#pragma once

#include <Arduino.h>

#include <cstdint>

namespace timbre {

inline String cookieValue(const String& cookieHeader, const char* name) {
  if (cookieHeader.isEmpty() || name == nullptr) {
    return String();
  }
  const String prefix = String(name) + "=";
  std::size_t start = 0;
  while (start < cookieHeader.length()) {
    std::size_t end = cookieHeader.indexOf(';', start);
    if (end == String::npos) {
      end = cookieHeader.length();
    }
    String item = cookieHeader.substring(start, end);
    item.trim();
    if (item.startsWith(prefix)) {
      String value = item.substring(prefix.length());
      value.trim();
      if (value.length() <= 128) {
        return value;
      }
      return String();
    }
    start = end + 1;
  }
  return String();
}

inline String sessionCookieHeader(const String& token,
                                  std::uint32_t maxAgeSeconds) {
  return String("Set-Cookie: esp_sid=") + token +
         "; Path=/; HttpOnly; SameSite=Strict; Max-Age=" +
         String(maxAgeSeconds);
}

inline String clearSessionCookieHeader() {
  return F("Set-Cookie: esp_sid=; Path=/; HttpOnly; SameSite=Strict; Max-Age=0");
}

}  // namespace timbre