import moment from 'moment';
import { sniff } from './type';

const fileHost = process.env.FILE_HOST || 'http://localhost:4040';

export function formatDate(timestamp) {
  return moment.unix(timestamp).format('D MMM YY [at] h:mm A');
}

export function formatSize(size) {
  if (size >= 1073741824) {
    size = Math.round((size / 1073741824) * 10) / 10 + 'GB';
  } else {
    if (size >= 1048576) {
      size = Math.round((size / 1048576) * 10) / 10 + 'MB';
    } else {
      if (size >= 1024) {
        size = Math.round((size / 1024) * 10) / 10 + 'KB';
      } else {
        size = Math.round(size) + 'B';
      }
    }
  }
  return size;
};

export function formatFile(file) {
  const formattedFile = {
    added: moment.unix(file.time_added).format(),
    readableAdded: formatDate(file.time_added),
    downloads: file.downloads !== undefined ? file.downloads : 0,
    href: fileHost + '/' + file._id, // eslint-disable-line no-underscore-dangle
    id: file._id, // eslint-disable-line no-underscore-dangle
    name: file.file_name,
    size: file.file_size,
    readableSize: formatSize(file.file_size),
    type: sniff(file.file_name),
    trashed: (file.status === 'trashed'),
    status: file.status
  };

  if (file.width) {
    formattedFile.height = file.height;
    formattedFile.width = file.width;
    const ext = (file.file_name.split('.').pop().toLowerCase() === 'psd' ? '.png' : '');
    formattedFile.direct = {
      '150x': fileHost + '/file/150/' + file._id + '/' + file.file_name + ext, // eslint-disable-line no-underscore-dangle
      '970x': fileHost + '/file/970/' + file._id + '/' + file.file_name + ext // eslint-disable-line no-underscore-dangle
    };
  }
  return formattedFile;
}