class Utils {
  static safeString(value) {
    if (value === null || value === undefined || value === "") return "-";
    return String(value);
  }

  static toTitle(value) {
    if (String(value || "").toLowerCase() === "finished") return "Done";
    return String(value || "").replace(/_/g, " ").replace(/\b\w/g, (ch) => ch.toUpperCase());
  }

  static formatObservedAtLocal(value) {
    if (value === null || value === undefined || value === "") return "-";
    const raw = String(value).trim();
    const parsed = new Date(raw);
    if (Number.isNaN(parsed.getTime())) {
      return Utils.safeString(raw).slice(11, 19);
    }
    return parsed.toLocaleTimeString([], {
      hour: "2-digit",
      minute: "2-digit",
      second: "2-digit",
    });
  }
}