export function parseCookies(request: Request): Record<string, string> {
  const header = request.headers.get("Cookie");
  if (!header) return {};

  const out: Record<string, string> = {};
  for (const part of header.split(";")) {
    const separatorIndex = part.indexOf("=");
    if (separatorIndex === -1) continue;
    const key = part.slice(0, separatorIndex).trim();
    const value = part.slice(separatorIndex + 1).trim();
    if (key) out[key] = decodeURIComponent(value);
  }
  return out;
}

export function setCookieHeader(name: string, value: string, maxAgeSeconds: number): string {
  return `${name}=${encodeURIComponent(value)}; Path=/; HttpOnly; Secure; SameSite=Lax; Max-Age=${maxAgeSeconds}`;
}

export function clearCookieHeader(name: string): string {
  return `${name}=; Path=/; HttpOnly; Secure; SameSite=Lax; Max-Age=0`;
}