/* jshint ignore:start */
import React from 'react';
import misago from 'misago';
import escapeHtml from 'misago/utils/escape-html';
import formatFilesize from 'misago/utils/file-size';

const DATE_ABBR = '<abbr title="%(absolute)s">%(relative)s</abbr>';
const USER_SPAN = '<span class="item-title">%(user)s</span>';
const USER_URL = '<a href="%(url)s" class="item-title">%(user)s</a>';

export default function(props) {
  if (props.attachment === null) {
    return (
      <td className="col-md-6">
        &nbsp;
      </td>
    );
  }

  return (
    <td className="col-md-6">
      <AttachmentPreview {...props} />
      <div className="post-attachment">
        <a href={props.attachment.url.index} className="item-title">
          {props.attachment.filename}
        </a>
        <AttachmentDetails {...props} />
      </div>
    </td>
  );
}

export function AttachmentPreview(props) {
  if (props.attachment.is_image) {
    return (
      <div className="post-attachment-preview">
        <AttachmentThumbnail {...props} />
      </div>
    );
  } else {
    return (
      <div className="post-attachment-preview">
        <AttachmentIcon {...props} />
      </div>
    );
  }
}

export function AttachmentIcon(props) {
  return (
    <a href={props.attachment.url.index} className="material-icon">
      insert_drive_file
    </a>
  );
}

export function AttachmentThumbnail(props) {
  const url = props.attachment.url.thumb || props.attachment.url.index;
  return (
    <a
      className="post-thumbnail"
      href={props.attachment.url.index}
      style={{backgroundImage: 'url("' + escapeHtml(url) + '")'}}
    />
  );
}

export function AttachmentDetails(props) {
  let user = null;
  if (props.attachment.url.uploader) {
    user = interpolate(USER_URL, {
      url: escapeHtml(props.attachment.url.uploader),
      user: escapeHtml(props.attachment.uploader_name)
    }, true);
  } else {
    user = interpolate(USER_SPAN, {
      user: escapeHtml(props.attachment.uploader_name)
    }, true);
  }

  const date = interpolate(DATE_ABBR, {
    absolute: escapeHtml(props.attachment.uploaded_on.format('LLL')),
    relative: escapeHtml(props.attachment.uploaded_on.fromNow())
  }, true);

  const message = interpolate(escapeHtml(gettext("%(filetype)s, %(size)s, uploaded by %(uploader)s %(uploaded_on)s.")), {
    filetype: props.attachment.filetype,
    size: formatFilesize(props.attachment.size),
    uploader: user,
    uploaded_on: date
  }, true);

  return (
    <p
      className="post-attachment-description"
      dangerouslySetInnerHTML={{__html: message}}
    />
  );
}