#pragma once

#include <string>

namespace radiantwave::validation {

// Returns true if `email` looks like a valid email address (single '@',
// non-empty local and domain parts, no whitespace, domain has at least two
// dot-separated labels).
bool isValidEmail(const std::string& email);

// Reduces `input` to uppercase alphanumeric characters, capped at 16.
// Used for license key entry: the dash separators are re-inserted on display.
std::string sanitizeLicenseKey(const std::string& input);

// Formats a sanitized license key as four dash-separated groups of four
// characters (XXXX-XXXX-XXXX-XXXX). Partial input yields partial output.
std::string formatLicenseKey(const std::string& sanitized);

// The maximum length of a System Name (per the API contract).
constexpr size_t SYSTEM_NAME_MAX_LENGTH = 40;

// Removes leading and trailing ASCII whitespace from `input`.
std::string trim(const std::string& input);

// Returns true when `name` (already trimmed) is a valid System Name: 1-40
// characters. Empty or whitespace-only names are invalid (never a clear).
bool isValidSystemName(const std::string& name);

} // namespace radiantwave::validation