/*
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 (
	"context"
	"errors"

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

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

func Cluster(conf *cfg.Config) *cli.Command {
	return &cli.Command{
		Name:    "cluster",
		Aliases: []string{"c"},
		Usage:   "manage cluster[s]",

		Commands: []*cli.Command{
			ClusterStatus(conf),
			ClusterSwitch(conf),
			ClusterList(conf),
			ClusterSettings(conf),
		},
	}
}

func ClusterList(conf *cfg.Config) *cli.Command {
	return &cli.Command{
		Name:    "list",
		Usage:   "list configured clusters",
		Aliases: []string{"ls"},

		Action: func(ctx context.Context, cmd *cli.Command) error {
			return es.ClusterList(conf)
		},
	}
}

func ClusterStatus(conf *cfg.Config) *cli.Command {
	return &cli.Command{
		Name:    "status",
		Usage:   "show cluster status",
		Aliases: []string{"s"},

		Flags: []cli.Flag{
			&cli.BoolFlag{
				Name:        "all",
				Usage:       "show status of all clusters",
				Destination: &conf.All,
				Aliases:     []string{"a"},
			},
			&cli.BoolFlag{
				Name:        "verbose",
				Usage:       "include verbose statistics",
				Destination: &conf.Verbose,
				Aliases:     []string{"v"},
			},
		},

		Action: func(ctx context.Context, cmd *cli.Command) error {
			return es.ClusterStatus(conf)
		},
	}
}

func ClusterSwitch(conf *cfg.Config) *cli.Command {
	return &cli.Command{
		Name:      "switch",
		Usage:     "set current elasticsearch cluster",
		UsageText: "switch <cluster-name>",
		Aliases:   []string{"ctx"},

		ShellComplete: func(ctx context.Context, cmd *cli.Command) {
			complete(cmd, Ccluster)
		},

		Action: func(ctx context.Context, cmd *cli.Command) error {
			name := cmd.Args().Get(0)
			if name == "" {
				return errors.New("no cluster name specified")
			}

			return conf.SwitchCluster(name)
		},
	}
}