esctl/cmd/completion.go

/*
Copyright © 2026 Thomas von Dein

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cmd

import (
	"fmt"

	"codeberg.org/scip/esctl/pkg/cfg"
	"codeberg.org/scip/esctl/pkg/es"

	"github.com/urfave/cli/v3"
)

const (
	Cindex = iota
	Cdatastream
	Crole
	Ccluster
	Capi
	Cilm
	Cnode
	Cclustersettings
)

func complete(cmd *cli.Command, what int) {
	if cmd.NArg() > 0 {
		return
	}

	// FIXME: config should load from root.Before(), see https://github.com/urfave/cli/issues/2348
	// workaround: load it directly here
	conf := cfg.NewConfig()
	if err := conf.Init(); err != nil {
		return
	}

	var (
		list []string
		err  error
	)

	switch what {
	case Cindex:
		list, err = es.IndexNames(conf)
	case Crole:
		list, err = es.RoleNames(conf)
	case Ccluster:
		for cluster := range conf.Clusters {
			list = append(list, cluster)
		}
	case Cdatastream:
		list, err = es.DatastreamNames(conf)
	case Capi:
		list = es.ApiPathNames()
	case Cilm:
		list, err = es.IlmNames(conf)
	case Cnode:
		list, err = es.NodeNames(conf)
	case Cclustersettings:
		list, err = es.ClusterSettingsNames(conf)
	}

	if err != nil {
		return
	}

	for _, item := range list {
		fmt.Println(item)
	}
}