package core

import "strings"

// ===== UUID-утилиты =====

func isUUIDLike(value string) bool {
	trimmed := strings.TrimSpace(value)
	if len(trimmed) != 36 {
		return false
	}
	for i, r := range trimmed {
		switch i {
		case 8, 13, 18, 23:
			if r != '-' {
				return false
			}
		default:
			if !isHexDigit(r) {
				return false
			}
		}
	}
	return true
}

func isHexDigit(r rune) bool {
	return (r >= '0' && r <= '9') || (r >= 'a' && r <= 'f') || (r >= 'A' && r <= 'F')
}