add index create,delete, enhance index show, catch empty index arg

cmd/index.go

@@ -18,6 +18,7 @@ package cmd
 
 import (
 	"context"
+	"fmt"
 
 	"codeberg.org/scip/esctl/pkg/cfg"
 	"codeberg.org/scip/esctl/pkg/es"
@@ -34,6 +35,8 @@ func Index(conf *cfg.Config) *cli.Command {
 		Commands: []*cli.Command{
 			IndexList(conf),
 			IndexShow(conf),
+			IndexCreate(conf),
+			IndexDelete(conf),
 		},
 	}
 }
@@ -88,5 +91,76 @@ func IndexShow(conf *cfg.Config) *cli.Command {
 
 			return nil
 		},
+
+		// FIXME: doesn't work at all
+		// FIXME: also it would ONLY work if the user uses env vars, -C would not be
+		//        there when the completion output is being generated
+		ShellComplete: func(ctx context.Context, cmd *cli.Command) {
+			if cmd.NArg() > 0 {
+				return
+			}
+
+			indices, err := es.IndexNames(conf)
+			if err != nil {
+				return
+			}
+
+			for _, index := range indices {
+				fmt.Println(index)
+			}
+		},
+	}
+}
+
+func IndexCreate(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "create",
+		Aliases: []string{"+"},
+		Usage:   "create a new index",
+
+		Flags: []cli.Flag{
+			&cli.BoolFlag{
+				Name:        "wait",
+				Usage:       "wait for active shards",
+				Destination: &conf.Wait,
+				Aliases:     []string{"w"},
+			},
+			&cli.IntFlag{
+				Name:        "shards",
+				Usage:       "number of shards to create",
+				Destination: &conf.Shards,
+				Aliases:     []string{"s"},
+			},
+			&cli.IntFlag{
+				Name:        "replicas",
+				Usage:       "number of replicas to create",
+				Destination: &conf.Replicas,
+				Aliases:     []string{"r"},
+			},
+		},
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			if err := es.IndexCreate(conf, cmd.Args().Get(0)); err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+}
+
+func IndexDelete(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:    "delete",
+		Aliases: []string{"rm"},
+		Usage:   "delete an index",
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			if err := es.IndexDelete(conf, cmd.Args().Get(0)); err != nil {
+				return err
+			}
+
+			return nil
+		},
 	}
 }