

// Neo4jAutoscaler is the configuration for a neo4j database
// autoscaler, which automatically manages pod resources based on historical and
// real time resource utilization.

// +genclient
// +k8s:openapi-gen=true
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// +kubebuilder:object:root=true
// +kubebuilder:resource:path=neo4jautoscalers,singular=neo4jautoscaler,shortName=neoscaler,categories={autoscaler,kubedb,appscode}
// +kubebuilder:subresource:status
type Neo4jAutoscaler struct {
	metav1.TypeMeta `json:",inline"`
	// Standard object metadata. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
	// +optional
	metav1.ObjectMeta `json:"metadata,omitempty"`

	// Specification of the behavior of the autoscaler.
	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status.
	Spec Neo4jAutoscalerSpec `json:"spec"`

	// Current information about the autoscaler.
	// +optional
	Status AutoscalerStatus `json:"status,omitempty"`
}

// Neo4jAutoscalerSpec is the specification of the behavior of the autoscaler.
type Neo4jAutoscalerSpec struct {
	DatabaseRef *core.LocalObjectReference `json:"databaseRef"`

	// This field will be used to control the behaviour of ops-manager
	OpsRequestOptions *OpsRequestOptions `json:"opsRequestOptions,omitempty"`

	Compute *Neo4jComputeAutoscalerSpec `json:"compute,omitempty"`
	Storage *Neo4jStorageAutoscalerSpec `json:"storage,omitempty"`
}

type Neo4jComputeAutoscalerSpec struct {
	// +optional
	NodeTopology *NodeTopology `json:"nodeTopology,omitempty"`

	Neo4j *ComputeAutoscalerSpec `json:"neo4j,omitempty"`
}

type Neo4jStorageAutoscalerSpec struct {
	Neo4j *StorageAutoscalerSpec `json:"neo4j,omitempty"`
}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// Neo4jAutoscalerList is a list of Neo4jAutoscaler objects.
type Neo4jAutoscalerList struct {
	metav1.TypeMeta `json:",inline"`
	// metadata is the standard list metadata.
	// +optional
	metav1.ListMeta `json:"metadata"`

	// items is the list of neo4j database autoscaler objects.
	Items []Neo4jAutoscaler `json:"items"`
}
