export const formatBytes = (bytes, decimals = 2) => {
  if (bytes === 0) return '0 Bytes';

  const k = 1024;
  const dm = decimals < 0 ? 0 : decimals;
  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];

  const i = Math.floor(Math.log(bytes) / Math.log(k));

  return parseFloat((bytes / k ** i).toFixed(dm)) + ' ' + sizes[i];
};

export const fileSizeInMegaBytes = bytes => {
  return bytes / (1024 * 1024);
};

export const checkFileSizeLimit = (file, maximumUploadLimit) => {
  const fileSize = file?.file?.size || file?.size;
  const fileSizeInMB = fileSizeInMegaBytes(fileSize);
  return fileSizeInMB <= maximumUploadLimit;
};

export const fileNameWithEllipsis = (file, maxLength = 26, ellipsis = '…') => {
  const fullName = file?.filename ?? file?.name ?? 'Untitled';

  const dotIndex = fullName.lastIndexOf('.');
  if (dotIndex === -1) return fullName;

  const [name, extension] = [
    fullName.slice(0, dotIndex),
    fullName.slice(dotIndex),
  ];

  if (name.length <= maxLength) return fullName;

  return `${name.slice(0, maxLength)}${ellipsis}${extension}`;
};