/*
Copyright 2020 The Flux 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 main

import (
	"context"
	"fmt"

	"github.com/manifoldco/promptui"
	"github.com/spf13/cobra"
	"k8s.io/apimachinery/pkg/types"

	"github.com/fluxcd/flux2/internal/utils"
	notificationv1 "github.com/fluxcd/notification-controller/api/v1beta1"
)

var deleteReceiverCmd = &cobra.Command{
	Use:   "receiver [name]",
	Short: "Delete a Receiver resource",
	Long:  "The delete receiver command removes the given Receiver from the cluster.",
	Example: `  # Delete an Receiver and the Kubernetes resources created by it
  flux delete receiver main
`,
	RunE: deleteReceiverCmdRun,
}

func init() {
	deleteCmd.AddCommand(deleteReceiverCmd)
}

func deleteReceiverCmdRun(cmd *cobra.Command, args []string) error {
	if len(args) < 1 {
		return fmt.Errorf("receiver name is required")
	}
	name := args[0]

	ctx, cancel := context.WithTimeout(context.Background(), timeout)
	defer cancel()

	kubeClient, err := utils.KubeClient(kubeconfig, kubecontext)
	if err != nil {
		return err
	}

	namespacedName := types.NamespacedName{
		Namespace: namespace,
		Name:      name,
	}

	var receiver notificationv1.Receiver
	err = kubeClient.Get(ctx, namespacedName, &receiver)
	if err != nil {
		return err
	}

	if !deleteSilent {
		prompt := promptui.Prompt{
			Label:     "Are you sure you want to delete this Receiver",
			IsConfirm: true,
		}
		if _, err := prompt.Run(); err != nil {
			return fmt.Errorf("aborting")
		}
	}

	logger.Actionf("deleting receiver %s in %s namespace", name, namespace)
	err = kubeClient.Delete(ctx, &receiver)
	if err != nil {
		return err
	}
	logger.Successf("receiver deleted")

	return nil
}