package decoder

import (
	"bufio"
	"io"
	"strings"
)

// Text decoder that expects the IP address
// to be on the first line of the response.
// The decoder will only trim trailing and leading whitespace.
func Text(r io.Reader) (string, error) {
	line, err := bufio.NewReader(r).ReadString('\n')
	if err == nil || err == io.EOF {
		line = strings.TrimRight(line, "\r\n")
		line = strings.TrimSpace(line)
	}
	return line, err
}