package egressutil

func ProbeFirstSuccess(endpoints []string, probe func(rawURL string) (string, error)) (string, []string) {
	if len(endpoints) == 0 {
		return "", nil
	}
	errs := make([]string, 0, len(endpoints))
	for _, rawURL := range endpoints {
		if probe == nil {
			continue
		}
		val, err := probe(rawURL)
		if err == nil {
			return val, nil
		}
		errs = append(errs, err.Error())
	}
	return "", errs
}