separate the cli from the vbantxt package

add internal LoadConfig test

cmd/vbantxt/main.go

@@ -0,0 +1,97 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"path/filepath"
+	"slices"
+	"time"
+
+	"github.com/onyx-and-iris/vbantxt"
+	log "github.com/sirupsen/logrus"
+)
+
+func exit(err error) {
+	_, _ = fmt.Fprintf(os.Stderr, "Error: %s", err)
+	os.Exit(1)
+}
+
+func main() {
+	var (
+		host       string
+		port       int
+		streamname string
+		loglevel   int
+		configPath string
+		bps        int
+		channel    int
+		ratelimit  int
+	)
+
+	flag.StringVar(&host, "host", "localhost", "vban host")
+	flag.StringVar(&host, "h", "localhost", "vban host (shorthand)")
+	flag.IntVar(&port, "port", 6980, "vban server port")
+	flag.IntVar(&port, "p", 6980, "vban server port (shorthand)")
+	flag.StringVar(&streamname, "streamname", "Command1", "stream name for text requests")
+	flag.StringVar(&streamname, "s", "Command1", "stream name for text requests (shorthand)")
+
+	flag.IntVar(&bps, "bps", 0, "vban bps")
+	flag.IntVar(&bps, "b", 0, "vban bps (shorthand)")
+	flag.IntVar(&channel, "channel", 0, "vban channel")
+	flag.IntVar(&channel, "c", 0, "vban channel (shorthand)")
+	flag.IntVar(&ratelimit, "ratelimit", 20, "request ratelimit in milliseconds")
+	flag.IntVar(&ratelimit, "r", 20, "request ratelimit in milliseconds (shorthand)")
+
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		exit(err)
+	}
+	defaultConfigPath := filepath.Join(homeDir, ".config", "vbantxt", "config.toml")
+	flag.StringVar(&configPath, "config", defaultConfigPath, "config path")
+	flag.StringVar(&configPath, "C", defaultConfigPath, "config path (shorthand)")
+	flag.IntVar(&loglevel, "loglevel", int(log.WarnLevel), "log level")
+	flag.IntVar(&loglevel, "l", int(log.WarnLevel), "log level (shorthand)")
+	flag.Parse()
+
+	if slices.Contains(log.AllLevels, log.Level(loglevel)) {
+		log.SetLevel(log.Level(loglevel))
+	}
+
+	if !flagsPassed([]string{"host", "h", "port", "p", "streamname", "s"}) {
+		config, err := loadConfig(configPath)
+		if err != nil {
+			exit(err)
+		}
+		host = config.Host
+		port = config.Port
+		streamname = config.Streamname
+	}
+
+	client, err := createClient(host, port, streamname, bps, channel, ratelimit)
+	if err != nil {
+		exit(err)
+	}
+	defer client.Close()
+
+	for _, arg := range flag.Args() {
+		err := client.Send(arg)
+		if err != nil {
+			log.Error(err)
+		}
+	}
+}
+
+func createClient(host string, port int, streamname string, bps int, channel, ratelimit int) (*vbantxt.VbanTxt, error) {
+	client, err := vbantxt.New(
+		host,
+		port,
+		streamname,
+		vbantxt.WithBPSOpt(indexOf(vbantxt.BpsOpts, bps)),
+		vbantxt.WithChannel(channel),
+		vbantxt.WithRateLimit(time.Duration(ratelimit)*time.Millisecond))
+	if err != nil {
+		return nil, err
+	}
+	return client, err
+}