import React from 'react';
import PropTypes from 'prop-types';
import { ButtonGroup } from 'reactstrap';
import IconButton from '../icon-button';
import { gettext, siteRoot } from '../../utils/constants';
import { Utils } from '../../utils/utils';

const propTypes = { 
  isLocked: PropTypes.bool.isRequired,
  lockedByMe: PropTypes.bool.isRequired,
  toggleLockFile: PropTypes.func.isRequired,
  toggleCommentPanel: PropTypes.func.isRequired
};

const { 
  canLockUnlockFile,
  repoID, repoName, parentDir, filePerm, filePath,
  canEditFile, err,
  encoding, // for 'edit', not undefined only for some kinds of files
  canDownloadFile, enableComment
} = window.app.pageOptions;

class FileToolbar extends React.Component {

  render() {
    const { isLocked, lockedByMe } = this.props; 

    let showLockUnlockBtn = false;
    let lockUnlockText, lockUnlockIcon;
    if (canLockUnlockFile) {
      if (!isLocked) {
        showLockUnlockBtn = true;
        lockUnlockText = gettext('Lock');
        lockUnlockIcon = 'fa fa-lock';
      } else if (lockedByMe) {
        showLockUnlockBtn = true;
        lockUnlockText = gettext('Unlock');
        lockUnlockIcon = 'fa fa-unlock';
      }   
    }   
    return (
      <div>
        <ButtonGroup>
          <IconButton
            id="open-parent-folder"
            icon="fa fa-folder-open"
            text={gettext('Open parent folder')}
            tag="a"
            href={`${siteRoot}library/${repoID}/${Utils.encodePath(repoName + parentDir)}`}
          />  
          {showLockUnlockBtn && (
            <IconButton
              id="lock-unlock-file"
              icon={lockUnlockIcon}
              text={lockUnlockText}
              onClick={this.props.toggleLockFile}
            />
          )}
          {filePerm == 'rw' && (
            <IconButton
              id="history"
              icon="fa fa-history"
              text={gettext('History')}
              tag="a"
              href={`${siteRoot}repo/file_revisions/${repoID}/?p=${encodeURIComponent(filePath)}&referer=${encodeURIComponent(location.href)}`}
            />
          )}
          {(canEditFile && !err) && (
            <IconButton
              id="edit"
              icon="fa fa-edit"
              text={gettext('Edit')}
              tag="a"
              href={`${siteRoot}repo/${repoID}/file/edit/?p=${encodeURIComponent(filePath)}&file_enc=${encodeURIComponent(encoding)}`}
            />
          )}
          {canDownloadFile && (
            <IconButton
              id="download-file"
              icon="fa fa-download"
              text={gettext('Download')}
              tag="a"
              href="?dl=1"
            />
          )}
          {enableComment && (
            <IconButton
              id="comment"
              icon="fa fa-comment"
              text={gettext('Comment')}
              onClick={this.props.toggleCommentPanel}
            />
          )}
        </ButtonGroup>
      </div>
    );
  }
}

FileToolbar.propTypes = propTypes;

export default FileToolbar;