// Copyright 2020 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0

package completion

import (
	"os"

	"github.com/spf13/cobra"
)

func NewCommand() *cobra.Command {
	return &cobra.Command{
		Use:                   "completion [bash|zsh|fish|powershell]",
		Short:                 "Generate shell completion script",
		Long:                  "Generate shell completion.",
		DisableFlagsInUseLine: true,
		ValidArgs:             []string{"bash", "zsh", "fish", "powershell"},
		Args:                  cobra.ExactValidArgs(1),
		RunE: func(cmd *cobra.Command, args []string) error {
			switch args[0] {
			case "bash":
				return cmd.Root().GenBashCompletion(os.Stdout)
			case "zsh":
				return cmd.Root().GenZshCompletion(os.Stdout)
			case "fish":
				return cmd.Root().GenFishCompletion(os.Stdout, true)
			case "powershell":
				return cmd.Root().GenPowerShellCompletion(os.Stdout)
			}
			return nil
		},
	}
}