feat(describe): prompt user when no function name provided

Author: intojhanurag

cmd/describe.go

@@ -66,7 +66,9 @@ func runDescribe(cmd *cobra.Command, args []string, newClient ClientFactory) (er
 	if err != nil {
 		return
 	}
-	// TODO cfg.Prompt()
+	if err := cfg.Prompt(); err != nil {
+		return err
+	}
 
 	client, done := newClient(ClientConfig{Verbose: cfg.Verbose})
 	defer done()
@@ -133,6 +135,21 @@ func newDescribeConfig(cmd *cobra.Command, args []string) (cfg describeConfig, e
 	return
 }
 
+func (c *describeConfig) Prompt() error {
+	if c.Name == "" && c.Path == "" {
+		fmt.Print("Enter function name to describe: ")
+		_,err:= fmt.Scanln(&c.Name)
+		if err != nil {
+			return fmt.Errorf("error reading input: %w", err)
+		}
+	}
+
+	if c.Namespace == "" {
+		c.Namespace = "default"
+	}
+	return nil
+}
+
 // Output Formatting (serializers)
 // -------------------------------