// IPv4 CIDR regex - validates IP address and prefix length (0-32)
export const IPV4_CIDR_REGEX = /^((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\.){3}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])\/(3[0-2]|[12]?[0-9])$/;

// IPv6 CIDR regex - validates IPv6 address and prefix length (0-128)
export const IPV6_CIDR_REGEX =
  /^(([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]+|::(ffff(:0{1,4})?:)?((25[0-5]|(2[0-4]|1?[0-9])?[0-9])\.){3}(25[0-5]|(2[0-4]|1?[0-9])?[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1?[0-9])?[0-9])\.){3}(25[0-5]|(2[0-4]|1?[0-9])?[0-9]))\/(12[0-8]|1[01][0-9]|[1-9]?[0-9])$/;

export function formatBytes(bytes) {
  if (bytes === 0) return '0 Bytes';

  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
  const i = Math.floor(Math.log(bytes) / Math.log(1024));

  return (bytes / Math.pow(1024, i)).toFixed(2) + ' ' + sizes[i];
}

export function formatSpeed(bytes) {
  if (bytes === 0) return '0 Bytes';

  const sizes = ['bps', 'Kbps', 'Mbps', 'Gbps'];
  const i = Math.floor(Math.log(bytes) / Math.log(1024));

  return (bytes / Math.pow(1024, i)).toFixed(2) + ' ' + sizes[i];
}