feat: add log-level flag

cmd/root.go

@@ -19,11 +19,23 @@ var (
 
 var (
 	rootCmd = &cobra.Command{
-		RunE: func(cmd *cobra.Command, args []string) error {
-			if err := logger.Load(); err != nil {
-				return err
+		PreRunE: func(cmd *cobra.Command, args []string) error {
+			var level slog.Level
+			switch str, _ := cmd.Flags().GetString("log-level"); str {
+			case "debug":
+				level = slog.LevelDebug
+			case "info":
+				level = slog.LevelInfo
+			case "warn":
+				level = slog.LevelWarn
+			case "error":
+				level = slog.LevelError
 			}
 
+			return logger.Load(level)
+		},
+
+		RunE: func(cmd *cobra.Command, args []string) error {
 			token, _ := cmd.Flags().GetString("token")
 			if token == "" {
 				var err error
@@ -63,5 +75,7 @@ var (
 )
 
 func init() {
-	rootCmd.Flags().StringP("token", "t", "", "the authentication token")
+	flags := rootCmd.Flags()
+	flags.StringP("token", "t", "", "the authentication token")
+	flags.StringP("log-level", "l", "info", "log level")
 }

cmd/state.go

@@ -49,7 +49,7 @@ func openState(token string) error {
 func (s *State) onRequest(r httpdriver.Request) error {
 	req, ok := r.(*httpdriver.DefaultRequest)
 	if ok {
-		slog.Info("new HTTP request", "method", req.Method, "path", req.URL.Path)
+		slog.Debug("new HTTP request", "method", req.Method, "url", req.URL, "headers", req.Header)
 	}
 
 	return nil

internal/logger/logger.go

@@ -11,7 +11,7 @@ import (
 const fileName = "logs.txt"
 
 // Opens the log file and configures default logger.
-func Load() error {
+func Load(level slog.Level) error {
 	path, err := os.UserCacheDir()
 	if err != nil {
 		return err
@@ -28,7 +28,7 @@ func Load() error {
 		return err
 	}
 
-	l := slog.New(slog.NewTextHandler(file, &slog.HandlerOptions{AddSource: true}))
+	l := slog.New(slog.NewTextHandler(file, &slog.HandlerOptions{AddSource: true, Level: level}))
 	slog.SetDefault(l)
 	return nil
 }