// Generic plan code formatter for SIM plans
// Examples:
//  - PASI_10G -> 10G
//  - PASI_25G -> 25G
//  - ANY_PREFIX_50GB -> 50G
//  - Fallback: return the original code when unknown

export function formatPlanShort(planCode?: string): string {
  if (!planCode) return "—";
  const m = planCode.match(/(?:^|[_-])(\d+(?:\.\d+)?)\s*G(?:B)?\b/i);
  if (m && m[1]) {
    return `${m[1]}G`;
  }
  // Try extracting trailing number+G anywhere in the string
  const m2 = planCode.match(/(\d+(?:\.\d+)?)\s*G(?:B)?\b/i);
  if (m2 && m2[1]) {
    return `${m2[1]}G`;
  }
  return planCode;
}