/*
Copyright 2020 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 client

import (
	"context"

	"k8s.io/apimachinery/pkg/runtime"
)

// NewDryRunClient wraps an existing client and enforces DryRun mode
// on all mutating api calls.
func NewDryRunClient(c Client) Client {
	return &dryRunClient{client: c}
}

var _ Client = &dryRunClient{}

// dryRunClient is a Client that wraps another Client in order to enforce DryRun mode.
type dryRunClient struct {
	client Client
}

// Create implements client.Client
func (c *dryRunClient) Create(ctx context.Context, obj runtime.Object, opts ...CreateOption) error {
	return c.client.Create(ctx, obj, append(opts, DryRunAll)...)
}

// Update implements client.Client
func (c *dryRunClient) Update(ctx context.Context, obj runtime.Object, opts ...UpdateOption) error {
	return c.client.Update(ctx, obj, append(opts, DryRunAll)...)
}

// Delete implements client.Client
func (c *dryRunClient) Delete(ctx context.Context, obj runtime.Object, opts ...DeleteOption) error {
	return c.client.Delete(ctx, obj, append(opts, DryRunAll)...)
}

// DeleteAllOf implements client.Client
func (c *dryRunClient) DeleteAllOf(ctx context.Context, obj runtime.Object, opts ...DeleteAllOfOption) error {
	return c.client.DeleteAllOf(ctx, obj, append(opts, DryRunAll)...)
}

// Patch implements client.Client
func (c *dryRunClient) Patch(ctx context.Context, obj runtime.Object, patch Patch, opts ...PatchOption) error {
	return c.client.Patch(ctx, obj, patch, append(opts, DryRunAll)...)
}

// Get implements client.Client
func (c *dryRunClient) Get(ctx context.Context, key ObjectKey, obj runtime.Object) error {
	return c.client.Get(ctx, key, obj)
}

// List implements client.Client
func (c *dryRunClient) List(ctx context.Context, obj runtime.Object, opts ...ListOption) error {
	return c.client.List(ctx, obj, opts...)
}

// Status implements client.StatusClient
func (c *dryRunClient) Status() StatusWriter {
	return &dryRunStatusWriter{client: c.client.Status()}
}

// ensure dryRunStatusWriter implements client.StatusWriter
var _ StatusWriter = &dryRunStatusWriter{}

// dryRunStatusWriter is client.StatusWriter that writes status subresource with dryRun mode
// enforced.
type dryRunStatusWriter struct {
	client StatusWriter
}

// Update implements client.StatusWriter
func (sw *dryRunStatusWriter) Update(ctx context.Context, obj runtime.Object, opts ...UpdateOption) error {
	return sw.client.Update(ctx, obj, append(opts, DryRunAll)...)
}

// Patch implements client.StatusWriter
func (sw *dryRunStatusWriter) Patch(ctx context.Context, obj runtime.Object, patch Patch, opts ...PatchOption) error {
	return sw.client.Patch(ctx, obj, patch, append(opts, DryRunAll)...)
}
