/*
Copyright 2019 The Kubernetes Authors.

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 simple

import (
	"context"

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/kops/pkg/apis/kops"
	kopsinternalversion "k8s.io/kops/pkg/client/clientset_generated/clientset/typed/kops/internalversion"
	"k8s.io/kops/pkg/kubemanifest"
	"k8s.io/kops/upup/pkg/fi"
	"k8s.io/kops/util/pkg/vfs"
)

type Clientset interface {
	// VFSContext returns a VFSContext.
	VFSContext() *vfs.VFSContext

	// GetCluster reads a cluster by name
	GetCluster(ctx context.Context, name string) (*kops.Cluster, error)

	// CreateCluster creates a cluster
	CreateCluster(ctx context.Context, cluster *kops.Cluster) (*kops.Cluster, error)

	// UpdateCluster updates a cluster
	UpdateCluster(ctx context.Context, cluster *kops.Cluster, status *kops.ClusterStatus) (*kops.Cluster, error)

	// ListClusters returns all clusters
	ListClusters(ctx context.Context, options metav1.ListOptions) (*kops.ClusterList, error)

	// ConfigBaseFor returns the vfs path where we will read configuration information from
	ConfigBaseFor(cluster *kops.Cluster) (vfs.Path, error)

	// InstanceGroupsFor returns the InstanceGroupInterface bound to the namespace for a particular Cluster
	InstanceGroupsFor(cluster *kops.Cluster) kopsinternalversion.InstanceGroupInterface

	// AddonsFor returns the client for addon objects for a particular Cluster
	AddonsFor(cluster *kops.Cluster) AddonsClient

	// SecretStore builds the secret store for the specified cluster
	SecretStore(cluster *kops.Cluster) (fi.SecretStore, error)

	// KeyStore builds the key store for the specified cluster
	KeyStore(cluster *kops.Cluster) (fi.CAStore, error)

	// SSHCredentialStore builds the SSHCredential store for the specified cluster
	SSHCredentialStore(cluster *kops.Cluster) (fi.SSHCredentialStore, error)

	// DeleteCluster deletes all the state for the specified cluster
	DeleteCluster(ctx context.Context, cluster *kops.Cluster) error
}

// AddonsClient is a client for manipulating cluster addons
// Because we want to support storing these directly in a cluster, we don't group them
type AddonsClient interface {
	// Replace replaces all the addon objects with the provided list
	Replace(objects kubemanifest.ObjectList) error

	// List returns all the addon objects
	List(ctx context.Context) (kubemanifest.ObjectList, error)
}